Ionis PharmaceuticalsIONS

13F holders, Q1 2024 (March 31)
361holders
7famous investors
$43.40avg. 13F price*

At the end of Q1 2024, 361 institutions reported holding Ionis Pharmaceuticals Inc. (IONS) in their 13F filings. The largest holders were FMR LLC ($947.7M), Vanguard Group Inc. ($582.2M) and T. Rowe Price Investment Management, Inc. ($577.3M). 7 famous investors held it, including Cathie Wood (0.4% of ARK Investment Management's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Ionis Pharmaceuticals Inc.
CUSIP
462222100
Latest filing quarter
Q2 2026

History

Number of 13F holders

0200400600 Q1 2024: 361Q1 2024Q2 2024: 357Q2 2024Q3 2024: 354Q3 2024Q4 2024: 355Q4 2024Q1 2025: 344Q1 2025Q2 2025: 362Q2 2025Q3 2025: 436Q3 2025Q4 2025: 494Q4 2025Q1 2026: 497Q1 2026Q2 2026: 515Q2 2026

Total Exit/New Position Q1 2024

InstitutionsTotal Value
New Positions47$82.3M
Exits49$69.8M

Ownership 361 holders

FMR LLC 0.06% Add +1.6% 21,862,735 $947.7M
Vanguard Group Inc. 0.01% Reduce -5.4% 13,430,456 $582.2M
T. Rowe Price Investment Management, Inc. 0.35% Add +0.9% 13,317,112 $577.3M
BlackRock Inc. 0.01% Add +7.9% 9,771,891 $423.6M
Bellevue Group AG 5.49% Reduce -4.8% 8,299,514 $359.8M
Wellington Management Group LLP 0.04% Add +23.4% 5,695,699 $246.9M
Clearbridge Investments, LLC 0.15% Reduce -5.1% 4,466,191 $193.6M
State Street Corp. 0.01% Add +3.7% 4,155,664 $180.1M
Pictet Asset Management Holding SA 0.18% Add +6.3% 3,739,757 $163.2M
T. Rowe Price Associates Inc. 0.02% Reduce -17.2% 3,522,203 $152.7M
Tweedy, Browne Co LLC 7.03% No change 3,454,676 $149.8M
Macquarie Group Ltd. 0.16% Add +3.6% 3,200,578 $138.7M
BVF Inc. 2.89% No change 2,428,613 $105.3M
Geode Capital Management, LLC 0.01% Add +3.9% 2,364,256 $102.5M
Orbimed Advisors LLC 1.60% Reduce -2.5% 2,013,033 $87.3M
ARK Investment Management 0.42% Reduce -26.5% 1,399,852 $60.7M
Deep Track Capital, LP 1.71% Add +10.0% 1,373,475 $59.5M
Charles Schwab Investment Management Inc. 0.01% Add +2.0% 1,301,368 $56.4M
Norges Bank 0.01% Add +5.5% 1,236,998 $53.6M
Morgan Stanley 0.00% Add +6.7% 1,163,598 $50.4M
Two Sigma Investments, LP 0.12% Add +35.2% 1,083,879 $47.0M
Two Sigma Advisers, LP 0.10% Add +33.9% 1,040,111 $45.1M
Adage Capital Partners Gp, L.L.C. 0.08% Reduce -27.8% 1,000,000 $43.4M
Candriam S.C.A. 0.26% Add +45.0% 911,897 $39.5M
TD Asset Management Inc 0.04% Reduce -6.1% 898,362 $38.9M
Capital World Investors 0.01% No change 839,463 $36.4M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.09% Add +129.2% 778,593 $33.8M
Squarepoint Ops LLC 0.13% Add +1158.7% 745,173 $32.3M
Farallon Capital Management, L.L.C. 0.19% Reduce -52.8% 734,000 $31.8M
Royal Bank of Canada 0.01% Reduce -5.4% 732,237 $31.7M
Northern Trust Corp. 0.01% Add +0.6% 692,247 $30.0M
JPMorgan Chase & Co. 0.00% Reduce -33.0% 630,979 $27.4M
Bank of America Corp. 0.00% Add +33.2% 606,298 $26.3M
Wells Fargo & Company 0.01% Reduce -1.7% 584,158 $25.3M
Bank of New York Mellon Corp 0.00% Reduce -9.0% 583,589 $25.3M
Millennium Management 0.02% Reduce -34.5% 583,179 $25.3M
Barclays PLC 0.01% Reduce -10.4% 577,387 $25.0M
Jacobs Levy Equity Management, Inc. 0.11% Add +12.2% 571,763 $24.8M
Nomura Holdings Inc. 0.17% Reduce -3.8% 470,837 $20.4M
AXA S.A. 0.06% Add +0.0% 464,815 $20.1M
Pinnacle Associates Ltd. 0.31% Add +0.2% 459,758 $19.9M
Invesco Ltd. 0.00% Add +115.1% 442,887 $19.2M
Nuveen Asset Management, LLC 0.01% Add +30.6% 423,030 $18.3M
First Turn Management, LLC 2.73% Add +18.2% 421,487 $18.3M
Artisan Partners Limited Partnership 0.03% New 416,729 $18.1M
Groupama Asset Managment 0.31% Reduce -27.8% 257,868 $17.0M
Eversept Partners, LP 1.22% Add +15.9% 376,438 $16.3M
Hudson Bay Capital Management LP 0.15% Add +131.4% 335,500 $14.5M
C WorldWide Group Holding A/S 0.15% No change 300,000 $13.0M
Baillie Gifford & Co. 0.01% Reduce -0.9% 295,683 $12.8M
Cutter Capital Management, LP 4.84% New 289,366 $12.5M
Liontrust Investment Partners LLP 0.17% Add +1.6% 288,544 $12.5M
Point72 Asset Management 0.04% Reduce -70.4% 286,602 $12.4M
Verition Fund Management LLC 0.13% Add +100.2% 285,947 $12.4M
Cubist Systematic Strategies, LLC 0.14% Add +39.3% 277,791 $12.0M
Assenagon Asset Management S.A. 0.03% Add +47.1% 271,263 $11.8M
Zimmer Partners, LP 0.25% New 270,300 $11.7M
Corient Private Wealth LP 0.02% Reduce -0.0% 267,291 $11.6M
Swiss National Bank 0.01% Add +0.2% 254,900 $11.0M
Man Group plc 0.03% Add +222.7% 253,221 $11.0M
Kennedy Capital Management LLC 0.22% Add +9.2% 249,527 $10.8M
Manufacturers Life Insurance Company, The 0.01% Reduce -6.0% 245,067 $10.6M
Bank of Montreal 0.00% Reduce -0.3% 222,818 $10.5M
Stifel Financial Corp. 0.01% Reduce -1.4% 242,459 $10.5M
J. Goldman & Co LP 0.45% New 231,424 $10.0M
Privium Fund Management B.V. 2.87% Add +4.4% 226,993 $9.8M
Citigroup Inc. 0.01% Add +122.4% 222,943 $9.7M
Sumitomo Mitsui Trust Group, Inc. 0.01% Reduce -12.8% 220,261 $9.5M
Amova Asset Management Americas, Inc. 0.09% Reduce -12.8% 220,261 $9.5M
Aberdeen Group plc 0.02% Add +60.8% 219,421 $9.5M
ExodusPoint Capital Management, LP 0.12% Add +819.3% 215,893 $9.4M
Rafferty Asset Management, LLC 0.03% Add +13.1% 208,469 $9.0M
California Public Employees Retirement System 0.01% Reduce -2.6% 203,945 $8.8M
Goldman Sachs Group Inc. 0.00% Reduce -47.5% 200,380 $8.7M
Altrinsic Global Advisors LLC 0.38% Reduce -6.8% 194,864 $8.4M
BNP Paribas Financial Markets 0.01% Reduce -45.2% 194,359 $8.4M
Sicart Associates LLC 3.08% Reduce -0.1% 193,993 $8.4M
Jefferies Financial Group Inc. 0.18% Reduce -4.6% 193,080 $8.4M
Voloridge Investment Management, LLC 0.03% Reduce -27.6% 191,367 $8.3M
Alliancebernstein L.P. 0.00% Reduce -25.7% 191,155 $8.3M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% No change 186,327 $8.1M
Credit Suisse AG/ 0.01% Reduce -3.8% 182,509 $7.9M
Renaissance Technologies 0.01% Add +59.9% 179,714 $7.8M
Rhumbline Advisers 0.01% Reduce -10.0% 179,419 $7.8M
First Trust Advisors LP 0.01% Reduce -84.0% 175,858 $7.6M
Sector Gamma As 2.14% Add +21.0% 175,507 $7.6M
UBS Group AG 0.00% Add +7.5% 171,763 $7.4M
Schonfeld Strategic Advisors LLC 0.06% Reduce -45.5% 170,860 $7.4M
D. E. Shaw & Co. 0.01% Add +34.7% 160,482 $7.0M
Tocqueville Asset Management L.P. 0.11% Reduce -0.3% 159,380 $6.9M
Russell Investments Group, Ltd. 0.01% Reduce -2.8% 153,415 $6.7M
Sonora Investment Management Group, LLC 0.52% Add +1.0% 150,814 $6.5M
Tang Capital Management LLC 0.68% Reduce -25.0% 150,000 $6.5M
Legal & General Group Plc 0.00% Reduce -3.8% 149,488 $6.5M
BLB&B Advisors, LLC 0.36% Reduce -0.7% 146,100 $6.3M
Swedbank AB 0.01% Add +1.2% 142,641 $6.2M
Parkman Healthcare Partners LLC 0.75% Reduce -33.1% 141,499 $6.1M
Susquehanna International Group, LLP 0.01% Add +156.9% 139,061 $6.0M
Senator Investment Group LP 0.27% No change 135,000 $5.9M
New York State Common Retirement Fund 0.01% Add +26.0% 132,710 $5.8M

"% of holder's portfolio" is IONS's weight in each manager's 13F, not the share of Ionis Pharmaceuticals Inc. the manager owns.

Show all 361 holders