Renaissance Technologies’s Boundless Bio BOLD Stock Holding History

Renaissance Technologies’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	$1.18M	Buy	471,570 +72,570	+18%	+$112K	﹤0.01%	2231
2026 Q1	$439K	Buy	399,000 +57,600	+17%	+$67.4K	﹤0.01%	2655
2025 Q4	$410K	Buy	341,400 +117,838	+53%	+$147K	﹤0.01%	2649
2025 Q3	$275K	Buy	223,562 +102,562	+85%	+$118K	﹤0.01%	3035
2025 Q2	$122K	Buy	121,000 +106,600	+740%	+$142K	﹤0.01%	3272
2025 Q1	$21.7K	Buy	+14,400	New	+$29.9K	﹤0.01%	3356
2024 Q4	–	Sell	-28,700	Closed	-$99.6K	–	3968
2024 Q3	$99.6K	Sell	28,700 -16,683	-37%	-$60.5K	﹤0.01%	3258
2024 Q2	$176K	Buy	+45,383	New	+$434K	﹤0.01%	3072

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

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

Renaissance Technologies's BOLD Position: Q2 2026 in Review

Renaissance Technologies increased its Boundless Bio (BOLD) stake by 18% in Q2 2026, buying an estimated $112K and bringing the position to 471,570 shares worth $1.18M. The position accounts for ﹤0.01% of the portfolio, ranked #2231.

Renaissance Technologies first reported a position in BOLD in Q2 2024 and has held it in 8 quarters since. 40 funds tracked by Wall St. Rank hold BOLD as of Q2 2026.

Renaissance Technologies held 471,570 shares of Boundless Bio worth $1.18M as of Q2 2026.
Renaissance Technologies bought 72,570 Boundless Bio shares in Q2 2026, an estimated $112K.
Boundless Bio made up ﹤0.01% of Renaissance Technologies's portfolio in Q2 2026, its #2231 holding.
Renaissance Technologies first reported a position in Boundless Bio in Q2 2024 and has held it in 8 quarters since.
40 funds tracked by Wall St. Rank held Boundless Bio as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.