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Geron Corp

GERN
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0000886744

No open-market purchases or sales by Geron Corp insiders were filed in the last 90 days; 260 institutions reported holding it in 13F filings for Q2 2026, worth $610.5M in total; no superinvestor holds it.

Q3 2025 vs. Q2 2025

How the institutions holding Geron Corp changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of GERN: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders2592263+6
Shares514.5M167.0K507.1M−7.20M (−1.4%)
Value$725.4M$235.5K$694.7M−$30.4M (−4.2%)

2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (35)

Institutions that held Geron Corp at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to GERN in Q3 2025
InstitutionSharesValue% of portfolio
Nantahala Capital Management, LLC9,025,000$12.4M0.76%
Pale Fire Capital SE2,281,754$3.13M0.34%
Two Sigma Investments, LP1,852,018$2.54M0.00%
SRS Capital Advisors, Inc.1,394,080$1.93M0.03%
Almitas Capital LLC946,323$1.30M0.30%
Aquatic Capital Management LLC437,875$599.9K0.01%
Two Sigma Advisers, LP385,546$528.2K0.00%
Empire Financial Management Company, LLC370,000$506.9K0.12%
Y-Intercept (Hong Kong) Ltd124,796$171.0K0.00%
SG Americas Securities, LLC113,333$155.0K0.00%
Winton Group Ltd87,300$119.6K0.00%
Credit Agricole S A71,100$97.4K0.00%
CIBC Bancorp USA Inc.58,230$79.8K0.00%
Man Group plc57,011$78.1K0.00%
Forefront Wealth Partners, LLC52,258$71.6K0.02%
ExodusPoint Capital Management, LP47,035$64.4K0.00%
Capstone Investment Advisors, LLC38,913$53.3K0.00%
Franklin Resources Inc33,166$45.4K0.00%
Aigen Investment Management, LP31,659$43.4K0.01%
Fisher Asset Management, LLC27,209$37.3K0.00%
Atom Investors LP15,753$21.6K0.00%
LCM Capital Management Inc12,400$17.0K0.01%
GTS Securities LLC11,645$16.0K0.00%
Axim Planning & Wealth10,600$14.5K0.01%
Onyx Bridge Wealth Group LLC10,000$13.7K0.00%
Rockefeller Capital Management L.P.9,500$13.0K0.00%
Clear Street Markets LLC4,916$6.74K0.00%
Sunbelt Securities, Inc.4,195$5.75K0.00%
Groupe la Francaise2,500$2.79K0.00%
Curio Wealth, LLC2,000$2.74K0.00%
TFC Financial Management1,000$1.37K0.00%
Quadrant Capital Group LLC656$8990.00%
Advisory Services Network, LLC87$1190.00%
Root Financial Partners, LLC3$40.00%
Virtue Capital Management, LLC952––

Sold out (29)

Institutions that held Geron Corp at the end of Q2 2025 and filed for Q3 2025 without it.

Not filed for Q3 2025 yet (2)

Institutions that held Geron Corp at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding GERN in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
E Fund Management Co., Ltd.92,238$130.1K
CIBC World Markets Corp74,800$105.5K