IONS Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 2.60%

Insider Buying (Last 12 Months): $659,000.00

Insider Selling (Last 12 Months): $67,968,421.56

Ionis Pharmaceuticals Insider Trading History Chart

Ionis Pharmaceuticals Share Price & Price History

^$81.81

▼ -0.03 (-0.04%)

As of 12/4/2025 05:00 PM ET

Days: 30 | 90 | 365

Ionis Pharmaceuticals Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
12/1/2025	Joseph H. Wender	Director	Sell	28,000	$80.82	$2,262,960.00	36,035
11/25/2025	Shannon L. Devers	EVP	Sell	16,777	$80.91	$1,357,427.07	17,494
11/6/2025	Brian Birchler	EVP	Sell	8,000	$76.17	$609,360.00	48,826
11/6/2025	Richard S. Geary	EVP	Sell	33,038	$75.72	$2,501,637.36	59,657
11/5/2025	Richard S. Geary	EVP	Sell	1,601	$75.01	$120,091.01	59,657
11/3/2025	Richard S. Geary	EVP	Sell	1,680	$75.05	$126,084.00	59,657
10/31/2025	Joseph H. Wender	Director	Sell	11,200	$75.16	$841,792.00	64,035
10/31/2025	Richard S. Geary	EVP	Sell	89,249	$75.11	$6,703,492.39	59,657
10/30/2025	Joseph H. Wender	Director	Sell	16,800	$73.26	$1,230,768.00	75,235
10/16/2025	Eric Swayze	EVP	Sell	53	$73.62	$3,901.86	256
10/16/2025	Shannon L. Devers	EVP	Sell	1,263	$73.62	$92,982.06	17,494
10/15/2025	B. Lynne Parshall, Esq.	Director	Sell	5,000	$71.74	$358,700.00	61,344
10/15/2025	Brian Birchler	EVP	Sell	12,425	$72.23	$897,457.75	56,826
10/15/2025	Shannon L. Devers	EVP	Sell	6,000	$72.94	$437,640.00	15,937
10/14/2025	Brian Birchler	EVP	Sell	11,475	$72.03	$826,544.25	56,826
10/6/2025	Brett P. Monia	CEO	Sell	437	$69.26	$30,266.62	179,572
10/6/2025	Eric Swayze	EVP	Sell	6,849	$69.02	$472,717.98	30,453
10/6/2025	Patrick R. O'Neil	EVP	Sell	13,441	$69.74	$937,375.34	53,889
10/2/2025	Eric Swayze	EVP	Sell	12,972	$66.23	$859,135.56	37,302
10/2/2025	Patrick R. O'Neil	EVP	Sell	64,664	$67.69	$4,377,106.16	57,130
10/1/2025	Eric Swayze	EVP	Sell	14,142	$66.09	$934,644.78	37,302
10/1/2025	Joseph H. Wender	Director	Sell	16,800	$65.50	$1,100,400.00	92,035
9/30/2025	Elizabeth L. Hougen	EVP	Sell	49,800	$65.26	$3,249,948.00	110,500
9/30/2025	Patrick R. O'Neil	EVP	Sell	14,827	$64.68	$959,010.36	57,130
9/30/2025	Richard S. Geary	EVP	Sell	57,900	$65.24	$3,777,396.00	79,657
9/29/2025	Patrick R. O'Neil	EVP	Sell	10,473	$64.54	$675,927.42	57,130
9/12/2025	Patrick R. O'Neil	EVP	Sell	1,700	$64.58	$109,786.00	57,130
9/9/2025	Patrick R. O'Neil	EVP	Sell	21,000	$64.56	$1,355,760.00	57,130
9/5/2025	C. Frank Bennett	EVP	Sell	6,000	$59.60	$357,600.00	82,679
9/3/2025	Brett P. Monia	CEO	Sell	203,814	$60.32	$12,294,060.48	180,009
9/3/2025	C. Frank Bennett	EVP	Sell	33,909	$60.62	$2,055,563.58	101,570
9/3/2025	Eugene Schneider	EVP	Sell	19,658	$60.81	$1,195,402.98	51,507
9/3/2025	Joseph H. Wender	Director	Sell	11,200	$60.14	$673,568.00	108,835
9/3/2025	Patrick R. O'Neil	EVP	Sell	76,850	$60.97	$4,685,544.50	5,655
9/3/2025	Shannon L. Devers	EVP	Sell	3,162	$61.02	$192,945.24	15,009
9/2/2025	B. Lynne Parshall, Esq.	Director	Sell	20,000	$50.91	$1,018,200.00	66,344
9/2/2025	C. Frank Bennett	EVP	Sell	5,000	$49.14	$245,700.00	88,679
9/2/2025	Eric Swayze	EVP	Sell	11,130	$49.67	$552,827.10	37,302
9/2/2025	Joseph H. Wender	Director	Sell	16,800	$55.87	$938,616.00	120,035
9/2/2025	Patrick R. O'Neil	EVP	Sell	13,050	$54.51	$711,355.50	57,130
9/2/2025	Richard S. Geary	EVP	Sell	10,000	$50.37	$503,700.00	79,657
8/22/2025	Allene M. Diaz	Director	Sell	1,427	$42.53	$60,690.31	18,368
8/18/2025	C. Frank Bennett	EVP	Sell	10,000	$43.98	$439,800.00	93,466
8/6/2025	B. Lynne Parshall, Esq.	Director	Sell	5,000	$41.93	$209,650.00	86,344
8/5/2025	Richard S. Geary	EVP	Sell	10,000	$42.86	$428,600.00	89,492
8/4/2025	Eugene Schneider	EVP	Sell	9,549	$42.80	$408,697.20	51,507
7/30/2025	Brett P. Monia	CEO	Sell	2,432	$45.00	$109,440.00	179,820
7/11/2025	Brett P. Monia	CEO	Sell	1,160	$41.74	$48,418.40	179,820
5/1/2025	Michael R. Hayden	Director	Buy	15,000	$31.86	$477,900.00	50,219
4/16/2025	Brian Birchler	EVP	Sell	680	$28.37	$19,291.60	56,660
3/11/2025	Brett P. Monia	CEO	Sell	140	$32.32	$4,524.80	180,980
2/20/2025	Patrick R. O'Neil	EVP	Sell	1,207	$32.35	$39,046.45	56,245
2/4/2025	Brett P. Monia	CEO	Sell	38,843	$31.65	$1,229,380.95	180,683
2/4/2025	Patrick R. O'Neil	EVP	Sell	6,165	$31.62	$194,937.30	57,452
1/31/2025	Brett P. Monia	CEO	Sell	13,242	$32.45	$429,702.90	219,526
1/31/2025	Elizabeth L. Hougen	CFO	Sell	1,523	$32.44	$49,406.12	110,500
1/31/2025	Eric Swayze	EVP	Sell	1,367	$32.31	$44,167.77	48,017
1/16/2025	Brett P. Monia	CEO	Sell	33,445	$32.63	$1,091,310.35	207,396
1/16/2025	Elizabeth L. Hougen	CFO	Sell	8,870	$32.81	$291,024.70	107,885
1/16/2025	Eric Swayze	EVP	Sell	7,154	$32.84	$234,937.36	45,670
12/23/2024	Michael R. Hayden	Director	Buy	5,000	$36.22	$181,100.00	35,219
11/12/2024	Brett P. Monia	CEO	Sell	6,630	$38.05	$252,271.50	167,393
11/12/2024	Eric Swayze	EVP	Sell	1,194	$37.92	$45,276.48	33,713
10/16/2024	Eric Swayze	EVP	Sell	53	$38.31	$2,030.43	157
8/28/2024	Richard S. Geary	EVP	Sell	320	$49.16	$15,731.20	85,154
8/5/2024	Richard S. Geary	EVP	Sell	2,430	$48.00	$116,640.00	85,508
7/16/2024	Joseph Klein, III	Director	Sell	12,000	$50.00	$600,000.00	16,346
5/3/2024	Joseph Klein, III	Director	Sell	6,000	$42.71	$256,260.00	16,346
4/16/2024	Joseph Baroldi	EVP	Sell	4,006	$41.60	$166,649.60	19,631
2/16/2024	Brett P. Monia	CEO	Sell	387	$44.49	$17,217.63	173,751
2/2/2024	Brett P. Monia	CEO	Sell	23,501	$49.37	$1,160,244.37	174,138
2/2/2024	Elizabeth L. Hougen	CFO	Sell	2,125	$49.54	$105,272.50	92,905
2/2/2024	Eric Swayze	EVP	Sell	1,907	$49.56	$94,510.92	34,324
1/31/2024	Eric Swayze	EVP	Sell	10,773	$52.00	$560,196.00	32,516
1/25/2024	Brett P. Monia	CEO	Sell	2,285	$51.75	$118,248.75	151,851
1/25/2024	Patrick R. O'Neil	EVP	Sell	6,450	$51.75	$333,787.50	46,802
1/17/2024	Brett P. Monia	CEO	Sell	32,059	$50.42	$1,616,414.78	154,136
1/17/2024	Elizabeth L. Hougen	CFO	Sell	8,683	$50.42	$437,796.86	90,890
1/17/2024	Onaiza J. Cadoret-Manier	EVP	Sell	5,564	$50.42	$280,536.88	33,810
1/12/2024	Eugene Schneider	EVP	Sell	8,000	$53.50	$428,000.00	38,170
12/28/2023	B. Lynne Parshall, Esq.	Director	Sell	42,525	$50.19	$2,134,329.75	82,588
12/26/2023	B. Lynne Parshall, Esq.	Director	Sell	25,113	$51.46	$1,292,314.98	82,588
12/26/2023	Patrick R. O'Neil	EVP	Sell	20,825	$51.46	$1,071,654.50	40,355
12/21/2023	Brett P. Monia	CEO	Sell	17,500	$49.29	$862,575.00	118,111
12/20/2023	C. Frank Bennett	EVP	Sell	6,500	$49.64	$322,660.00	65,754
12/14/2023	Brett P. Monia	CEO	Sell	24,000	$49.58	$1,189,920.00	118,111
11/15/2023	Joseph Klein, III	Director	Sell	2,000	$50.00	$100,000.00	16,346
10/17/2023	Eric Swayze	EVP	Sell	52	$47.95	$2,493.40	73
10/12/2023	Brett P. Monia	CEO	Sell	3,770	$46.00	$173,420.00	118,111
9/28/2023	C. Frank Bennett	EVP	Sell	4,460	$46.50	$207,390.00	65,754
9/26/2023	B. Lynne Parshall, Esq.	Director	Sell	10,000	$45.13	$451,300.00	82,588
8/1/2023	Allene M. Diaz	Director	Sell	657	$41.05	$26,969.85	12,676
7/18/2023	Joseph Klein, III	Director	Sell	3,555	$42.00	$149,310.00	20,346
7/7/2023	Brett P. Monia	CEO	Sell	18,650	$42.25	$787,962.50	121,724
5/24/2023	Patrick R. O'Neil	EVP	Sell	1,527	$41.70	$63,675.90	40,355
5/22/2023	Brett P. Monia	CEO	Sell	4,931	$40.14	$197,930.34	140,374
4/18/2023	Brian Birchler	EVP	Sell	672	$36.50	$24,528.00	36,528
2/6/2023	Brett P. Monia	CEO	Sell	24,651	$40.69	$1,003,049.19	145,305
2/6/2023	Elizabeth L. Hougen	CFO	Sell	2,079	$40.59	$84,386.61	75,496
2/6/2023	Eric Swayze	EVP	Sell	1,815	$40.79	$74,033.85	31,941
1/30/2023	Patrick R. O'Neil	EVP	Sell	4,500	$39.42	$177,390.00	44,179
1/18/2023	Brett P. Monia	CEO	Sell	25,066	$39.49	$989,856.34	120,863
1/18/2023	Elizabeth L. Hougen	CFO	Sell	8,280	$39.70	$328,716.00	73,435
1/18/2023	Eric Swayze	EVP	Sell	5,631	$39.74	$223,775.94	30,041
1/17/2023	Joseph Klein, III	Director	Sell	2,000	$40.00	$80,000.00	16,791

SEC Filings (Institutional Ownership Changes) for Ionis Pharmaceuticals (NASDAQ:IONS)

93.86% of Ionis Pharmaceuticals 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

Ionis Pharmaceuticals Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
12/2/2025	Swiss Life Asset Management Ltd	6,827	$0.45M	0.0%	N/A	0.004%
12/1/2025	Groupama Asset Managment	1,061,777	$69.46M	0.2%	-8.5%	0.656%
11/25/2025	BlueCrest Capital Management Ltd	23,370	$1.53M	0.0%	N/A	0.014%
11/21/2025	Alpine Global Management LLC	55,900	$3.66M	0.6%	+119.8%	0.035%
11/20/2025	Tweedy Browne Co LLC	2,901,216	$189.80M	16.5%	+0.3%	1.791%
11/19/2025	Coldstream Capital Management Inc.	4,479	$0.29M	0.0%	N/A	0.003%
11/19/2025	Danske Bank A S	1,400	$92K	0.0%	N/A	0.001%
11/18/2025	Raab & Moskowitz Asset Management LLC	3,115	$0.20M	0.0%	N/A	0.002%
11/17/2025	NewEdge Advisors LLC	4,822	$0.32M	0.0%	+2,360.2%	0.003%
11/17/2025	CANADA LIFE ASSURANCE Co	46,128	$2.96M	0.0%	-0.8%	0.028%
11/17/2025	PharVision Advisers LLC	3,587	$0.24M	0.1%	N/A	0.002%
11/17/2025	Dark Forest Capital Management LP	46,092	$3.02M	0.1%	N/A	0.028%
11/17/2025	Alyeska Investment Group L.P.	311,258	$20.36M	0.1%	+95.7%	0.192%
11/17/2025	Voleon Capital Management LP	3,060	$0.20M	0.0%	N/A	0.002%
11/17/2025	Voloridge Investment Management LLC	803,047	$52.54M	0.2%	-6.0%	0.496%
11/17/2025	Wexford Capital LP	1,192	$78K	0.0%	-74.9%	0.001%
11/17/2025	Verition Fund Management LLC	37,196	$2.43M	0.0%	-84.0%	0.023%
11/17/2025	Vestal Point Capital LP	1,075,000	$70.33M	3.2%	+115.0%	0.664%
11/17/2025	Polar Capital Holdings Plc	1,033,622	$67.62M	0.3%	+3.4%	0.638%
11/17/2025	Quarry LP	588	$38K	0.0%	N/A	0.000%
11/17/2025	Prelude Capital Management LLC	37,293	$2.44M	0.2%	-5.4%	0.023%
11/17/2025	Public Employees Retirement System of Ohio	48,545	$3.18M	0.0%	+0.6%	0.030%
11/17/2025	Northern Trust Corp	844,943	$55.28M	0.0%	+3.8%	0.522%
11/17/2025	Northwestern Mutual Wealth Management Co.	12,782	$0.84M	0.0%	+4.4%	0.008%
11/17/2025	Mariner LLC	24,227	$1.59M	0.0%	-34.4%	0.015%
11/17/2025	Mercer Global Advisors Inc. ADV	3,747	$0.25M	0.0%	N/A	0.002%
11/17/2025	Millennium Management LLC	779,570	$51M	0.0%	-70.6%	0.481%
11/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	6,431	$0.41M	0.0%	-9.1%	0.004%
11/17/2025	Jain Global LLC	225,739	$14.77M	0.1%	+3,037.4%	0.139%
11/17/2025	Gotham Asset Management LLC	32,152	$2.10M	0.0%	+125.2%	0.020%
11/17/2025	Farallon Capital Management LLC	4,800	$0.31M	0.0%	N/A	0.003%
11/17/2025	Fred Alger Management LLC	42,401	$2.77M	0.0%	+348.0%	0.026%
11/17/2025	BlueCrest Capital Management Ltd	23,370	$1.53M	0.0%	N/A	0.014%
11/17/2025	Brevan Howard Capital Management LP	4,516	$0.30M	0.0%	-86.2%	0.003%
11/17/2025	Cinctive Capital Management LP	173,819	$11.37M	0.5%	N/A	0.107%
11/17/2025	Baker BROS. Advisors LP	566,798	$37.08M	0.3%	N/A	0.350%
11/17/2025	Bamco Inc. NY	25,000	$1.64M	0.0%	N/A	0.015%
11/17/2025	California Public Employees Retirement System	215,845	$14.12M	0.0%	+6.9%	0.133%
11/17/2025	Bank of Nova Scotia	3,509	$0.23M	0.0%	N/A	0.002%
11/17/2025	Boone Capital Management LLC	417,833	$27.34M	9.0%	N/A	0.258%
11/17/2025	Aquatic Capital Management LLC	159,045	$10.41M	0.2%	+0.6%	0.098%
11/17/2025	Algert Global LLC	252,281	$16.50M	0.3%	+562.3%	0.156%
11/17/2025	Alliancebernstein L.P.	54,262	$3.55M	0.0%	+4.2%	0.034%
11/14/2025	Schonfeld Strategic Advisors LLC	200,839	$13.14M	0.1%	-55.3%	0.124%
11/14/2025	Creative Planning	51,474	$3.37M	0.0%	-3.4%	0.032%
11/14/2025	Credit Agricole S A	4,710	$0.31M	0.0%	N/A	0.003%
11/14/2025	Raymond James Financial Inc.	240,424	$15.73M	0.0%	+13.6%	0.148%
11/14/2025	Bellevue Group AG	6,244,451	$408.51M	8.5%	-20.5%	3.855%
11/14/2025	Amundi	101,531	$7.01M	0.0%	-96.9%	0.063%
11/14/2025	Deep Track Capital LP	3,808,144	$249.13M	7.0%	-22.1%	2.351%
11/14/2025	One Capital Management LLC	36,426	$2.38M	0.1%	+22.0%	0.022%
11/14/2025	ADAR1 Capital Management LLC	133,818	$8.75M	0.8%	-9.9%	0.083%
11/14/2025	Fiduciary Trust Co	6,377	$0.42M	0.0%	-25.4%	0.004%
11/14/2025	UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC	1,154,166	$75.51M	0.0%	+45.9%	0.713%
11/14/2025	Two Sigma Investments LP	1,575,943	$103.10M	0.2%	-11.9%	0.973%
11/14/2025	Vident Advisory LLC	11,551	$0.76M	0.0%	-3.7%	0.007%
11/14/2025	Arrowpoint Investment Partners Singapore Pte. Ltd.	5,463	$0.36M	0.4%	N/A	0.003%
11/14/2025	Comerica Bank	2,187	$0.14M	0.0%	+35.3%	0.001%
11/14/2025	Perbak Capital Partners LLP	4,426	$0.29M	0.1%	-53.6%	0.003%
11/13/2025	Pathstone Holdings LLC	33,602	$2.20M	0.0%	+9.2%	0.021%
11/13/2025	Marshall Wace LLP	958,829	$62.73M	0.1%	+7,219.3%	0.592%
11/13/2025	Twin Tree Management LP	28,575	$1.87M	0.0%	N/A	0.018%
11/13/2025	Entropy Technologies LP	32,925	$2.15M	0.2%	+11.8%	0.020%
11/13/2025	Landscape Capital Management L.L.C.	26,562	$1.74M	0.1%	N/A	0.016%
11/13/2025	Kennedy Capital Management LLC	122,766	$8.03M	0.2%	-7.0%	0.076%
11/13/2025	Tocqueville Asset Management L.P.	193,045	$12.63M	0.2%	+3.0%	0.119%
11/13/2025	Johnson Financial Group Inc.	670	$44K	0.0%	N/A	0.000%
11/13/2025	Arrowstreet Capital Limited Partnership	630,136	$41.22M	0.0%	N/A	0.389%
11/13/2025	Invesco Ltd.	519,070	$33.96M	0.0%	+102.6%	0.320%
11/13/2025	Connor Clark & Lunn Investment Management Ltd.	878,155	$57.45M	0.2%	+230.4%	0.542%
11/13/2025	Atika Capital Management LLC	21,500	$1.41M	0.1%	N/A	0.013%
11/13/2025	Mackenzie Financial Corp	3,588	$0.24M	0.0%	N/A	0.002%
11/13/2025	Franklin Resources Inc.	6,593	$0.43M	0.0%	+18.7%	0.004%
11/13/2025	Van ECK Associates Corp	111,819	$7.32M	0.0%	+51.9%	0.069%
11/13/2025	Capital World Investors	12,722,728	$832.32M	0.1%	+1.5%	7.855%
11/13/2025	Legal & General Group Plc	319,565	$20.91M	0.0%	-21.0%	0.197%
11/13/2025	Fieldview Capital Management LLC	13,523	$0.89M	0.1%	-21.9%	0.008%
11/13/2025	Swiss National Bank	293,100	$19.18M	0.0%	+1.6%	0.181%
11/13/2025	Russell Investments Group Ltd.	77,293	$5.06M	0.0%	+734.2%	0.048%
11/13/2025	Inceptionr LLC	7,621	$0.50M	0.1%	N/A	0.005%
11/13/2025	Jefferies Financial Group Inc.	10,169	$0.67M	0.0%	-99.2%	0.006%
11/13/2025	Pinnacle Associates Ltd.	481,751	$31.52M	0.4%	-2.6%	0.297%
11/13/2025	Rhenman & Partners Asset Management AB	310,000	$20.28M	2.2%	+70.3%	0.191%
11/13/2025	Blair William & Co. IL	34,371	$2.25M	0.0%	-9.3%	0.021%
11/13/2025	First Trust Advisors LP	75,224	$4.92M	0.0%	+33.1%	0.046%
11/12/2025	DCF Advisers LLC	108,413	$7.09M	2.3%	+18.2%	0.067%
11/12/2025	Pitcairn Co.	4,075	$0.27M	0.0%	N/A	0.003%
11/12/2025	Orion Porfolio Solutions LLC	9,962	$0.65M	0.0%	+77.9%	0.006%
11/12/2025	Amova Asset Management Americas Inc.	114,592	$7.49M	0.1%	-18.0%	0.071%
11/12/2025	GW&K Investment Management LLC	264,007	$17.27M	0.2%	-41.2%	0.163%
11/12/2025	ARK Investment Management LLC	631,215	$41.29M	0.2%	-29.9%	0.390%
11/12/2025	Dimensional Fund Advisors LP	42,217	$2.76M	0.0%	N/A	0.026%
11/12/2025	Legato Capital Management LLC	17,300	$1.13M	0.1%	N/A	0.011%
11/12/2025	Victory Capital Management Inc.	18,211	$1.19M	0.0%	-1.6%	0.011%
11/12/2025	CI Investments Inc.	1,453	$95K	0.0%	-39.9%	0.001%
11/12/2025	Fisher Asset Management LLC	6,210	$0.41M	0.0%	N/A	0.004%
11/12/2025	Rafferty Asset Management LLC	125,773	$8.23M	0.0%	-13.1%	0.078%
11/12/2025	American Century Companies Inc.	1,372,225	$89.77M	0.0%	+190.3%	0.847%
11/12/2025	Huntington National Bank	654	$43K	0.0%	-17.7%	0.000%
11/12/2025	Handelsbanken Fonder AB	51,911	$3.40M	0.0%	+20.1%	0.032%

Data available starting January 2016

Ionis Pharmaceuticals, Inc. discovers and develops RNA-targeted therapeutics in the United States. The company offers SPINRAZA for spinal muscular atrophy (SMA) in pediatric and adult patients; TEGSEDI, an antisense injection for the treatment of polyneuropathy caused by hereditary transthyretin amyloidosis in adults; and WAYLIVRA, an antisense medicine for treatment for familial chylomicronemia syndrome (FCS) and familial partial lipodystrophy. It also develops medicines for various indications that are in phase 3 study, including Eplontersen as a monthly self-administered subcutaneous injection to treat all types of ATTR; Olezarsen for patients with FCS and severe hypertriglyceridemia (SHTG); Donidalorsen for patients with hereditary angioedema; ION363 for patients with amyotrophic lateral sclerosis; Tofersen to inhibit the production of superoxide dismutase 1; Pelacarsen for patients with established cardiovascular disease and elevated lipoprotein(a); and Bepirovirsen to inhibit the production of viral proteins associated with hepatitis B virus. In addition, the company develops IONIS-FB-LRx to inhibit the production of complement factor B and the alternative complement pathway; and ION224 to reduce the production of diacylglycerol acyltransferase 2. It has a strategic collaboration with Biogen for the treatment of neurological disorders; and collaboration and license agreement with Metagenomi, Inc, AstraZeneca, Bayer AG, GlaxoSmithKline plc, Novartis, Roche, Swedish Orphan Biovitrum AB, and PTC Therapeutics. The company was incorporated in 1989 and is based in Carlsbad, California.

Today's Range

Now: $81.81

$81.45

$83.61

50 Day Range

MA: $73.24

$64.09

$82.75

52 Week Range

Now: $81.81

$23.95

$83.61

Volume

2,317,797 shs

Average Volume

3,112,748 shs

Market Capitalization

$13.25 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.3

Who are the company insiders with the largest holdings of Ionis Pharmaceuticals?: Ionis Pharmaceuticals' top insider investors include:
Brett P Monia (CEO)
Joseph H Wender (Director)
Elizabeth L Hougen (CFO)
Elizabeth L Hougen (EVP)
C Frank Bennett (EVP)
Richard S Geary (EVP)
B Lynne Parshall (Director)
Patrick R O'neil (EVP)
Brian Birchler (EVP)
Eugene Schneider (EVP)
Michael R Hayden (Director)
Eric Swayze (EVP)
Onaiza Cadoret-Manier (EVP)
Joseph Baroldi (EVP)
Allene M Diaz (Director)
Shannon L Devers (EVP)
Joseph Klein III (Director)
Learn More about top insider investors at Ionis Pharmaceuticals.
Who are the major institutional investors of Ionis Pharmaceuticals?: Ionis Pharmaceuticals' top institutional shareholders include:
Vanguard Group Inc. — 10.18%
Capital World Investors — 7.85%
Bellevue Group AG — 3.86%
Deep Track Capital LP — 2.35%
Tweedy Browne Co LLC — 1.79%
Two Sigma Investments LP — 0.97%
Learn More about top institutional investors of Ionis Pharmaceuticals stock.
Which institutional investors are selling Ionis Pharmaceuticals stock?: In the last quarter, IONS stock was sold by these institutional investors:
New York State Common Retirement Fund
Amundi
Millennium Management LLC
Bellevue Group AG
Jefferies Financial Group Inc.
Deep Track Capital LP
Aberdeen Group plc
ARK Investment Management LLC
In the previous year, company insiders that have sold Ionis Pharmaceuticals company stock include:
Brett P Monia (CEO)
Joseph H Wender (Director)
Elizabeth L Hougen (CFO)
Elizabeth L Hougen (EVP)
C Frank Bennett (EVP)
Richard S Geary (EVP)
B Lynne Parshall (Director)
Patrick R O'neil (EVP)
Brian Birchler (EVP)
Eugene Schneider (EVP)
Michael R Hayden (Director)
Eric Swayze (EVP)
Onaiza Cadoret-Manier (EVP)
Learn More investors selling Ionis Pharmaceuticals stock.
Which institutional investors are buying Ionis Pharmaceuticals stock?: During the last quarter, IONS stock was purchased by institutional investors including:
Marshall Wace LLP
American Century Companies Inc.
Arrowstreet Capital Limited Partnership
Connor Clark & Lunn Investment Management Ltd.
Vestal Point Capital LP
Baker BROS. Advisors LP
Artisan Partners Limited Partnership
Boone Capital Management LLC