DISC MEDICINE INC

IRON (DISC MEDICINE INC) is held by 104 institutional investors as of Q1 2026. Largest holders: FMR LLC ($357.2M), RA CAPITAL MANAGEMENT, L.P. ($156.7M), BlackRock, Inc. ($145.4M). Net institutional sentiment: Mixed.

13F: Mar 31, 2026Insider & Congress: Updated regularly

Positions (113)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
FMR LLC	Increased	5.6M(+2.5%)	$357.2M	0.0%	+8.10%	32
RA CAPITAL MANAGEMENT, L.P.	Increased	2.5M(+24.0%)	$156.7M	1.7%	+13.95%	58
BlackRock, Inc.	Decreased	2.3M(-0.1%)	$145.4M	0.0%	+7.15%	0
WELLINGTON MANAGEMENT GROUP LLP	Increased	1.7M(+14.3%)	$111M	0.0%	+22.38%	34
STATE STREET CORP	Increased	1.7M(+43.0%)	$108.6M	0.0%	+9.48%	40
JPMORGAN CHASE & CO	Decreased	1.4M(-13.3%)	$83.4M	0.0%	+1.87%	0
Woodline Partners LP	Increased	958,281(+0.1%)	$61.3M	0.2%	+25.22%	35
GEODE CAPITAL MANAGEMENT, LLC	Increased	744,222(+8.7%)	$47.6M	0.0%	+30.87%	32
GOLDMAN SACHS GROUP INC	Decreased	639,842(-15.2%)	$40.9M	0.0%	+0.30%	0
JENNISON ASSOCIATES LLC	Increased	610,382(+14.7%)	$39M	0.0%	-11.19%	33
Assenagon Asset Management S.A.	Increased	546,247(+52.6%)	$34.9M	0.1%	-7.58%	40
DIMENSIONAL FUND ADVISORS LP	Increased	394,447(+76.4%)	$25.2M	0.0%	+10.21%	43
Pictet Asset Management Holding SA	Decreased	387,005(-1.9%)	$24.7M	0.0%	-12.92%	0
Aberdeen Group plc	Increased	375,614(+60.3%)	$24M	0.0%	-4.85%	41
BAKER BROS. ADVISORS LP	Increased	349,657(+3.7%)	$22.4M	0.1%	+18.50%	35
LOOMIS SAYLES & CO L P	Increased	317,222(+12.3%)	$20.3M	0.0%	-11.46%	32
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	251,195(+1.7%)	$16.1M	0.0%	+26.86%	29
NORTHERN TRUST CORP	Increased	247,195(+8.4%)	$15.8M	0.0%	+27.79%	31
Bank of New York Mellon Corp	Increased	204,968(+202.7%)	$13.1M	0.0%	+12.33%	45
Ensign Peak Advisors, Inc	Increased	191,487(+8.2%)	$12.2M	0.0%	+21.17%	30