GERN · NASDAQ · Biotechnology

Geron (GERN)

Markets RYTELO, the only approved telomerase inhibitor, for transfusion-dependent low-risk MDS patients.

$1.25
vs last close−0.06 (−4.96%)

13F · 13D/G · Form 4

Institutions≈ 74.57%479.08M shares
267 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail
Insiders0.06%385.9K shares
7 holders · as of Jul 1, 2026
Other≈ 25.37%163.00M shares
remainder

642.47M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.

13F · 13D/G · Form 4

HolderStakeSharesDate
BlackRock, Inc.Institution
7.64%49.12Mas of Jun 30, 2026
Ra Capital Management, L.P.Institution
6.66%42.81Mas of Jun 30, 2026
Soleus Capital Management, L.P.Institution
6.66%42.81Mas of Jun 30, 2026
Soleus Capital Master Fund, L.P.Institution
6.46%41.51Mfiled May 8, 2026
State Street CorpInstitution
5.58%35.86Mas of Jun 30, 2026
Citadel Advisors LLCInstitution
4.52%29.04Mas of Jun 30, 2026
Vanguard Capital Management LLCInstitution
4.24%27.25Mas of Jun 30, 2026
Clearbridge Investments, LLCInstitution
3.06%19.65Mas of Jun 30, 2026
Eversept Partners, LPInstitution
2.91%18.72Mas of Jun 30, 2026
Goldman Sachs Group IncInstitution
2.59%16.63Mas of Jun 30, 2026
Geode Capital Management, LLCInstitution
2.27%14.56Mas of Jun 30, 2026
Morgan StanleyInstitution
2.01%12.95Mas of Jun 30, 2026
Nantahala Capital Management, LLCInstitution
1.90%12.23Mas of Jun 30, 2026
Vanguard Portfolio Management LLCInstitution
1.68%10.81Mas of Jun 30, 2026
Vivo Capital, LLCInstitution
1.35%8.67Mas of Jun 30, 2026
Millennium Management LLCInstitution
1.26%8.11Mas of Jun 30, 2026
Kynam Capital Management, LPInstitution
1.06%6.84Mas of Jun 30, 2026
Candriam S.C.A.Institution
0.87%5.59Mas of Jun 30, 2026
FMR LLCInstitution
0.86%5.50Mas of Jun 30, 2026
Pale Fire Capital SEInstitution
0.83%5.31Mas of Jun 30, 2026
Northern Trust CorpInstitution
0.78%5.03Mas of Jun 30, 2026
UBS Group AGInstitution
0.76%4.90Mas of Jun 30, 2026
Renaissance Technologies LLCInstitution
0.71%4.58Mas of Jun 30, 2026
Segall Bryant & Hamill, LLCInstitution
0.70%4.49Mas of Jun 30, 2026
Two Sigma Investments, LPInstitution
0.67%4.31Mas of Jun 30, 2026

13F, as of Jun 30, 2026

267 holders · 479.08M shares · 38 new positions · 133 increased · 65 reduced · 31 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.49.12M7.64%+1.80MAug 7, 2026
Ra Capital Management, L.P.42.81M6.66%−20.96MAug 14, 2026
Soleus Capital Management, L.P.42.81M6.66%+1.30MAug 11, 2026
State Street Corp35.86M5.58%+5.36MAug 7, 2026
Citadel Advisors LLC29.04M4.52%+7.46MSep 2, 2026
Vanguard Capital Management LLC27.25M4.24%+581.2KAug 13, 2026
Clearbridge Investments, LLC19.65M3.06%+28.5KAug 13, 2026
Eversept Partners, LP18.72M2.91%−117.5KAug 14, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
RA Capital Management, L.P.9.90%63.99M13GMay 15, 2025
Roderick Wong, M.D.incl. RTW Investments, LP7.30%44.11M13GNov 14, 2024
Soleus Capital Master Fund, L.P.6.50%41.51M13GMay 8, 2026
State Street Corporation5.60%35.86M13GAug 7, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Feb 18, 2026
Michelle Robertsonofficer: EVP, CHIEF FINANCIAL OFFICER
Sale9,855$1.9417,645

House and Senate disclosures

Not reported.