Bolt Biotherapeutics
BOLT · NASDAQ
$4.31+$0.27 (+6.68%)TodayMarket closed ·
Prev close $4.04
Who owns BOLT
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 28.4% of BOLT’s shares.
- Sofinnova Investments, Inc7.2%
- Renaissance Technologies LLC5.1%
- Vivo Capital, LLC3.8%
- Citadel Advisors LLC3.0%
- Next 6 largest institutions9.3%
- All other shareholders71.6%
| Holder | Shares | % of shares |
|---|---|---|
| Sofinnova Investments, Inc | 137.72K | 7.17% |
| Renaissance Technologies LLC | 98.63K | 5.14% |
| Vivo Capital, LLC | 72.41K | 3.77% |
| Citadel Advisors LLC | 56.90K | 2.96% |
| T3 Companies, LLC | 38.00K | 1.98% |
| Stanford Management Company | 35.98K | 1.87% |
| Pfizer Inc. | 31.30K | 1.63% |
| Lynx1 Capital Advisors LLC | 30.80K | 1.60% |
| Nemec (Sarah) | 23.95K | 1.25% |
| Geode Capital Management, L.L.C. | 19.12K | 1.00% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Fidelity Extended Market Index Fund | 7.51K | 0.39% |
| Vanguard Extended Market Index Fund | 7.06K | 0.37% |
| Fidelity Total Market Index Fund | 5.35K | 0.28% |
| Fidelity Series Total Market Index Fund | 1.70K | 0.09% |
| BlackRock Diversified Equity Alpha Fund | 89 | 0.00% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $4.44K (2 trades) and sold $128.28K (9 trades) of BOLT on the open market.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Nemec Sarah | Sale | 4.08K | $13.19K |
| Quinn William P. | Sale | 9.13K | $29.55K |
| Yonehiro Grant | Sale | 6.85K | $22.17K |
| Nemec Sarah | Sale | 2.92K | $9.70K |
| Quinn William P. | Sale | 6.54K | $21.72K |
| Yonehiro Grant | Sale | 4.91K | $16.29K |
| Nemec Sarah | Sale | 843 | $3.18K |
| Quinn William P. | Sale | 1.89K | $7.13K |
| Yonehiro Grant | Sale | 1.42K | $5.35K |
| Berner Laura | Award | 5.00K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 25.74K
- Days to cover
- 1.00
- % of shares outstanding
- 1.34%
- Average daily volume
- 42.28K
- Change since last report
- +39.2%
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