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BOLT BOLT BIOTHERAPEUTICS INC

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COM NEW (common), issuer CIK 1641281

24 managers (24 13F filers) reported a position in BOLT shares at 2025-09-30, 804,036 shares in all. 3 filers opened a position and 4 filers sold out during the quarter.

Managers
24
13F filers
24
New
3
Added
2
Reduced
9
Sold out
4
Shares held by filers
804,036

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Vivo Capital, LLC176,064$937K0.08%013F-HRTimeline
Sofinnova Investments, Inc.137,721$733K0.04%013F-HRTimeline
Pivotal bioVenture Partners Investment …in group Pivotal bioVenture Partners I…94,573$503K0.29%013F-HRTimelineGroup
TANG CAPITAL MANAGEMENT LLCin group TANG CAPITAL MANAGEMENT LLC66,879$356K0.01%-100,00013F-HRTimelineGroup
Nan Fung Group Holdings Ltd58,347$310K0.52%013F-HRTimeline
SAMSARA BIOCAPITAL, LLC48,830$260K0.03%-3,62613F-HRTimeline
Board of Trustees of The Leland Stanfor…35,978$191K0.02%013F-HRTimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC34,231$182K<0.01%-24,25313F-HRTimelineGroup
Pfizer Inc31,305$167K0.04%013F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC28,625$152K<0.01%+10,30013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC18,533$98.6K<0.01%013F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…16,642$88.5K<0.01%new13F-HRTimelineGroup
Shay Capital LLC15,958$84.9K0.02%new13F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC14,836$78.9K<0.01%+2,44813F-HRTimelineGroup
DRW Securities, LLC12,322$65.6K<0.01%new13F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.9,711$51.7K<0.01%-83913F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY3,128$16.6K<0.01%-45113F-HR/ATimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…259$1.38K<0.01%-13613F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO42$223<0.01%-113F-HR/ATimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/31$165<0.01%-25113F-HR/ATimelineGroup
SBI Securities Co., Ltd.10$53<0.01%013F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC6$32<0.01%013F-HR/ATimelineGroup
UBS Group AGin group UBS Group AG3$16<0.01%-18013F-HRTimelineGroup
SALEM INVESTMENT COUNSELORS INC2$11<0.01%013F-HRTimeline