HALO Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 2.50%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $28,427,098.53

Halozyme Therapeutics Insider Trading History Chart

Halozyme Therapeutics Share Price & Price History

^$112.64

▲ +2.958 (2.70%)

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

Days: 30 | 90 | 365

Halozyme Therapeutics Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
9/16/2026	Matthew L. Posard	Director	Sell	18,996	$107.74	$2,046,629.04	58,839
9/11/2026	Helen Torley	CEO	Sell	20,000	$107.24	$2,144,800.00	767,780
9/9/2026	Helen Torley	CEO	Sell	20,000	$107.43	$2,148,600.00	767,780
8/18/2026	Helen Torley	CEO	Sell	20,000	$104.18	$2,083,600.00	767,780
8/10/2026	Bernadette Connaughton	Director	Sell	1,626	$102.80	$167,152.80	40,418
7/8/2026	Helen Torley	CEO	Sell	1,923	$79.77	$153,397.71	767,780
7/1/2026	Bernadette Connaughton	Director	Sell	1,625	$76.71	$124,653.75	42,044
6/29/2026	Mahesh Krishnan	Director	Sell	7,304	$75.00	$547,800.00	14,462
6/3/2026	Helen Torley	CEO	Sell	10,000	$69.07	$690,700.00	767,780
6/1/2026	Bernadette Connaughton	Director	Sell	1,625	$66.21	$107,591.25	43,669
6/1/2026	Helen Torley	CEO	Sell	20,000	$67.58	$1,351,600.00	767,780
5/13/2026	Helen Torley	CEO	Sell	10,000	$69.19	$691,900.00	767,780
5/12/2026	Helen Torley	CEO	Sell	20,000	$71.75	$1,435,000.00	767,780
5/1/2026	Bernadette Connaughton	Director	Sell	1,625	$63.48	$103,155.00	38,498
4/6/2026	Helen Torley	CEO	Sell	10,000	$63.50	$635,000.00	767,780
4/2/2026	Helen Torley	CEO	Sell	20,000	$64.24	$1,284,800.00	767,780
3/10/2026	Cortney Caudill	COO	Sell	8,857	$67.64	$599,087.48	7,055
3/9/2026	Cortney Caudill	COO	Sell	20,000	$67.80	$1,356,000.00	14,366
3/4/2026	Helen Torley	CEO	Sell	10,000	$70.21	$702,100.00	767,780
3/2/2026	Helen Torley	CEO	Sell	20,000	$69.69	$1,393,800.00	767,780
2/5/2026	Helen Torley	CEO	Sell	10,000	$78.64	$786,400.00	708,719
2/3/2026	Helen Torley	CEO	Sell	20,000	$76.12	$1,522,400.00	708,719
1/5/2026	Bernadette Connaughton	Director	Sell	2,000	$70.25	$140,500.00	40,123
12/1/2025	Bernadette Connaughton	Director	Sell	829	$71.60	$59,356.40	42,123
12/1/2025	Helen Torley	CEO	Sell	16,569	$68.92	$1,141,935.48	708,719
11/11/2025	Helen Torley	CEO	Sell	20,000	$69.13	$1,382,600.00	733,719
11/10/2025	Bernadette Connaughton	Director	Sell	2,000	$68.48	$136,960.00	42,952
11/1/2025	Cortney Caudill	COO	Sell	4,263	$65.19	$277,904.97	12,737
10/3/2025	Helen Torley	CEO	Sell	20,000	$69.03	$1,380,600.00	733,719
10/1/2025	Bernadette Connaughton	Director	Sell	2,000	$75.24	$150,480.00	44,952
10/1/2025	Helen Torley	CEO	Sell	20,000	$75.35	$1,507,000.00	733,719
9/22/2025	Nicole Labrosse	CFO	Sell	2,227	$77.95	$173,594.65	22,079
9/10/2025	Nicole Labrosse	CFO	Sell	20,000	$75.71	$1,514,200.00	24,306
9/3/2025	Helen Torley	CEO	Sell	20,000	$74.44	$1,488,800.00	733,719
9/2/2025	Bernadette Connaughton	Director	Sell	4,000	$73.68	$294,720.00	46,952
8/12/2025	Helen Torley	CEO	Sell	20,000	$63.51	$1,270,200.00	733,719
7/9/2025	Helen Torley	CEO	Sell	20,000	$56.43	$1,128,600.00	733,719
6/24/2025	Helen Torley	CEO	Sell	20,000	$53.73	$1,074,600.00	733,719
6/20/2025	Helen Torley	CEO	Sell	20,000	$52.96	$1,059,200.00	733,719
4/28/2025	Jeffrey William Henderson	Director	Sell	4,497	$60.37	$271,483.89	28,611
4/1/2025	Jeffrey William Henderson	Director	Sell	503	$64.05	$32,217.15	33,108
3/3/2025	Jeffrey William Henderson	Director	Sell	5,000	$58.69	$293,450.00	33,611
2/27/2025	Michael J. LaBarre	SVP	Sell	1,697	$58.28	$98,901.16	173,756
2/25/2025	Michael J. LaBarre	SVP	Sell	10,000	$58.05	$580,500.00	185,453
2/3/2025	Jeffrey William Henderson	Director	Sell	5,000	$56.30	$281,500.00	38,611
1/6/2025	Jeffrey William Henderson	Director	Sell	10,000	$50.01	$500,100.00	43,611
10/16/2024	Michael J. LaBarre	SVP	Sell	10,000	$53.26	$532,600.00	173,756
10/9/2024	Helen Torley	CEO	Sell	10,000	$52.58	$525,800.00	676,744
9/25/2024	Helen Torley	CEO	Sell	10,000	$56.34	$563,400.00	676,744
9/18/2024	Michael J. LaBarre	SVP	Sell	10,000	$62.03	$620,300.00	173,756
9/12/2024	Helen Torley	CEO	Sell	10,000	$59.20	$592,000.00	676,744
9/10/2024	Helen Torley	CEO	Sell	10,000	$59.09	$590,900.00	676,744
8/21/2024	Michael J. LaBarre	SVP	Sell	10,000	$61.75	$617,500.00	168,176
8/14/2024	Matthew L. Posard	Director	Sell	9,881	$57.70	$570,133.70	69,874
8/12/2024	Matthew L. Posard	Director	Sell	10,000	$55.72	$557,200.00	89,755
7/24/2024	Michael J. LaBarre	SVP	Sell	10,000	$55.12	$551,200.00	168,176
7/22/2024	Nicole Labrosse	CFO	Sell	5,000	$53.93	$269,650.00	15,480
6/27/2024	Nicole Labrosse	CFO	Sell	10,000	$51.93	$519,300.00	15,480
6/11/2024	Matthew L. Posard	Director	Sell	10,000	$50.01	$500,100.00	109,755
5/22/2024	Michael J. LaBarre	SVP	Sell	10,000	$45.38	$453,800.00	168,176
4/17/2024	Michael J. LaBarre	SVP	Sell	10,000	$38.49	$384,900.00	168,176
3/12/2024	Michael J. LaBarre	SVP	Sell	10,000	$41.64	$416,400.00	156,558
2/28/2024	Michael J. LaBarre	SVP	Sell	10,000	$39.55	$395,500.00	156,558
12/12/2023	Michael J. LaBarre	SVP	Sell	10,000	$39.63	$396,300.00	151,911
10/17/2023	Michael J. LaBarre	SVP	Sell	10,000	$36.52	$365,200.00	151,911
9/19/2023	Michael J. LaBarre	SVP	Sell	10,000	$39.10	$391,000.00	151,911

SEC Filings (Institutional Ownership Changes) for Halozyme Therapeutics (NASDAQ:HALO)

97.79% of Halozyme Therapeutics 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

Halozyme Therapeutics Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
9/11/2026	Talon Private Wealth LLC	10,725	$0.84M	0.1%	N/A	0.009%
9/9/2026	Sequoia Financial Advisors LLC	4,588	$0.36M	0.0%	N/A	0.004%
9/9/2026	Tidal Investments LLC	190,305	$14.90M	0.0%	+13.5%	0.168%
9/9/2026	WINTON GROUP Ltd	60,348	$4.72M	0.1%	+704.6%	0.053%
9/9/2026	Engineers Gate Manager LP	46,172	$3.61M	0.0%	+6.7%	0.041%
9/9/2026	SVB Wealth LLC	5,162	$0.40M	0.0%	N/A	0.005%
9/9/2026	Integrated Wealth Concepts LLC	4,031	$0.32M	0.0%	+11.6%	0.004%
9/9/2026	RFG Advisory LLC	19,613	$1.54M	0.0%	N/A	0.017%
9/9/2026	NewEdge Advisors LLC	3,961	$0.31M	0.0%	-19.7%	0.003%
9/9/2026	Steamboat Capital Partners LLC	108,366	$8.48M	1.8%	-1.2%	0.095%
9/9/2026	IFP Advisors Inc	3,939	$0.31M	0.0%	+9.0%	0.003%
9/9/2026	Squarepoint Ops LLC	37,035	$2.90M	0.0%	-40.5%	0.033%
9/9/2026	Baird Financial Group Inc.	11,087	$0.87M	0.0%	+3.7%	0.010%
9/8/2026	Allworth Financial LP	37,664	$2.95M	0.0%	+3.9%	0.033%
9/8/2026	Arizona State Retirement System	32,691	$2.56M	0.0%	+1.2%	0.029%
9/4/2026	Parkside Financial Bank & Trust	5,790	$0.45M	0.0%	+18.4%	0.005%
9/2/2026	Allianz Asset Management GmbH	3,089	$0.24M	0.0%	N/A	0.003%
8/27/2026	Corient Private Wealth LP	187,166	$14.65M	0.0%	-1.8%	0.165%
8/26/2026	Amundi	18,349	$1.44M	0.0%	-84.9%	0.016%
8/26/2026	HighTower Advisors LLC	15,024	$1.18M	0.0%	-15.8%	0.013%
8/25/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	13,100	$1.03M	0.0%	N/A	0.012%
8/23/2026	HB Wealth Management LLC	14,202	$1.11M	0.0%	+281.9%	0.013%
8/22/2026	AlphaGrep UK Ltd	4,348	$0.34M	0.1%	N/A	0.004%
8/22/2026	BAM Wealth Management LLC	6,175	$0.48M	0.3%	+37.7%	0.005%
8/22/2026	denkapparat Operations GmbH	4,988	$0.39M	0.1%	N/A	0.004%
8/21/2026	AXQ Capital LP	30,831	$2.41M	0.3%	+111.8%	0.027%
8/21/2026	Orion Capital Management LLC	4,300	$0.34M	0.1%	+14.7%	0.004%
8/21/2026	Keeler Thomas Management LLC	18,144	$1.42M	0.5%	+8.9%	0.016%
8/20/2026	BTG Pactual Asset Management US LLC	4,164	$0.33M	0.0%	N/A	0.004%
8/20/2026	Quantitative Investment Management LLC	16,631	$1.30M	0.1%	N/A	0.015%
8/20/2026	Two Sigma Securities LLC	12,525	$0.98M	0.1%	N/A	0.011%
8/20/2026	Cookson Peirce & Co. Inc.	6,213	$0.49M	0.0%	N/A	0.005%
8/20/2026	Northwestern Mutual Wealth Management Co.	749	$59K	0.0%	-41.7%	0.001%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	356,472	$27.90M	0.0%	-32.5%	0.314%
8/19/2026	Royal London Asset Management Ltd.	1,810,815	$141.73M	0.3%	+12.4%	1.595%
8/19/2026	Hsbc Holdings PLC	158,889	$12.45M	0.0%	+452.1%	0.140%
8/19/2026	Wellington Management Group LLP	2,794	$0.22M	0.0%	-72.8%	0.002%
8/19/2026	Archer Investment Corp	1,000	$78K	0.0%	N/A	0.001%
8/18/2026	Livforsakringsbolaget Skandia Omsesidigt	124,100	$9.71M	0.3%	N/A	0.109%
8/18/2026	Orion Capital Management LLC	4,300	$0.34M	0.1%	N/A	0.004%
8/18/2026	Empowered Funds LLC	87,905	$6.88M	0.0%	N/A	0.077%
8/18/2026	United Capital Financial Advisors LLC	13,677	$1.07M	0.0%	N/A	0.012%
8/18/2026	Caitlin John LLC	560	$44K	0.0%	N/A	0.000%
8/18/2026	Centaurus Financial Inc.	23,928	$1.87M	0.1%	N/A	0.021%
8/18/2026	Harvey Capital Management Inc.	146,113	$11.44M	2.4%	N/A	0.129%
8/18/2026	Coastal Bridge Advisors LLC	14,500	$1.14M	0.1%	N/A	0.013%
8/18/2026	Public Employees Retirement System of Ohio	37,037	$2.90M	0.0%	N/A	0.033%
8/17/2026	Redwood Investment Management LLC	28,149	$2.20M	0.2%	N/A	0.025%
8/17/2026	Corient Private Wealth LP	187,447	$14.67M	0.0%	N/A	0.165%
8/17/2026	Panoramic Capital LLC	116,416	$9.11M	3.9%	N/A	0.103%
8/17/2026	Bank of America Corp DE	2,740,561	$214.50M	0.0%	N/A	2.415%
8/15/2026	Freestone Grove Partners LP	18,192	$1.42M	0.0%	N/A	0.016%
8/15/2026	Caisse de depot et placement du Quebec	1,072,439	$83.94M	0.1%	N/A	0.945%
8/15/2026	Western Wealth Management LLC	2,590	$0.20M	0.0%	N/A	0.002%
8/15/2026	Roberts Glore & Co. Inc. IL	2,581	$0.20M	0.0%	N/A	0.002%
8/15/2026	Jupiter Topco LLC	1,348,843	$105.57M	0.0%	N/A	1.188%
8/14/2026	Hsbc Holdings PLC	158,889	$12.45M	0.0%	N/A	0.140%
8/14/2026	EFG International AG	62,029	$4.86M	0.1%	N/A	0.055%
8/14/2026	Canada Pension Plan Investment Board	132,600	$10.38M	0.0%	N/A	0.117%
8/14/2026	Legal & General Group Plc	323,087	$25.29M	0.0%	N/A	0.285%
8/14/2026	The Manufacturers Life Insurance Company	174,061	$13.62M	0.0%	N/A	0.153%
8/14/2026	Kelly Lawrence W & Associates Inc. CA	1,500	$0.12M	0.0%	N/A	0.001%
8/14/2026	Cetera Trust Company N.A	6,250	$0.49M	0.2%	N/A	0.006%
8/14/2026	Paradigm Capital Management Inc. NY	10,000	$0.78M	0.0%	N/A	0.009%
8/14/2026	Visionary Wealth Advisors	5,195	$0.41M	0.0%	N/A	0.005%
8/14/2026	Whalen Wealth Management Inc.	7,685	$0.60M	0.3%	N/A	0.007%
8/13/2026	Infrastructure Capital Advisors LLC	8,596	$0.67M	0.0%	N/A	0.008%
8/13/2026	Cibc World Market Inc.	3,942	$0.31M	0.0%	N/A	0.003%
8/13/2026	OMERS ADMINISTRATION Corp	47,989	$3.76M	0.0%	N/A	0.042%
8/13/2026	Sanctuary Advisors LLC	19,611	$1.54M	0.0%	N/A	0.017%
8/13/2026	Meiji Yasuda Asset Management Co Ltd.	2,713	$0.21M	0.0%	N/A	0.002%
8/12/2026	Elevation Point Wealth Partners LLC	3,370	$0.26M	0.0%	N/A	0.003%
8/12/2026	Commerce Bank	17,206	$1.35M	0.0%	N/A	0.015%
8/12/2026	Northwestern Mutual Wealth Management Co.	749	$59K	0.0%	N/A	0.001%
8/12/2026	Quantbot Technologies LP	378	$30K	0.0%	N/A	0.000%
8/12/2026	Evolve Private Wealth LLC	3,238	$0.25M	0.0%	N/A	0.003%
8/12/2026	William Blair Investment Management LLC	2,511,050	$196.54M	0.6%	N/A	2.212%
8/12/2026	EP Wealth Advisors LLC	8,761	$0.69M	0.0%	N/A	0.008%
8/11/2026	Allworth Financial LP	37,664	$2.95M	0.0%	N/A	0.032%
8/11/2026	Silvant Capital Management LLC	720	$56K	0.0%	N/A	0.001%
8/11/2026	PCM Encore LLC	3,269	$0.26M	0.0%	N/A	0.003%
8/11/2026	Vise Technologies Inc.	9,499	$0.74M	0.0%	N/A	0.008%
8/11/2026	E Fund Management Co. Ltd.	5,810	$0.46M	0.0%	N/A	0.005%
8/11/2026	Aurora Investment Counsel	18,233	$1.43M	0.7%	N/A	0.015%
8/10/2026	Great Lakes Advisors LLC	36,039	$2.82M	0.0%	N/A	0.032%
8/10/2026	Diversify Advisory Services LLC	33,976	$2.77M	0.0%	N/A	0.030%
8/10/2026	Pacific Wealth Management	5,401	$0.42M	0.2%	N/A	0.005%
8/8/2026	Foster & Motley Inc.	25,501	$2M	0.1%	N/A	0.021%
8/8/2026	Alpine Woods Capital Investors LLC	4,733	$0.37M	0.1%	N/A	0.004%
8/7/2026	Pzena Investment Management LLC	4,049	$0.32M	0.0%	N/A	0.003%
8/7/2026	MidFirst Bank	347	$27K	0.0%	N/A	0.000%
8/7/2026	Occidental Asset Management LLC	3,195	$0.25M	0.0%	N/A	0.003%
8/7/2026	Deutsche Bank AG	45,987	$3.60M	0.0%	N/A	0.039%
8/7/2026	Mitsubishi UFJ Asset Management Co. Ltd.	362	$28K	0.0%	N/A	0.000%
8/7/2026	OneDigital Investment Advisors LLC	3,246	$0.25M	0.0%	N/A	0.003%
8/7/2026	Chase Investment Counsel Corp	26,000	$2.04M	0.4%	N/A	0.022%
8/6/2026	Horizon Investment Services LLC	28,793	$2.25M	0.6%	N/A	0.024%
8/6/2026	Global Retirement Partners LLC	6,078	$0.48M	0.0%	N/A	0.005%
8/6/2026	Bank of New York Mellon Corp	802,245	$62.79M	0.0%	N/A	0.676%
8/6/2026	State of Wyoming	6,557	$0.51M	0.1%	N/A	0.006%

Data available starting January 2016

Halozyme Therapeutics, Inc., a biopharma technology platform company, researches, develops, and commercializes proprietary enzymes and devices in the United States, Switzerland, Belgium, Japan, and internationally. The company's products are based on the patented recombinant human hyaluronidase enzyme (rHuPH20) that enables delivery of injectable biologics, such as monoclonal antibodies and other therapeutic molecules, as well as small molecules and fluids. It offers Hylenex recombinant, a formulation of rHuPH20 to facilitate subcutaneous (SC) fluid administration for achieving hydration to enhance the dispersion and absorption of other injected drugs in SC urography and to enhance resorption of radiopaque agents; rilpivirine, cabotegravir, and N6LS BNAB for the treatment of HIV; ocrelizumab for multiple sclerosis; XYOSTED, an injection for SC administration of testosterone replacement therapy; and ATRS-1902, a proprietary drug device combination product. The company also provides Herceptin (trastuzumab), Herceptin Hylecta, and Phesgo to treat breast cancer; Mabthera SC for the treatment of chronic lymphocytic leukemia; HYQVIA to treat primary immunodeficiency disorders; and DARZALEX for patients with amyloidosis, smoldering myeloma, and multiple myeloma. In addition, it offers Epinephrine Injection to treat allergic reactions; nivolumab+relatlimab and ANTI-TIM3 for the treatment of solid tumors; ARGX-117 for multifocal motor neuropathy; atezolizumab; nivolumab; afgartigimod; teriparatide injections; and OTREXUP, a SC methotrexate injection for adults with severe active rheumatoid arthritis and severe recalcitrant psoriasis, as well as children with active polyarticular juvenile idiopathic arthritis. Further, the company provides ATRS-1902 for adrenal crisis rescue; ARGX-113; and ARGX-117 to treat severe autoimmune diseases in multifocal motor neuropathy. Halozyme Therapeutics, Inc. was founded in 1998 and is headquartered in San Diego, California.

Today's Range

Now: $112.64

$109.38

$112.45

50 Day Range

MA: $95.95

$75.05

$110.76

52 Week Range

Now: $112.64

$61.22

$112.45

Volume

7,828,494 shs

Average Volume

1,866,094 shs

Market Capitalization

$12.78 billion

P/E Ratio

33.62

Dividend Yield

N/A

Beta

0.88

Who are the company insiders with the largest holdings of Halozyme Therapeutics?: Halozyme Therapeutics' top insider shareholders include:
Randal J Kirk (Major Shareholder)
Helen Torley (CEO)
Kathryn Falberg (Director)
Kenneth J Kelley (Director)
Robert Engler (Director)
Connie Matsui (Director)
Michael J Labarre (SVP)
John Stuart Patton (Director)
Matthew L Posard (Director)
Jeffrey William Henderson (Director)
Learn More about top insider investors at Halozyme Therapeutics.
Who are the major institutional investors of Halozyme Therapeutics?: Halozyme Therapeutics' top institutional investors include:
Bank of America Corp DE — 2.41%
William Blair Investment Management LLC — 2.21%
Royal London Asset Management Ltd. — 1.60%
Jupiter Topco LLC — 1.19%
Caisse de depot et placement du Quebec — 0.94%
Assenagon Asset Management S.A. — 0.84%
Learn More about top institutional investors of Halozyme Therapeutics stock.
Which major investors are selling Halozyme Therapeutics stock?: Within the last quarter, HALO stock was sold by these institutional investors:
UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Amundi
Squarepoint Ops LLC
Oliver Luxxe Assets LLC
Wellington Management Group LLP
Corient Private Wealth LP
Redhawk Wealth Advisors Inc.
HighTower Advisors LLC
In the last year, company insiders that have sold Halozyme Therapeutics company stock include:
Helen Torley (CEO)
Matthew L Posard (Director)
Bernadette Connaughton (Director)
Nicole Labrosse (CFO)
Mahesh Krishnan (Director)
Cortney Caudill (COO)
Learn More investors selling Halozyme Therapeutics stock.
Which major investors are buying Halozyme Therapeutics stock?: Within the last quarter, HALO stock was acquired by institutional investors including:
Bank of America Corp DE
William Blair Investment Management LLC
Jupiter Topco LLC
Caisse de depot et placement du Quebec
Assenagon Asset Management S.A.
Bank of New York Mellon Corp
Wedge Capital Management L L P NC
Legal & General Group Plc