Geron
Markets RYTELO, the only approved telomerase inhibitor, for transfusion-dependent low-risk MDS patients.
$1.51
After-hours close+0.01 (+0.33%)
At close$1.51(−1.63%)
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Breakdown13F · Form 4
Institutions 77.50%497.19M sharesInsiders 0.06%385.9K sharesOther 22.44%143.94M shares
Shares outstanding 641.52M · Float 560.06M · 87.3% free float
Institutions13F, as of Mar 31, 2026
262 holders · 497.19M shares · 38 new positions · 126 increased · 58 reduced · 44 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Ra Capital Management, L.P. | 63.77M | 9.94% | 0 | May 15, 2026 |
| BlackRock, Inc. | 47.32M | 7.38% | +1.41M | May 13, 2026 |
| Soleus Capital Management, L.P. | 41.51M | 6.47% | +18.22M | May 14, 2026 |
| Deep Track Capital, LP | 31.72M | 4.94% | −791.0K | May 15, 2026 |
| State Street Corp | 30.50M | 4.75% | +3.63M | May 15, 2026 |
| Vanguard Capital Management LLC | 26.67M | 4.16% | +26.67Mnew | May 15, 2026 |
| Citadel Advisors LLC | 21.58M | 3.36% | +11.65M | May 15, 2026 |
| Point72 Asset Management, L.P. | 20.46M | 3.19% | +20.46Mnew | May 15, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| RA Capital Management, L.P. | 9.90% | 63.99M | 13G | May 15, 2025 ↗ |
| Roderick Wong, M.D.incl. RTW Investments, LP | 7.30% | 44.11M | 13G | Nov 14, 2024 ↗ |
| Soleus Capital Master Fund, L.P. | 6.50% | 41.51M | 13G | May 8, 2026 ↗ |
| State Street Corporation | 5.60% | 35.86M | 13G | Aug 7, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Robert J. Spiegel | director | 205.8K | 0.03% | Jul 1, 2026 |
| James Ziegler | officer: EVP, Chief Commercial Officer | 100.0K | 0.02% | Mar 3, 2025 |
| Scott Alan Samuels | officer: EVP, Chief Legal Officer | 26.7K | 0.00% | Mar 3, 2025 |
| Michelle Robertson | officer: EVP, CHIEF FINANCIAL OFFICER | 17.6K | 0.00% | Feb 19, 2026 |
| V. Bryan Lawlis | director | 13.3K | 0.00% | May 13, 2025 |
| John A. Scarlett | director, officer: Chairman, President and CEO | 12.5K | 0.00% | Mar 3, 2025 |
| Ahmed ElNawawi | officer: EVP, Chief Commercial Officer | 10.0K | 0.00% | Oct 20, 2025 |
4 ten-percent owners hold 4.89M shares by Form 4, outside the officers-and-directors figure above · 22 people have not refiled in the last 18 months (2.85M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Feb 18, 2026 | Michelle Robertsonofficer: EVP, CHIEF FINANCIAL OFFICER | Sale | 9,855 | $1.94 | 17,645 |
CongressHouse and Senate disclosures
Not reported.