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Disc Medicine
IRON

Overview Fund Activity

150 hedge funds and large institutions have $1.8B invested in Disc Medicine in 2025 Q2 according to their latest regulatory filings, with 25 funds opening new positions, 69 increasing their positions, 36 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
150
Holders Change
-7
Holders Change %
-4.46%
% of All Funds
2.01%
Holding in Top 10
9
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+12.5%
% of All Funds
0.12%
New
25
Increased
69
Reduced
36
Closed
31
Calls
$23.4M
Puts
$1.11M
Net Calls
+$22.3M
Net Calls Change
+$21M

Top Buyers

1
WP
Woodline Partners
California
+$19.3M
2
LGM
Logos Global Management
California
+$16.2M
3
FTM
First Turn Management
California
+$15.9M
4
BBA
Baker Bros. Advisors
New York
+$13.8M
5
SCM
Sio Capital Management
New York
+$11.2M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$48.3M
2
BCLSI
Bain Capital Life Sciences Investors
Massachusetts
-$21.2M
3
SCM
Silverarc Capital Management
Massachusetts
-$11.7M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$10.9M
5
PA
Perceptive Advisors
New York
-$7.45M
Name Holding Trade Value Shares
Change 		Shares
Change %
Susquehanna International Group
51
Susquehanna International Group
Pennsylvania
$4.02M +$268K +5,056 +7%
PSC
52
Patient Square Capital
California
$3.92M -$477K -9,000 -11%
Bank of New York Mellon
53
Bank of New York Mellon
New York
$3.79M +$424K +7,999 +13%
EAM
54
Exome Asset Management
New York
$3.25M -$15.9K -300 -0.5%
ECM
55
ExodusPoint Capital Management
New York
$3.07M +$2.35M +44,380 +327%
NIP
56
Nicholas Investment Partners
California
$2.88M +$2.88M +54,445 New
TD Asset Management
57
TD Asset Management
Ontario, Canada
$2.81M +$561K +10,600 +25%
Manulife (Manufacturers Life Insurance)
58
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.75M +$596K +11,251 +28%
NL
59
Nuveen LLC
North Carolina
$2.66M -$3.31M -62,447 -55%
Swiss National Bank
60
Swiss National Bank
Switzerland
$2.27M +$371K +7,000 +19%
RhumbLine Advisers
61
RhumbLine Advisers
Massachusetts
$1.89M +$191K +3,611 +11%
Aberdeen Group
62
Aberdeen Group
United Kingdom
$1.7M +$1.7M +32,061 New
Rafferty Asset Management
63
Rafferty Asset Management
New York
$1.67M -$135K -2,552 -7%
PHS
64
PFM Health Sciences
California
$1.63M +$1.63M +30,799 New
CCM
65
Catalio Capital Management
New York
$1.62M +$1.62M +30,661 New
BG
66
Bollard Group
Massachusetts
$1.62M +$1.62M +30,635 New
PNC Financial Services Group
67
PNC Financial Services Group
Pennsylvania
$1.33M +$76.3K +1,440 +6%
HP
68
HealthInvest Partners
Sweden
$1.31M +$1.31M +24,652 New
AllianceBernstein
69
AllianceBernstein
Tennessee
$1.28M +$163K +3,080 +15%
Legal & General Group
70
Legal & General Group
United Kingdom
$1.28M +$195K +3,682 +18%
Royal Bank of Canada
71
Royal Bank of Canada
Ontario, Canada
$1.2M +$1.13M +21,401 +1,786%
Wells Fargo
72
Wells Fargo
California
$1.19M -$19.9K -375 -2%
Millennium Management
73
Millennium Management
New York
$1.14M -$4.6M -86,906 -80%
California State Teachers Retirement System (CalSTRS)
74
California State Teachers Retirement System (CalSTRS)
California
$1.07M +$5.19K +98 +0.5%
Voloridge Investment Management
75
Voloridge Investment Management
Florida
$1.04M +$1.04M +19,726 New
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