Bolt Biotherapeutics Ownership | Who Owns Bolt Biotherapeutics?
Bolt Biotherapeutics Ownership Summary
Bolt Biotherapeutics is owned by 28.68% institutional investors, 6.66% insiders, and 64.66% retail investors. Vivo capital is the largest institutional shareholder, holding 9.18% of BOLT shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.46% of its assets in Bolt Biotherapeutics shares.
BOLT Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Bolt Biotherapeutics | 28.68% | 6.66% | 64.66% |
| Sector | Healthcare Stocks | 231.98% | 10.74% | -142.72% |
| Industry | Biotech Stocks | 381.47% | 10.55% | -292.02% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vivo capital | 176.06K | 9.18% | $936.66K |
| Sofinnova investments | 137.72K | 7.18% | $732.68K |
| Citadel advisors | 2.37M | 6.22% | $1.78M |
| Pivotal bioventure partners investment advisor | 94.57K | 4.93% | $503.13K |
| Tang capital management | 66.88K | 3.49% | $355.80K |
| Nan fung group | 58.35K | 3.04% | $310.41K |
| Renaissance | 55.02K | 2.87% | $300.88K |
| Samsara biocapital | 48.83K | 2.55% | $259.78K |
| Board of trustees of the leland stanford junior university | 35.98K | 1.88% | $191.40K |
| Pfizer | 31.30K | 1.63% | $171.18K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Nan fung group | 58.35K | 0.52% | $310.41K |
| Pivotal bioventure partners investment advisor | 94.57K | 0.29% | $503.13K |
| Nano cap new millennium growth fund l p | 20.50K | 0.10% | $112.09M |
| Vivo capital | 176.06K | 0.08% | $936.66K |
| Pfizer | 31.30K | 0.07% | $171.18K |
| Sofinnova investments | 137.72K | 0.04% | $732.68K |
| Samsara biocapital | 48.83K | 0.03% | $259.78K |
| Board of trustees of the leland stanford junior university | 35.98K | 0.02% | $191.40K |
| Tang capital management | 66.88K | 0.01% | $355.80K |
| Shay capital | 15.96K | 0.01% | $84.90K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Renaissance | 55.02K | 0.00% | 26.40K |
| Nano cap new millennium growth fund l p | 20.50K | 0.10% | 20.50K |
| Shay capital | 15.96K | 0.01% | 15.96K |
| Blackrock | 267.07K | - | 12.11K |
| Ubs group | 515.00 | - | 512.00 |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Orbimed advisors | - | - | -1.54M |
| Acuitas investments | - | - | -630.51K |
| Adage capital partners gp | - | - | -500.00K |
| Newtyn management | - | - | -468.91K |
| Susquehanna group, llp | - | - | -147.93K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Nano cap new millennium growth fund l p | 20.50K | 0.10% | 20.50K | $112.09M |
| Shay capital | 15.96K | 0.01% | 15.96K | $84.90K |
| Citigroup | 256.00 | - | 256.00 | $1.40K |
Sold Out
| Holder | Change |
|---|---|
| Bnp paribas arbitrage, snc | -1.00 |
| Qube research | -2.00 |
| Salem investment counselors | -2.00 |
| Fmr | -121.00 |
| Wells fargo & company/mn | -211.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 17 | -29.17% | 550,535 | -31.53% | 28 | 1.63% | 6 | -14.29% | 2 | -75.00% |
| Sep 30, 2025 | 24 | 4.35% | 804,036 | -9.28% | 41 | 784.60% | 7 | 250.00% | 8 | -61.90% |
| Jun 30, 2025 | 24 | -14.29% | 889,879 | -95.14% | 2 | 40.64% | 2 | -80.00% | 22 | 340.00% |
| Mar 31, 2025 | 28 | -24.32% | 18,325,858 | -1.84% | 47 | 2.01% | 10 | -41.18% | 5 | - |
| Dec 31, 2024 | 37 | 19.35% | 18,670,034 | -0.60% | 48 | 2.02% | 17 | 70.00% | 5 | -37.50% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 47.18K | 2.46% | -1.03K |
| Vanguard US Total Market Shares ETF | 861.87K | 2.25% | -1.00 |
| Fidelity Extended Market Index | 7.20K | 0.38% | 270.00 |
| Vanguard Institutional Extnd Mkt Idx Tr | 7.06K | 0.37% | - |
| PGIM US Micro Cap Quant Equity | 5.78K | 0.30% | - |
| Fidelity Total Market Index | 5.35K | 0.28% | - |
| NT Ext Equity Mkt Idx Fd - L | 5.01K | 0.26% | 3.72K |
| Fidelity Enhanced Small Cap ETF | 90.25K | 0.24% | 1.69K |
| Spartan Extended Market Index Pool F | 3.13K | 0.16% | - |
| Bridgeway Ultra-Small Company Market | 60.20K | 0.16% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Dec 05, 2025 | Quinn William P. | President, CEO and CFO | Buy | $575.88 |
| Dec 05, 2025 | Nemec Sarah | Senior VP, Finance and PAO | Buy | $575.88 |
| Jun 06, 2025 | Nemec Sarah | Senior VP, Finance and PAO | Buy | $686.50 |
| Jun 06, 2025 | Quinn William P. | President, CEO and CFO | Buy | $686.50 |
| Dec 16, 2024 | Nemec Sarah | Senior VP, Finance and PAO | Buy | $1.24K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | - |
| 2025 Q2 | 2 | - |
| 2024 Q4 | 2 | - |
| 2024 Q3 | - | - |
| 2024 Q2 | - | - |
BOLT Ownership FAQ
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