TIL — Instil Bio Inc

Ownership history in Siren, L.L.C.  ·  6 quarters on record

This page tracks every 13F SEC filing in which Siren, L.L.C. reported a position in Instil Bio Inc (TIL). 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
0.65% (2024 Q3)
Avg. % of fund
0.24%
First filed
2024 Q3
Last filed
2025 Q4
Quarters held
6
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 UNCHANGED 203,933 — 0% 0.07% $2.2M $11.00
2025 Q3 UNCHANGED 203,933 — 0% 0.14% $3.6M $17.86
2025 Q2 UNCHANGED 203,933 — 0% 0.22% $4.2M $20.83
2025 Q1 ADDED 203,933 +11,500 +6.0% 0.20% $3.5M $17.36
2 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    TIL price (monthly, adj. close)

Other funds also holding TIL

As of 2025 Q4 — sorted by position size

CPMG Inc 3Y 7Y 18.33% BML Capital Management, LLC 3Y 6.14% Vivo Capital, LLC 3Y 7Y 0.21% AlphaQuest LLC 0.02% Americana Partners, LLC 3Y 0.0% XTX Topco Ltd 3Y 0.0% Quadrature Capital Ltd 3Y 7Y 0.0% RENAISSANCE TECHNOLOGIES LLC 3Y 7Y 0.0% MILLENNIUM MANAGEMENT LLC 3Y 7Y 0.0% NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.0%
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