BOLT Institutional Ownership & Shareholders
BOLT BIOTHERAPEUTICS INC (BOLT) is currently held by 23 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $2.30M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Sofinnova Investments, Inc. is currently the largest disclosed institutional shareholder of BOLT tracked by InsiderSet, reporting ownership valued at approximately $530,226 in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $859,379.04, representing an estimated gain of +62.08% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 92% of the total disclosed BOLT value among the investors covered in this analysis. Major shareholders include Sofinnova Investments, Inc., Renaissance Technologies LLC, Vivo Capital, Llc, and several other long-term asset managers with concentrated positions in BOLT BIOTHERAPEUTICS INC (BOLT).
This page ranks the largest institutional BOLT shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
23
Total Reported Value
$2.30M
Largest Holder
Sofinnova Investments, Inc.
Largest Position
$530,226
Insider Transactions (90d)
22
Latest Filing Quarter
Q2 2026
New Institutional Positions
28
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Sofinnova Investments, Inc. | 0.03% | 137,721 | $530,226 | $859,379 | +$329,153 | +62.08% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 98,625 | $379,706 | $615,420 | +$235,714 | +62.08% |
| Vivo Capital, Llc | 0.03% | 72,414 | $278,794 | $451,863 | +$173,069 | +62.08% | |
| Citadel Advisors Llc | 0.00% | 56,903 | $219,077 | $355,075 | +$135,998 | +62.08% | |
| T3 Companies, Llc | 0.14% | 38,000 | $139,840 | $237,120 | +$97,280 | +69.57% | |
| Board Of Trustees Of The Leland Stanford Junior University | 0.03% | 35,977 | $138,511 | $224,496 | +$85,985 | +62.08% | |
| Pfizer Inc | 0.08% | 31,305 | $133,832 | $195,343 | +$61,511 | +45.96% | |
| Lynx1 Capital Management Lp | 0.01% | 30,800 | $118,580 | $192,192 | +$73,612 | +62.08% | |
| Nano Cap New Millennium Growth Fund L P | 0.08% | 27,500 | $105,875 | $171,600 | +$65,725 | +62.08% | |
| Geode Capital Management, Llc | 0.00% | 19,119 | $73,622 | $119,303 | +$45,681 | +62.05% | |
| Shay Capital Llc | 0.01% | 15,438 | $59,436 | $96,333 | +$36,897 | +62.08% | |
| Blackrock, Inc. | 0.00% | 9,711 | $37,388 | $60,597 | +$23,209 | +62.08% | |
| Vanguard Capital Management Llc | 0.00% | 7,060 | $27,181 | $44,054 | +$16,873 | +62.08% | |
| Nan Fung Group Holdings Ltd | 0.01% | 5,000 | $19,250 | $31,200 | +$11,950 | +62.08% | |
| Morgan Stanley | 0.00% | 3,145 | $12,108 | $19,625 | +$7,517 | +62.08% | |
| Vanguard Fiduciary Trust Co | 0.00% | 3,095 | $11,916 | $19,313 | +$7,397 | +62.07% | |
| Newedge Advisors, Llc | 0.00% | 2,530 | $9,740 | $15,787 | +$6,047 | +62.09% | |
| Tower Research Capital Llc (Trc) | 0.00% | 1,710 | $6,584 | $10,670 | +$4,086 | +62.07% | |
| Ubs Group Ag | 0.00% | 255 | $982 | $1,591 | +$609 | +62.04% | |
| Jpmorgan Chase & Co | 0.00% | 42 | $165 | $262 | +$97 | +58.84% | |
| Citigroup Inc | 0.00% | 41 | $158 | $256 | +$98 | +61.92% | |
| Sbi Securities Co., Ltd. | 0.00% | 10 | $37 | $62 | +$25 | +68.65% | |
| Barclays Plc | 0.00% | 6 | $23 | $37 | +$14 | +62.78% |
Frequently asked questions about BOLT
Who are the largest institutional holders of BOLT?
The largest institutional holders of BOLT reported in the latest SEC Form 13F filings include Sofinnova Investments, Inc., Renaissance Technologies LLC, Vivo Capital, Llc, Citadel Advisors Llc, and T3 Companies, Llc. InsiderSet ranks institutional holders by their latest reported BOLT position.
What is BOLT institutional ownership?
This page tracks BOLT positions reported by institutional investment managers through SEC Form 13F. BOLT BIOTHERAPEUTICS INC (BOLT) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own BOLT?
InsiderSet currently tracks 23 institutional managers reporting BOLT holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of BOLT shareholders.
How much BOLT stock do institutions own?
Institutional investment managers disclosed approximately $2.30M in BOLT holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was BOLT institutional ownership last updated?
The latest BOLT institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional BOLT holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its BOLT position after the reporting date.
Are institutions buying or selling BOLT?
Institutional buying and selling can be analyzed by comparing BOLT positions across consecutive 13F reporting periods. InsiderSet's BOLT Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View BOLT ownership changes.
How has BOLT institutional ownership changed over time?
InsiderSet tracks BOLT institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.