I
Ionis Pharmaceuticals, Inc. (IONS)
NMS – Real Time Price. Currency in USD
75.83
+0.45 (0.60%)
At close: May 12, 2026, 4:00 PM EDT
75.48
-0.35 (-0.46%)
Pre-market: May 13, 2026, 8:32 AM EDT
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NMS – Real Time Price. Currency in USD
75.83
+0.45 (0.60%)
At close: May 12, 2026, 4:00 PM EDT
75.48
-0.35 (-0.46%)
Pre-market: May 13, 2026, 8:32 AM EDT
| Breakdown | |
|---|---|
| 0.66% | % of Shares Held by All Insider |
| 106.30% | % of Shares Held by Institutions |
| 107.00% | % of Float Held by Institutions |
| 693 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Vanguard Portfolio Management LLC | 7.81M | 2026-03-31 | 4.73% | $592.15M |
| Vanguard Capital Management LLC | 7.12M | 2026-03-31 | 4.31% | $539.78M |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Fidelity Mt. Vernon Street Trust-Fidelity Growth Company Fund | 8.41M | 2026-03-31 | 5.09% | $637.91M |
| GROWTH FUND OF AMERICA | 7.67M | 2026-03-31 | 4.64% | $581.51M |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 5.13M | 2025-12-31 | 3.10% | $388.88M |
| NEW ECONOMY FUND | 4.72M | 2026-03-31 | 2.86% | $358.21M |
| SmallCap World Fund Inc | 4.22M | 2025-12-31 | 2.55% | $319.99M |
| T. Rowe Price Mid-Cap Growth Fund, Inc. | 3.98M | 2025-12-31 | 2.41% | $302.03M |
| VANGUARD SPECIALIZED FUNDS-Vanguard Health Care Fund | 3.80M | 2026-01-31 | 2.30% | $288.40M |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 3.68M | 2025-12-31 | 2.22% | $278.72M |
| Fidelity Mt. Vernon Street Trust-Fidelity Growth Company K6 Fund | 2.35M | 2026-03-31 | 1.42% | $177.97M |
| Fidelity Mt. Vernon Street Trust-Fidelity Series Growth Company Fund | 2.21M | 2026-03-31 | 1.34% | $167.71M |