BlackRock

BlackRock’s Amprius Technologies AMPX Stock Holding History

BlackRock’s Portfolio AMPX Stock Details AMPX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$156M	Buy	9,225,611 +401,832	+5%	+$5.24M	﹤0.01%	1826
2025 Q4	$69.6M	Buy	8,823,779 +1,368,076	+18%	+$15.6M	﹤0.01%	2322
2025 Q3	$78.4M	Buy	7,455,703 +2,185,685	+41%	+$17.2M	﹤0.01%	2245
2025 Q2	$22.2M	Buy	5,270,018 +4,195,966	+391%	+$11.8M	﹤0.01%	2959
2025 Q1	$2.88M	Buy	1,074,052 +502,469	+88%	+$1.48M	﹤0.01%	3877
2024 Q4	$1.6M	Sell	571,583 -120,946	-17%	-$211K	﹤0.01%	4097
2024 Q3	$769K	Buy	692,529 +62,804	+10%	+$69.2K	﹤0.01%	4235
2024 Q2	$800K	Buy	629,725 +106,942	+20%	+$174K	﹤0.01%	4231
2024 Q1	$1.39M	Sell	522,783 -21,834	-4%	-$81K	﹤0.01%	4110
2023 Q4	$2.88M	Buy	544,617 +88,562	+19%	+$333K	﹤0.01%	3901
2023 Q3	$2.16M	Buy	456,055 +47,335	+12%	+$279K	﹤0.01%	3957
2023 Q2	$2.93M	Buy	408,720 +241,384	+144%	+$2.07M	﹤0.01%	3900
2023 Q1	$1.46M	Buy	167,336 +78	+0%	+$493	﹤0.01%	4196
2022 Q4	$1.33M	Buy	+167,258	New	+$1.53M	﹤0.01%	4311

Other funds holding AMPX

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Two Sigma Investments

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Massachusetts Financial Services

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return