BlackRock’s Boundless Bio BOLD Stock Holding History

BlackRock’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	$221K	Buy	88,495 +17,820	+25%	+$27.4K	﹤0.01%	4789
2026 Q1	$77.7K	Buy	70,675 +3,627	+5%	+$4.24K	﹤0.01%	5019
2025 Q4	$80.5K	Buy	67,048 +1,674	+3%	+$2.09K	﹤0.01%	4953
2025 Q3	$80.4K	Buy	65,374 +1,116	+2%	+$1.29K	﹤0.01%	4886
2025 Q2	$64.9K	Sell	64,258 -563,939	-90%	-$749K	﹤0.01%	4936
2025 Q1	$949K	Sell	628,197 -20,974	-3%	-$43.5K	﹤0.01%	4203
2024 Q4	$1.88M	Buy	649,171 +240,485	+59%	+$701K	﹤0.01%	4051
2024 Q3	$1.42M	Sell	408,686 -108,408	-21%	-$393K	﹤0.01%	4094
2024 Q2	$2M	Buy	517,094 +367,094	+245%	+$3.51M	﹤0.01%	3965
2024 Q1	$2.14M	Buy	+150,000	New	+$2.14M	﹤0.01%	3982

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

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

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

BlackRock's BOLD Position: Q2 2026 in Review

BlackRock increased its Boundless Bio (BOLD) stake by 25% in Q2 2026, buying an estimated $27.4K and bringing the position to 88,495 shares worth $221K. The position accounts for ﹤0.01% of the portfolio, ranked #4789.

BlackRock first reported a position in BOLD in Q1 2024 and has held it in 10 quarters since. The position peaked at $2.14M in Q1 2024. 40 funds tracked by Wall St. Rank hold BOLD as of Q2 2026.

BlackRock held 88,495 shares of Boundless Bio worth $221K as of Q2 2026.
BlackRock bought 17,820 Boundless Bio shares in Q2 2026, an estimated $27.4K.
Boundless Bio made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #4789 holding.
BlackRock first reported a position in Boundless Bio in Q1 2024 and has held it in 10 quarters since.
BlackRock's Boundless Bio position peaked at $2.14M in Q1 2024.
40 funds tracked by Wall St. Rank held Boundless Bio as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.