Disc Medicine, Inc.

IRON

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001816736

SEC filings (opens in a new tab)

In the last 90 days, Disc Medicine, Inc. insiders filed 0 open-market purchases and 9 sales; 216 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.

Q3 2024 vs. Q2 2024

How the institutions holding Disc Medicine, Inc. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024 All holders in Q2 2024

13F holders of IRON: Q2 2024 compared with Q3 2024
Measure	Q2 2024	Of which not filed for Q3 2024	Q3 2024	Change
Holders	121	2	132	+13
Shares	27.6M	1.44M	27.4M	+1.25M (+4.8%)
Value	$1.24B	$64.8M	$1.35B	+$169.3M (+14.4%)

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (25)

Institutions that held Disc Medicine, Inc. at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to IRON in Q3 2024
Institution	Shares	Value	% of portfolio
BlackRock, Inc.	1,851,153	$91.0M	0.00%
Armistice Capital, LLC	160,000	$7.86M	0.21%
Dimensional Fund Advisors LP	53,566	$2.63M	0.00%
Checkpoint Capital L.P.	25,543	$1.26M	0.62%
ADAR1 Capital Management, LLC	22,564	$1.11M	0.19%
Verition Fund Management LLC	11,980	$588.7K	0.00%
HighVista Strategies LLC	9,565	$470.0K	0.16%
Y-Intercept (Hong Kong) Ltd	9,057	$445.1K	0.03%
Squarepoint Ops LLC	8,805	$432.7K	0.00%
Two Sigma Advisers, LP	7,900	$388.2K	0.00%
Lion Point Capital, LP	7,700	$378.4K	1.52%
Pale Fire Capital SE	6,609	$324.8K	0.05%
ProShare Advisors LLC	5,508	$270.7K	0.00%
Arizona State Retirement System	5,121	$251.6K	0.00%
Intech Investment Management LLC	4,647	$228.4K	0.00%
Teacher Retirement System of Texas	4,461	$219.0K	0.00%
Quantbot Technologies LP	2,964	$145.7K	0.01%
Quest Partners LLC	2,670	$131.2K	0.01%
Public Employees Retirement Association of Colorado	730	$36.0K	0.00%
Sterling Capital Management LLC	63	$3.10K	0.00%
Clear Street Markets LLC	60	$3.00K	0.00%
Bessemer Group Inc	25	$1.00K	0.00%
Wolff Wiese Magana LLC	14	$688	0.00%
Aster Capital Management (DIFC) Ltd	6	$295	0.00%
Capital Performance Advisors LLP	2	$98	0.00%

Sold out (12)

Institutions that held Disc Medicine, Inc. at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of IRON in Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
Polar Capital Holdings Plc	244,928	$11.0M
First Turn Management, LLC	138,907	$6.26M
Sphera Funds Management Ltd.	58,044	$2.62M
Marshall Wace, LLP	12,300	$554.4K
PDT Partners, LLC	12,103	$545.5K
Jump Financial, LLC	9,475	$427.0K
Brevan Howard Capital Management LP	6,642	$299.4K
EntryPoint Capital, LLC	3,331	$150.1K
Catalyst Funds Management Pty Ltd	2,400	$108.2K
Advisor Group Holdings, Inc.	223	$10.1K
nVerses Capital, LLC	200	$9.01K
Pacer Advisors, Inc.	136	$6.13K

Not filed for Q3 2024 yet (2)

Institutions that held Disc Medicine, Inc. at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRON in Q2 2024 that haven't filed for Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
BlackRock Inc.	1,437,542	$64.8M
Institutional & Family Asset Management, LLC	6	$270