Bolt BiotherapeuticsBOLT

13F holders, Q4 2025 (December 31)
21holders −3
1new positions
6sold out
1famous investor
$5.47avg. 13F price*

At the end of Q4 2025, 21 institutions reported holding Bolt Biotherapeutics Inc. (BOLT) in their 13F filings, down 3 from Q3 2025. 1 opened new positions and 6 sold out. The largest holders were Sofinnova Investments, Inc. ($753K), Pivotal bioVenture Partners Investment Advisor LLC ($517K) and Vivo Capital, LLC ($396K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Bolt Biotherapeutics Inc.
CUSIP
097702203
Latest filing quarter
Q2 2026

History

Number of 13F holders

0510152025 Q2 2025: 25Q2 2025Q3 2025: 24Q3 2025Q4 2025: 21Q4 2025Q1 2026: 24Q1 2026Q2 2026: 23Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions1$1K
Exits6$849K

All 13F filers, Q3 2025 → Q4 2025: 27,902 shares bought and 287,900 shares sold, net −259,998 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 21 holders

Sofinnova Investments, Inc. 0.03% No change 137,721 $753K
Pivotal bioVenture Partners Investment Advisor LLC 0.20% No change 94,573 $517K
Vivo Capital, LLC 0.03% Reduce -58.9% 72,414 $396K
Nan Fung Group Holdings Ltd 0.29% No change 58,347 $319K
Renaissance Technologies 0.00% Add +92.2% 55,025 $301K
T3 Companies, LLC 0.27% — 38,000 $208K
Board of Trustees of The Leland Stanford Junior University 0.04% Reduce 0.0% 35,977 $197K
Pfizer Inc 0.07% No change 31,305 $171K
Nano Cap New Millennium Growth Fund L P 0.10% — 20,500 $112K
Geode Capital Management, LLC 0.00% Add +1.5% 18,803 $103K
Shay Capital LLC 0.01% Reduce -4.3% 15,272 $84K
Vanguard Group Inc. 0.00% Reduce -70.3% 10,179 $56K
BlackRock, Inc. 0.00% No change 9,711 $53K
Morgan Stanley 0.00% No change 3,128 $17K
Tower Research Capital LLC (TRC) 0.00% Add +179.2% 723 $4K
UBS Group AG 0.00% Add +17066.7% 515 $3K
Citigroup Inc. 0.00% New 256 $1K
JPMorgan Chase & Co. 0.00% No change 42 $230
Bank of America Corp. 0.00% No change 31 $169
SBI Securities Co., Ltd. 0.00% No change 10 $55
Barclays PLC 0.00% No change 6 $33

"% of holder's portfolio" is BOLT's weight in each manager's 13F, not the share of Bolt Biotherapeutics Inc. the manager owns.