Israel Englander’s Boundless Bio BOLD Stock Holding History

Israel Englander’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	$1.2M	Buy	478,639 +378,764	+379%	+$583K	﹤0.01%	4202
2026 Q1	$110K	Sell	99,875 -35,535	-26%	-$41.6K	﹤0.01%	5324
2025 Q4	$162K	Sell	135,410 -28,681	-17%	-$35.7K	﹤0.01%	5529
2025 Q3	$202K	Sell	164,091 -49,470	-23%	-$57.1K	﹤0.01%	5546
2025 Q2	$216K	Buy	+213,561	New	+$284K	﹤0.01%	5331
2024 Q3	–	Sell	-234,663	Closed	-$908K	–	6554
2024 Q2	$908K	Buy	234,663 +111,313	+90%	+$1.06M	﹤0.01%	4165
2024 Q1	$1.76M	Buy	+123,350	New	+$1.76M	﹤0.01%	3856

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

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

Israel Englander's BOLD Position: Q2 2026 in Review

Israel Englander increased its Boundless Bio (BOLD) stake by 379% in Q2 2026, buying an estimated $583K and bringing the position to 478,639 shares worth $1.2M. The position accounts for ﹤0.01% of the portfolio, ranked #4202.

Israel Englander first reported a position in BOLD in Q1 2024 and has held it in 7 quarters since. The position peaked at $1.76M in Q1 2024. 40 funds tracked by Wall St. Rank hold BOLD as of Q2 2026.

Israel Englander held 478,639 shares of Boundless Bio worth $1.2M as of Q2 2026.
Israel Englander bought 378,764 Boundless Bio shares in Q2 2026, an estimated $583K.
Boundless Bio made up ﹤0.01% of Israel Englander's portfolio in Q2 2026, its #4202 holding.
Israel Englander first reported a position in Boundless Bio in Q1 2024 and has held it in 7 quarters since.
Israel Englander's Boundless Bio position peaked at $1.76M in Q1 2024.
40 funds tracked by Wall St. Rank held Boundless Bio as of Q2 2026.

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