Geron Corporation (GERN) ownership: RA Capital Management, L.P. 12% · institutions 78% · index and ETF funds 6% (13F 2026-06-30). Insider activity, 90 days: 0 sales, 0 open-market buys. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| CalSTRS | 693930.00 | $542.13M | 0.1% | 2026-06-30 |
| BlackRock | 49115571.00 | $62.87M | 7.6% | 2026-06-30 |
| RA Capital Management, L.P. | 42809751.00 | $54.80M | 6.7% | 2026-06-30 |
| Soleus Capital Management, L.P. | 42808659.00 | $54.80M | 6.7% | 2026-06-30 |
| Vanguard | 42754362.00 | $54.73M | 6.7% | 2026-06-30 |
| Deep Track Capital, LP | 31720278.00 | $47.26M | 4.9% | 2026-06-30 |
| State Street | 35856671.00 | $45.90M | 5.6% | 2026-06-30 |
| Citadel | 29038928.00 | $37.17M | 4.5% | 2026-06-30 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-30 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-04-13 | |
| Sell | null | 2026-03-31 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.