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Bolt Biotherapeutics, Inc.

BOLT
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001641281

In the last 90 days, Bolt Biotherapeutics, Inc. insiders filed 2 open-market purchases and 3 sales; 23 institutions reported holding it in 13F filings for Q2 2026, worth $2.31M in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Bolt Biotherapeutics, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
21
−3 vs. Q3 2025
Shares held
602.5K
−201.5K (−25.1%) vs. Q3 2025
Total value
$3.30M
−$982.4K (−23.0%) vs. Q3 2025
New holders
3
4 more added
Sold out
6
4 more reduced

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BOLT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 21 institutions
Q1 2021: 70 institutionsQ2 2021: 61 institutionsQ3 2021: 72 institutionsQ4 2021: 62 institutionsQ1 2022: 66 institutionsQ2 2022: 62 institutionsQ3 2022: 56 institutionsQ4 2022: 44 institutionsQ1 2023: 41 institutionsQ2 2023: 40 institutionsQ3 2023: 35 institutionsQ4 2023: 40 institutionsQ1 2024: 39 institutionsQ2 2024: 37 institutionsQ3 2024: 32 institutionsQ4 2024: 38 institutionsQ1 2025: 30 institutionsQ2 2025: 25 institutionsQ3 2025: 24 institutionsQ4 2025: 21 institutionsQ1 2026: 24 institutionsQ2 2026: 23 institutions
Value heldQ4 2025: $3.30M
Q1 2021: $1.04BQ2 2021: $513.8MQ3 2021: $449.1MQ4 2021: $164.6MQ1 2022: $79.3MQ2 2022: $54.8MQ3 2022: $39.7MQ4 2022: $26.8MQ1 2023: $32.4MQ2 2023: $32.1MQ3 2023: $25.5MQ4 2023: $27.0MQ1 2024: $33.6MQ2 2024: $17.0MQ3 2024: $12.2MQ4 2024: $9.99MQ1 2025: $7.33MQ2 2025: $5.10MQ3 2025: $4.28MQ4 2025: $3.30MQ1 2026: $2.49MQ2 2026: $2.31M
Institutions holding BOLT and their total value by quarter
QuarterHoldersValue
Q2 202623$2.31M
Q1 202624$2.49M
Q4 202521$3.30M
Q3 202524$4.28M
Q2 202525$5.10M
Q1 202530$7.33M
Q4 202438$9.99M
Q3 202432$12.2M
Q2 202437$17.0M
Q1 202439$33.6M
Q4 202340$27.0M
Q3 202335$25.5M
Q2 202340$32.1M
Q1 202341$32.4M
Q4 202244$26.8M
Q3 202256$39.7M
Q2 202262$54.8M
Q1 202266$79.3M
Q4 202162$164.6M
Q3 202172$449.1M
Q2 202161$513.8M
Q1 202170$1.04B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Bolt Biotherapeutics, Inc.; share changes are against Q3 2025.

Institutions holding BOLT in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Sofinnova Investments, Inc.137,721$753.1K0.03%00.0%Unchanged
Pivotal bioVenture Partners Investment Advisor LLC94,573$517.1K0.20%00.0%Unchanged
Vivo Capital, LLC72,414$396.0K0.03%−103,650−58.9%Reduced
Nan Fung Group Holdings Ltd58,347$319.0K0.29%00.0%Unchanged
Renaissance Technologies LLC55,025$300.9K0.00%+26,400+92.2%Added
T3 Companies, LLC38,000$207.8K0.27%+38,000New
Board of Trustees of The Leland Stanford Junior University35,977$196.7K0.04%−10.0%Reduced
Pfizer Inc31,305$171.2K0.07%00.0%Unchanged
Nano Cap New Millennium Growth Fund L P20,500$112.1K0.10%+20,500New
Geode Capital Management, LLC18,803$103.1K0.00%+270+1.5%Added
Shay Capital LLC15,272$83.5K0.01%−686−4.3%Reduced
Vanguard Group Inc10,179$55.8K0.00%−24,052−70.3%Reduced
BlackRock, Inc.9,711$53.1K0.00%00.0%Unchanged
Morgan Stanley3,128$17.1K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)723$3.95K0.00%+464+179.2%Added
UBS Group AG515$2.82K0.00%+512+17,066.7%Added
Citigroup Inc256$1.40K0.00%+256New
JPMorgan Chase & Co42$2300.00%00.0%Unchanged
Bank of America Corp31$1690.00%00.0%Unchanged
SBI Securities Co., Ltd.10$550.00%00.0%Unchanged
Barclays PLC6$330.00%00.0%Unchanged
Tang Capital Management LLC0$00.00%−66,879−100.0%Sold out
Samsara BioCapital, LLC0$00.00%−48,830−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−16,642−100.0%Sold out
Squarepoint Ops LLC0$00.00%−14,836−100.0%Sold out
DRW Securities, LLC0$00.00%−12,322−100.0%Sold out
Salem Investment Counselors Inc0$00.00%−2−100.0%Sold out