Amprius Technologies, Inc. - Common stock, $0.0001 par value (AMPX)

CUSIP: 03214Q108

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common stock, $0.0001 par value
Shares outstanding
137,544,784
Total 13F shares
67,707,190
Share change
+5,469,573
Total reported value
$534,258,250
Put/Call ratio
35%
Price per share
$7.89
Number of holders
204
Value change
+$34,169,804
Number of buys
129
Number of sells
82

Quarterly Holders Quick Answers

What is CUSIP 03214Q108?
CUSIP 03214Q108 identifies AMPX - Amprius Technologies, Inc. - Common stock, $0.0001 par value in SEC institutional holdings data.

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Top shareholders of AMPX - Amprius Technologies, Inc. - Common stock, $0.0001 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
BlackRock, Inc.
13F 13D/G
Company
5.8%
from 13D/G
7,455,703
$78,433,995 30 Sep 2025
VANGUARD GROUP INC
13F
Company
4.7%
6,512,620
$68,512,762 30 Sep 2025
13F
DRIEHAUS CAPITAL MANAGEMENT LLC
13F
Company
2.2%
3,090,669
$32,513,838 30 Sep 2025
13F
MORGAN STANLEY
13F
Company
2%
2,743,705
$28,863,777 30 Sep 2025
13F
CITADEL ADVISORS LLC
13F
Company
1.8%
2,506,799
$26,371,525 30 Sep 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.8%
2,424,888
$25,516,368 30 Sep 2025
13F
Invesco Ltd.
13F
Company
1.7%
2,379,384
$25,031,118 30 Sep 2025
13F
STATE STREET CORP
13F
Company
1.6%
2,189,782
$23,036,507 30 Sep 2025
13F
DEUTSCHE BANK AG\
13F
Company
1.5%
2,066,540
$21,740,001 30 Sep 2025
13F
BNP PARIBAS FINANCIAL MARKETS
13F
Company
1.4%
1,943,905
$20,449,881 30 Sep 2025
13F
Alan E. Salzman
13D/G
SALZMAN ALAN E
2.6%
3,112,992
$20,047,668 $0 06 Aug 2025
VOLORIDGE INVESTMENT MANAGEMENT, LLC
13F
Company
1.4%
1,876,140
$19,736,993 30 Sep 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
1.3%
1,784,117
$18,768,911 30 Sep 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
1.3%
1,753,577
$18,447,630 30 Sep 2025
13F
UBS Group AG
13F
Company
1.1%
1,548,008
$16,285,045 30 Sep 2025
13F
Stephens Investment Management Group LLC
13F
Company
0.79%
1,082,907
$11,392,182 30 Sep 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.71%
974,485
$10,251,582 30 Sep 2025
13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
Company
0.66%
905,470
$9,525,544 30 Sep 2025
13F
Baird Financial Group, Inc.
13F
Company
0.64%
876,927
$9,225,272 30 Sep 2025
13F
NORTHERN TRUST CORP
13F
Company
0.62%
852,279
$8,965,974 30 Sep 2025
13F
TWO SIGMA ADVISERS, LP
13F
Company
0.59%
812,000
$8,542,240 30 Sep 2025
13F
STIFEL FINANCIAL CORP
13F
Company
0.58%
795,791
$8,371,737 30 Sep 2025
13F
TUDOR INVESTMENT CORP ET AL
13F
Company
0.52%
715,736
$7,529,543 30 Sep 2025
13F
ESSEX INVESTMENT MANAGEMENT CO LLC
13F
Company
0.51%
697,387
$7,336,511 30 Sep 2025
13F
Capitolis Liquid Global Markets LLC
13F
Company
0.49%
680,600
$7,159,912 30 Sep 2025
13F
JANE STREET GROUP, LLC
13F
Company
0.49%
676,664
$7,118,506 30 Sep 2025
13F
Sandra Wallach
3/4/5
Chief Financial Officer
0.73%
1,005,275
$6,852,155 -$260,623 21 Aug 2025
MILLENNIUM MANAGEMENT LLC
13F
Company
0.43%
587,832
$6,183,993 30 Sep 2025
13F
THAMES CAPITAL MANAGEMENT LLC
13F
Company
0.38%
526,832
$5,542,273 30 Sep 2025
13F
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
13F
Company
0.37%
510,454
$5,369,976 30 Sep 2025
13F
Informed Momentum Co LLC
13F
Company
0.36%
488,530
$5,078,786 30 Sep 2025
13F
Artemis Investment Management LLP
13F
Company
0.35%
478,518
$5,034,009 30 Sep 2025
13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
Company
0.34%
471,791
$4,963,241 30 Sep 2025
13F
ALGERT GLOBAL LLC
13F
Company
0.28%
383,019
$4,029,000 30 Sep 2025
13F
POLEN CAPITAL MANAGEMENT LLC
13F
Company
0.25%
339,427
$3,570,772 30 Sep 2025
13F
Verition Fund Management LLC
13F
Company
0.24%
323,444
$3,402,631 30 Sep 2025
13F
Russell Investments Group, Ltd.
13F
Company
0.22%
305,073
$3,209,373 30 Sep 2025
13F
OPPENHEIMER & CO INC
13F
Company
0.22%
299,339
$3,149,046 30 Sep 2025
13F
Bank of New York Mellon Corp
13F
Company
0.21%
291,904
$3,070,829 30 Sep 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.21%
290,441
$3,055,440 30 Sep 2025
13F
JPMORGAN CHASE & CO
13F
Company
0.21%
287,716
$3,026,773 30 Sep 2025
13F
Janney Montgomery Scott LLC
13F
Company
0.21%
283,460
$2,982,000 30 Sep 2025
13F
Lisanti Capital Growth, LLC
13F
Company
0.19%
265,725
$2,795,427 30 Sep 2025
13F
Legato Capital Management LLC
13F
Company
0.18%
251,268
$2,643,340 30 Sep 2025
13F
Trexquant Investment LP
13F
Company
0.18%
249,288
$2,622,510 30 Sep 2025
13F
Jump Financial, LLC
13F
Company
0.18%
242,700
$2,553,204 30 Sep 2025
13F
Nuveen, LLC
13F
Company
0.18%
242,272
$2,548,701 30 Sep 2025
13F
RAYMOND JAMES FINANCIAL INC
13F
Company
0.17%
239,968
$2,524,464 30 Sep 2025
13F
NEXT CENTURY GROWTH INVESTORS LLC
13F
Company
0.17%
228,628
$2,405,166 30 Sep 2025
13F
JUPITER ASSET MANAGEMENT LTD
13F
Company
0.14%
199,385
$2,097,531 30 Sep 2025
13F

Institutional Holders of Amprius Technologies, Inc. - Common stock, $0.0001 par value (AMPX) as of Q4 2025

As of 31 Dec 2025, Amprius Technologies, Inc. - Common stock, $0.0001 par value (AMPX) was held by 204 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 67,707,190 shares. The largest 10 holders included BlackRock, Inc., VANGUARD GROUP INC, MORGAN STANLEY, GEODE CAPITAL MANAGEMENT, LLC, STATE STREET CORP, Driehaus Capital Management LLC, GOLDMAN SACHS GROUP INC, UBS Group AG, DEUTSCHE BANK AG\, and SUSQUEHANNA INTERNATIONAL GROUP, LLP. This page lists 204 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
186
Q4 2025 holders
204
Holder diff
18
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 Value $ Q4 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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