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Sio Capital Management, LLC

Position in BOLD — Boundless Bio, Inc.

CIK 1482416 NEW YORK, NY

Position in BOLD

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$180,046
-$16,368 QoQ
Shares Held
163,679
0.0% QoQ
Ownership
0.729%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2024
9 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BOLD Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Sio Capital Management, LLC holds $315,732,064 across 42 Biotechnology names. BOLD ranks #41 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in BOLD

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9 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $180,046 163,679
2025-12-31 $196,414 163,679
2025-09-30 $201,325 163,679
2025-06-30 $165,315 163,679
2025-03-31 $244,707 162,058
2024-12-31 $469,968 162,058
2024-09-30 $562,341 162,058
2024-06-30 $627,164 162,058
2024-03-31 $2,037,750 143,000