Amprius Technologies (AMPX) Institutional Ownership

$19.66 -2.88 (-12.78%)

Closing price 06/5/2026 03:59 PM Eastern

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$19.50 -0.16 (-0.83%)

As of 06/5/2026 07:56 PM Eastern

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Current Institutional Ownership Percentage: 5.04%
Number of Institutional Buyers (last 12 months): 146
Total Institutional Inflows (last 12 months): $295.90M

Number of Institutional Sellers (last 12 months): 45
Total Institutional Outflows (last 12 months): $52.01M

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AMPX Institutional Buying and Selling by Quarter

Amprius Technologies Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
6/3/2026	Parallel Advisors LLC	4,002	$67K	0.0%	-21.9%	0.003%
5/19/2026	Bank of America Corp DE	265,418	$4.48M	0.0%	-11.5%	0.187%
5/19/2026	Janus Henderson Group PLC	52,803	$889K	0.0%	+35.2%	0.037%
5/18/2026	Amundi	164,589	$2.78M	0.0%	+17.3%	0.116%
5/18/2026	California State Teachers Retirement System	159,903	$2.70M	0.0%	+48.2%	0.113%
5/18/2026	Royal Bank of Canada	101,914	$1.72M	0.0%	+10.9%	0.072%
5/16/2026	The Manufacturers Life Insurance Company	58,790	$991K	0.0%	+76.7%	0.042%
5/16/2026	Quantinno Capital Management LP	14,049	$237K	0.0%	N/A	0.010%
5/14/2026	Renaissance Technologies LLC	359,525	$6.06M	0.0%	+218.7%	0.262%
5/14/2026	Arrowstreet Capital Limited Partnership	227,132	$3.83M	0.0%	N/A	0.166%
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5/14/2026	Sei Investments Co.	579,161	$9.77M	0.0%	+34.1%	0.423%
5/14/2026	State of Wyoming	6,041	$102K	0.0%	+155.2%	0.004%
5/13/2026	Cetera Investment Advisers	22,775	$384K	0.0%	-44.1%	0.017%
5/13/2026	First Trust Advisors LP	394,569	$6.65M	0.0%	+1,105.0%	0.288%
5/7/2026	Earned Wealth Advisors LLC	13,234	$223K	0.0%	-5.3%	0.010%
5/7/2026	Parallel Advisors LLC	4,002	$67K	0.0%	-21.9%	0.003%
5/7/2026	AlphaCentric Advisors LLC	60,000	$1.01M	1.0%	+20.0%	0.044%
5/7/2026	KBC Group NV	3,399	$57K	0.0%	N/A	0.002%
5/7/2026	Swiss National Bank	232,400	$3.92M	0.0%	+4.7%	0.170%
5/6/2026	Allspring Global Investments Holdings LLC	431,398	$6.70M	0.0%	+700.2%	0.315%
5/5/2026	Wealthfront Advisers LLC	11,061	$186K	0.0%	-22.9%	0.008%
5/5/2026	Bank of New York Mellon Corp	298,865	$5.04M	0.0%	-3.5%	0.218%
5/5/2026	Geneos Wealth Management Inc.	17,140	$289K	0.0%	+60.9%	0.013%
5/5/2026	Sigma Planning Corp	30,285	$511K	0.0%	N/A	0.022%
5/4/2026	Calamos Advisors LLC	364,506	$6.15M	0.0%	+206.2%	0.266%
5/4/2026	Principal Financial Group Inc.	25,382	$428K	0.0%	N/A	0.019%
4/29/2026	Richmond Investment Services LLC	39,994	$674K	0.1%	+268.3%	0.029%
4/28/2026	Stephens Investment Management Group LLC	893,108	$15.06M	0.2%	-38.1%	0.652%
4/27/2026	Counterpoint Mutual Funds LLC	32,490	$548K	0.1%	-1.7%	0.024%
4/27/2026	Y Intercept Hong Kong Ltd	164,224	$2.77M	0.1%	N/A	0.120%
4/25/2026	Mitchell & Pahl Private Wealth LLC	10,000	$169K	0.1%	N/A	0.007%
4/23/2026	Inspire Investing LLC	31,051	$524K	0.0%	-48.5%	0.023%
4/16/2026	SG Americas Securities LLC	423,037	$7.13M	0.0%	+65.7%	0.309%
3/3/2026	Caitong International Asset Management Co. Ltd	8,362	$66K	0.0%	-45.1%	0.006%
2/19/2026	Invesco Ltd.	1,311,915	$10.35M	0.0%	-44.9%	1.005%
2/19/2026	Alberta Investment Management Corp	126,900	$1.00M	0.0%	N/A	0.097%
2/18/2026	Vident Advisory LLC	13,564	$107K	0.0%	N/A	0.010%
2/18/2026	Voloridge Investment Management LLC	1,602,001	$12.64M	0.0%	-14.6%	1.228%
2/18/2026	Summit Securities Group LLC	6,850	$54K	0.0%	N/A	0.005%
2/18/2026	Numerai GP LLC	96,209	$759K	0.1%	+29.1%	0.074%
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2/18/2026	Osterweis Capital Management Inc.	454,830	$3.59M	0.2%	+142.6%	0.349%
2/18/2026	Inspire Investing LLC	60,242	$475K	0.0%	+37.4%	0.046%
2/18/2026	Engineers Gate Manager LP	360,401	$2.84M	0.0%	+90.9%	0.276%
2/17/2026	Polar Asset Management Partners Inc.	78,600	$620K	0.0%	N/A	0.060%
2/17/2026	AQR Capital Management LLC	136,099	$1.07M	0.0%	+3.5%	0.104%
2/17/2026	Trexquant Investment LP	31,010	$245K	0.0%	-87.6%	0.024%
2/17/2026	Amundi	140,306	$1.11M	0.0%	N/A	0.108%
2/17/2026	Jump Financial LLC	10,381	$82K	0.0%	-95.7%	0.008%
2/17/2026	Price T Rowe Associates Inc. MD	80,578	$636K	0.0%	+64.1%	0.062%
2/17/2026	California State Teachers Retirement System	107,930	$852K	0.0%	+29.1%	0.083%
2/17/2026	Russell Investments Group Ltd.	235,019	$1.85M	0.0%	-23.0%	0.180%
2/17/2026	Lombard Odier Asset Management USA Corp	23,942	$189K	0.0%	N/A	0.018%
2/17/2026	Granahan Investment Management LLC	64,382	$508K	0.0%	N/A	0.049%
2/17/2026	ExodusPoint Capital Management LP	26,560	$210K	0.0%	N/A	0.020%
2/17/2026	Royal Bank of Canada	91,916	$726K	0.0%	-27.8%	0.070%
2/17/2026	Blair William & Co. IL	40,152	$317K	0.0%	+62.0%	0.031%
2/17/2026	Mangrove Partners IM LLC	116,624	$920K	0.1%	N/A	0.089%
2/17/2026	Graham Capital Management L.P.	49,596	$391K	0.0%	+3.2%	0.038%
2/17/2026	Alberta Investment Management Corp	126,900	$1.00M	0.0%	N/A	0.097%
2/17/2026	Faithward Advisors LLC	101,175	$798K	0.1%	N/A	0.078%
2/16/2026	Squarepoint Ops LLC	218,046	$1.72M	0.0%	+278.5%	0.167%
2/16/2026	Verition Fund Management LLC	292,097	$2.31M	0.0%	-9.7%	0.224%
2/13/2026	FORA Capital LLC	38,928	$307K	0.0%	+190.7%	0.030%
2/13/2026	The Manufacturers Life Insurance Company	33,280	$263K	0.0%	+5.1%	0.026%
2/13/2026	Walleye Capital LLC	269,406	$2.13M	0.0%	+106.0%	0.206%
2/13/2026	Bridgefront Capital LLC	20,609	$163K	0.0%	N/A	0.016%
2/13/2026	Essex Investment Management Co. LLC	516,765	$4.08M	0.6%	-25.9%	0.396%
2/13/2026	First Trust Advisors LP	32,744	$258K	0.0%	+6.7%	0.025%
2/13/2026	Charles Schwab Investment Management Inc.	1,036,891	$8.18M	0.0%	+6.4%	0.795%
2/13/2026	Police & Firemen s Retirement System of New Jersey	29,606	$234K	0.0%	+10.0%	0.023%
2/13/2026	State Street Corp	2,553,710	$20.15M	0.0%	+16.6%	1.957%
2/13/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	188,844	$1.49M	0.0%	+62.1%	0.145%
2/13/2026	Wells Fargo & Company MN	142,355	$1.12M	0.0%	+142.3%	0.109%
2/12/2026	DRW Securities LLC	23,321	$184K	0.0%	+42.0%	0.018%
2/12/2026	Orion Porfolio Solutions LLC	10,919	$86K	0.0%	N/A	0.008%
2/12/2026	MetLife Investment Management LLC	60,513	$477K	0.0%	+4.0%	0.046%
2/12/2026	Richmond Investment Services LLC	10,858	$86K	0.0%	-26.6%	0.008%
2/12/2026	Commonwealth Equity Services LLC	21,577	$170K	0.0%	N/A	0.017%
2/12/2026	Renaissance Technologies LLC	112,825	$890K	0.0%	+809.9%	0.086%
2/12/2026	Counterpoint Mutual Funds LLC	33,040	$261K	0.0%	-30.6%	0.025%
2/12/2026	Federated Hermes Inc.	286,658	$2.26M	0.0%	+212.3%	0.220%
2/12/2026	AlphaCentric Advisors LLC	50,000	$394K	0.4%	N/A	0.038%
2/12/2026	Informed Momentum Co LLC	236,810	$1.87M	0.2%	-51.5%	0.181%
2/12/2026	Alps Advisors Inc.	147,062	$1.16M	0.0%	-1.2%	0.113%
2/12/2026	Swiss National Bank	222,000	$1.75M	0.0%	+26.6%	0.170%
2/12/2026	Polen Capital Management LLC	288,290	$2.28M	0.0%	-15.1%	0.221%
2/12/2026	Nuveen LLC	233,159	$1.84M	0.0%	-3.8%	0.179%
2/12/2026	MIdWestOne Financial Group Inc.	17,011	$134K	0.0%	-7.1%	0.013%
2/11/2026	Deutsche Bank AG	1,955,018	$15.43M	0.0%	-5.4%	1.498%
2/11/2026	Fox Run Management L.L.C.	74,774	$590K	0.1%	+129.9%	0.057%
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2/11/2026	LPL Financial LLC	114,706	$905K	0.0%	-30.6%	0.088%
2/11/2026	Franklin Resources Inc.	78,837	$622K	0.0%	N/A	0.060%
2/10/2026	Goldman Sachs Group Inc.	2,194,841	$17.32M	0.0%	+23.0%	1.682%
2/10/2026	AXQ Capital LP	21,174	$167K	0.0%	+21.9%	0.016%
2/10/2026	BNP Paribas Financial Markets	707,079	$5.58M	0.0%	-63.6%	0.542%
2/10/2026	Norges Bank	1,304,838	$10.30M	0.0%	N/A	1.000%
2/10/2026	Jupiter Asset Management Ltd.	960,912	$7.58M	0.1%	+381.9%	0.736%
2/10/2026	Intech Investment Management LLC	51,111	$403K	0.0%	+33.8%	0.039%
2/10/2026	Foundations Investment Advisors LLC	124,134	$979K	0.0%	+2.5%	0.095%
2/9/2026	Geode Capital Management LLC	2,678,417	$21.14M	0.0%	+10.5%	2.053%

AMPX Institutional Ownership - Frequently Asked Questions

During the previous two years, 186 institutional investors and hedge funds held shares of Amprius Technologies. The most heavily invested institutionals were Vanguard Group Inc. ($56.25M), Geode Capital Management LLC ($21.14M), State Street Corp ($20.15M), Two Sigma Investments LP ($18.45M), Goldman Sachs Group Inc. ($17.32M), UBS Group AG ($16.56M), and Deutsche Bank AG ($15.43M).Learn more on Amprius Technologies' institutional investors.

5.04% of Amprius Technologies' stock is owned by institutional investors. Learn more on AMPX's institutional investor holdings.

Of the 172 institutional investors that purchased Amprius Technologies' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Vanguard Group Inc. ($2.37M), Invesco Ltd. ($2.16M), BNP Paribas Financial Markets ($1.94M), Voloridge Investment Management LLC ($1.88M), Geode Capital Management LLC ($1.47M), Board of Trustees of The Leland Stanford Junior University ($1.46M), and Stephens Investment Management Group LLC ($1.44M).

Institutional investors have bought a total of 31,456,707 shares in the last 24 months. This purchase volume represents approximately $295.90M in transactions.

Of the 45 institutional investors that sold Amprius Technologies' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: BNP Paribas Financial Markets ($1.24M), Invesco Ltd. ($1.12M), Stephens Investment Management Group LLC ($548.59K), Essex Investment Management Co. LLC ($508.59K), Board of Trustees of The Leland Stanford Junior University ($310.92K), Voloridge Investment Management LLC ($274.14K), and Informed Momentum Co LLC ($251.72K).

Institutional investors have sold a total of 5,821,813 shares in the last 24 months. This volume of shares sold represents approximately $52.01M in transactions.

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This page (NYSE:AMPX) was last updated on 6/7/2026 by MarketBeat.com Staff.

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Amprius Technologies (AMPX) Institutional Ownership

AMPX Institutional Buying and Selling by Quarter

Amprius Technologies Major Shareholders & Ownership History

AMPX Institutional Ownership - Frequently Asked Questions

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Amprius Technologies (AMPX) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Amprius Technologies (NYSE:AMPX)

AMPX Institutional Buying and Selling by Quarter

Amprius Technologies Major Shareholders & Ownership History

AMPX Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of AMPX shares?

What percentage of Amprius Technologies' stock is owned by institutional investors?

Which institutional investors have been buying Amprius Technologies' stock?

How much institutional buying is happening at Amprius Technologies?

Which of Amprius Technologies' major shareholders have been selling company stock?

How much institutional selling is happening at Amprius Technologies?

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