Companies / Bolt Biotherapeutics, Inc.

Bolt Biotherapeutics, Inc.

Nasdaq: BOLTCIK 1641281REDWOOD CITY, CA

Financials · FY2025

Revenue$7.70M
Net income$-33.38M
Total debt—
Cash$12.86M
Diluted EPS$-17.85
Shares outstanding1.9M

Ownership

1.9M shares outstanding · as of Aug 4, 2026
0.19%Insiders
Ownership
Insiders0.19%3,728
Institutions33.31%641,726
Public float66.49%1,280,891

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 5

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Insider% of sharesShares
Quinn William P.CEOPresident, CEO and CFO · Director
0.12%2,313
Nemec SarahSenior VP, Finance and PAO
0.07%1,415
Laporte KathleenDirector
——
Onetto NicoleDirector
——
Yonehiro GrantChief Operating Officer
——

Institutional holders 21

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HolderValue% of shares
Sofinnova Investments, Inc.$753.1K7.15%
Pivotal bioVenture Partners Investment Advisor LLC$517.1K4.91%
Vivo Capital, LLC$396.0K3.76%
Nan Fung Group Holdings Ltd$319.0K3.03%
Renaissance Technologies LLC$312.0K4.01%
T3 Companies, LLC$207.8K1.97%
Pfizer Inc$171.2K1.63%
Board of Trustees of The Leland Stanford Junior University$145.3K1.87%
Geode Capital Management, LLC$116.3K1.49%
Nano Cap New Millennium Growth Fund L P$111.1K1.43%

Activity

Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).
DateActorActionSecurityValueShares ΔPosition afterImpact
Q1 2026
as of
Renaissance Technologies LLC
13F manager
AddCommon Stock$89.7K+22K
+40.35%
77,225
4.01% of shares
low
Q1 2026
as of
Geode Capital Management, LLC
13F manager
AddCommon Stock$40.4K+10K
+53.12%
28,791
1.49% of shares
low
Q1 2026
as of
Nano Cap New Millennium Growth Fund L P
13F manager
AddCommon Stock$28.3K+7K
+34.15%
27,500
1.43% of shares
low
Q2 2025
as of
Barclays PLC
13F manager
NewCommon Stock$35+6
6
<0.01% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vivo Capital Fund VIII, L.P.Passive13G/A———

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
BOLTCommon StockEquity097702203BBG00N8MY5V9