Terrestrial Energy Warrant
IMSRW
27 hedge funds and large institutions have $23.1M invested in Terrestrial Energy Warrant in 2025 Q4 according to their latest regulatory filings, with 12 funds opening new positions, 5 increasing their positions, 10 reducing their positions, and 9 closing their positions.
33% more first-time investments, than exits
New positions opened: 12 | Existing positions closed: 9
13% more funds holding
Funds holding: 24 → 27 (+3)
9.56% more ownership
Funds ownership: 82.96% → 92.53% (+9.6%)
50% less repeat investments, than reductions
Existing positions increased: 5 | Existing positions reduced: 10
60% less capital invested
Capital invested by funds: $57.3M → $23.1M (-$34.2M)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LP
LMR Partners
London,
United Kingdom
|
+$6.75M |
| 2 |
CM
Caption Management
Oklahoma City,
Oklahoma
|
+$4.36M |
| 3 |
Hudson Bay Capital Management
Stamford,
Connecticut
|
+$1.34M |
| 4 |
MF
Magnetar Financial
Evanston,
Illinois
|
+$1.24M |
| 5 |
Walleye Capital
New York
|
+$837K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Balyasny Asset Management
Chicago,
Illinois
|
-$2.41M |
| 2 |
LA
Linden Advisors
New York
|
-$1.38M |
| 3 |
AA
AQR Arbitrage
Greenwich,
Connecticut
|
-$1.32M |
| 4 |
WA
Whitebox Advisors
Minneapolis,
Minnesota
|
-$1.2M |
| 5 |
MA
MYDA Advisors
Woodmere,
New York
|
-$1.12M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
26
Osaic Holdings
Scottsdale,
Arizona
| $1.27K | +$3.25K | +600 | New |
|
27
Royal Bank of Canada
Toronto,
Ontario, Canada
| $1K | -$1.08K | -200 | -40% |
|
|
SSG
28
Summit Securities Group
New York
| $2 | +$5 | +1 | New |
|
|
AA
29
AQR Arbitrage
Greenwich,
Connecticut
| – | -$1.32M | -241,236 | Closed |
|
|
WA
30
Whitebox Advisors
Minneapolis,
Minnesota
| – | -$1.2M | -200,000 | Closed |
|
31
BNP Paribas Financial Markets
Paris,
France
| – | -$596K | -99,332 | Closed |
|
|
PMAM
32
Picton Mahoney Asset Management
Toronto,
Ontario, Canada
| – | -$355K | -59,282 | Closed |
|
|
RCM
33
Rivernorth Capital Management
West Palm Beach,
Florida
| – | -$298K | -49,700 | Closed |
|
|
MTCM
34
Mint Tower Capital Management
Amsterdam,
Netherlands
| – | -$201K | -33,505 | Closed |
|
|
FBB
35
Fulton Breakefield Broenniman
Bethesda,
Maryland
| – | -$110K | -18,405 | Closed |
|
|
BFM
36
Boothbay Fund Management
New York
| – | -$188K | -11,476 | Closed |
|
37
Bank of America
Charlotte,
North Carolina
| – | -$1.85K | -308 | Closed |
|
IMSRW Hedge Fund Activity: Q4 2025 in Review
27 of the 8,245 institutional investors tracked by Wall St. Rank reported a position in Terrestrial Energy Warrant (IMSRW) for Q4 2025, worth a combined $23.1M — down 60% from $57.3M a quarter earlier.
Buyers outnumbered sellers: 12 funds opened new IMSRW positions and 9 closed out — a net gain of 3 holders — while 5 added to existing stakes and 10 trimmed.
The largest buyer was LMR Partners, adding an estimated $6.75M. The largest seller was Balyasny Asset Management, cutting an estimated $2.41M.
- 27 institutional investors held Terrestrial Energy Warrant (IMSRW) as of Q4 2025, up from 24 in Q3 2025.
- Funds reported $23.1M of Terrestrial Energy Warrant stock for Q4 2025, down 60% quarter-over-quarter.
- 12 funds opened new Terrestrial Energy Warrant positions in Q4 2025 and 9 closed out, a net change of +3 holders.
- The largest Terrestrial Energy Warrant buyer in Q4 2025 was LMR Partners, an estimated $6.75M added.
- The largest Terrestrial Energy Warrant seller in Q4 2025 was Balyasny Asset Management, an estimated $2.41M sold.
Based on aggregated 13F filings for Q4 2025.