TDG Insider Trading

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 3.20%

Insider Buying (Last 12 Months): $3,838,011.56

Insider Selling (Last 12 Months): $462,281,603.46

Transdigm Group Insider Trading History Chart

Transdigm Group Share Price & Price History

^$1,085.80

▲ +9.789 (0.91%)

As of 09/18/2026 03:59 PM ET

Days: 30 | 90 | 365

Transdigm Group Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
9/15/2026	Joel Reiss	COO	Sell	3,900	$1,094.58	$4,268,862.00	3,600
8/18/2026	W. Nicholas Howley	Director	Sell	10,132	$1,236.28	$12,525,988.96	21,548
8/17/2026	Joel Reiss	COO	Sell	3,900	$1,238.76	$4,831,164.00	3,600
7/20/2026	W. Nicholas Howley	Director	Sell	10,132	$1,216.08	$12,321,322.56	21,548
6/18/2026	W. Nicholas Howley	Director	Sell	10,132	$1,319.55	$13,369,680.60	21,548
6/15/2026	Joel Reiss	COO	Sell	3,900	$1,276.78	$4,979,442.00	3,600
5/18/2026	W. Nicholas Howley	Director	Sell	10,132	$1,180.82	$11,964,068.24	21,548
5/15/2026	Joel Reiss	COO	Sell	3,900	$1,154.09	$4,500,951.00	3,600
4/20/2026	W. Nicholas Howley	Director	Sell	10,132	$1,265.06	$12,817,587.92	21,548
4/15/2026	Joel Reiss	COO	Sell	3,900	$1,280.46	$4,993,794.00	3,600
3/18/2026	W. Nicholas Howley	Director	Sell	10,132	$1,213.05	$12,290,622.60	21,548
3/16/2026	Joel Reiss	COO	Sell	3,900	$1,243.70	$4,850,430.00	3,600
2/25/2026	Robert J. Small	Director	Buy	1	$1,285.00	$1,285.00	366,142
2/18/2026	W. Nicholas Howley	Director	Sell	10,168	$1,307.68	$13,296,490.24	21,548
2/6/2026	Michael Lisman	CEO	Buy	950	$1,284.26	$1,220,047.00	3,259
2/2/2026	Kevin M. Stein	Director	Sell	11,075	$1,434.49	$15,886,976.75	8,158
2/2/2026	Kevin M. Stein	Director	Sell	36,925	$1,425.79	$52,647,295.75	19,233
2/2/2026	Patrick Joseph Murphy	COO	Sell	290	$1,430.10	$414,729.00	1,055
1/15/2026	Joel Reiss	COO	Sell	3,900	$1,429.92	$5,576,688.00	3,600
1/14/2026	Kevin M. Stein	Director	Sell	7,627	$1,406.38	$10,726,460.26	8,158
1/8/2026	Kevin M. Stein	Director	Sell	17,373	$1,407.25	$24,448,154.25	8,158
1/5/2026	Kevin M. Stein	Director	Sell	25,000	$1,373.59	$34,339,750.00	8,158
1/2/2026	Patrick Joseph Murphy	COO	Sell	290	$1,329.03	$385,418.70	1,055
12/15/2025	Joel Reiss	COO	Sell	3,900	$1,290.52	$5,033,028.00	3,600
12/10/2025	Robert J. Small	Director	Sell	4,700	$1,290.19	$6,063,893.00	5,625
12/9/2025	Robert J. Small	Director	Sell	90,953	$1,335.72	$121,487,741.16	68,139
12/4/2025	Kevin M. Stein	Director	Sell	17,526	$1,362.29	$23,875,494.54	8,158
12/1/2025	Patrick Joseph Murphy	COO	Sell	290	$1,351.06	$391,807.40	1,055
11/28/2025	Kevin M. Stein	Director	Sell	4,592	$1,360.73	$6,248,472.16	8,158
11/26/2025	Kevin M. Stein	Director	Sell	30	$1,360.06	$40,801.80	8,158
11/25/2025	Kevin M. Stein	Director	Sell	4,187	$1,360.58	$5,696,748.46	8,158
11/18/2025	Kevin M. Stein	Director	Sell	7,191	$1,361.57	$9,791,049.87	8,158
11/17/2025	Joel Reiss	COO	Sell	3,900	$1,340.00	$5,226,000.00	3,600
11/17/2025	W. Nicholas Howley	Director	Sell	2,736	$1,334.92	$3,652,341.12	21,548
11/14/2025	Michael Lisman	CEO	Buy	1,954	$1,339.14	$2,616,679.56	1,954
11/3/2025	Patrick Joseph Murphy	COO	Sell	290	$1,310.00	$379,900.00	1,055
10/27/2025	Kevin M. Stein	Director	Sell	700	$1,360.00	$952,000.00	8,158
10/27/2025	Patrick Joseph Murphy	COO	Sell	580	$1,354.76	$785,760.80	1,055
10/20/2025	Joel Reiss	COO	Sell	3,000	$1,279.59	$3,838,770.00	3,600
10/15/2025	W. Nicholas Howley	Director	Sell	2,736	$1,298.87	$3,553,708.32	21,548
9/22/2025	Joel Reiss	COO	Sell	3,000	$1,276.07	$3,828,210.00	3,600
9/15/2025	W. Nicholas Howley	Director	Sell	2,736	$1,282.47	$3,508,837.92	21,548
9/12/2025	Robert J. Small	Director	Sell	5,000	$1,276.98	$6,384,900.00	83,419
8/26/2025	Michael Graff	Director	Sell	1,760	$1,402.10	$2,467,696.00	1,964
8/20/2025	Joel Reiss	COO	Sell	3,000	$1,406.07	$4,218,210.00	3,600
7/21/2025	Joel Reiss	COO	Sell	3,000	$1,597.86	$4,793,580.00	3,600
7/15/2025	W. Nicholas Howley	Director	Sell	2,736	$1,569.86	$4,295,136.96	21,548
6/20/2025	Joel Reiss	COO	Sell	3,000	$1,424.27	$4,272,810.00	3,600
6/16/2025	W. Nicholas Howley	Director	Sell	2,736	$1,444.08	$3,951,002.88	21,548
6/13/2025	Sarah Wynne	CFO	Sell	1,800	$1,450.00	$2,610,000.00	3,400
6/12/2025	Sarah Wynne	CFO	Sell	3,200	$1,452.15	$4,646,880.00	3,400
6/10/2025	Robert J. Small	Director	Sell	45,700	$1,425.01	$65,122,957.00	88,419
5/20/2025	Joel Reiss	COO	Sell	3,000	$1,434.35	$4,303,050.00	3,600
5/20/2025	Sean P. Hennessy	Director	Sell	4,700	$1,436.52	$6,751,644.00	33,713
5/5/2025	W. Nicholas Howley	Director	Sell	49,241	$1,475.85	$72,672,329.85	21,548
4/21/2025	Joel Reiss	COO	Sell	3,300	$1,321.80	$4,361,940.00	3,600
4/15/2025	W. Nicholas Howley	Director	Sell	5,472	$1,346.30	$7,366,953.60	21,548
4/14/2025	Kevin M. Stein	CEO	Sell	20,000	$1,329.61	$26,592,200.00	8,158
3/20/2025	Joel Reiss	COO	Sell	3,000	$1,360.04	$4,080,120.00	3,600
3/13/2025	Robert J. Small	Director	Sell	1,000	$1,335.22	$1,335,220.00	95,147
3/10/2025	Robert J. Small	Director	Sell	20,000	$1,340.20	$26,804,000.00	95,356
3/6/2025	Robert J. Small	Director	Sell	40,000	$1,345.81	$53,832,400.00	98,185
2/20/2025	Joel Reiss	COO	Sell	3,000	$1,323.02	$3,969,060.00	3,600
2/18/2025	W. Nicholas Howley	Director	Sell	5,472	$1,315.93	$7,200,768.96	21,548
2/14/2025	Robert J. Small	Director	Sell	3,650	$1,322.19	$4,825,993.50	15,539
2/12/2025	Kevin M. Stein	CEO	Sell	20,000	$1,354.08	$27,081,600.00	8,158
1/21/2025	Joel Reiss	COO	Sell	3,000	$1,359.06	$4,077,180.00	3,600
1/15/2025	W. Nicholas Howley	Director	Sell	5,472	$1,296.77	$7,095,925.44	21,548
1/13/2025	Kevin M. Stein	CEO	Sell	20,000	$1,267.21	$25,344,200.00	8,158
12/20/2024	Joel Reiss	COO	Sell	3,000	$1,257.09	$3,771,270.00	3,600
12/12/2024	Kevin M. Stein	CEO	Sell	20,000	$1,248.07	$24,961,400.00	8,158
12/12/2024	Robert J. Small	Director	Sell	38,053	$1,248.78	$47,519,825.34	567,323
10/15/2024	Joel Reiss	COO	Sell	3,000	$1,401.75	$4,205,250.00	3,600
10/15/2024	W. Nicholas Howley	Director	Sell	5,472	$1,402.85	$7,676,395.20	21,548
9/16/2024	Joel Reiss	COO	Sell	3,000	$1,375.89	$4,127,670.00	3,600
9/16/2024	W. Nicholas Howley	Director	Sell	5,472	$1,376.42	$7,531,770.24	21,548
8/12/2024	Kevin M. Stein	CEO	Sell	10,000	$1,228.24	$12,282,400.00	8,158
7/15/2024	Joel Reiss	COO	Sell	3,000	$1,241.60	$3,724,800.00	3,600
7/15/2024	W. Nicholas Howley	Director	Sell	5,073	$1,242.30	$6,302,187.90	21,548
7/12/2024	Kevin M. Stein	CEO	Sell	10,000	$1,248.60	$12,486,000.00	8,158
6/12/2024	Kevin M. Stein	CEO	Sell	10,000	$1,308.52	$13,085,200.00	8,158
6/12/2024	Robert J. Small	Director	Sell	21,210	$1,315.87	$27,909,602.70	100,962
6/10/2024	Robert J. Small	Director	Sell	12,500	$1,312.09	$16,401,125.00	108,712
6/7/2024	Robert J. Small	Director	Sell	30,000	$1,323.86	$39,715,800.00	112,381
6/6/2024	Jessica L. Warren	Insider	Sell	925	$1,339.34	$1,238,889.50	50
5/15/2024	Joel Reiss	COO	Sell	3,000	$1,282.78	$3,848,340.00	3,600
5/13/2024	Kevin M. Stein	CEO	Sell	10,000	$1,292.89	$12,928,900.00	8,158
5/9/2024	W. Nicholas Howley	Director	Sell	197	$1,318.14	$259,673.58
5/4/2024	Michele Santana	Director	Buy	1	$328.53	$328.53	647
4/15/2024	Joel Reiss	COO	Sell	3,000	$1,233.10	$3,699,300.00	3,600
4/14/2024	Michele Santana	Director	Sell	1	$751.94	$751.94	661
4/12/2024	Kevin M. Stein	CEO	Sell	10,000	$1,216.16	$12,161,600.00	8,158
4/4/2024	Michele Santana	Director	Buy	1	$668.88	$668.88	652
3/24/2024	Michele Santana	Director	Buy	1	$692.90	$692.90	662
3/15/2024	Joel Reiss	COO	Sell	3,000	$1,172.26	$3,516,780.00	3,600
3/8/2024	Jorge Valladares	Director	Sell	578	$1,180.00	$682,040.00	11,000
2/28/2024	Michele Santana	Director	Buy	8	$532.47	$4,259.76	646
2/26/2024	Jorge Valladares	Director	Sell	2,427	$1,191.99	$2,892,959.73	11,000
2/26/2024	Michael Lisman	COO	Sell	8,000	$1,195.01	$9,560,080.00
2/23/2024	Michael Lisman	COO	Sell	8,000	$1,198.50	$9,588,000.00
2/21/2024	Sarah Wynne	CFO	Sell	5,850	$1,159.00	$6,780,150.00	700
2/21/2024	W. Nicholas Howley	Director	Sell	9,381	$1,165.00	$10,928,865.00	21,548
2/16/2024	W. Nicholas Howley	Director	Sell	2,391	$1,160.55	$2,774,875.05	21,549
2/15/2024	Joel Reiss	COO	Sell	3,000	$1,140.48	$3,421,440.00	3,600
2/13/2024	Michael Graff	Director	Sell	3,460	$1,108.17	$3,834,268.20	4,879
1/24/2024	Michele Santana	Director	Buy	10	$684.64	$6,846.40	662
1/22/2024	Sean P. Hennessy	Director	Buy	0	$1,065.40	$0.00	33,976
1/16/2024	Joel Reiss	COO	Sell	3,000	$1,022.29	$3,066,870.00	3,600
1/16/2024	W. Nicholas Howley	Director	Sell	3,530	$1,022.27	$3,608,613.10	21,548
1/10/2024	W. Nicholas Howley	Director	Sell	38,863	$1,015.05	$39,447,888.15	21,548
12/15/2023	Joel Reiss	COO	Sell	3,000	$994.84	$2,984,520.00	3,600
12/15/2023	W. Nicholas Howley	Director	Sell	6,296	$987.07	$6,214,592.72	21,548
12/12/2023	Michael Lisman	COO	Sell	12,000	$997.51	$11,970,120.00	2,309
12/12/2023	Robert J. Small	Director	Sell	18,522	$997.89	$18,482,918.58	158,858
11/22/2023	Sean P. Hennessy	Director	Sell	3,650	$971.15	$3,544,697.50	33,935
11/20/2023	Robert J. Small	Director	Sell	39,558	$965.20	$38,181,381.60	179,615
11/16/2023	Robert J. Small	Director	Sell	20,000	$988.76	$19,775,200.00	187,870
11/15/2023	Joel Reiss	COO	Sell	3,000	$994.84	$2,984,520.00	3,600
11/14/2023	Jorge Valladares	Director	Sell	3,141	$1,001.73	$3,146,433.93	11,000
10/16/2023	Joel Reiss	COO	Sell	3,000	$862.38	$2,587,140.00	3,600

SEC Filings (Institutional Ownership Changes) for Transdigm Group (NYSE:TDG)

95.78% of Transdigm Group stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Transdigm Group Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
9/9/2026	The Manufacturers Life Insurance Company	392,447	$522.75M	0.3%	+106.4%	0.702%
9/9/2026	Sequoia Financial Advisors LLC	6,803	$9.06M	0.0%	+3.1%	0.012%
9/9/2026	National Pension Service	135,233	$180.14M	0.1%	+3.8%	0.242%
9/9/2026	WINTON GROUP Ltd	9,180	$12.23M	0.4%	+28.1%	0.016%
9/9/2026	Engineers Gate Manager LP	198	$0.26M	0.0%	-95.8%	0.000%
9/9/2026	Cidel Asset Management Inc.	156	$0.21M	0.0%	N/A	0.000%
9/9/2026	Integrated Wealth Concepts LLC	603	$0.80M	0.0%	+11.5%	0.001%
9/9/2026	RFG Advisory LLC	175	$0.23M	0.0%	N/A	0.000%
9/9/2026	NewEdge Advisors LLC	2,887	$3.85M	0.0%	-12.4%	0.005%
9/9/2026	IFP Advisors Inc	1,781	$2.37M	0.0%	+2.5%	0.003%
9/9/2026	Baird Financial Group Inc.	5,391	$7.18M	0.0%	-2.5%	0.010%
9/8/2026	Veritas Asset Management LLP	137,969	$183.78M	3.4%	+3.0%	0.247%
9/8/2026	Allworth Financial LP	419	$0.56M	0.0%	-12.0%	0.001%
9/8/2026	Vulcan Value Partners LLC	170,429	$227.02M	6.9%	-7.5%	0.305%
9/8/2026	Arizona State Retirement System	15,670	$20.87M	0.1%	+1.5%	0.028%
9/8/2026	Waverly Advisors LLC	664	$0.88M	0.0%	+2.6%	0.001%
9/8/2026	Empirical Finance LLC	1,894	$2.52M	0.1%	+3.8%	0.003%
9/8/2026	Nykredit A S	14,424	$19.21M	0.1%	N/A	0.026%
8/27/2026	Corient Private Wealth LP	64,302	$85.65M	0.1%	-5.7%	0.115%
8/26/2026	Amundi	102,747	$136.86M	0.0%	+8.6%	0.184%
8/26/2026	HighTower Advisors LLC	4,867	$6.48M	0.0%	-73.2%	0.009%
8/23/2026	Crow s Nest Holdings LP	13,200	$17.58M	5.3%	-44.2%	0.024%
8/23/2026	Wedmont Private Capital	871	$1.13M	0.0%	+2.7%	0.002%
8/23/2026	HB Wealth Management LLC	4,956	$6.60M	0.0%	-9.9%	0.009%
8/22/2026	Strive Financial Group LLC	105	$0.14M	0.1%	N/A	0.000%
8/22/2026	NWF Advisory Services Inc.	443	$0.59M	0.1%	-6.3%	0.001%
8/22/2026	Syon Capital LLC	378	$0.50M	0.0%	-31.1%	0.001%
8/22/2026	denkapparat Operations GmbH	920	$1.23M	0.4%	N/A	0.002%
8/22/2026	TD Waterhouse Canada Inc.	872	$1.14M	0.0%	+9.1%	0.002%
8/22/2026	Concurrent Investment Advisors LLC	997	$1.33M	0.0%	-50.9%	0.002%
8/22/2026	NEOS Investment Management LLC	8,802	$11.73M	0.0%	+7.3%	0.016%
8/21/2026	Continuum Advisory LLC	54	$72K	0.0%	N/A	0.000%
8/21/2026	Nykredit A S	14,424	$19.21M	0.1%	N/A	0.026%
8/21/2026	B. Metzler seel. Sohn & Co. AG	1,776	$2.37M	0.0%	-11.0%	0.003%
8/21/2026	PYA Waltman Capital LLC	11,996	$15.98M	3.9%	-8.8%	0.021%
8/21/2026	Blacksheep Fund Management Ltd	1,332	$1.77M	76.8%	-97.1%	0.002%
8/21/2026	Independence Bank of Kentucky	180	$0.24M	0.0%	N/A	0.000%
8/21/2026	Legacy Financial Advisors Inc.	164	$0.22M	0.0%	N/A	0.000%
8/20/2026	Proficio Capital Partners LLC	532	$0.71M	0.0%	+195.6%	0.001%
8/20/2026	Cat Rock Capital Management LP	63,339	$84.37M	19.6%	+37.4%	0.113%
8/20/2026	Oarsman Capital Inc.	212	$0.28M	0.0%	-10.2%	0.000%
8/20/2026	Ancora Advisors LLC	5,845	$7.79M	0.2%	-6.7%	0.010%
8/20/2026	Susquehanna Fundamental Investments LLC	50,812	$67.68M	1.3%	+15.9%	0.091%
8/20/2026	Sigma Planning Corp	212	$0.28M	0.0%	-4.9%	0.000%
8/20/2026	Benjamin Edwards Inc.	819	$1.09M	0.0%	-20.8%	0.001%
8/20/2026	Cookson Peirce & Co. Inc.	1,865	$2.48M	0.1%	+383.2%	0.003%
8/20/2026	Northwestern Mutual Wealth Management Co.	1,911	$2.55M	0.0%	+31.4%	0.003%
8/20/2026	Rational Advisors Inc.	790	$1.05M	0.1%	+4,547.1%	0.001%
8/20/2026	Thornburg Investment Management Inc.	2,425	$3.23M	0.0%	-91.8%	0.004%
8/20/2026	Greenleaf Trust	1,647	$2.19M	0.0%	+6.3%	0.003%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	354,105	$471.68M	0.1%	-1.5%	0.633%
8/19/2026	New Mexico Educational Retirement Board	2,800	$3.73M	0.1%	+7.7%	0.005%
8/19/2026	Royal London Asset Management Ltd.	27,784	$37.01M	0.1%	+0.9%	0.050%
8/19/2026	Mufg Securities Americas Inc.	1,685	$2.24M	0.1%	+7.9%	0.003%
8/19/2026	Nissay Asset Management Corp Japan	22,143	$29.50M	0.1%	+6.4%	0.040%
8/19/2026	BNP Paribas	2,275	$3.01M	0.1%	+29.9%	0.004%
8/19/2026	Wellington Management Group LLP	1,518	$2.02M	0.0%	+6.4%	0.003%
8/19/2026	Kingsview Wealth Management LLC	3,695	$4.92M	0.1%	-5.4%	0.007%
8/18/2026	Beacon Pointe Advisors LLC	1,213	$1.62M	0.0%	+5.7%	0.002%
8/18/2026	Fulcrum Asset Management LLP	1,098	$1.45M	0.1%	N/A	0.002%
8/18/2026	Glenview Trust Co	1,610	$1.87M	0.0%	N/A	0.003%
8/18/2026	Glenview Trust Co	1,981	$2.64M	0.0%	+23.0%	0.004%
8/18/2026	Empowered Funds LLC	7,516	$10.01M	0.1%	+31.5%	0.013%
8/18/2026	United Capital Financial Advisors LLC	1,668	$2.22M	0.0%	-1.9%	0.003%
8/18/2026	Equitable Holdings Inc.	438	$0.58M	0.0%	-10.2%	0.001%
8/18/2026	Centaurus Financial Inc.	1,648	$2.20M	0.1%	+6.4%	0.003%
8/18/2026	Jefferies Financial Group Inc.	2,856	$3.81M	0.0%	+330.8%	0.005%
8/18/2026	Public Employees Retirement System of Ohio	20,844	$27.77M	0.1%	-5.1%	0.037%
8/18/2026	MASTERINVEST Kapitalanlage GmbH	745	$0.99M	0.1%	-4.2%	0.001%
8/17/2026	Altarock Partners LP	875,755	$1.17B	27.5%	-3.7%	1.566%
8/17/2026	Strive Financial Group LLC	105	$0.14M	0.0%	N/A	0.000%
8/17/2026	Proficio Capital Partners LLC	532	$0.71M	0.0%	+195.6%	0.001%
8/17/2026	Pure Financial Advisors LLC	239	$0.32M	0.0%	+13.8%	0.000%
8/17/2026	Transamerica Financial Advisors LLC	37	$49K	0.0%	+825.0%	0.000%
8/17/2026	Corient Private Wealth LP	64,860	$86.40M	0.1%	-4.9%	0.116%
8/17/2026	Corient Private Wealth LP	65,369	$87.08M	0.1%	N/A	0.117%
8/17/2026	Parkwood LLC	8,148	$10.85M	0.8%	-7.9%	0.015%
8/17/2026	Perennial Investment Advisors LLC	156	$0.21M	0.0%	N/A	0.000%
8/17/2026	Atalan Capital Partners LP	87,530	$116.59M	7.2%	+3.6%	0.156%
8/17/2026	Bamco Inc. NY	78,501	$104.57M	0.2%	-0.2%	0.140%
8/17/2026	Bank of America Corp DE	286,324	$381.40M	0.0%	-3.3%	0.512%
8/15/2026	Praesidium Investment Management Company LLC	8,081	$10.76M	0.0%	N/A	0.014%
8/15/2026	Advent International L.P.	1,025	$1.37M	0.0%	N/A	0.002%
8/15/2026	Man Group plc	15,303	$20.38M	0.0%	N/A	0.027%
8/15/2026	Invst LLC	189	$0.25M	0.0%	N/A	0.000%
8/15/2026	Jupiter Topco LLC	7,607	$10.13M	0.0%	N/A	0.014%
8/15/2026	Linonia Partnership LP	11,022	$14.68M	0.3%	N/A	0.020%
8/14/2026	Hsbc Holdings PLC	91,325	$121.40M	0.1%	+10.0%	0.163%
8/14/2026	Ancora Advisors LLC	5,845	$7.79M	0.1%	N/A	0.010%
8/14/2026	Primecap Management Co. CA	410,217	$546.43M	0.3%	N/A	0.733%
8/14/2026	Palisade Capital Management LP	1,700	$2.26M	0.1%	N/A	0.003%
8/14/2026	Canada Pension Plan Investment Board	158,357	$210.94M	0.1%	N/A	0.283%
8/14/2026	Castleark Management LLC	770	$1.03M	0.0%	N/A	0.001%
8/14/2026	Nicholas Investment Partners LP	5,633	$7.50M	0.4%	N/A	0.010%
8/14/2026	Legal & General Group Plc	267,276	$356.02M	0.1%	N/A	0.478%
8/14/2026	The Manufacturers Life Insurance Company	392,447	$522.75M	0.4%	N/A	0.702%
8/14/2026	Palliser Capital UK Ltd	750	$1M	0.5%	N/A	0.001%
8/14/2026	Stockbridge Partners LLC	434,281	$578.48M	12.2%	N/A	0.776%
8/14/2026	Broad Run Investment Management LLC	10,801	$14.39M	2.2%	N/A	0.019%
8/14/2026	Goodnow Investment Group LLC	20,482	$27.28M	2.8%	N/A	0.037%

Data available starting January 2016

TransDigm Group Incorporated designs, produces, and supplies aircraft components in the United States and internationally. The Power & Control segment offers mechanical/electro-mechanical actuators and controls, ignition systems and engine technology, specialized pumps and valves, power conditioning devices, specialized AC/DC electric motors and generators, batteries and chargers, databus and power controls, sensor products, switches and relay panels, hoists, winches and lifting devices, and cargo loading and handling systems. This segment serves engine and power system and subsystem suppliers, airlines, third party maintenance suppliers, military buying agencies, and repair depots. The Airframe segment provides engineered latching and locking devices, engineered rods, engineered connectors and elastomer sealing solutions, cockpit security components and systems, cockpit displays, engineered audio, radio and antenna systems, lavatory components, seat belts and safety restraints, engineered and customized interior surfaces and related components, thermal protection and insulation products, lighting and control technology, and parachutes. This segment serves airframe manufacturers, cabin system and subsystem suppliers, airlines, third party maintenance suppliers, military buying agencies, and repair depots. The Non-aviation segment offers seat belts and safety restraints for ground transportation applications; electro-mechanical actuators for space applications; hydraulic/electromechanical actuators and fuel valves for land-based gas turbines; refueling systems for heavy equipment used in mining, construction, and other industries; and turbine controls for the energy and oil and gas markets. This segment serves off-road vehicle and subsystem suppliers, child restraint system suppliers, and satellite and space system suppliers; and manufacturers of heavy equipment. TransDigm Group Incorporated was founded in 1993 and is based in Cleveland, Ohio.

Today's Range

Now: $1,085.80

$1,076.54

$1,090.86

50 Day Range

MA: $1,204.88

$1,076.27

$1,310.33

52 Week Range

Now: $1,085.80

$1,071.25

$1,463.03

Volume

337,159 shs

Average Volume

394,446 shs

Market Capitalization

$60.73 billion

P/E Ratio

32.94

Dividend Yield

N/A

Beta

0.91

Who are the company insiders with the largest holdings of Transdigm Group?: Transdigm Group's top insider investors include:
Robert J Small (Director)
W Nicholas Howley (CEO)
Raymond F Laubenthal (Director)
Bernt G Iversen II (EVP)
Robert S Henderson (VP)
Kevin M Stein (CEO)
Robert Small (Director)
Sean P Hennessy (Director)
Gregory Rufus (VP)
John F Leary (EVP)
Learn More about top insider investors at Transdigm Group.
Who are the major institutional investors of Transdigm Group?: Transdigm Group's top institutional investors include:
BlackRock Inc. — 8.71%
Altarock Partners LP — 1.57%
Stockbridge Partners LLC — 0.78%
Primecap Management Co. CA — 0.73%
The Manufacturers Life Insurance Company — 0.70%
The Manufacturers Life Insurance Company — 0.70%
Learn More about top institutional investors of Transdigm Group stock.
Which major investors are selling Transdigm Group stock?: In the previous quarter, TDG stock was sold by these institutional investors:
Blacksheep Fund Management Ltd
Altarock Partners LP
Thornburg Investment Management Inc.
Vulcan Value Partners LLC
HighTower Advisors LLC
Crow s Nest Holdings LP
Bank of America Corp DE
Eastern Bank
In the previous year, company insiders that have sold Transdigm Group company stock include:
Robert J Small (Director)
W Nicholas Howley (Director)
Kevin M Stein (Director)
Joel Reiss (COO)
Patrick Joseph Murphy (COO)
Learn More investors selling Transdigm Group stock.
Which major investors are buying Transdigm Group stock?: Within the last quarter, TDG stock was bought by institutional investors including:
BlackRock Inc.
Stockbridge Partners LLC
Primecap Management Co. CA
The Manufacturers Life Insurance Company
Bank of New York Mellon Corp
Legal & General Group Plc
The Manufacturers Life Insurance Company
Deutsche Bank AG
Within the previous year, these company insiders have bought Transdigm Group stock:
Robert J Small (Director)
Michael Lisman (CEO)
Learn More investors buying Transdigm Group stock.