Boundless Bio, Inc.
BOLD- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001782303
In the last 90 days, Boundless Bio, Inc. insiders filed 6 open-market purchases and 2 sales; 40 institutions reported holding it in 13F filings for Q2 2026, worth $38.3M in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Boundless Bio, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 44
- −10 vs. Q1 2025
- Shares held
- 9.79M
- −7.18M (−42.3%) vs. Q1 2025
- Total value
- $9.88M
- −$9.76M (−49.7%) vs. Q1 2025
- New holders
- 11
- 7 more added
- Sold out
- 21
- 19 more reduced
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting BOLD on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 40 | $38.3M |
| Q1 2026 | 36 | $9.33M |
| Q4 2025 | 36 | $10.5M |
| Q3 2025 | 35 | $11.8M |
| Q2 2025 | 44 | $9.88M |
| Q1 2025 | 54 | $19.6M |
| Q4 2024 | 55 | $37.6M |
| Q3 2024 | 55 | $46.1M |
| Q2 2024 | 47 | $53.4M |
| Q1 2024 | 43 | $208.8M |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Boundless Bio, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 3,125,103 | $3.16M | 0.00% | −32,669−1.0% | Reduced |
| Nextech Invest, Ltd. | 1,228,069 | $1.24M | 0.23% | 00.0% | Unchanged |
| Citadel Advisors LLC | 830,936 | $839.2K | 0.00% | 00.0% | Unchanged |
| Sectoral Asset Management Inc | 678,574 | $685.4K | 0.45% | 00.0% | Unchanged |
| Redmile Group, LLC | 589,034 | $594.9K | 0.06% | −136,170−18.8% | Reduced |
| Wellington Management Group LLP | 556,233 | $561.8K | 0.00% | 00.0% | Unchanged |
| Vanguard Group Inc | 481,267 | $486.1K | 0.00% | −105,173−17.9% | Reduced |
| Alyeska Investment Group, L.P. | 300,000 | $303.0K | 0.00% | 00.0% | Unchanged |
| Almitas Capital LLC | 235,505 | $237.9K | 0.06% | +1,127+0.5% | Added |
| Millennium Management LLC | 213,561 | $215.7K | 0.00% | +213,561 | New |
| Northern Trust Corp | 207,500 | $209.6K | 0.00% | −107,865−34.2% | Reduced |
| RBF Capital, LLC | 200,000 | $202.0K | 0.01% | +200,000 | New |
| Ensign Peak Advisors, Inc | 187,500 | $189.4K | 0.00% | 00.0% | Unchanged |
| Sio Capital Management, LLC | 163,679 | $165.3K | 0.07% | +1,621+1.0% | Added |
| Renaissance Technologies LLC | 121,000 | $122.2K | 0.00% | +106,600+740.3% | Added |
| Stonepine Capital Management, LLC | 106,175 | $107.2K | 0.11% | +106,175 | New |
| Goldman Sachs Group Inc | 70,304 | $71.0K | 0.00% | +35,877+104.2% | Added |
| BlackRock, Inc. | 64,258 | $64.9K | 0.00% | −563,939−89.8% | Reduced |
| Geode Capital Management, LLC | 58,903 | $59.5K | 0.00% | −188,240−76.2% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 55,242 | $55.8K | 0.00% | +55,242 | New |
| Bridgeway Capital Management, LLC | 50,500 | $51.0K | 0.00% | +50,500 | New |
| XTX Topco Ltd | 40,064 | $40.5K | 0.00% | +14,147+54.6% | Added |
| Walleye Capital LLC | 39,624 | $40.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 32,211 | $32.5K | 0.00% | +8,968+38.6% | Added |
| HRT Financial LP | 27,509 | $27.0K | 0.00% | +27,509 | New |
| Qube Research & Technologies Ltd | 21,542 | $21.8K | 0.00% | +21,542 | New |
| Squarepoint Ops LLC | 18,399 | $18.6K | 0.00% | +18,399 | New |
| Morgan Stanley | 16,739 | $16.9K | 0.00% | −19,367−53.6% | Reduced |
| State Street Corp | 15,962 | $16.1K | 0.00% | −32,224−66.9% | Reduced |
| Abel Hall, LLC | 14,399 | $14.5K | 0.01% | +14,399 | New |
| Acadian Asset Management LLC | 13,753 | $13.0K | 0.00% | −8,334−37.7% | Reduced |
| Bank of America Corp | 7,775 | $7.85K | 0.00% | −7,519−49.2% | Reduced |
| Tower Research Capital LLC (TRC) | 6,072 | $6.13K | 0.00% | −346−5.4% | Reduced |
| Wells Fargo & Company | 2,582 | $2.61K | 0.00% | −6,283−70.9% | Reduced |
| Citigroup Inc | 2,551 | $2.58K | 0.00% | −9,319−78.5% | Reduced |
| BNP Paribas Arbitrage, SA | 1,970 | $1.99K | 0.00% | −16,923−89.6% | Reduced |
| JPMorgan Chase & Co | 1,127 | $1.14K | 0.00% | −18,125−94.1% | Reduced |
| Raymond James Financial Inc | 1,000 | $1.01K | 0.00% | +1,000 | New |
| CWM, LLC | 562 | $1.00K | 0.00% | +132+30.7% | Added |
| Clearstead Advisors, LLC | 24 | $25 | 0.00% | +24 | New |
| UBS Group AG | 13 | $13 | 0.00% | −7,557−99.8% | Reduced |
| Barclays PLC | 2 | $2 | 0.00% | −17,853−100.0% | Reduced |
| EverSource Wealth Advisors, LLC | 2 | $2 | 0.00% | −1−33.3% | Reduced |
| Royal Bank of Canada | 97 | $0 | 0.00% | −765−88.7% | Reduced |
| Ra Capital Management, L.P. | 0 | $0 | 0.00% | −2,180,631−100.0% | Sold out |
| Boxer Capital Management, LLC | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| PFM Health Sciences, LP | 0 | $0 | 0.00% | −240,513−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −40,458−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −22,100−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −16,624−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −15,360−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −12,272−100.0% | Sold out |
| Rhumbline Advisers | 0 | $0 | 0.00% | −12,231−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −11,809−100.0% | Sold out |
| Mirae Asset Global ETFs Holdings Ltd. | 0 | $0 | 0.00% | −9,398−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −8,257−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −1,449−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −1,309−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −618−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −265−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −208−100.0% | Sold out |
| Sterling Capital Management LLC | 0 | $0 | 0.00% | −119−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −218−100.0% | Sold out |
| Nuveen, LLC | 0 | $0 | 0.00% | −3,958,413−100.0% | Sold out |