IRON — DISC MEDICINE INC

Ownership history in Caption Management, LLC  ·  11 quarters on record

This page tracks every 13F SEC filing in which Caption Management, LLC reported a position in DISC MEDICINE INC (IRON). 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
0.25% (2025 Q2)
Avg. % of fund
0.06%
First filed
2023 Q3
Last filed
2025 Q3
Quarters held
11
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 7,600 -418,700 -98.2% 0.00% $502K $66.08
2025 Q2 ADDED 426,300 +407,200 +2131.9% 0.25% $22.6M $52.96
2025 Q1 REDUCED 19,100 -3,400 -15.1% 0.01% $948K $49.64
2024 Q2 REDUCED 22,500 -47,300 -67.8% 0.02% $1.0M $45.07
7 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    IRON price (monthly, adj. close)

Other funds also holding IRON

As of 2025 Q4 — sorted by position size

Foresite Capital Management V, LLC 3Y 14.45% Atlas Venture Life Science Advisors, LLC 3Y 13.9% Checkpoint Capital L.P. 11.24% GREAT POINT PARTNERS LLC 3Y 7Y 6.44% Saturn V Capital Management LP 3Y 4.35% Palo Alto Investors LP 3Y 7Y 3.51% Lion Point Capital, LP 3Y 7Y 3.33% First Light Asset Management, LLC 3Y 7Y 3.18% Frazier Life Sciences Management, L.P. 3Y 2.69% Logos Global Management LP 3Y 2.45%
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