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IMSRW

Terrestrial Energy Warrant
IMSRW

29 hedge funds and large institutions have $32.3M invested in Terrestrial Energy Warrant in 2025 Q1 according to their latest regulatory filings, with 10 funds opening new positions, 4 increasing their positions, 9 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

4,111% more capital invested

Capital invested by funds: $768K → $32.3M (+$31.6M)

233% more first-time investments, than exits

New positions opened: 10 | Existing positions closed: 3

32% more funds holding

Funds holding: 22 → 29 (+7)

56% less repeat investments, than reductions

Existing positions increased: 4 | Existing positions reduced: 9

Holders
29
Holders Change
+7
Holders Change %
+31.82%
% of All Funds
0.39%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
10
Increased
4
Reduced
9
Closed
3
Calls
$104K
Puts
–
Net Calls
+$104K
Net Calls Change
+$77K

Top Buyers

Rank Fund Capital Flow
1
MF
Magnetar Financial
Illinois
+$230K
2
LA
Linden Advisors
New York
+$118K
3
MI
MMCAP International
Cayman Islands
+$115K
4
LP
LMR Partners
United Kingdom
+$82.9K
5
Calamos Advisors
Calamos Advisors
Illinois
+$58.8K

Top Sellers

Rank Fund Capital Flow
1
PC
Periscope Capital
Ontario, Canada
-$28.1K
2
CL
CSS LLC
Illinois
-$25.2K
3
PMAM
Picton Mahoney Asset Management
Ontario, Canada
-$23.5K
4
Parallax Volatility Advisers
Parallax Volatility Advisers
California
-$13.7K
5
WAM
Wolverine Asset Management
Illinois
-$8.6K
Name Holding Trade Value Shares
Change 		Change in
Stake
PCM
1
PenderFund Capital Management
British Columbia, Canada
$24.3M – – –
CF
2
Cantor Fitzgerald
New York
$2.03M +$31.9K +135,897 +5%
CL
3
CSS LLC
Illinois
$815K -$25.2K -107,054 -8%
AA
4
AQR Arbitrage
Connecticut
$771K – – –
LP
5
LMR Partners
United Kingdom
$761K +$82.9K +352,908 +47%
MF
6
Magnetar Financial
Illinois
$676K +$230K +980,099 New
PMAM
7
Picton Mahoney Asset Management
Ontario, Canada
$613K -$23.5K -100,000 -10%
LA
8
Linden Advisors
New York
$343K +$118K +500,000 New
MI
9
MMCAP International
Cayman Islands
$338K +$115K +490,000 New
KPF
10
K2 Principal Fund
Ontario, Canada
$264K -$441 -1,876 -0.5%
Calamos Advisors
11
Calamos Advisors
Illinois
$173K +$58.8K +250,000 New
HCM
12
Highbridge Capital Management
New York
$138K – – –
RCM
13
Rivernorth Capital Management
Florida
$138K – – –
WA
14
Whitebox Advisors
Minnesota
$138K +$47K +200,000 New
PC
15
Periscope Capital
Ontario, Canada
$123K -$28.1K -119,598 -40%
CCM
16
Context Capital Management
California
$121K +$23.2K +98,750 +130%
BI
17
Bulldog Investors
New Jersey
$82.4K -$1.32K -5,600 -4%
GAM
18
Gritstone Asset Management
Maryland
$77.2K -$90 -384 -0.3%
PAMP
19
Polar Asset Management Partners
Ontario, Canada
$69K +$23.5K +100,000 New
Verition Fund Management
20
Verition Fund Management
Connecticut
$62.1K -$2.93K -12,449 -12%
TCM
21
Tenor Capital Management
New York
$60.4K – – –
MTCM
22
Mint Tower Capital Management
Netherlands
$50K – – –
WAM
23
Wolverine Asset Management
Illinois
$46.7K -$8.6K -36,582 -35%
Balyasny Asset Management
24
Balyasny Asset Management
Illinois
$41.4K +$14.1K +60,000 New
CS
25
Clear Street
New York
$36K +$3.58K +15,225 +41%
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IMSRW Hedge Fund Activity: Q1 2025 in Review

29 of the 7,463 institutional investors tracked by Wall St. Rank reported a position in Terrestrial Energy Warrant (IMSRW) for Q1 2025, worth a combined $32.3M — up 4,111% from $768K a quarter earlier.

Buyers outnumbered sellers: 10 funds opened new IMSRW positions and 3 closed out — a net gain of 7 holders — while 4 added to existing stakes and 9 trimmed.

The largest buyer was Magnetar Financial, opening a new position worth an estimated $230K. The largest seller was Periscope Capital, cutting an estimated $28.1K.

  • 29 institutional investors held Terrestrial Energy Warrant (IMSRW) as of Q1 2025, up from 22 in Q4 2024.
  • Funds reported $32.3M of Terrestrial Energy Warrant stock for Q1 2025, up 4,111% quarter-over-quarter.
  • 10 funds opened new Terrestrial Energy Warrant positions in Q1 2025 and 3 closed out, a net change of +7 holders.
  • The largest Terrestrial Energy Warrant buyer in Q1 2025 was Magnetar Financial, an estimated $230K added.
  • The largest Terrestrial Energy Warrant seller in Q1 2025 was Periscope Capital, an estimated $28.1K sold.

Based on aggregated 13F filings for Q1 2025.