Who owns IONIS PHARMACEUTICALS INC (IONS)? Elite investor 13F holders
5 tracked elite investors reported holding IONIS PHARMACEUTICALS INC as of 2026-06-30, including Tweedy Browne, Renaissance Technologies LLC, D.E. Shaw, Gotham Asset Management, Ancora Advisors / Ancora Holdings. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.
5 tracked investors currently reported holding · Latest report period: 2026-06-30 · Health Care · Pharmaceuticals, Biotechnology & Life Sciences
Ionis Pharmaceuticals, Inc., a commercial-stage biotechnology company, provides RNA-targeted medicines in the United States. The company offers TRYNGOLZA reduces triglyceride levels in adults with familial chylomicronemia syndrome (FCS) and acute pancreatitis; DAWNZERA for prophylaxis to prevent attacks of hereditary angioedema in adults; WAINUA for the treatment of the polyneuropathy of…
Reported holders and securities, including exits (up to 20)
| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|---|---|---|---|---|---|---|---|---|---|
| Tweedy Browne | IONIS PHARMACEUTICALS INC | SHARE | 2026-06-30 | 2026-08-07 00:00:00 | 180805859.00 USD | 2280311.000000 | Shares | add | Original filing |
| Renaissance Technologies LLC | IONIS PHARMACEUTICALS INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 44355936.00 USD | 559414.000000 | Shares | add | Original filing |
| D.E. Shaw | IONIS PHARMACEUTICALS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 23552381.00 USD | 297041.000000 | Shares | reduce | Original filing |
| Gotham Asset Management | IONIS PHARMACEUTICALS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 9614071.00 USD | 121252.000000 | Shares | add | Original filing |
| Tudor Investment | IONIS PHARMACEUTICALS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | Original filing |
| Ancora Advisors / Ancora Holdings | IONIS PHARMACEUTICALS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 175627.00 USD | 2215.000000 | Shares | reduce | Original filing |
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