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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.

13F holders, Q4 2025

Institutional positions in Geron Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
262
+1 vs. Q3 2025
Shares held
478.6M
−28.4M (−5.6%) vs. Q3 2025
Total value
$631.7M
−$62.9M (−9.1%) vs. Q3 2025
New holders
30
65 more added
Sold out
29
98 more reduced

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GERN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 262 institutions
Q1 2021: 146 institutionsQ2 2021: 145 institutionsQ3 2021: 139 institutionsQ4 2021: 147 institutionsQ1 2022: 150 institutionsQ2 2022: 154 institutionsQ3 2022: 180 institutionsQ4 2022: 185 institutionsQ1 2023: 191 institutionsQ2 2023: 201 institutionsQ3 2023: 202 institutionsQ4 2023: 202 institutionsQ1 2024: 231 institutionsQ2 2024: 239 institutionsQ3 2024: 255 institutionsQ4 2024: 285 institutionsQ1 2025: 270 institutionsQ2 2025: 259 institutionsQ3 2025: 263 institutionsQ4 2025: 262 institutionsQ1 2026: 256 institutionsQ2 2026: 260 institutions
Value heldQ4 2025: $631.7M
Q1 2021: $225.3MQ2 2021: $181.6MQ3 2021: $179.0MQ4 2021: $156.5MQ1 2022: $247.1MQ2 2022: $299.0MQ3 2022: $447.8MQ4 2022: $509.1MQ1 2023: $706.4MQ2 2023: $1.10BQ3 2023: $786.9MQ4 2023: $830.0MQ1 2024: $1.43BQ2 2024: $1.97BQ3 2024: $2.31BQ4 2024: $1.73BQ1 2025: $811.6MQ2 2025: $725.4MQ3 2025: $694.7MQ4 2025: $631.7MQ1 2026: $740.7MQ2 2026: $610.5M
Institutions holding GERN and their total value by quarter
QuarterHoldersValue
Q2 2026260$610.5M
Q1 2026256$740.7M
Q4 2025262$631.7M
Q3 2025263$694.7M
Q2 2025259$725.4M
Q1 2025270$811.6M
Q4 2024285$1.73B
Q3 2024255$2.31B
Q2 2024239$1.97B
Q1 2024231$1.43B
Q4 2023202$830.0M
Q3 2023202$786.9M
Q2 2023201$1.10B
Q1 2023191$706.4M
Q4 2022185$509.1M
Q3 2022180$447.8M
Q2 2022154$299.0M
Q1 2022150$247.1M
Q4 2021147$156.5M
Q3 2021139$179.0M
Q2 2021145$181.6M
Q1 2021146$225.3M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Geron Corp; share changes are against Q3 2025.

Institutions holding GERN in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Dynamic Technology Lab Private Ltd111,281$147.0K0.03%+79,363+248.6%Added
Voya Investment Management LLC106,133$140.1K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.104,020$137.3K0.01%−7,815−7.0%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)103,230$136.3K0.00%00.0%Unchanged
DRW Securities, LLC103,202$136.2K0.01%−3,436−3.2%Reduced
KLP Kapitalforvaltning AS100,200$132.3K0.00%00.0%Unchanged
Global Retirement Partners, LLC100,000$132.0K0.00%+40,000+66.7%Added
Cambridge Investment Research Advisors, Inc.95,740$126.0K0.00%−41,285−30.1%Reduced
Lazari Capital Management, Inc.93,924$124.0K0.04%−9,000−8.7%Reduced
Wealth Enhancement Advisory Services, LLC92,267$121.8K0.00%−1,572−1.7%Reduced
Mercer Global Advisors Inc91,619$120.9K0.00%+46,801+104.4%Added
Advisor Group Holdings, Inc.90,283$119.2K0.00%−1,276−1.4%Reduced
Credit Agricole S A82,100$108.4K0.00%+11,000+15.5%Added
Poehling Capital Management, LLC76,201$100.6K0.02%00.0%Unchanged
Great West Life Assurance Co75,160$99.0K0.00%−79,832−51.5%Reduced
BNP Paribas Arbitrage, SA71,628$94.5K0.00%−39,166−35.4%Reduced
Pictet Asset Management Holding SA71,528$94.4K0.00%00.0%Unchanged
Teacher Retirement System of Texas70,761$93.4K0.00%−46,762−39.8%Reduced
Victory Capital Management Inc69,926$92.3K0.00%+302+0.4%Added
Tower Research Capital LLC (TRC)65,807$86.9K0.00%−68,430−51.0%Reduced
Lazard Asset Management LLC64,879$85.6K0.00%00.0%Unchanged
Tiaa Trust, National Association58,250$76.9K0.00%00.0%Unchanged
Cetera Investment Advisers57,782$76.3K0.00%+3,361+6.2%Added
Public Employees Retirement Association of Colorado54,913$72.0K0.00%00.0%Unchanged
Forefront Analytics, LLC51,320$67.7K0.06%−938−1.8%Reduced
Mariner, LLC49,804$65.7K0.00%−27,838−35.9%Reduced
Ameritas Investment Partners, Inc.45,637$60.2K0.00%00.0%Unchanged
Brevan Howard Capital Management LP44,613$58.9K0.00%−224,915−83.4%Reduced
AQR Capital Management LLC44,386$58.6K0.00%−373,510−89.4%Reduced
Pinnacle Associates Ltd44,287$58.5K0.00%00.0%Unchanged
Pinnacle Wealth Management Advisory Group, LLC44,287$58.5K0.00%00.0%Unchanged
Abel Hall, LLC43,627$57.6K0.01%+43,627New
Farallon Capital Management, L.L.C.43,000$56.8K0.00%00.0%Unchanged
Xponance, Inc.42,921$56.7K0.00%+376+0.9%Added
Northwestern Mutual Wealth Management Co40,000$52.8K0.00%−2,050−4.9%Reduced
Flagship Harbor Advisors, LLC39,405$52.0K0.00%+5,680+16.8%Added
Royal Bank of Canada39,264$52.0K0.00%−211,817−84.4%Reduced
Alternative Investment Advisors, LLC.39,278$51.8K0.02%00.0%Unchanged
Wedbush Securities Inc38,661$51.0K0.00%−6,000−13.4%Reduced
Caitong International Asset Management Co., Ltd38,319$50.6K0.01%+37,581+5,092.3%Added
Aigen Investment Management, LP37,355$49.3K0.01%+5,696+18.0%Added
Atom Investors LP37,341$49.3K0.00%+21,588+137.0%Added
Guggenheim Capital LLC36,981$48.8K0.00%+244+0.7%Added
Prudential Financial Inc36,422$48.1K0.00%−39,847−52.2%Reduced
Two Sigma Securities, LLC36,196$47.8K0.01%+36,196New
CIBC World Markets Corp36,138$47.7K0.00%+36,138New
CI Private Wealth, LLC35,617$47.5K0.00%+212+0.6%Added
Mackenzie Financial Corp34,225$45.8K0.00%−4,249−11.0%Reduced
Simplex Trading, LLC34,599$45.7K0.00%−29,003−45.6%Reduced
Polymer Capital Management (US) LLC34,232$45.2K0.01%−11,755−25.6%Reduced
SEI Investments Co34,051$45.0K0.00%−22−0.1%Reduced
IHT Wealth Management, LLC33,750$44.5K0.00%00.0%Unchanged
Twin Peaks Wealth Advisors, LLC27,444$44.2K0.01%−200−0.7%Reduced
Principal Financial Group Inc32,806$43.3K0.00%−8,985−21.5%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH32,727$43.2K0.00%00.0%Unchanged
Stifel Financial Corp31,762$41.9K0.00%−38,031−54.5%Reduced
Franklin Resources Inc31,399$41.4K0.00%−1,767−5.3%Reduced
Mirae Asset Global Investments Co., Ltd.31,020$40.9K0.00%+6,354+25.8%Added
Sanctuary Advisors, LLC30,547$40.3K0.00%+1,807+6.3%Added
Voleon Capital Management LP29,590$39.1K0.00%+29,590New
Bank of Montreal29,072$38.4K0.00%00.0%Unchanged
Amundi28,423$37.5K0.00%+28,423New
Elmwood Wealth Management, Inc.28,200$37.2K0.01%−1,510−5.1%Reduced
Canada Pension Plan Investment Board28,000$37.0K0.00%+28,000New
JustInvest LLC27,114$35.8K0.00%−3,817−12.3%Reduced
Sowell Financial Services LLC27,039$35.7K0.00%+39+0.1%Added
Summit Financial Strategies, Inc.27,000$35.6K0.00%00.0%Unchanged
Gsa Capital Partners LLP26,879$35.0K0.00%−17,551−39.5%Reduced
Swiss Life Asset Management Ltd26,371$34.8K0.00%00.0%Unchanged
Savant Capital, LLC25,950$34.3K0.00%−100−0.4%Reduced
High Net Worth Advisory Group LLC25,500$33.7K0.01%00.0%Unchanged
StoneCrest Wealth Management, Inc.25,000$33.0K0.01%00.0%Unchanged
Vistica Wealth Advisors, LLC25,000$33.0K0.03%+25,000New
Paces Ferry Wealth Advisors, LLC23,500$31.0K0.01%00.0%Unchanged
Chicago Partners Investment Group LLC21,760$30.0K0.00%+1,236+6.0%Added
LCM Capital Management Inc22,400$29.6K0.01%+10,000+80.6%Added
55 North Private Wealth, LLC21,753$28.7K0.01%+21,753New
Jasper Ridge Partners, L.P.20,995$27.7K0.00%−11,477−35.3%Reduced
Frisch Financial Group, Inc.19,025$25.1K0.01%00.0%Unchanged
Sagewood Asset Management LP19,017$25.1K0.01%+19,017New
Amalgamated Bank17,162$23.0K0.00%−3,320−16.2%Reduced
Financial Advisory Corp17,270$23.0K0.01%00.0%Unchanged
CIBC Asset Management Inc17,209$22.7K0.00%00.0%Unchanged
Signaturefd, LLC17,002$22.4K0.00%+2,748+19.3%Added
Cerity Partners LLC16,808$22.2K0.00%−1,677−9.1%Reduced
Allied Investment Advisors, LLC15,959$21.1K0.00%00.0%Unchanged
Eventide Asset Management, LLC15,428$20.7K0.00%+15,428New
Commonwealth Equity Services, LLC15,565$20.6K0.00%−275−1.7%Reduced
Csenge Advisory Group15,474$20.4K0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC15,324$20.2K0.00%−748,187−98.0%Reduced
Blueshift Asset Management, LLC15,308$20.2K0.01%+15,308New
Country Trust Bank15,000$19.8K0.00%00.0%Unchanged
Jump Financial, LLC14,385$19.0K0.00%+14,385New
Harbour Investments, Inc.14,247$18.8K0.00%+1,082+8.2%Added
Captrust Financial Advisors13,579$17.9K0.00%−1,106−7.5%Reduced
Pathstone Holdings, LLC12,537$16.5K0.00%−3,431−21.5%Reduced
Seelaus Asset Management LLC12,500$16.5K0.01%00.0%Unchanged
Piscataqua Savings Bank12,500$16.4K0.01%00.0%Unchanged
J.W. Cole Advisors, Inc.12,300$16.2K0.00%−3,930−24.2%Reduced
GF Fund Management Co. Ltd.12,153$16.0K0.00%−1,574−11.5%Reduced