BOLTNasdaqPharmaceutical PreparationsFiscal year ends December 31
Bolt Biotherapeutics, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 11, 2026
$4.04+0.04 (+1.00%)
Close on Oct 19, 2026
- Market cap
- $6.83M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
31.0%
1M of 2M shares
Institutional holders
23
2 new, 3 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
4 buys · 9 sales
Net sold $122.76K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Renaissance Technologies Holdings Corporation | 98,625 | 5.13% | 13G (passive) | Jun 24, 2026 |
| Vivo Capital VIII, LLC | 2,073,005 | 5.50% | 13G (passive) amendment | Dec 31, 2023 |
| Kevin Tang | 166,879 | 8.70% | 13G (passive) amendment | Jun 30, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of BOLT | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Sofinnova Investments, Inc. | 137,721 | 7.15% | $530.23K | – | 0.03% |
| Renaissance Technologies LLC | 98,625 | 5.12% | $379.71K | +21,400 | 0.00% |
| Vivo Capital, LLC | 72,414 | 3.76% | $278.79K | – | 0.03% |
| Citadel Advisors LLC | 56,903 | 2.95% | $219.08K | +46,794 | 0.00% |
| T3 Companies, LLC | 38,000 | 1.97% | $146.30K | – | 0.16% |
| Board of Trustees of The Leland Stanford Junior University | 35,977 | 1.87% | $138.51K | – | 0.03% |
| Pfizer Inc | 31,305 | 1.63% | $133.83K | – | 0.08% |
| Lynx1 Capital Management LP | 30,800 | 1.60% | $118.58K | – | 0.01% |
| Nano Cap New Millennium Growth Fund L P | 27,500 | 1.43% | $105.88K | – | 0.08% |
| Geode Capital Management, LLC | 19,119 | 0.99% | $73.62K | −9,672 | 0.00% |
| Shay Capital LLC | 15,438 | 0.80% | $59.44K | +533 | 0.00% |
| BlackRock, Inc. | 9,711 | 0.50% | $37.39K | – | 0.00% |
| Vanguard Capital Management LLC | 7,060 | 0.37% | $27.18K | – | 0.00% |
| Nan Fung Group Holdings Ltd | 5,000 | 0.26% | $19.25K | −24,250 | 0.01% |
| Morgan Stanley | 3,145 | 0.16% | $12.11K | −44 | 0.00% |
| Vanguard Fiduciary Trust Co | 3,095 | 0.16% | $11.92K | – | 0.00% |
| NewEdge Advisors, LLC | 2,530 | 0.13% | $9.74K | New | 0.00% |
| Tower Research Capital LLC (TRC) | 1,710 | 0.09% | $6.58K | +617 | 0.00% |
| UBS Group AG | 255 | 0.01% | $982 | −532 | 0.00% |
| SBI Securities Co., Ltd. | 130 | 0.01% | $501 | +120 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 23 | 1M | 31.0% | 2 / 5 | 4 / 3 | 0M | 0M |
| Q1 2026 | 24 | 1M | 31.8% | 6 / 6 | 3 / 2 | 0M | 0M |
| Q4 2025 | 21 | 1M | 31.3% | 3 / 4 | 5 / 6 | 0M | 0M |
| Q3 2025 | 24 | 1M | 41.7% | 3 / 3 | 8 / 4 | 0M | 0M |
| Q2 2025 | 25 | 1M | 46.1% | 25 / 0 | 0 / 0 | 1M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of BOLT | Value | % of fund | As of |
|---|---|---|---|---|---|
| Fidelity Extended Market Index Fund | 17,060 | 0.89% | $89.57K | 0.00% | May 31, 2026 |
| Vanguard Extended Market Index Fund | 7,060 | 0.37% | $27.18K | 0.00% | Jun 30, 2026 |
| Fidelity Total Market Index Fund | 5,348 | 0.28% | $28.08K | 0.00% | May 31, 2026 |
| Fidelity Series Total Market Index Fund | 1,699 | 0.09% | $8.92K | 0.00% | May 31, 2026 |
| Fidelity Nasdaq Composite Index Fund | 143 | 0.01% | $751 | 0.00% | May 31, 2026 |
| Diversified Equity Alpha Master Portfolio | 89 | 0.00% | $343 | 0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| William P. Quinn | President, CEO and CFO, Director | 25,384 | 1.32% | Sep 21, 2026 |
| Grant Yonehiro | Chief Operating Officer | 17,269 | 0.90% | Sep 21, 2026 |
| Sarah Nemec | Senior VP, Finance and PAO | 17,082 | 0.89% | Sep 21, 2026 |
| Kathleen Laporte | Director | 1,200 | 0.06% | Jun 11, 2026 |
| Jakob Dupont | Director | – | – | Jun 11, 2026 |
| Brian O'Callaghan | Director | 0 | – | Jun 11, 2026 |
| Nicole Onetto | Director | 0 | – | Jun 11, 2026 |
| Laura Berner | Director | 0 | – | Jun 11, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Sarah Nemec Senior VP, Finance and PAO | Sep 18, 2026 | Sale | −4,077 | $3.24 | $13.21K | 17,082 |
| Grant Yonehiro Chief Operating Officer | Sep 18, 2026 | Sale | −6,850 | $3.24 | $22.19K | 17,269 |
| William P. Quinn President, CEO and CFO, Director | Sep 18, 2026 | Sale | −9,132 | $3.24 | $29.59K | 25,384 |
| Sarah Nemec Senior VP, Finance and PAO | Sep 17, 2026 | Sale | −2,922 | $3.32 | $9.70K | 21,159 |
| Grant Yonehiro Chief Operating Officer | Sep 17, 2026 | Sale | −4,909 | $3.32 | $16.30K | 24,119 |
| William P. Quinn President, CEO and CFO, Director | Sep 17, 2026 | Sale | −6,545 | $3.32 | $21.73K | 34,516 |
| Sarah Nemec Senior VP, Finance and PAO | Sep 16, 2026 | Sale | −843 | $3.77 | $3.18K | 24,081 |
| Grant Yonehiro Chief Operating Officer | Sep 16, 2026 | Sale | −1,417 | $3.77 | $5.34K | 29,028 |
| William P. Quinn President, CEO and CFO, Director | Sep 16, 2026 | Sale | −1,889 | $3.77 | $7.12K | 41,061 |
| Sarah Nemec Senior VP, Finance and PAO | Jun 5, 2026 | Buy | +509 | $3.88 | $1.97K | 1,924 |
| William P. Quinn President, CEO and CFO, Director | Jun 5, 2026 | Buy | +637 | $3.88 | $2.47K | 2,950 |
| Sarah Nemec Senior VP, Finance and PAO | Dec 5, 2025 | Buy | +125 | $4.61 | $576 | 1,415 |
| William P. Quinn President, CEO and CFO, Director | Dec 5, 2025 | Buy | +125 | $4.61 | $576 | 2,313 |
| William P. Quinn President, CEO and CFO, Director | Oct 22, 2025 | Award | +40,000 | – | – | 42,188 |
| Sarah Nemec Senior VP, Finance and PAO | Oct 22, 2025 | Award | +23,000 | – | – | 23,943 |
| Grant Yonehiro Chief Operating Officer | Oct 22, 2025 | Award | +30,000 | – | – | 38,918 |
| William P. Quinn President, CEO and CFO, Director | Jun 6, 2025 | Buy | +125 | $5.49 | $686 | 2,188 |
| Sarah Nemec Senior VP, Finance and PAO | Jun 6, 2025 | Buy | +125 | $5.49 | $686 | 943 |
| Sarah Nemec Senior VP, Finance and PAO | Dec 16, 2024 | Buy | +2,500 | $0.50 | $1.25K | 16,633 |
| William P. Quinn President, CEO and CFO, Director | Dec 16, 2024 | Buy | +2,500 | $0.50 | $1.25K | 41,272 |
| Sarah Nemec Senior VP, Finance and PAO | Jun 6, 2024 | Buy | +2,500 | $0.64 | $1.60K | 13,863 |
| William P. Quinn President, CEO and CFO, Director | Jun 6, 2024 | Buy | +2,500 | $0.64 | $1.60K | 38,772 |
| William P. Quinn Chief Financial Officer | Dec 12, 2023 | Buy | +7,500 | $0.95 | $7.13K | 36,272 |
| Edith A. Perez Chief Medical Officer | Dec 6, 2023 | Buy | +2,500 | $0.78 | $1.95K | 46,612 |
| Randall C. Schatzman Chief Executive Officer, Director | Dec 6, 2023 | Buy | +2,500 | $0.78 | $1.95K | 12,859 |
| Grant Yonehiro Chief Business Officer | Dec 6, 2023 | Buy | +2,500 | $0.78 | $1.95K | 8,918 |
| William P. Quinn Chief Financial Officer | Dec 6, 2023 | Buy | +2,500 | $0.78 | $1.95K | 28,772 |
| Edgar Engleman Director | Nov 30, 2023 | Sale | −108,145 | $0.86 | $93.00K | 1,821,483 |
| Edgar Engleman Director | Nov 30, 2023 | Sale | −14,934 | $0.86 | $12.84K | 251,522 |
| Edgar Engleman Director | Nov 29, 2023 | Sale | −3,131 | $0.91 | $2.85K | 266,456 |
| Edgar Engleman Director | Nov 29, 2023 | Sale | −22,674 | $0.91 | $20.63K | 1,929,628 |
| Edgar Engleman Director | Nov 21, 2023 | Sale | −1,707 | $0.90 | $1.54K | 1,952,302 |
| Edgar Engleman Director | Nov 21, 2023 | Sale | −236 | $0.90 | $212 | 269,587 |
| Vivo Capital VIII, LLC 10% owner | Nov 21, 2023 | Sale | −1,457 | $0.90 | $1.31K | 111,662 |
| Vivo Capital VIII, LLC 10% owner | Nov 21, 2023 | Sale | −1,707 | $0.90 | $1.54K | 1,952,302 |
| Vivo Capital VIII, LLC 10% owner | Nov 21, 2023 | Sale | −236 | $0.90 | $212 | 269,587 |
| Edgar Engleman Director | Nov 20, 2023 | Sale | −27,465 | $0.92 | $25.27K | 1,954,009 |
| Edgar Engleman Director | Nov 20, 2023 | Sale | −3,792 | $0.92 | $3.49K | 269,823 |
| Vivo Capital Surplus Fund VIII, L.P. 10% owner | Nov 20, 2023 | Sale | −27,465 | $0.92 | $25.27K | 1,954,009 |
| Vivo Capital Surplus Fund VIII, L.P. 10% owner | Nov 20, 2023 | Sale | −3,792 | $0.92 | $3.49K | 269,823 |
| Vivo Capital Surplus Fund VIII, L.P. 10% owner | Nov 20, 2023 | Sale | −23,443 | $0.92 | $21.57K | 113,119 |
| Edgar Engleman Director | Nov 17, 2023 | Sale | −8,211 | $0.93 | $7.64K | 1,981,474 |
| Edgar Engleman Director | Nov 17, 2023 | Sale | −1,134 | $0.93 | $1.05K | 273,615 |
| Vivo Capital Surplus Fund VIII, L.P. 10% owner | Nov 17, 2023 | Sale | −8,211 | $0.93 | $7.64K | 1,981,474 |
| Vivo Capital Surplus Fund VIII, L.P. 10% owner | Nov 17, 2023 | Sale | −7,009 | $0.93 | $6.52K | 136,562 |
| Vivo Capital Surplus Fund VIII, L.P. 10% owner | Nov 17, 2023 | Sale | −1,134 | $0.93 | $1.05K | 273,615 |
| Edgar Engleman Director | Nov 16, 2023 | Sale | −7,531 | $0.96 | $7.23K | 1,989,685 |
| Edgar Engleman Director | Nov 16, 2023 | Sale | −1,040 | $0.96 | $998 | 274,749 |
| Vivo Capital Surplus Fund VIII, L.P. 10% owner | Nov 16, 2023 | Sale | −6,429 | $0.96 | $6.17K | 143,571 |
| Vivo Capital Surplus Fund VIII, L.P. 10% owner | Nov 16, 2023 | Sale | −1,040 | $0.96 | $998 | 274,749 |
| Vivo Capital Surplus Fund VIII, L.P. 10% owner | Nov 16, 2023 | Sale | −7,531 | $0.96 | $7.23K | 1,989,685 |
| Edith A. Perez Chief Medical Officer | Jun 6, 2023 | Buy | +2,070 | $1.18 | $2.44K | 44,112 |
| Randall C. Schatzman Chief Executive Officer, Director | Jun 6, 2023 | Buy | +2,500 | $1.18 | $2.95K | 10,359 |
| William P. Quinn Chief Financial Officer | Jun 6, 2023 | Buy | +1,829 | $1.18 | $2.16K | 26,272 |
| William P. Quinn Chief Financial Officer | Dec 6, 2022 | Buy | +1,789 | $1.18 | $2.11K | 24,443 |
| Edith A. Perez Chief Medical Officer | Dec 6, 2022 | Buy | +2,500 | $1.18 | $2.95K | 42,042 |
| Grant Yonehiro Chief Business Officer | Dec 6, 2022 | Buy | +2,500 | $1.18 | $2.95K | 6,418 |
| Randall C. Schatzman Chief Executive Officer, Director | Dec 6, 2022 | Buy | +2,500 | $1.18 | $2.95K | 7,859 |
| Holdings A/S Novo 10% owner | Jul 13, 2022 | Sale | −800,000 | $2.00 | $1.60M | 3,703,991 |
| William P. Quinn Chief Financial Officer | Jun 6, 2022 | Buy | +2,500 | $1.64 | $4.10K | 22,654 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.