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Boundless Bio, Inc.

BOLD
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001782303

In the last 90 days, Boundless Bio, Inc. insiders filed 4 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.

Q2 2025 vs. Q1 2025

How the institutions holding Boundless Bio, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of BOLD: Q1 2025 compared with Q2 2025
MeasureQ1 2025Q2 2025Change
Holders5444−10
Shares17.0M9.79M−7.18M (−42.3%)
Value$19.6M$9.88M−$9.76M (−49.7%)

New holders (11)

Institutions that held Boundless Bio, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to BOLD in Q2 2025
InstitutionSharesValue% of portfolio
Millennium Management LLC213,561$215.7K0.00%
RBF Capital, LLC200,000$202.0K0.01%
Stonepine Capital Management, LLC106,175$107.2K0.11%
Y-Intercept (Hong Kong) Ltd55,242$55.8K0.00%
Bridgeway Capital Management, LLC50,500$51.0K0.00%
HRT Financial LP27,509$27.0K0.00%
Qube Research & Technologies Ltd21,542$21.8K0.00%
Squarepoint Ops LLC18,399$18.6K0.00%
Abel Hall, LLC14,399$14.5K0.01%
Raymond James Financial Inc1,000$1.01K0.00%
Clearstead Advisors, LLC24$250.00%

Sold out (21)

Institutions that held Boundless Bio, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.