Wellington Management Group’s Boundless Bio BOLD Stock Holding History

Wellington Management Group’s Portfolio BOLD Stock Details BOLD Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.39M	Hold	556,233	–	–	﹤0.01%	1693
2026 Q1	$612K	Hold	556,233	–	–	﹤0.01%	1751
2025 Q4	$667K	Hold	556,233	–	–	﹤0.01%	1783
2025 Q3	$684K	Hold	556,233	–	–	﹤0.01%	1843
2025 Q2	$562K	Hold	556,233	–	–	﹤0.01%	1808
2025 Q1	$840K	Hold	556,233	–	–	﹤0.01%	1741
2024 Q4	$1.61M	Sell	556,233 -391,379	-41%	-$1.14M	﹤0.01%	1622
2024 Q3	$3.29M	Sell	947,612 -790	-0.1%	-$2.86K	﹤0.01%	1427
2024 Q2	$3.62M	Sell	948,402 -223,571	-19%	-$2.14M	﹤0.01%	1389
2024 Q1	$16.3M	Buy	+1,171,973	New	+$16.7M	﹤0.01%	995

Other funds holding BOLD

AVM

Arch Venture Management Chicago, Illinois $1.1B AUM 356.62% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

TCM

Tang Capital Management San Diego, California $2.2B AUM 156.35% 1-Year Est. Return

ACM

ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return

CAM

Cormorant Asset Management Boston, Massachusetts $1.95B AUM 773.9% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return

AAA

Affinity Asset Advisors New York $2.21B AUM 431.26% 1-Year Est. Return

Wellington Management Group's BOLD Position: Q2 2026 in Review

Wellington Management Group held its Boundless Bio (BOLD) position steady in Q2 2026 at 556,233 shares worth $1.39M. The position accounts for ﹤0.01% of the portfolio, ranked #1693.

Wellington Management Group first reported a position in BOLD in Q1 2024 and has held it in 10 quarters since. The position peaked at $16.3M in Q1 2024. 40 funds tracked by Wall St. Rank hold BOLD as of Q2 2026.

Wellington Management Group held 556,233 shares of Boundless Bio worth $1.39M as of Q2 2026.
Wellington Management Group left its Boundless Bio share count unchanged in Q2 2026.
Boundless Bio made up ﹤0.01% of Wellington Management Group's portfolio in Q2 2026, its #1693 holding.
Wellington Management Group first reported a position in Boundless Bio in Q1 2024 and has held it in 10 quarters since.
Wellington Management Group's Boundless Bio position peaked at $16.3M in Q1 2024.
40 funds tracked by Wall St. Rank held Boundless Bio as of Q2 2026.

Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.