GERN · Insider trading · 13F holders · Congress trades
Geron Corp (GERN)
Who is buying and selling GERN: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 10
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
GERN at a glance
- No open-market insider purchases or sales of GERN were filed in the last 90 days.
- 10 13F filers hold GERN among their 50 largest positions, worth $177.5M combined, including Peter Kolchinsky. The biggest bets by portfolio weight are Lion Point Capital, LP (3.5%), Soleus Capital Management, L.P. (1.9%) and Eversept Partners, LP (1.3%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
- No member of Congress has disclosed a trade in GERN.
GERN insider trading
No open-market insider purchases or sales of GERN were filed in the last 90 days.
Who owns GERN? Hedge funds and superinvestors
10 13F filers hold GERN among their 50 largest positions, worth $177.5M combined, including Peter Kolchinsky. The biggest bets by portfolio weight are Lion Point Capital, LP (3.5%), Soleus Capital Management, L.P. (1.9%) and Eversept Partners, LP (1.3%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
Superinvestors holding GERN: Peter Kolchinsky 0.5%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Peter KolchinskyHedge fund | 0.5% | $54.8M | 42,809,751 | -32.9% shares | Q2 2026 |
| Soleus Capital Management, L.P.Hedge fund | 1.9% | $54.8M | 42,808,659 | +3.1% shares | Q2 2026 |
| Eversept Partners, LPHedge fund | 1.3% | $24.0M | 18,717,422 | -0.6% shares | Q2 2026 |
| Nantahala Capital Management, LLCHedge fund | 1.0% | $15.6M | 12,225,000 | +8.9% shares | Q2 2026 |
| Vivo Capital, LLCHedge fund | 1.0% | $11.1M | 8,671,797 | +0.0% shares | Q2 2026 |
| Kynam Capital Management, LPHedge fund | 0.5% | $8.8M | 6,836,318 | +0.0% shares | Q2 2026 |
| Pale Fire Capital SEAsset manager | 0.5% | $6.8M | 5,307,204 | +8.6% shares | Q2 2026 |
| Exome Asset Management LLCHedge fund | 0.5% | $799K | 624,046 | New | Q2 2026 |
| Lion Point Capital, LPHedge fund | 3.5% | $740K | 578,000 | +0.0% shares | Q2 2026 |
| Forefront Analytics, LLCInstitutional asset manager | 0.1% | $114K | 88,779 | +61.1% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 10). Screen GERN in the grand portfolio →
GERN stock trades by members of Congress
No member of Congress has disclosed a trade in GERN.
GERN questions and answers
Are insiders buying GERN stock?
No open-market insider purchases or sales of GERN were filed in the last 90 days.
Which hedge funds own GERN?
10 13F filers hold GERN among their 50 largest positions, worth $177.5M combined, including Peter Kolchinsky. The biggest bets by portfolio weight are Lion Point Capital, LP (3.5%), Soleus Capital Management, L.P. (1.9%) and Eversept Partners, LP (1.3%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
Has Congress traded GERN?
No member of Congress has disclosed a trade in GERN.
Who is the largest holder of GERN?
Among 13F filers, Peter Kolchinsky reports the largest GERN position, $54.8M (42,809,751 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Lion Point Capital, LP's: 3.5% of its portfolio.
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