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Amprius Technologies
AMPX

Overview Fund Activity

99 hedge funds and large institutions have $55.7M invested in Amprius Technologies in 2025 Q1 according to their latest regulatory filings, with 31 funds opening new positions, 34 increasing their positions, 15 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
99
Holders Change
+8
Holders Change %
+8.79%
% of All Funds
1.35%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
31
Increased
34
Reduced
15
Closed
21
Calls
$4.77M
Puts
$1.01M
Net Calls
+$3.76M
Net Calls Change
-$5.85M

Top Buyers

1
EIM
Essex Investment Management
Massachusetts
$2.51M
2
UBS Group
UBS Group
Switzerland
$2.98M
3
Marshall Wace
Marshall Wace
United Kingdom
$2.55M
4
Vanguard Group
Vanguard Group
Pennsylvania
$13M
5
Millennium Management
Millennium Management
New York
$3.74M

Top Sellers

1
Invesco
Invesco
Georgia
$3.13M
2
Renaissance Technologies
Renaissance Technologies
New York
$38.6K
3
XT
XTX Topco
Cayman Islands
$0
4
Jane Street
Jane Street
New York
$284K
5
BWM
Bosman Wealth Management
California
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$13M +$1.83M +682,540 +16%
BOTOTLSJU
2
Board of Trustees of The Leland Stanford Junior University
California
$3.91M – – –
Millennium Management
3
Millennium Management
New York
$3.74M +$1.82M +678,442 +95%
Invesco
4
Invesco
Georgia
$3.13M -$3.53M -1,318,106 -53%
UBS Group
5
UBS Group
Switzerland
$2.98M +$2.5M +934,653 +533%
BlackRock
6
BlackRock
New York
$2.88M +$1.35M +502,469 +88%
Marshall Wace
7
Marshall Wace
United Kingdom
$2.55M +$2.41M +898,302 +1,675%
EIM
8
Essex Investment Management
Massachusetts
$2.51M +$2.51M +935,815 New
Stifel Financial
9
Stifel Financial
Missouri
$2.41M +$13.5K +5,023 +0.6%
Susquehanna International Group
10
Susquehanna International Group
Pennsylvania
$2.21M +$416K +155,239 +23%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$1.6M +$37.9K +14,139 +2%
Baird Financial Group
12
Baird Financial Group
Wisconsin
$1.34M +$1.34M +500,499 New
OC
13
Oppenheimer & Co
New York
$1.32M +$1M +374,228 +319%
State Street
14
State Street
Massachusetts
$1.12M +$88.3K +32,958 +9%
Two Sigma Investments
15
Two Sigma Investments
New York
$1.1M -$85.3K -31,833 -7%
LCM
16
Legato Capital Management
California
$744K +$744K +277,553 New
Charles Schwab
17
Charles Schwab
California
$691K +$159K +59,501 +30%
Blackstone Inc
18
Blackstone Inc
New York
$691K – – –
Goldman Sachs
19
Goldman Sachs
New York
$656K +$369K +137,640 +129%
Northern Trust
20
Northern Trust
Illinois
$575K +$16.1K +6,007 +3%
BCM
21
Bridgeway Capital Management
Texas
$523K – – –
Morgan Stanley
22
Morgan Stanley
New York
$492K +$114K +42,593 +30%
ACA
23
Apis Capital Advisors
New York
$445K +$445K +166,000 New
HHAM
24
HITE Hedge Asset Management
Massachusetts
$433K +$433K +161,444 New
LPL Financial
25
LPL Financial
California
$329K +$30.8K +11,474 +10%
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