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Amprius Technologies Warrants

18 hedge funds and large institutions have $33.4M invested in Amprius Technologies Warrants in 2025 Q3 according to their latest regulatory filings, with 11 funds opening new positions, 1 increasing their positions, 4 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

861% more capital invested

Capital invested by funds: $3.48M → $33.4M (+$29.9M)

267% more first-time investments, than exits

New positions opened: 11 | Existing positions closed: 3

64% more funds holding

Funds holding: 1118 (+7)

3.44% less ownership

Funds ownership: 3.44%0% (-3.4%)

75% less repeat investments, than reductions

Existing positions increased: 1 | Existing positions reduced: 4

Holders
18
Holders Change
+7
Holders Change %
+63.64%
% of All Funds
0.24%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
11
Increased
1
Reduced
4
Closed
3
Calls
$1.46M
Puts
Net Calls
+$1.46M
Net Calls Change
+$1.46M
Name Holding Trade Value Shares
Change
Change in
Stake
LP
1
LMR Partners
United Kingdom
$15.8M +$2.92M +1,366,478 +46%
AC
2
Aristeia Capital
Connecticut
$3.49M +$2.05M +959,777 New
CM
3
Caption Management
Oklahoma
$2.5M +$1.46M +682,810 New
HCM
4
Highbridge Capital Management
New York
$2.44M
Hudson Bay Capital Management
5
Hudson Bay Capital Management
Connecticut
$2.06M +$1.2M +563,582 New
BFM
6
Boothbay Fund Management
New York
$2.05M +$415K +194,524 New
Janney Montgomery Scott
7
Janney Montgomery Scott
Pennsylvania
$1.02M +$597K +279,670 New
D.E. Shaw & Co
8
D.E. Shaw & Co
New York
$977K
WAM
9
Wolverine Asset Management
Illinois
$765K -$23.4K -10,965 -5%
MC
10
Meteora Capital
Florida
$549K +$320K +150,000 New
Toronto Dominion Bank
11
Toronto Dominion Bank
Ontario, Canada
$529K -$225K -105,500 -42%
FBCM
12
Fort Baker Capital Management
California
$506K +$295K +138,221 New
CL
13
CSS LLC
Illinois
$418K +$244K +114,343 New
Stifel Financial
14
Stifel Financial
Missouri
$121K -$446K -208,720 -86%
WAM
15
Warberg Asset Management
Illinois
$106K +$61.9K +29,000 New
CS
16
Clear Street
New York
$73.2K -$213K -99,800 -83%
Cetera Investment Advisers
17
Cetera Investment Advisers
Illinois
$36.6K +$21.4K +10,000 New
UBS Group
18
UBS Group
Switzerland
$3.83K +$2.23K +1,046 New
FFA
19
Farther Finance Advisors
California
$7
Susquehanna International Group
20
Susquehanna International Group
Pennsylvania
-$38.7K -74,433 Closed
SWA
21
Strategies Wealth Advisors
Michigan
-$10.4K -20,000 Closed
Bank of Montreal
22
Bank of Montreal
Ontario, Canada
-$52 -100 Closed

AMPX.WS Hedge Fund Activity: Q3 2025 in Review

18 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Amprius Technologies Warrants (AMPX.WS) for Q3 2025, worth a combined $33.4M — up 861% from $3.48M a quarter earlier.

Buyers outnumbered sellers: 11 funds opened new AMPX.WS positions and 3 closed out — a net gain of 8 holders — while 1 added to existing stakes and 4 trimmed.

The largest buyer was LMR Partners, adding an estimated $2.92M. The largest seller was Stifel Financial, cutting an estimated $446K.

  • 18 institutional investors held Amprius Technologies Warrants (AMPX.WS) as of Q3 2025, up from 11 in Q2 2025.
  • Funds reported $33.4M of Amprius Technologies Warrants stock for Q3 2025, up 861% quarter-over-quarter.
  • 11 funds opened new Amprius Technologies Warrants positions in Q3 2025 and 3 closed out, a net change of +8 holders.
  • The largest Amprius Technologies Warrants buyer in Q3 2025 was LMR Partners, an estimated $2.92M added.
  • The largest Amprius Technologies Warrants seller in Q3 2025 was Stifel Financial, an estimated $446K sold.

Based on aggregated 13F filings for Q3 2025.