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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, Q3 2021

Institutional positions in Geron Corp as of Sep 30, 2021. 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
139
−4 vs. Q2 2021
Shares held
131.9M
+1.94M (+1.5%) vs. Q2 2021
Total value
$179.0M
−$2.57M (−1.4%) vs. Q2 2021
New holders
12
39 more added
Sold out
16
39 more reduced

2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 139 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 heldQ3 2021: $179.0M
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, Q3 2021

Shares, value and share of portfolio for each institution holding Geron Corp; share changes are against Q2 2021.

Institutions holding GERN in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.30,126,299$41.3M0.57%00.0%Unchanged
BlackRock Inc.25,511,801$35.0M0.00%+191,723+0.8%Added
Vanguard Group Inc15,424,465$21.1M0.00%−242,876−1.6%Reduced
NEA Management Company, LLC13,461,538$18.4M0.23%00.0%Unchanged
State Street Corp12,929,457$17.7M0.00%−679,262−5.0%Reduced
MPM Oncology Impact Management LP5,732,770$7.85M1.22%+5,732,770New
Geode Capital Management, LLC5,591,281$7.66M0.00%+413,994+8.0%Added
FMR LLC4,109,236$5.63M0.00%+300.0%Added
Northern Trust Corp3,170,905$4.34M0.00%+15,689+0.5%Added
Millennium Management LLC1,430,713$1.96M0.00%+531,552+59.1%Added
Bank of New York Mellon Corp1,118,339$1.53M0.00%+91,230+8.9%Added
Charles Schwab Investment Management Inc772,989$1.06M0.00%−1,408,234−64.6%Reduced
Alliancebernstein L.P.654,111$896.0K0.00%−18,100−2.7%Reduced
Swiss National Bank526,600$721.0K0.00%00.0%Unchanged
Goldman Sachs Group Inc485,862$666.0K0.00%+199,241+69.5%Added
UBS Group AG412,080$564.0K0.00%+365,575+786.1%Added
Alps Advisors Inc392,946$538.0K0.01%−26,663−6.4%Reduced
Rhumbline Advisers391,307$536.0K0.00%+9,007+2.4%Added
Rafferty Asset Management, LLC389,755$534.0K0.00%−55,339−12.4%Reduced
California State Teachers Retirement System359,054$492.0K0.00%−57,444−13.8%Reduced
Credit Suisse AG357,688$490.0K0.00%+34,714+10.7%Added
Morgan Stanley317,925$435.0K0.00%−200,307−38.7%Reduced
Citigroup Inc297,202$407.0K0.00%−421,852−58.7%Reduced
Cambridge Investment Research Advisors, Inc.284,471$390.0K0.00%−2,150−0.8%Reduced
UBS Asset Management Americas Inc276,819$379.2K0.00%00.0%Unchanged
Susquehanna International Group, LLP230,031$315.0K0.00%+937+0.4%Added
Gsa Capital Partners LLP226,098$310.0K0.03%+106,278+88.7%Added
Deutsche Bank AG210,827$289.0K0.00%−21,249−9.2%Reduced
SG Americas Securities, LLC207,370$284.0K0.00%+188,279+986.2%Added
HRT Financial LP199,712$273.0K0.00%+149,384+296.8%Added
Citadel Advisors LLC180,748$248.0K0.00%−32,788−15.4%Reduced
Manufacturers Life Insurance Company, The179,004$245.0K0.00%−9,733−5.2%Reduced
Advisor Group Holdings, Inc.175,079$240.0K0.00%+10,980+6.7%Added
Nisa Investment Advisors, LLC173,856$238.0K0.00%+122,466+238.3%Added
Dimensional Fund Advisors LP173,182$237.0K0.00%00.0%Unchanged
Price T Rowe Associates Inc172,573$236.0K0.00%+2,843+1.7%Added
American International Group, Inc.165,040$226.0K0.00%−3,921−2.3%Reduced
LPL Financial LLC155,499$213.0K0.00%+467+0.3%Added
Arnhold LLC154,700$212.0K0.02%00.0%Unchanged
New York State Common Retirement Fund146,736$201.0K0.00%−71,252−32.7%Reduced
Virtus ETF Advisers LLC146,618$201.0K0.09%−7,649−5.0%Reduced
State Board of Administration of Florida Retirement System138,412$190.0K0.00%00.0%Unchanged
JPMorgan Chase & Co137,767$188.0K0.00%+6,667+5.1%Added
Barclays PLC135,694$186.0K0.00%+87,409+181.0%Added
Group One Trading, L.P.129,818$178.0K0.00%−54,843−29.7%Reduced
Invesco Ltd.127,148$174.0K0.00%+13,582+12.0%Added
Voya Investment Management LLC119,573$164.0K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC108,293$148.0K0.00%+3,985+3.8%Added
ProShare Advisors LLC107,131$147.0K0.00%−28,336−20.9%Reduced
Legal & General Group Plc105,631$144.0K0.00%+47,215+80.8%Added
DekaBank Deutsche Girozentrale100,000$138.0K0.00%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.97,810$134.0K0.00%−100−0.1%Reduced
ExodusPoint Capital Management, LP90,947$125.0K0.00%+24,917+37.7%Added
Summit X, LLC84,077$114.0K0.03%−5,935−6.6%Reduced
Forefront Analytics, LLC82,336$113.0K0.04%+5,850+7.6%Added
Squarepoint Ops LLC70,915$97.0K0.00%−51,409−42.0%Reduced
Metropolitan Life Insurance Co69,753$95.6K0.00%+27,955+66.9%Added
Parametric Portfolio Associates LLC69,400$95.0K0.00%−98,520−58.7%Reduced
BNP Paribas Arbitrage, SA68,506$93.9K0.00%+34,204+99.7%Added
Arizona State Retirement System65,081$89.0K0.00%+142+0.2%Added
MetLife Investment Management62,775$86.0K0.00%−57,828−47.9%Reduced
Bank of America Corp61,332$84.0K0.00%−30,572−33.3%Reduced
Cubist Systematic Strategies, LLC60,000$82.0K0.00%−79,900−57.1%Reduced
Simplex Trading, LLC54,891$80.0K0.00%00.0%Unchanged
Poehling Capital Management, LLC53,000$73.0K0.02%+2,000+3.9%Added
Chicago Partners Investment Group LLC45,990$70.0K0.00%−5,461−10.6%Reduced
Victory Capital Management Inc44,722$61.0K0.00%−1,460−3.2%Reduced
Mercer Global Advisors Inc44,115$60.0K0.00%00.0%Unchanged
Amalgamated Bank40,600$56.0K0.00%−1,841−4.3%Reduced
Teacher Retirement System of Texas38,492$53.0K0.00%−2,643−6.4%Reduced
Dowling & Yahnke LLC39,047$53.0K0.00%00.0%Unchanged
Jane Street Group, LLC37,731$52.0K0.00%−75,223−66.6%Reduced
Raymond James & Associates37,700$52.0K0.00%00.0%Unchanged
Spire Wealth Management37,500$51.0K0.00%−20,000−34.8%Reduced
Pictet Asset Management SA37,400$51.0K0.00%+37,400New
Fort Sheridan Advisors LLC31,500$43.0K0.01%00.0%Unchanged
IHT Wealth Management, LLC29,850$41.0K0.00%00.0%Unchanged
Royal Bank of Canada29,073$40.0K0.00%+7,830+36.9%Added
Jump Financial, LLC26,600$36.0K0.00%+26,600New
Principal Financial Group Inc25,422$35.0K0.00%−9,376−26.9%Reduced
Tudor Investment Corp Et Al24,992$34.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.24,481$34.0K0.00%00.0%Unchanged
Janus Henderson Group PLC24,284$33.0K0.00%+24,284New
Prudential Financial Inc22,652$31.0K0.00%+2,050+10.0%Added
Tower Research Capital LLC (TRC)22,264$30.0K0.00%−50,012−69.2%Reduced
E Fund Management Co., Ltd.21,560$30.0K0.00%+21,560New
Vishria Bird Financial Group, LLC20,615$28.0K0.01%00.0%Unchanged
Wolverine Trading, LLC20,366$28.0K0.00%+5,801+39.8%Added
Eqis Capital Management, Inc.18,781$26.0K0.00%+535+2.9%Added
Mackenzie Financial Corp17,863$24.0K0.00%+7,558+73.3%Added
Dynamic Technology Lab Private Ltd17,282$24.0K0.00%+17,282New
Xponance, Inc.14,226$19.0K0.00%−2,203−13.4%Reduced
Wells Fargo & Company13,953$19.0K0.00%+236+1.7%Added
Facet Wealth, Inc.12,930$18.0K0.00%−325−2.5%Reduced
Wedbush Securities Inc13,100$18.0K0.00%00.0%Unchanged
Piscataqua Savings Bank12,500$17.0K0.01%00.0%Unchanged
Flagship Harbor Advisors, LLC12,123$17.0K0.00%00.0%Unchanged
Ameriprise Financial Inc12,560$17.0K0.00%+12,560New
Cetera Advisors LLC12,230$17.0K0.00%+12,230New
Two Sigma Securities, LLC11,315$16.0K0.00%+11,315New