Boundless Bio

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Major Shareholders Latest
Shareholder
Tang Capital Management, LLC	12.73%	2.86M	--	+2.86M	07/21/2026
FMR LLC	12.00%	2.70M	0.02%	+11.43K	03/31/2026
Arch Venture Partners, L.P.	11.99%	2.69M	0.03%	+0	07/01/2026
Bayer Aktiengesellschaft	7.19%	1.62M	0.02%	+0	04/20/2026
Citadel Advisors LLC	5.97%	1.34M	0.07%	-11.77K	03/31/2026
Sectoral Asset Management Inc.	3.02%	678.57K	<0.01%	+0	03/31/2026
Citadel Securities LLC	2.68%	602.45K	<0.01%	+0	11/26/2025
Stonepine Capital Management LLC	2.66%	597.68K	0.51%	-112.39K	03/31/2026
Vanguard Capital Management, LLC	2.66%	597.19K	--	+597.19K	03/31/2026
Wellington Management Group LLP	2.48%	556.23K	<0.01%	+0	03/31/2026
City Hill Ventures, LLC	2.45%	550.92K	<0.01%	+0	04/20/2026
Renaissance Technologies LLC	1.78%	399.00K	0.25%	+57.60K	03/31/2026
Alyeska Investment Group, L.P.	1.34%	300.00K	<0.01%	+0	03/31/2026
Zachary HornbyFormer CEO, President & Director	1.14%	256.41K	<0.01%	+0	04/20/2026
RBF Capital LLC	0.89%	200.00K	<0.01%	+0	03/31/2026
Ensign Peak Advisors, Inc.	0.83%	187.50K	<0.01%	+0	03/31/2026
Sio Capital Management, LLC	0.73%	163.68K	<0.01%	+0	03/31/2026
Geode Capital Management, LLC	0.57%	127.58K	0.15%	+33.48K	03/31/2026
Jonathan LimCo-Founder & Independent Chairman	0.46%	102.56K	<0.01%	+0	04/20/2026
Millennium Management LLC	0.44%	99.88K	0.16%	-35.54K	03/31/2026

All Shareholders