BOUNDLESS BIO INC (BOLD) Institutional Ownership and Insiders Activity

BOUNDLESS BIO INC (BOLD) is widely held by institutional investors, with 41 firms reporting positions valued at approximately $38.06M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Arch Venture Management, Llc is the largest disclosed holder, reporting approximately $6.74M in BOLD holdings in its latest filing.

Recent insider activity includes 13 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.