Sio Capital Management’s Boundless Bio BOLD Stock Holding History

Sio Capital Management’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 Q1	$180K	Hold	163,679	–	–	0.03%	68
2025 Q4	$196K	Hold	163,679	–	–	0.03%	65
2025 Q3	$201K	Hold	163,679	–	–	0.05%	46
2025 Q2	$165K	Buy	163,679 +1,621	+1%	+$2.15K	0.06%	47
2025 Q1	$245K	Hold	162,058	–	–	0.07%	50
2024 Q4	$470K	Hold	162,058	–	–	0.13%	43
2024 Q3	$562K	Hold	162,058	–	–	0.22%	31
2024 Q2	$627K	Buy	162,058 +19,058	+13%	+$182K	0.17%	41
2024 Q1	$2.04M	Buy	+143,000	New	+$2.04M	0.61%	37

Other funds holding BOLD

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

SAM

Sectoral Asset Management Montreal, Quebec, Canada $121M AUM 73.47% 1-Year Est. Return

SCM

Stonepine Capital Management Bend, Oregon $250M AUM 77.6% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

RBF Capital San Francisco, California $2.05B AUM 29.64% 1-Year Est. Return

Ensign Peak Advisors Salt Lake City, Utah $53.7B AUM 29.47% 1-Year Est. Return

Sio Capital Management's BOLD Position: Q1 2026 in Review

Sio Capital Management held its Boundless Bio (BOLD) position steady in Q1 2026 at 163,679 shares worth $180K. The position accounts for 0.03% of the portfolio, ranked #68.

Sio Capital Management first reported a position in BOLD in Q1 2024 and has held it in 9 quarters since. The position peaked at $2.04M in Q1 2024. 36 funds tracked by Wall St. Rank hold BOLD as of Q1 2026.

Sio Capital Management held 163,679 shares of Boundless Bio worth $180K as of Q1 2026.
Sio Capital Management left its Boundless Bio share count unchanged in Q1 2026.
Boundless Bio made up 0.03% of Sio Capital Management's portfolio in Q1 2026, its #68 holding.
Sio Capital Management first reported a position in Boundless Bio in Q1 2024 and has held it in 9 quarters since.
Sio Capital Management's Boundless Bio position peaked at $2.04M in Q1 2024.
36 funds tracked by Wall St. Rank held Boundless Bio as of Q1 2026.

Based on Sio Capital Management's 13F filing for Q1 2026, filed 14 May 2026.