Disc Medicine
IRON
IRON
157 hedge funds and large institutions have $1.65B invested in Disc Medicine in 2025 Q1 according to their latest regulatory filings, with 27 funds opening new positions, 74 increasing their positions, 31 reducing their positions, and 21 closing their positions.
New
Increased
Maintained
Reduced
Closed
Holders
157
Holders Change
+5
Holders Change %
+3.29%
% of All Funds
2.13%
Holding in Top 10
8
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.11%
New
27
Increased
74
Reduced
31
Closed
21
Calls
$1.6M
Puts
$333K
Net Calls
+$1.27M
Net Calls Change
-$188K
Top Buyers
| 1 |
RCM
RA Capital Management
Boston,
Massachusetts
|
+$78.3M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$67.4M |
| 3 |
SL
Siren LLC
Greenwich,
Connecticut
|
+$53.2M |
| 4 |
Wellington Management Group
Boston,
Massachusetts
|
+$47.1M |
| 5 |
JPMorgan Chase & Co
New York
|
+$34.7M |
Top Sellers
| 1 |
Citadel Advisors
Miami,
Florida
|
-$26.3M |
| 2 |
MB
MPM BioImpact
Boston,
Massachusetts
|
-$22M |
| 3 |
O
OrbiMed
New York
|
-$18.4M |
| 4 |
PBA
Paradigm Biocapital Advisors
New York
|
-$14.2M |
| 5 |
CCM
Catalio Capital Management
New York
|
-$11.4M |