BOLT BIOTHERAPEUTICS INC (BOLT) Institutional Ownership Changes & 13F Activity
BOLT BIOTHERAPEUTICS INC (BOLT). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Citadel Advisors Llc, Pivotal Bioventure Partners Investment Advisor Llc, Nan Fung Group Holdings Ltd, Renaissance Technologies LLC, and Susquehanna International Group, Llp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +46,794 | +462.9% | 56,903 | $219.08K | Q2 2026 | Sep 02, 2026 |
| Shay Capital Llc | Buy | +533 | +3.6% | 15,438 | $59.44K | Q2 2026 | Aug 14, 2026 |
| Nan Fung Group Holdings Ltd | Sell | -24,250 | -82.9% | 5,000 | $19.25K | Q2 2026 | Aug 13, 2026 |
| Renaissance Technologies LLC | Buy | +21,400 | +27.7% | 98,625 | $379.71K | Q2 2026 | Aug 13, 2026 |
| Ubs Group Ag | Sell | -532 | -67.6% | 255 | $982.00 | Q2 2026 | Aug 13, 2026 |
| Morgan Stanley | Sell | -44 | -1.4% | 3,145 | $12.11K | Q2 2026 | Aug 13, 2026 |
| Geode Capital Management, Llc | Sell | -9,672 | -33.6% | 19,119 | $73.62K | Q2 2026 | Aug 12, 2026 |
| Newedge Advisors, Llc | Buy | +2,530 | — | 2,530 | $9.74K | Q2 2026 | Aug 12, 2026 |
| Jpmorgan Chase & Co | Buy | +42 | — | 42 | $165.00 | Q2 2026 | Aug 12, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +617 | +56.5% | 1,710 | $6.58K | Q2 2026 | Aug 11, 2026 |
| Citigroup Inc | Buy | +41 | — | 41 | $158.00 | Q2 2026 | Aug 03, 2026 |
| Sbi Securities Co., Ltd. | Buy | +120 | +1200.0% | 130 | $501.00 | Q2 2026 | Jul 23, 2026 |
| Susquehanna International Group, Llp | Sell | -11,657 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Pivotal Bioventure Partners Investment Advisor Llc | Sell | -42,581 | -100.0% | 0 | $0.00 | Q2 2026 | May 14, 2026 |
| Vanguard Global Advisers, Llc | Sell | -24 | -100.0% | 0 | $0.00 | Q2 2026 | May 08, 2026 |
Frequently asked questions about BOLT activity
Which institutional owners are buying BOLT?
Institutional owners buying BOLT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in BOLT activity?
"Buy" means an investor increased their reported position in BOLT compared to the prior reporting period. This reflects growing exposure to BOLT BIOTHERAPEUTICS INC (BOLT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in BOLT increasing?
Institutional interest in BOLT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.