Geron Corp. 13F holders
260 funds reported a position in Geron Corp. in their 13F for the quarter ended 30 June 2026, together 488.9 million shares worth $626.1 million. Against the quarter before, 32 opened a position, 94 added, 61 trimmed and 30 sold out; together they sold a net 19.6 million shares. The largest holders: BlackRock, Inc., Ra Capital Management, L.P. and Soleus Capital Management, L.P.
Funds holding260+4 on Q1 2026
Shares they held488.9Mworth $626.1 million
Net sold on the quarter19.6M sharesabout $25.1 million at the funds' values
Funds buying to selling126 to 91opened or added, to cut or sold
Opened 32Added 94Held 70Trimmed 61Sold out 30
What each fund did in GERN against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in GERN in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,241 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 48 reported a position in Geron Corp.: 2 opened one, 13 added, 7 trimmed and 4 sold out, a net 197,953 shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 7 reported a position in Geron Corp. in a 13F for the quarter ended 30 June 2026. The largest: Citadel Advisors, 29.0 million shares worth $37.2 million, 0.0% of its reported book. In the quarter, 5 funds added or opened a position and 2 trimmed or sold out; together they sold a net 3.2 million shares, about $4.1 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Citadel Advisors | 29,038,928 | $37.2 million | 0.0% | +7,462,359 | added | 30 June 2026 | 13F |
| Geode Capital Management | 14,555,954 | $18.6 million | 0.0% | +885,169 | added | 30 June 2026 | 13F |
| Millennium Management | 8,112,267 | $10.4 million | 0.0% | +790,745 | added | 30 June 2026 | 13F |
| FMR LLC | 5,502,807 | $7.0 million | 0.0% | -1,094,349 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 4,579,000 | $5.9 million | 0.0% | +2,779,479 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 4,308,013 | $5.5 million | 0.0% | +2,418,545 | added | 30 June 2026 | 13F |
| Point72 Asset Management | 4,045,201 | $5.2 million | 0.0% | -16,411,933 | trimmed | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 49,115,571 | 10.05% | $62.9 million | 0.00% | +1,795,792 | 13F |
| Ra Capital Management, L.P. | 42,809,751 | 8.76% | $54.8 million | 0.48% | -20,961,615 | 13F |
| Soleus Capital Management, L.P. | 42,808,659 | 8.76% | $54.8 million | 1.89% | +1,300,000 | 13F |
| State Street Corp. | 35,856,671 | 7.33% | $45.9 million | 0.00% | +5,359,488 | 13F |
| Citadel Advisors LLC | 29,038,928 | 5.94% | $37.2 million | 0.02% | +7,462,359 | 13F |
| Vanguard Capital Management LLC | 27,250,215 | 5.57% | $34.9 million | 0.00% | +581,186 | 13F |
| Nantahala Capital Management, LLC | 24,450,000 | 5.00% | $31.3 million | 0.95% | 13F | |
| Clearbridge Investments, LLC | 19,648,853 | 4.02% | $25.2 million | 0.02% | +28,533 | 13F |
| Eversept Partners, LP | 18,717,422 | 3.83% | $24.0 million | 1.31% | -117,461 | 13F |
| Goldman Sachs Group Inc. | 16,633,368 | 3.40% | $21.3 million | 0.00% | +5,456,777 | 13F |
| Geode Capital Management, LLC | 14,555,954 | 2.98% | $18.6 million | 0.00% | +885,169 | 13F |
| Morgan Stanley | 12,945,431 | 2.65% | $16.6 million | 0.00% | +280,312 | 13F |
| Vanguard Portfolio Management LLC | 10,812,598 | 2.21% | $13.8 million | 0.00% | +6,143,815 | 13F |
| Vivo Capital, LLC | 8,671,797 | 1.77% | $11.1 million | 1.01% | no change | 13F |
| Millennium Management LLC | 8,112,267 | 1.66% | $10.4 million | 0.01% | +790,745 | 13F |
| Kynam Capital Management, LP | 6,836,318 | 1.40% | $8.8 million | 0.48% | no change | 13F |
| Candriam S.C.A. | 5,589,182 | 1.14% | $7.1 million | 0.03% | +1,667,706 | 13F |
| FMR LLC | 5,502,807 | 1.13% | $7.0 million | 0.00% | -1,094,349 | 13F |
| Pale Fire Capital SE | 5,307,204 | 1.09% | $6.8 million | 0.48% | +418,900 | 13F |
| Northern Trust Corp. | 5,032,212 | 1.03% | $6.4 million | 0.00% | +169,948 | 13F |
| UBS Group AG | 4,896,096 | 1.00% | $6.3 million | 0.00% | +1,202,763 | 13F |
| Renaissance Technologies LLC | 4,579,000 | 0.94% | $5.9 million | 0.01% | +2,779,479 | 13F |
| Segall Bryant & Hamill, LLC | 4,485,554 | 0.92% | $5.7 million | 0.07% | -254,494 | 13F |
| Two Sigma Investments, LP | 4,308,013 | 0.88% | $5.5 million | 0.00% | +2,418,545 | 13F |
| Charles Schwab Investment Management Inc. | 4,284,662 | 0.88% | $5.5 million | 0.00% | -198,714 | 13F |
| Toronto Dominion Bank | 4,235,000 | 0.87% | $5.4 million | 0.01% | +4,107,289 | 13F |
| Point72 Asset Management, L.P. | 4,045,201 | 0.83% | $5.2 million | 0.01% | -16,411,933 | 13F |
| Vanguard Fiduciary Trust Co. | 3,963,563 | 0.81% | $5.1 million | 0.00% | +128,417 | 13F |
| Bank of America Corp. | 3,534,234 | 0.72% | $4.5 million | 0.00% | -1,022,044 | 13F |
| Deutsche Bank AG | 3,439,976 | 0.70% | $4.4 million | 0.00% | -1,763,540 | 13F |
| Qube Research & Technologies Ltd | 3,361,584 | 0.69% | $4.3 million | 0.01% | +1,915,725 | 13F |
| Panagora Asset Management Inc. | 2,939,469 | 0.60% | $3.8 million | 0.01% | +2,578,624 | 13F |
| ExodusPoint Capital Management, LP | 2,526,145 | 0.52% | $3.2 million | 0.03% | +2,514,158 | 13F |
| BNP Paribas Financial Markets | 2,416,441 | 0.49% | $3.1 million | 0.00% | +1,989,743 | 13F |
| Edmond De Rothschild Holding S.a. | 2,330,000 | 0.48% | $3.0 million | 0.04% | no change | 13F |
| Nan Fung Trinity (hk) Ltd | 2,223,550 | 0.45% | $2.8 million | 0.28% | +850,000 | 13F |
| Bank of New York Mellon Corp | 1,618,246 | 0.33% | $2.1 million | 0.00% | +78,010 | 13F |
| Susquehanna International Group, LLP | 1,547,239 | 0.32% | $2.0 million | 0.00% | +297,222 | 13F |
| Nuveen, LLC | 1,546,476 | 0.32% | $2.0 million | 0.00% | -1,385,013 | 13F |
| World Investment Advisors | 1,033,779 | 0.21% | $1.5 million | 0.03% | no change | 13F |
| Moore Capital Management, LP | 1,191,941 | 0.24% | $1.5 million | 0.04% | new | 13F |
| Invesco Ltd. | 1,175,208 | 0.24% | $1.5 million | 0.00% | -129,250 | 13F |
| Seven Fleet Capital Management LP | 1,057,228 | 0.22% | $1.4 million | 0.22% | +633,048 | 13F |
| Virtus Investment Advisers, LLC | 1,011,201 | 0.21% | $1.3 million | 0.30% | +390,406 | 13F |
| Voleon Capital Management LP | 1,004,988 | 0.21% | $1.3 million | 0.02% | +882,376 | 13F |
| Hennion & Walsh Asset Management, Inc. | 1,000,910 | 0.20% | $1.3 million | 0.04% | +604,278 | 13F |
| UBS AM, a distinct business unit of UBS Asset Management Americas LLC | 983,698 | 0.20% | $1.3 million | 0.00% | -287,316 | 13F |
| Swiss National Bank | 964,000 | 0.20% | $1.2 million | 0.00% | +16,500 | 13F |
| Citigroup Inc. | 826,216 | 0.17% | $1.1 million | 0.00% | +192,715 | 13F |
| Rhumbline Advisers | 732,065 | 0.15% | $937,030 | 0.00% | +31,964 | 13F |
The 50 largest of the 260 funds that reported a position in GERN in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on GERN
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Puts | 429,500 | $549,760 | 30 June 2026 | 13F |
| Citadel Advisors | Calls | 85,600 | $109,568 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 14 August 2026 | 13G/A | RA Capital Management, L.P. and 7 others | 66.5 million | 9.9% | 30 June 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 7 August 2026 | 13G | State Street Corporation and 1 other | 35.9 million | 5.6% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13G/A | Deep Track Capital, LP and 5 others | 31.7 million | 5.0% | 31 March 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 8 May 2026 | 13G/A | Soleus Capital Master Fund, L.P. and 11 others | 41.5 million | 6.5% | 31 March 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 3 March 2026 | 13G | Soleus Capital Master Fund, L.P. and 11 others | 33.0 million | 5.2% | 25 February 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 13 February 2026 | 13G/A | Deep Track Capital, LP and 5 others | 32.5 million | 5.1% | 31 December 2025 | passive, under 20% (13d-1(c)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 23 September 2026 | 23 | $1.31 | SEC |
| 22 September 2026 | 50 | $1.30 | SEC |
| 8 September 2026 | 191,330 | $1.57 | SEC |
| 2 September 2026 | 344 | $1.48 | SEC |
| 1 September 2026 | 336,522 | $1.49 | SEC |
| 20 August 2026 | 318 | $1.59 | SEC |
| 19 August 2026 | 36 | $1.53 | SEC |
| 17 August 2026 | 45,559 | $1.47 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.