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Larimar Therapeutics

116 hedge funds and large institutions have $180M invested in Larimar Therapeutics in 2025 Q2 according to their latest regulatory filings, with 30 funds opening new positions, 43 increasing their positions, 23 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed

3,977% more call options, than puts

Call options by funds: $14.1M | Put options by funds: $347K

87% more repeat investments, than reductions

Existing positions increased: 43 | Existing positions reduced: 23

76% more first-time investments, than exits

New positions opened: 30 | Existing positions closed: 17

37% more capital invested

Capital invested by funds: $132M → $180M (+$48.2M)

13% more funds holding

Funds holding: 103116 (+13)

2.32% more ownership

Funds ownership: 95%97.32% (+2.3%)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

Holders
116
Holders Change
+13
Holders Change %
+12.62%
% of All Funds
1.53%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
30
Increased
43
Reduced
23
Closed
17
Calls
$14.1M
Puts
$347K
Net Calls
+$13.8M
Net Calls Change
+$13.8M
Name Holding Trade Value Shares
Change
Change in
Stake
HT
26
HAP Trading
New York
$687K +$550K +237,776 New
ACM
27
ADAR1 Capital Management
Texas
$687K +$550K +237,605 New
Hudson Bay Capital Management
28
Hudson Bay Capital Management
Connecticut
$661K +$530K +228,761 New
N
29
Nuveen
North Carolina
$656K +$121K +52,214 +30%
Cerity Partners
30
Cerity Partners
New York
$636K +$510K +220,201 New
SFM
31
Sphera Funds Management
Israel
$568K -$393K -169,669 -46%
Morgan Stanley
32
Morgan Stanley
New York
$489K -$561K -242,342 -59%
XT
33
XTX Topco
Cayman Islands
$484K +$388K +167,404 New
MCM
34
Monimus Capital Management
New Jersey
$423K
Simplex Trading
35
Simplex Trading
Illinois
$405K +$324K +140,160 +53,091%
Goldman Sachs
36
Goldman Sachs
New York
$380K -$5.88M -2,539,649 -95%
Charles Schwab
37
Charles Schwab
California
$322K +$25.3K +10,943 +11%
UBS Group
38
UBS Group
Switzerland
$313K +$147K +63,427 +141%
BCM
39
Bridgeway Capital Management
Texas
$298K
Royal Bank of Canada
40
Royal Bank of Canada
Ontario, Canada
$292K +$233K +100,843 +186,746%
GCP
41
GSA Capital Partners
United Kingdom
$289K +$231K +99,922 New
Bank of New York Mellon
42
Bank of New York Mellon
New York
$289K -$1.31K -564 -0.6%
Barclays
43
Barclays
United Kingdom
$245K +$70.8K +30,601 +56%
WC
44
Wexford Capital
Florida
$202K +$162K +69,799 New
American Century Companies
45
American Century Companies
Missouri
$200K +$11.6K +5,001 +8%
RhumbLine Advisers
46
RhumbLine Advisers
Massachusetts
$195K +$5.42K +2,340 +4%
EI
47
Ethic Inc
New York
$187K +$143K +61,723 New
AllianceBernstein
48
AllianceBernstein
Tennessee
$180K +$67.9K +29,320 +89%
IC
49
IEQ Capital
California
$165K +$94.5K +40,801 +248%
JP Morgan Chase
50
JP Morgan Chase
New York
$161K -$20.8K -8,969 -14%

LRMR Hedge Fund Activity: Q2 2025 in Review

116 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Larimar Therapeutics (LRMR) for Q2 2025, worth a combined $180M — up 37% from $132M a quarter earlier.

Buyers outnumbered sellers: 30 funds opened new LRMR positions and 17 closed out — a net gain of 13 holders — while 43 added to existing stakes and 23 trimmed.

The largest buyer was Millennium Management, adding an estimated $6.9M. The largest seller was Janus Henderson Group, exiting entirely with an estimated $13.1M sold.

  • 116 institutional investors held Larimar Therapeutics (LRMR) as of Q2 2025, up from 103 in Q1 2025.
  • Funds reported $180M of Larimar Therapeutics stock for Q2 2025, up 37% quarter-over-quarter.
  • 30 funds opened new Larimar Therapeutics positions in Q2 2025 and 17 closed out, a net change of +13 holders.
  • The largest Larimar Therapeutics buyer in Q2 2025 was Millennium Management, an estimated $6.9M added.
  • The largest Larimar Therapeutics seller in Q2 2025 was Janus Henderson Group, an estimated $13.1M sold.

Based on aggregated 13F filings for Q2 2025.