GERON CORP (GERN) Top Institutional Shareholders
GERON CORP (GERN) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $730.62M in GERN holdings during the latest filing period.
Ra Capital Management, L.P. is currently the largest disclosed institutional shareholder of GERN tracked by InsiderSet, reporting ownership valued at approximately $95.02M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $78.44M, representing an estimated loss of -17.45% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 66% of the total disclosed GERN value among the investors covered in this analysis. Major shareholders include Ra Capital Management, L.P., Blackrock, Inc., Soleus Capital Management, L.P., and several other long-term asset managers with concentrated positions in GERON CORP (GERN).
This page ranks the largest institutional GERN shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
249
Total Reported Value
$730.62M
Largest Holder
Ra Capital Management, L.P.
Largest Position
$95.02M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
154
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 1.01% | 63,771,366 | $95,019,335 | $78,438,780 | -$16,580,555 | -17.45% | |
| Blackrock, Inc. | 0.00% | 47,319,779 | $70,506,471 | $58,203,328 | -$12,303,143 | -17.45% | |
| Soleus Capital Management, L.P. | 2.50% | 41,508,659 | $61,847,902 | $51,055,651 | -$10,792,251 | -17.45% | |
| Deep Track Capital, Lp | 0.98% | 31,720,278 | $47,263,214 | $39,015,942 | -$8,247,272 | -17.45% | |
| State Street Corp | 0.00% | 30,497,183 | $45,440,803 | $37,511,535 | -$7,929,268 | -17.45% | |
| Vanguard Capital Management Llc | 0.00% | 26,669,029 | $39,736,853 | $32,802,906 | -$6,933,947 | -17.45% | |
| Citadel Advisors Llc | 0.02% | 21,576,569 | $32,149,088 | $26,539,180 | -$5,609,908 | -17.45% | |
| Point72 Asset Management, L.P. | 0.05% | 20,457,134 | $30,481,130 | $25,162,275 | -$5,318,855 | -17.45% | |
| Clearbridge Investments, Llc | 0.03% | 19,620,320 | $29,234,276 | $24,132,994 | -$5,101,282 | -17.45% | |
| Eversept Partners, Lp | 1.85% | 18,834,883 | $28,063,976 | $23,166,906 | -$4,897,070 | -17.45% | |
| Geode Capital Management, Llc | 0.00% | 13,670,785 | $20,373,569 | $16,815,066 | -$3,558,503 | -17.47% | |
| Morgan Stanley | 0.00% | 12,665,119 | $18,871,028 | $15,578,096 | -$3,292,932 | -17.45% | |
| Nantahala Capital Management, Llc | 1.04% | 11,225,000 | $16,725,250 | $13,806,750 | -$2,918,500 | -17.45% | |
| Goldman Sachs Group Inc | 0.00% | 11,176,591 | $16,653,120 | $13,747,207 | -$2,905,913 | -17.45% | |
| Vivo Capital, Llc | 1.08% | 8,671,797 | $12,920,978 | $10,666,310 | -$2,254,668 | -17.45% | |
| Millennium Management Llc | 0.01% | 7,321,522 | $10,909,068 | $9,005,472 | -$1,903,596 | -17.45% | |
| Kynam Capital Management, Lp | 0.65% | 6,836,318 | $10,186,114 | $8,408,671 | -$1,777,443 | -17.45% | |
| Fmr Llc | 0.00% | 6,597,156 | $9,829,763 | $8,114,502 | -$1,715,261 | -17.45% | |
| Deutsche Bank Ag\ | 0.00% | 5,203,516 | $7,753,239 | $6,400,325 | -$1,352,914 | -17.45% | |
| Pale Fire Capital Se | 0.64% | 4,888,304 | $7,283,573 | $6,012,614 | -$1,270,959 | -17.45% | |
| Northern Trust Corp | 0.00% | 4,862,264 | $7,244,773 | $5,980,585 | -$1,264,188 | -17.45% | |
| Vanguard Portfolio Management Llc | 0.00% | 4,668,783 | $6,956,487 | $5,742,603 | -$1,213,884 | -17.45% | |
| Bank Of America Corp | 0.00% | 4,556,278 | $6,788,855 | $5,604,222 | -$1,184,633 | -17.45% | |
| Charles Schwab Investment Management Inc | 0.00% | 4,483,376 | $6,680,230 | $5,514,552 | -$1,165,678 | -17.45% | |
| Candriam S.C.A. | 0.03% | 3,921,476 | $5,842,999 | $4,823,415 | -$1,019,584 | -17.45% | |
| Vanguard Fiduciary Trust Co | 0.00% | 3,835,146 | $5,714,368 | $4,717,230 | -$997,138 | -17.45% | |
| Ubs Group Ag | 0.00% | 3,693,333 | $5,503,066 | $4,542,800 | -$960,266 | -17.45% | |
| Marshall Wace, Llp | 0.00% | 2,960,047 | $4,410,471 | $3,640,858 | -$769,613 | -17.45% | |
| Nuveen, Llc | 0.00% | 2,931,489 | $4,367,919 | $3,605,731 | -$762,188 | -17.45% | |
| Vestal Point Capital, Lp | 0.11% | 2,540,000 | $3,784,600 | $3,124,200 | -$660,400 | -17.45% | |
| Edmond De Rothschild Holding S.A. | 0.05% | 2,330,000 | $3,471,700 | $2,865,900 | -$605,800 | -17.45% | |
| Janus Henderson Group Plc | 0.00% | 2,218,196 | $3,303,915 | $2,728,381 | -$575,534 | -17.42% | |
| Two Sigma Investments, Lp | 0.00% | 1,889,468 | $2,815,307 | $2,324,046 | -$491,261 | -17.45% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 1,799,521 | $2,681,286 | $2,213,411 | -$467,875 | -17.45% |
| Bank Of New York Mellon Corp | 0.00% | 1,540,236 | $2,294,951 | $1,894,490 | -$400,461 | -17.45% | |
| Qube Research & Technologies Ltd | 0.00% | 1,445,859 | $2,154,330 | $1,778,407 | -$375,923 | -17.45% | |
| Nan Fung Trinity (Hk) Ltd | 0.22% | 1,373,550 | $2,046,590 | $1,689,467 | -$357,124 | -17.45% | |
| Invesco Ltd. | 0.00% | 1,304,458 | $1,943,643 | $1,604,483 | -$339,160 | -17.45% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 1,271,014 | $1,893,811 | $1,563,347 | -$330,464 | -17.45% | |
| Susquehanna International Group, Llp | 0.00% | 1,250,017 | $1,862,525 | $1,537,521 | -$325,004 | -17.45% | |
| World Investment Advisors | 0.02% | 1,033,779 | $1,540,331 | $1,271,548 | -$268,783 | -17.45% | |
| Xtx Topco Ltd | 0.02% | 961,159 | $1,432,127 | $1,182,226 | -$249,901 | -17.45% | |
| Swiss National Bank | 0.00% | 947,500 | $1,411,775 | $1,165,425 | -$246,350 | -17.45% | |
| Rafferty Asset Management, Llc | 0.01% | 883,595 | $1,316,557 | $1,086,822 | -$229,735 | -17.45% | |
| Jane Street Group, Llc | 0.00% | 771,971 | $1,150,237 | $949,524 | -$200,713 | -17.45% | |
| California State Teachers Retirement System | 0.00% | 737,143 | $1,098,343 | $906,686 | -$191,657 | -17.45% | |
| Rhumbline Advisers | 0.00% | 700,101 | $1,043,138 | $861,124 | -$182,014 | -17.45% | |
| Eversource Wealth Advisors, Llc | 0.03% | 4,856 | $1,008,710 | $5,973 | -$1,002,737 | -99.41% | |
| Ameriprise Financial Inc | 0.00% | 651,185 | $970,265 | $800,958 | -$169,307 | -17.45% | |
| Citigroup Inc | 0.00% | 633,501 | $943,917 | $779,206 | -$164,711 | -17.45% |
Frequently asked questions about GERN
Who owns the most GERN stock?
The largest holders of GERN are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for GERON CORP (GERN).
Is GERN widely held by superinvestors?
Many widely followed stocks like GERN appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly GERN is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.