IMSR

Terrestrial Energy

45 hedge funds and large institutions have $213M invested in Terrestrial Energy in 2025 Q1 according to their latest regulatory filings, with 18 funds opening new positions, 3 increasing their positions, 15 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
45
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
LA
1
Linden Advisors
New York
$21.1M
MF
2
Magnetar Financial
Illinois
$20.7M
PMAM
3
Picton Mahoney Asset Management
Ontario, Canada
$18.7M
FTCM
4
First Trust Capital Management
Illinois
$18.2M
LP
5
LMR Partners
United Kingdom
$14.9M
AA
6
AQR Arbitrage
Connecticut
$13.6M
MI
7
MMCAP International
Cayman Islands
$10.3M
D.E. Shaw & Co
8
D.E. Shaw & Co
New York
$10.3M
ECA
9
Encompass Capital Advisors
New York
$10M
WCMNY
10
Westchester Capital Management (New York)
New York
$7.09M
Goldman Sachs
11
Goldman Sachs
New York
$6.51M
Calamos Advisors
12
Calamos Advisors
Illinois
$5.29M
Two Sigma Investments
13
Two Sigma Investments
New York
$5.26M
COPPSERS
14
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$4.27M
WA
15
Whitebox Advisors
Minnesota
$4.21M
RCM
16
Rivernorth Capital Management
Florida
$4.21M
PAMP
17
Polar Asset Management Partners
Ontario, Canada
$3.74M
CCM
18
Context Capital Management
California
$3.16M
WRBC
19
W.R. Berkley Corp
Connecticut
$3.13M
BI
20
Bulldog Investors
New Jersey
$2.9M
WAM
21
Wolverine Asset Management
Illinois
$2.67M
DAM
22
DLD Asset Management
New York
$2.42M
GAM
23
Gritstone Asset Management
Maryland
$2.35M
Millennium Management
24
Millennium Management
New York
$2.1M
AC
25
Athos Capital
Hong Kong
$2.1M