Ionis Pharmaceuticals (IONS) Institutional Ownership

$32.60 -0.59 (-1.78%)

Closing price 03/3/2025 04:00 PM Eastern

Extended Trading

$32.63 +0.03 (+0.09%)

As of 03/3/2025 05:49 PM Eastern

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Current Institutional Ownership Percentage: 93.86%
Number of Institutional Buyers (last 12 months): 154
Total Institutional Inflows (last 12 months): $673.53M

Number of Institutional Sellers (last 12 months): 102
Total Institutional Outflows (last 12 months): $1.27B

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IONS Institutional Buying and Selling by Quarter

Ionis Pharmaceuticals Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
2/19/2025	GF Fund Management CO. LTD.	3,315	$116K	0.0%	N/A	0.002%
2/19/2025	Public Employees Retirement System of Ohio	53,748	$1.88M	0.0%	-5.4%	0.034%
2/17/2025	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	619,641	$21.66M	0.0%	-40.8%	0.392%
2/17/2025	Voloridge Investment Management LLC	316,943	$11.08M	0.0%	-16.7%	0.201%
2/17/2025	Woodline Partners LP	107,610	$3.76M	0.0%	N/A	0.068%
2/17/2025	Vestal Point Capital LP	595,000	$20.80M	1.2%	N/A	0.377%
2/17/2025	Two Sigma Advisers LP	1,349,211	$47.17M	0.1%	+1.3%	0.854%
2/17/2025	Two Sigma Investments LP	921,439	$32.21M	0.1%	+0.3%	0.584%
2/17/2025	Tidal Investments LLC	17,407	$609K	0.0%	-7.9%	0.011%
2/17/2025	Teza Capital Management LLC	8,525	$298K	0.0%	-19.6%	0.005%
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2/17/2025	Tanaka Capital Management Inc.	6,892	$241K	0.6%	-52.5%	0.004%
2/17/2025	Tema Etfs LLC	56,844	$1.99M	0.8%	N/A	0.036%
2/17/2025	Silvercrest Asset Management Group LLC	6,617	$231K	0.0%	N/A	0.004%
2/17/2025	Rafferty Asset Management LLC	237,337	$8.30M	0.0%	+19.4%	0.150%
2/17/2025	Raiffeisen Bank International AG	1,754	$62K	0.0%	N/A	0.001%
2/17/2025	ProShare Advisors LLC	7,480	$262K	0.0%	-13.4%	0.005%
2/17/2025	Nuveen Asset Management LLC	290,954	$10.17M	0.0%	-96.9%	0.184%
2/17/2025	OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC	60,580	$2.12M	0.2%	+63.9%	0.038%
2/17/2025	Orbimed Advisors LLC	2,817,347	$98.49M	2.2%	+21.2%	1.784%
2/17/2025	Millennium Management LLC	774,215	$27.07M	0.0%	+79.7%	0.490%
2/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	9,450	$330K	0.0%	+20.8%	0.006%
2/17/2025	J. Goldman & Co LP	607,499	$21.24M	0.6%	+17.1%	0.385%
2/17/2025	Jacobs Levy Equity Management Inc.	281,813	$9.85M	0.0%	-56.7%	0.178%
2/17/2025	Janus Henderson Group PLC	63,877	$2.23M	0.0%	+8.3%	0.040%
2/17/2025	Hudson Bay Capital Management LP	821,200	$28.71M	0.1%	+7.1%	0.520%
2/17/2025	Focus Partners Wealth	7,555	$282K	0.0%	+32.6%	0.005%
2/17/2025	Ensign Peak Advisors Inc	53,320	$1.86M	0.0%	-23.7%	0.034%
2/17/2025	D. E. Shaw & Co. Inc.	23,123	$808K	0.0%	-84.1%	0.015%
2/17/2025	Driehaus Capital Management LLC	180,002	$6.29M	0.1%	-21.7%	0.114%
2/17/2025	Deep Track Capital LP	1,933,928	$67.61M	2.5%	-12.1%	1.225%
2/17/2025	Caption Management LLC	5,417	$189K	0.0%	-93.5%	0.003%
2/17/2025	Brevan Howard Capital Management LP	21,366	$747K	0.0%	-25.0%	0.014%
2/17/2025	Bridgefront Capital LLC	21,802	$762K	0.3%	+94.7%	0.014%
2/17/2025	Bellevue Group AG	7,868,700	$275.09M	5.3%	-0.1%	4.983%
2/17/2025	Alyeska Investment Group L.P.	150,000	$5.24M	0.0%	-11.2%	0.095%
2/17/2025	Allostery Investments LP	65,000	$2.27M	2.4%	N/A	0.041%
2/14/2025	BlueCrest Capital Management Ltd	26,200	$916K	0.0%	N/A	0.017%
2/14/2025	Comerica Bank	7,393	$258K	0.0%	-30.4%	0.005%
2/14/2025	PDT Partners LLC	28,994	$1.01M	0.1%	+116.4%	0.018%
2/14/2025	Schonfeld Strategic Advisors LLC	371,381	$12.98M	0.1%	+2.3%	0.235%
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2/14/2025	Northern Trust Corp	840,271	$29.38M	0.0%	+13.1%	0.532%
2/14/2025	The Manufacturers Life Insurance Company	286,279	$10.01M	0.0%	-7.3%	0.181%
2/14/2025	Quarry LP	6,000	$210K	0.0%	N/A	0.004%
2/14/2025	Aquatic Capital Management LLC	230,016	$8.04M	0.2%	N/A	0.146%
2/14/2025	Susquehanna Fundamental Investments LLC	213,015	$7.45M	0.1%	N/A	0.135%
2/14/2025	Ghisallo Capital Management LLC	100,000	$3.50M	0.2%	-75.0%	0.063%
2/14/2025	Virtus ETF Advisers LLC	9,448	$330K	0.1%	+18.0%	0.006%
2/14/2025	Adage Capital Partners GP L.L.C.	275,000	$9.61M	0.0%	-45.0%	0.174%
2/14/2025	Syon Capital LLC	10,119	$354K	0.0%	N/A	0.006%
2/14/2025	T. Rowe Price Investment Management Inc.	14,169,199	$495.36M	0.3%	+0.0%	8.974%
2/14/2025	Price T Rowe Associates Inc. MD	3,826,939	$133.79M	0.0%	-9.1%	2.424%
2/14/2025	Eversept Partners LP	214,952	$7.52M	0.7%	-54.4%	0.136%
2/14/2025	Hsbc Holdings PLC	83,055	$2.93M	0.0%	N/A	0.053%
2/14/2025	Stifel Financial Corp	211,493	$7.39M	0.0%	+15.9%	0.134%
2/14/2025	Tower Research Capital LLC TRC	14,157	$495K	0.0%	+229.2%	0.009%
2/14/2025	Natixis	16,626	$581K	0.0%	N/A	0.011%
2/14/2025	Capital World Investors	11,465,413	$400.83M	0.1%	+46.5%	7.261%
2/14/2025	Commerce Bank	13,584	$475K	0.0%	-82.5%	0.009%
2/13/2025	CANADA LIFE ASSURANCE Co	39,214	$1.37M	0.0%	-1.6%	0.025%
2/13/2025	Canada Pension Plan Investment Board	19,900	$696K	0.0%	+77.7%	0.013%
2/13/2025	Marshall Wace LLP	812,306	$28.40M	0.0%	-57.7%	0.514%
2/13/2025	Jump Financial LLC	39,737	$1.39M	0.0%	-98.0%	0.025%
2/13/2025	Guggenheim Capital LLC	35,373	$1.24M	0.0%	-4.8%	0.022%
2/13/2025	XTX Topco Ltd	25,362	$887K	0.1%	+50.9%	0.016%
2/13/2025	Mariner LLC	27,661	$967K	0.0%	+19.6%	0.018%
2/13/2025	Granite Investment Partners LLC	73,866	$2.58M	0.1%	-13.9%	0.047%
2/13/2025	Kennedy Capital Management LLC	223,278	$7.81M	0.2%	+37.8%	0.141%
2/13/2025	Treasurer of the State of North Carolina	68,803	$2.41M	0.0%	+0.6%	0.044%
2/13/2025	Raymond James Financial Inc.	105,619	$3.69M	0.0%	N/A	0.067%
2/13/2025	Renaissance Technologies LLC	205,514	$7.19M	0.0%	+7.9%	0.130%
2/13/2025	Legal & General Group Plc	168,080	$5.88M	0.0%	-1.9%	0.106%
2/13/2025	Envestnet Asset Management Inc.	52,688	$1.84M	0.0%	-10.4%	0.033%
2/13/2025	Rhenman & Partners Asset Management AB	212,500	$7.43M	0.8%	+9.0%	0.135%
2/13/2025	Orion Investment Co	216,000	$7.55M	3.0%	-1.2%	0.137%
2/12/2025	Landscape Capital Management L.L.C.	10,270	$359K	0.0%	-59.6%	0.007%
2/12/2025	Annis Gardner Whiting Capital Advisors LLC	10,736	$375K	0.1%	+8.1%	0.007%
2/12/2025	Huntington National Bank	951	$33K	0.0%	+193.5%	0.001%
2/12/2025	Groupama Asset Managment	1,017,191	$35.56M	0.3%	+11.0%	0.644%
2/12/2025	Trexquant Investment LP	84,913	$2.97M	0.0%	-35.1%	0.054%
2/12/2025	Tweedy Browne Co LLC	3,248,863	$113.58M	7.7%	-6.0%	2.058%
2/12/2025	Geode Capital Management LLC	2,687,248	$93.98M	0.0%	+0.7%	1.702%
2/12/2025	Nicollet Investment Management Inc.	19,786	$692K	0.2%	-3.0%	0.013%
2/12/2025	Franklin Resources Inc.	13,301	$465K	0.0%	+31.0%	0.008%
2/12/2025	Clearbridge Investments LLC	1,618,220	$56.57M	0.0%	-4.9%	1.025%
2/12/2025	CIBC Private Wealth Group LLC	1,125	$38K	0.0%	-53.6%	0.001%
2/12/2025	California Public Employees Retirement System	192,130	$6.72M	0.0%	-9.3%	0.122%
2/12/2025	Schroder Investment Management Group	100,659	$3.52M	0.0%	-98.0%	0.064%
2/12/2025	Pictet Asset Management Holding SA	620,798	$21.70M	0.0%	-52.4%	0.393%
2/12/2025	Norges Bank	1,714,762	$59.95M	0.0%	N/A	1.086%
2/12/2025	Blair William & Co. IL	39,882	$1.39M	0.0%	-14.5%	0.025%
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2/12/2025	NEOS Investment Management LLC	56,844	$1.99M	0.0%	-4.1%	0.036%
2/12/2025	Artisan Partners Limited Partnership	252,635	$8.83M	0.0%	-88.7%	0.160%
2/11/2025	EntryPoint Capital LLC	6,382	$223K	0.1%	N/A	0.004%
2/11/2025	Vanguard Group Inc.	16,472,539	$575.88M	0.0%	+9.4%	10.432%
2/11/2025	Stevens Capital Management LP	5,860	$205K	0.1%	N/A	0.004%
2/11/2025	LPL Financial LLC	40,376	$1.41M	0.0%	-5.3%	0.026%
2/11/2025	Harbor Advisors LLC	10,500	$367K	0.1%	+90.9%	0.007%
2/11/2025	KLP Kapitalforvaltning AS	29,200	$1.02M	0.0%	N/A	0.018%
2/11/2025	Sector Gamma AS	235,842	$8.25M	2.8%	+11.9%	0.149%
2/11/2025	Teacher Retirement System of Texas	65,792	$2.30M	0.0%	+16.0%	0.042%

(Data available from 1/1/2016 forward)

IONS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of IONS shares?: During the previous two years, 294 institutional investors and hedge funds held shares of Ionis Pharmaceuticals. The most heavily invested institutionals were FMR LLC ($975.19M), Vanguard Group Inc. ($575.88M), T. Rowe Price Investment Management Inc. ($495.36M), Capital World Investors ($400.83M), Bellevue Group AG ($275.09M), Wellington Management Group LLP ($233.57M), and Price T Rowe Associates Inc. MD ($133.79M).Learn more on IONS's institutional investors.
What percentage of Ionis Pharmaceuticals stock is owned by institutional investors?: 93.86% of Ionis Pharmaceuticals stock is owned by institutional investors. Learn more on IONS's institutional investor holdings.
Which institutional investors have been buying Ionis Pharmaceuticals stock?: Of the 225 institutional investors that purchased Ionis Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Capital World Investors ($4.48M), Wellington Management Group LLP ($3.70M), Norges Bank ($2.89M), BVF Inc. IL ($1.72M), Vanguard Group Inc. ($1.42M), Adage Capital Partners GP L.L.C. ($1.07M), and Pictet Asset Management SA ($739.46K).

How much institutional buying is happening at Ionis Pharmaceuticals?: Institutional investors have bought a total of 29,148,130 shares in the last 24 months. This purchase volume represents approximately $1.19B in transactions.
Which Ionis Pharmaceuticals major shareholders have been selling company stock?: Of the 155 institutional investors that sold Ionis Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Nuveen Asset Management LLC ($9.01M), Schroder Investment Management Group ($4.83M), New York State Common Retirement Fund ($3.53M), Clearbridge Investments LLC ($3.35M), Jump Financial LLC ($2.02M), Artisan Partners Limited Partnership ($1.99M), and BVF Inc. IL ($1.58M).
How much institutional selling is happening at Ionis Pharmaceuticals?: Institutional investors have sold a total of 44,161,159 shares in the last 24 months. This volume of shares sold represents approximately $1.73B in transactions.

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This page (NASDAQ:IONS) was last updated on 3/4/2025 by MarketBeat.com Staff

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Ionis Pharmaceuticals (IONS) Institutional Ownership

IONS Institutional Buying and Selling by Quarter

Ionis Pharmaceuticals Major Shareholders & Ownership History

IONS Institutional Ownership - Frequently Asked Questions

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Ionis Pharmaceuticals (IONS) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Ionis Pharmaceuticals (NASDAQ:IONS)

IONS Institutional Buying and Selling by Quarter

Ionis Pharmaceuticals Major Shareholders & Ownership History

IONS Institutional Ownership - Frequently Asked Questions

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