Amprius Technologies, Inc. (AMPX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

218,782Shares held by institutions

$3,216,095Value of institutional holdings

29.58%Institutional ownership %

74.75%Shares Changed QoQ

118No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Amprius Technologies, Inc. (NYSE:AMPX) appears in 202 institutional 13F filings for the quarter ending December 2025.

These investors collectively held 53.4% of Amprius Technologies's outstanding shares in December 2025, up from 50.4% in September 2025.
They increased total shares held in Amprius Technologies by 12.07% from last quarter, and the number of investors in AMPX increased 121.98% annually.
Of these 202 funds, 132 grew their exposure to Amprius Technologies, 52 cut back, and 18 maintained positions.
Combined, these investors held 67.59Mn shares in AMPX for December 2025, up by 7.28Mn shares quarter on quarter, and up 50.57Mn shares year over year.
As of December 31, 2025, BlackRock, Inc. held the largest stake in Amprius Technologies with 8.82Mn shares, accounting for 6.97% of total shares outstanding.
Top purchasers of AMPX stock for the quarter ending December 2025 included BlackRock, Inc. (1.37Mn), NORGES BANK (1.3Mn), Hudson Bay Capital Management LP (1.1Mn), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (984.91K), Qube Research & Technologies Ltd (874.08K).
The largest sales of AMPX for the quarter ending December 2025 came from CITADEL ADVISORS LLC (2.05Mn), BNP PARIBAS FINANCIAL MARKETS (1.24Mn), Invesco Ltd. (1.07Mn), DRIEHAUS CAPITAL MANAGEMENT LLC (697.46K), Jpmorgan Chase & Co (491.98K).
According to Business Quant data, leading holders of AMPX for December 2025 are BlackRock, Inc. (8.82Mn), VANGUARD GROUP INC (7.13Mn), Morgan Stanley (2.81Mn), GEODE CAPITAL MANAGEMENT, LLC (2.68Mn), State Street Corp (2.55Mn), DRIEHAUS CAPITAL MANAGEMENT LLC (2.39Mn), Goldman Sachs Group Inc (2.19Mn), UBS Group AG (2.1Mn), DEUTSCHE BANK AG\ (1.96Mn), SUSQUEHANNA INTERNATIONAL GROUP, LLP (1.69Mn).

202 Institutional Holders

218,782 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	1,368,076	18.35%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	616,037	9.46%	$0.00
UBS Group AG	31 Dec, 2025	550,938	35.59%	$0.00
Barclays Plc	31 Dec, 2025	312,223	198.01%	$0.00
Morgan Stanley	31 Dec, 2025	66,116	2.41%	$0.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	984,906	0.00%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	722	2,406.67%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	253,529	10.46%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	874,080	0.00%	$0.00
State Street Corp	31 Dec, 2025	363,928	16.62%	$0.00
Baird Financial Group, Inc.	31 Dec, 2025	-103,499	-11.80%	$0.00
DRIEHAUS CAPITAL MANAGEMENT LLC	31 Dec, 2025	-697,457	-22.57%	$0.00
THAMES CAPITAL MANAGEMENT LLC	31 Dec, 2025	0	0.00%	$0.00
Goldman Sachs Group Inc	31 Dec, 2025	410,724	23.02%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	459,946	1,356.13%	$0.00
DEUTSCHE BANK AG\	31 Dec, 2025	-111,522	-5.40%	$0.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	31 Dec, 2025	-19,568	-3.83%	$0.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	786,030	86.81%	$0.00
Engineers Gate Manager LP	31 Dec, 2025	171,577	90.87%	$0.00
VOLORIDGE INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	-274,139	-14.61%	$0.00

1 - 20 of 202

Research Tools