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Disc Medicine
IRON

91 hedge funds and large institutions have $934M invested in Disc Medicine in 2023 Q3 according to their latest regulatory filings, with 19 funds opening new positions, 39 increasing their positions, 19 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

105% more repeat investments, than reductions

Existing positions increased: 39 | Existing positions reduced: 19

10% more capital invested

Capital invested by funds: $849M → $934M (+$85.2M)

1.55% more ownership

Funds ownership: 85.34% → 86.89% (+1.6%)

1% more funds holding

Funds holding: 90 → 91 (+1)

6% more first-time investments, than exits

New positions opened: 19 | Existing positions closed: 18

0% more funds holding in top 10

Funds holding in top 10: 8 → 8 (0)

56% less call options, than puts

Call options by funds: $4.42M | Put options by funds: $9.95M

Holders
91
Holders Change
+1
Holders Change %
+1.11%
% of All Funds
1.44%
Holding in Top 10
8
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.13%
New
19
Increased
39
Reduced
19
Closed
18
Calls
$4.42M
Puts
$9.95M
Net Calls
-$5.53M
Net Calls Change
-$1.9B

Top Buyers

Rank Fund Capital Flow
1
PBA
Paradigm Biocapital Advisors
New York
+$63.6M
2
PCH
Polar Capital Holdings
United Kingdom
+$27.4M
3
State Street
State Street
Massachusetts
+$26.4M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$16.3M
5
PA
Perceptive Advisors
New York
+$7.64M

Top Sellers

Rank Fund Capital Flow
1
AVLSA
Atlas Venture Life Science Advisors
Massachusetts
-$35.8M
2
Bank of America
Bank of America
North Carolina
-$25.2M
3
OCA
Octagon Capital Advisors
New York
-$18.4M
4
Citadel Advisors
Citadel Advisors
Florida
-$17.1M
5
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$8.67M
Name Holding Trade Value Shares
Change 		Change in
Stake
ACP
26
Acuta Capital Partners
California
$6.49M -$65.1K -1,302 -0.9%
Victory Capital Management
27
Victory Capital Management
Texas
$6.46M +$6.88M +137,523 New
SFM
28
Sphera Funds Management
Israel
$5.23M -$2.96M -59,180 -35%
Northern Trust
29
Northern Trust
Illinois
$4.18M +$954K +19,063 +27%
Point72 Asset Management
30
Point72 Asset Management
Connecticut
$4.04M -$1.96M -39,200 -31%
Charles Schwab
31
Charles Schwab
California
$3.96M +$3.18M +63,644 +310%
TOCUITCONY
32
Trustees of Columbia University in the City of New York
New York
$3.7M -$1.59M -31,806 -29%
Assenagon Asset Management
33
Assenagon Asset Management
Luxembourg
$3.48M -$8.67M -173,236 -70%
Rafferty Asset Management
34
Rafferty Asset Management
New York
$2.97M +$3.16M +63,132 New
Wellington Management Group
35
Wellington Management Group
Massachusetts
$2.57M +$574K +11,475 +27%
Bank of America
36
Bank of America
North Carolina
$2.53M -$25.2M -504,273 -90%
PHP
37
Parkman Healthcare Partners
Connecticut
$2.45M +$103K +2,058 +4%
EI
38
EAM Investors
California
$2.4M +$195K +3,905 +8%
Morgan Stanley
39
Morgan Stanley
New York
$2.33M +$301K +6,027 +14%
Hudson Bay Capital Management
40
Hudson Bay Capital Management
Connecticut
$1.97M +$2.1M +42,000 New
Ensign Peak Advisors
41
Ensign Peak Advisors
Utah
$1.88M – – –
Barclays
42
Barclays
United Kingdom
$1.48M +$1.5M +30,008 +1,932%
BFM
43
Boothbay Fund Management
New York
$1.47M -$883K -17,655 -36%
Bank of New York Mellon
44
Bank of New York Mellon
New York
$1.44M +$278K +5,567 +22%
Renaissance Technologies
45
Renaissance Technologies
New York
$1.4M -$1.96M -39,200 -57%
Goldman Sachs
46
Goldman Sachs
New York
$1.29M +$1.37M +27,354 New
Citigroup
47
Citigroup
New York
$1.25M +$1.21M +24,245 +1,053%
ECM
48
ExodusPoint Capital Management
New York
$1.19M -$1.37M -27,470 -52%
CA
49
CHI Advisors
New York
$1.17M -$5.01M -100,139 -80%
UOC
50
UBS O'Connor
Illinois
$1.09M +$300K +6,000 +35%
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IRON Hedge Fund Activity: Q3 2023 in Review

91 of the 6,302 institutional investors tracked by Wall St. Rank reported a position in Disc Medicine (IRON) for Q3 2023, worth a combined $934M — up 10% from $849M a quarter earlier.

Buyers outnumbered sellers: 19 funds opened new IRON positions and 18 closed out — a net gain of 1 holder — while 39 added to existing stakes and 19 trimmed.

The largest buyer was Paradigm Biocapital Advisors, opening a new position worth an estimated $63.6M. The largest seller was Atlas Venture Life Science Advisors, cutting an estimated $35.8M.

  • 91 institutional investors held Disc Medicine (IRON) as of Q3 2023, up from 90 in Q2 2023.
  • Funds reported $934M of Disc Medicine stock for Q3 2023, up 10% quarter-over-quarter.
  • 19 funds opened new Disc Medicine positions in Q3 2023 and 18 closed out, a net change of +1 holder.
  • The largest Disc Medicine buyer in Q3 2023 was Paradigm Biocapital Advisors, an estimated $63.6M added.
  • The largest Disc Medicine seller in Q3 2023 was Atlas Venture Life Science Advisors, an estimated $35.8M sold.

Based on aggregated 13F filings for Q3 2023.