GPCR — Structure Therapeutics Inc

Ownership history in Siren, L.L.C.  ·  2 quarters on record

This page tracks every 13F SEC filing in which Siren, L.L.C. reported a position in Structure Therapeutics Inc (GPCR). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
2.24% (2025 Q4)
Avg. % of fund
1.68%
First filed
2025 Q3
Last filed
2025 Q4
Quarters held
2
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 1,078,698 +51,887 +5.1% 2.24% $75.0M $69.55
2025 Q3 INITIATED 1,026,811 — — 1.12% $28.8M $28.00
% of Fund (quarterly)    GPCR price (monthly, adj. close)

Other funds also holding GPCR

As of 2025 Q4 — sorted by position size

Monashee Investment Management LLC 3Y 7Y 8.82% BVF INC/IL 3Y 7Y 8.15% Deep Track Capital, LP 3Y 5.1% Casdin Capital, LLC 3Y 7Y 5.08% B Group, Inc. 4.62% Avoro Capital Advisors LLC 3Y 7Y 4.48% Capricorn Fund Managers Ltd 3Y 4.23% STEMPOINT CAPITAL LP 4.19% Birchview Capital, LP 3Y 7Y 3.66% HighVista Strategies LLC 3Y 7Y 3.46%
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