Bolt BiotherapeuticsBOLT

13F holders, Q3 2025 (September 30)
24holders −1
3new positions
4sold out
1famous investor
$5.32avg. 13F price*

At the end of Q3 2025, 24 institutions reported holding Bolt Biotherapeutics Inc. (BOLT) in their 13F filings, down 1 from Q2 2025. 3 opened new positions and 4 sold out. The largest holders were Vivo Capital, LLC ($937K), Sofinnova Investments, Inc. ($733K) and Pivotal bioVenture Partners Investment Advisor LLC ($503K). 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 Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions3$239K
Exits4$66K

All 13F filers, Q2 2025 → Q3 2025: 57,670 shares bought and 141,165 shares sold, net −83,495 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 24 holders

Vivo Capital, LLC 0.08% No change 176,064 $937K
Sofinnova Investments, Inc. 0.04% No change 137,721 $733K
Pivotal bioVenture Partners Investment Advisor LLC 0.29% No change 94,573 $503K
Tang Capital Management LLC 0.01% Reduce -59.9% 66,879 $356K
Nan Fung Group Holdings Ltd 0.52% No change 58,347 $310K
Samsara Biocapital, LLC 0.03% Reduce -6.9% 48,830 $260K
Board of Trustees of The Leland Stanford Junior University 0.02% No change 35,978 $191K
Vanguard Group Inc. 0.00% Reduce -41.5% 34,231 $182K
Pfizer Inc 0.04% No change 31,305 $167K
Renaissance Technologies 0.00% Add +56.2% 28,625 $152K
Geode Capital Management, LLC 0.00% No change 18,533 $99K
Susquehanna International Group, LLP 0.00% New 16,642 $89K
Shay Capital LLC 0.02% New 15,958 $85K
Squarepoint Ops LLC 0.00% Add +19.8% 14,836 $79K
DRW Securities, LLC 0.00% New 12,322 $66K
BlackRock, Inc. 0.00% Reduce -8.0% 9,711 $52K
Morgan Stanley 0.00% Reduce -12.6% 3,128 $17K
Tower Research Capital LLC (TRC) 0.00% Reduce -34.4% 259 $1K
JPMorgan Chase & Co. 0.00% Reduce -2.3% 42 $223
Bank of America Corp. 0.00% Reduce -89.0% 31 $165
SBI Securities Co., Ltd. 0.00% No change 10 $53
Barclays PLC 0.00% No change 6 $32
UBS Group AG 0.00% Reduce -98.4% 3 $16
Salem Investment Counselors Inc. 0.00% No change 2 $11

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