BOLT: Bolt Biotherapeutics, Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-08-13 | New 13G stake | Renaissance Technologies LLC | 5.13% | SEC |
Institutional ownership (Q2 2026)
23 institutions reported holding $2.31M of Bolt Biotherapeutics, Inc. on Form 13F (24 the quarter before). 2 opened a new position and 3 sold out. Shares held by institutions: -3%.
| Largest holders | Shares | Value |
|---|---|---|
| Sofinnova Investments, Inc. | 137,721 | $530K |
| RENAISSANCE TECHNOLOGIES LLC | 98,625 | $380K |
| Vivo Capital, LLC | 72,414 | $279K |
| CITADEL ADVISORS LLC | 56,903 | $219K |
| T3 Companies, LLC | 38,000 | $146K |
| Board of Trustees of The Leland Stanford Junior University | 35,977 | $139K |
| Pfizer Inc | 31,305 | $134K |
| Lynx1 Capital Management LP | 30,800 | $119K |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | 27,500 | $106K |
| GEODE CAPITAL MANAGEMENT, LLC | 19,119 | $74K |
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