NasdaqGS - Delayed Quote USD
Ionis Pharmaceuticals, Inc. (IONS)
32.60
+0.07
+(0.22%)
At close: May 14 at 4:00:00 PM EDT
Major Holders
| Breakdown | |
|---|---|
| 0.84% | % of Shares Held by All Insider |
| 105.57% | % of Shares Held by Institutions |
| 106.46% | % of Float Held by Institutions |
| 493 | Number of Institutions Holding Shares |
Top Institutional Holders
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| FMR, LLC | 23.61M | Mar 31, 2025 | 14.84% | 769,802,834 |
| Vanguard Group Inc | 16.38M | Mar 31, 2025 | 10.29% | 534,116,223 |
| T. Rowe Price Investment Management, Inc. | 14.17M | Dec 31, 2024 | 8.90% | 461,915,865 |
| Capital World Investors | 12.36M | Mar 31, 2025 | 7.77% | 403,000,985 |
| Blackrock Inc. | 11.26M | Mar 31, 2025 | 7.08% | 367,220,792 |
| Wellington Management Group, LLP | 8.42M | Mar 31, 2025 | 5.29% | 274,375,311 |
| Bellevue Group AG | 7.87M | Dec 31, 2024 | 4.94% | 256,519,607 |
| State Street Corporation | 5.43M | Dec 31, 2024 | 3.41% | 176,901,055 |
| Price (T.Rowe) Associates Inc | 3.83M | Dec 31, 2024 | 2.40% | 124,758,205 |
| Tweedy, Browne Co LLC | 3.25M | Dec 31, 2024 | 2.04% | 105,912,928 |
Top Mutual Fund Holders
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Fidelity Mt. Vernon Street Trust-Fidelity Growth Company Fund | 7.62M | Mar 31, 2025 | 4.79% | 248,460,757 |
| VANGUARD SPECIALIZED FUNDS-Vanguard Health Care Fund | 5.73M | Jan 31, 2025 | 3.60% | 186,905,962 |
| T. Rowe Price Mid-Cap Growth Fund, Inc. | 5.28M | Dec 31, 2024 | 3.32% | 172,033,451 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 4.79M | Dec 31, 2024 | 3.01% | 156,123,381 |
| SMALLCAP WORLD FUND INC | 4.46M | Mar 31, 2025 | 2.80% | 145,299,073 |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 3.82M | Dec 31, 2024 | 2.40% | 124,549,435 |
| NEW ECONOMY FUND | 3.22M | Mar 31, 2025 | 2.02% | 105,034,815 |
| Tweedy, Browne Fund Inc.-TWEEDY, BROWNE INTERNATIONAL VALUE FUND | 2.59M | Dec 31, 2024 | 1.63% | 84,411,697 |
| GROWTH FUND OF AMERICA | 2.4M | Mar 31, 2025 | 1.51% | 78,274,780 |
| Fidelity Mt. Vernon Street Trust-Fidelity Growth Company K6 Fund | 2.4M | Mar 31, 2025 | 1.51% | 78,255,481 |
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