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Disc Medicine
IRON

215 hedge funds and large institutions have $3.13B invested in Disc Medicine in 2026 Q2 according to their latest regulatory filings, with 39 funds opening new positions, 75 increasing their positions, 63 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

461% more call options, than puts

Call options by funds: $26.6M | Put options by funds: $4.75M

77% more first-time investments, than exits

New positions opened: 39 | Existing positions closed: 22

19% more repeat investments, than reductions

Existing positions increased: 75 | Existing positions reduced: 63

17% more capital invested

Capital invested by funds: $2.67B → $3.13B (+$457M)

17% more funds holding in top 10

Funds holding in top 10: 6 → 7 (+1)

6% more funds holding

Funds holding: 203 → 215 (+12)

2.06% more ownership

Funds ownership: 109.8% → 111.86% (+2.1%)

Holders
215
Holders Change
+12
Holders Change %
+5.91%
% of All Funds
2.6%
Holding in Top 10
7
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+16.67%
% of All Funds
0.08%
New
39
Increased
75
Reduced
63
Closed
22
Calls
$26.6M
Puts
$4.75M
Net Calls
+$21.9M
Net Calls Change
+$3.6M

Top Buyers

Rank Fund Capital Flow
1
VPC
Vestal Point Capital
New York
+$58.4M
2
JP Morgan Chase
JP Morgan Chase
New York
+$34.7M
3
OM
Opaleye Management
Massachusetts
+$29.8M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$22.4M
5
LGM
Logos Global Management
California
+$21.6M

Top Sellers

Rank Fund Capital Flow
1
O
OrbiMed
New York
-$48.8M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$47.6M
3
Goldman Sachs
Goldman Sachs
New York
-$37.3M
4
Jennison Associates
Jennison Associates
New York
-$11.7M
5
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$11.1M
Name Holding Trade Value Shares
Change 		Change in
Stake
UBS Group
51
UBS Group
Switzerland
$8.12M +$849K +12,350 +13%
TI
52
Trexquant Investment
Connecticut
$7.88M +$7.4M +107,699 New
KCM
53
Kennedy Capital Management
Missouri
$7.81M -$104K -1,517 -1%
Millennium Management
54
Millennium Management
New York
$7.77M +$1.58M +22,989 +28%
Goldman Sachs
55
Goldman Sachs
New York
$7.12M -$37.3M -542,459 -85%
Morgan Stanley
56
Morgan Stanley
New York
$6.7M -$183K -2,669 -3%
HF
57
HRT Financial
New York
$6.64M +$6.24M +90,822 New
SCM
58
Silverarc Capital Management
Massachusetts
$6.06M -$7.78M -113,228 -58%
Raymond James Financial
59
Raymond James Financial
Florida
$5.7M +$2.29M +33,280 +74%
Squarepoint
60
Squarepoint
New York
$5.55M +$3.03M +44,163 +139%
DnB Asset Management
61
DnB Asset Management
Norway
$5.35M -$1.62M -23,628 -24%
IGAM
62
iA Global Asset Management
Quebec, Canada
$4.83M -$15.1K -220 -0.3%
CC
63
Casdin Capital
New York
$4.75M – – –
SFM
64
Sphera Funds Management
Israel
$4.65M +$687K +10,000 +19%
Nuveen
65
Nuveen
North Carolina
$4.41M +$617K +8,977 +17%
KCA
66
KVP Capital Advisors
California
$4.26M – – –
MCM
67
Moore Capital Management
New York
$4.23M – – –
XT
68
XTX Topco
Cayman Islands
$4.15M +$1.53M +22,292 +65%
NCM
69
NEXTBio Capital Management
California
$3.85M – – –
AG
70
Algert Global
California
$3.79M +$2M +29,170 +129%
ECM
71
ExodusPoint Capital Management
New York
$3.78M +$3.55M +51,623 New
Schroder Investment Management Group
72
Schroder Investment Management Group
United Kingdom
$3.73M -$65.9K -959 -2%
BGM
73
Burkehill Global Management
New York
$3.66M – – –
BHCM
74
Brevan Howard Capital Management
Jersey
$3.66M +$1.21M +17,590 +54%
Swiss National Bank
75
Swiss National Bank
Switzerland
$3.64M +$124K +1,800 +4%
1 2
3
4 5

IRON Hedge Fund Activity: Q2 2026 in Review

215 of the 8,274 institutional investors tracked by Wall St. Rank reported a position in Disc Medicine (IRON) for Q2 2026, worth a combined $3.13B — up 17% from $2.67B a quarter earlier.

Buyers outnumbered sellers: 39 funds opened new IRON positions and 22 closed out — a net gain of 17 holders — while 75 added to existing stakes and 63 trimmed.

The largest buyer was Vestal Point Capital, adding an estimated $58.4M. The largest seller was OrbiMed, cutting an estimated $48.8M.

  • 215 institutional investors held Disc Medicine (IRON) as of Q2 2026, up from 203 in Q1 2026.
  • Funds reported $3.13B of Disc Medicine stock for Q2 2026, up 17% quarter-over-quarter.
  • 39 funds opened new Disc Medicine positions in Q2 2026 and 22 closed out, a net change of +17 holders.
  • The largest Disc Medicine buyer in Q2 2026 was Vestal Point Capital, an estimated $58.4M added.
  • The largest Disc Medicine seller in Q2 2026 was OrbiMed, an estimated $48.8M sold.

Based on aggregated 13F filings for Q2 2026.