Type / Class
Equity / Common Stock, par value $0.0001 per share
Number of holders
34
Total 13F shares, excl. options
9.62M
Shares change
-164K
Total reported value, excl. options
$11.8M
Value change
-$175K
Number of buys
9
Number of sells
-23
Price
$1.23

Significant Holders of Boundless Bio, Inc. - Common Stock, par value $0.0001 per share (BOLD) as of Q3 2025

44 filings reported holding BOLD - Boundless Bio, Inc. - Common Stock, par value $0.0001 per share as of Q3 2025.
Boundless Bio, Inc. - Common Stock, par value $0.0001 per share (BOLD) has 34 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 9.62M shares .
Largest 10 shareholders include FMR LLC (3.1M shares), Nextech Invest, Ltd. (1.23M shares), CITADEL ADVISORS LLC (876K shares), SECTORAL ASSET MANAGEMENT INC (679K shares), VANGUARD GROUP INC (570K shares), WELLINGTON MANAGEMENT GROUP LLP (556K shares), Stonepine Capital Management, LLC (413K shares), Alyeska Investment Group, L.P. (300K shares), Redmile Group, LLC (245K shares), and RENAISSANCE TECHNOLOGIES LLC (224K shares).
This table shows the top 34 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
Investor Option Weight % Change % Value $ * Price $ Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.