BOLT BIOTHERAPEUTICS INC (BOLT) Institutional Ownership Changes & 13F Activity
BOLT BIOTHERAPEUTICS INC (BOLT). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Sofinnova Investments, Inc., Pivotal Bioventure Partners Investment Advisor Llc, Vivo Capital, Llc, Nan Fung Group Holdings Ltd, and T3 Companies, Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Board Of Trustees Of The Leland Stanford Junior University | Buy | +35,977 | — | 35,977 | $196.72K | Q4 2025 | Feb 17, 2026 |
| Shay Capital Llc | Buy | +15,272 | — | 15,272 | $83.51K | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +723 | — | 723 | $3.95K | Q4 2025 | Feb 17, 2026 |
| Bank Of America Corp | Buy | +31 | — | 31 | $169.00 | Q4 2025 | Feb 17, 2026 |
| Sofinnova Investments, Inc. | Buy | +137,721 | — | 137,721 | $753.06K | Q4 2025 | Feb 13, 2026 |
| Pivotal Bioventure Partners Investment Advisor Llc | Buy | +94,573 | — | 94,573 | $517.13K | Q4 2025 | Feb 13, 2026 |
| Vivo Capital, Llc | Buy | +72,414 | — | 72,414 | $395.96K | Q4 2025 | Feb 13, 2026 |
| Nan Fung Group Holdings Ltd | Buy | +58,347 | — | 58,347 | $319.04K | Q4 2025 | Feb 13, 2026 |
| Morgan Stanley | Buy | +3,128 | — | 3,128 | $17.10K | Q4 2025 | Feb 13, 2026 |
| Citigroup Inc | Buy | +256 | — | 256 | $1.40K | Q4 2025 | Feb 13, 2026 |
| Barclays Plc | Buy | +6 | — | 6 | $33.00 | Q4 2025 | Feb 13, 2026 |
| Pfizer Inc | Buy | +31,305 | — | 31,305 | $171.18K | Q4 2025 | Feb 12, 2026 |
| Renaissance Technologies LLC | Buy | +26,400 | +92.2% | 55,025 | $300.88K | Q4 2025 | Feb 12, 2026 |
| Blackrock, Inc. | Buy | +9,711 | — | 9,711 | $53.10K | Q4 2025 | Feb 12, 2026 |
| T3 Companies, Llc | Buy | +38,000 | — | 38,000 | $207.78K | Q4 2025 | Feb 11, 2026 |
| Jpmorgan Chase & Co | Buy | +42 | — | 42 | $230.00 | Q4 2025 | Feb 11, 2026 |
| Geode Capital Management, Llc | Buy | +18,803 | — | 18,803 | $103.06K | Q4 2025 | Feb 09, 2026 |
| Nano Cap New Millennium Growth Fund L P | Buy | +20,500 | — | 20,500 | $112.09K | Q4 2025 | Feb 06, 2026 |
| Sbi Securities Co., Ltd. | Buy | +10 | — | 10 | $55.00 | Q4 2025 | Feb 03, 2026 |
| Ubs Group Ag | Buy | +515 | — | 515 | $2.82K | Q4 2025 | Jan 29, 2026 |
Frequently asked questions about BOLT activity
Which institutional owners are buying BOLT?
Institutional owners buying BOLT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in BOLT activity?
"Buy" means an investor increased their reported position in BOLT compared to the prior reporting period. This reflects growing exposure to BOLT BIOTHERAPEUTICS INC (BOLT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in BOLT increasing?
Institutional interest in BOLT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related BOLT Institutional Insights
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