UBS Group AG

CIK

1610520

City

ZURICH

State / Country

Stock

ACMR — ACM Research, Inc.

Top Portfolio Positions

5,502 positions · $502,424,885,278 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
NVDA	Nvidia Corp Technology	112,686,204	$19,652,473,971	3.91%
AAPL	Apple Inc. Technology	63,227,928	$16,046,615,837	3.19%
MSFT	Microsoft Corp Technology	40,069,682	$14,832,594,175	2.95%
SPY	Spdr S&P 500 ETF Trust	20,312,766	$13,210,204,236	2.63%
QQQ	Invesco Qqq Trust, Series 1	18,112,381	$10,454,104,063	2.08%
GOOGL	Alphabet Inc. Communication Services	31,731,965	$9,124,843,848	1.82%
AVGO	Broadcom Inc. Technology	28,755,685	$8,900,172,058	1.77%
AMZN	Amazon Com Inc Consumer Cyclical	42,643,317	$8,881,323,623	1.77%
META	Meta Platforms, Inc. Communication Services	12,214,553	$6,988,312,201	1.39%
GLD	Spdr Gold Trust	15,523,310	$6,679,525,057	1.33%

Portfolio Trend

25 quarters · across all stocks

Holdings in ACMR

Compact Export CSV

Shares Held

Position Value (USD)

29 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$15,901,687	404,109	+652.5%	Shares	Defined	2026-05-05
2025-12-31	$2,118,465	53,700	-89.5%	Put	Defined	2026-01-29
2025-12-31	$20,131,925	510,315	+906.5%	Shares	Defined	2026-01-29
2025-12-31	$2,000,115	50,700	+37.8%	Call	Defined	2026-01-29
2025-09-30	$1,439,984	36,800	-27.4%	Put	Defined	2025-11-13
2025-09-30	$1,983,891	50,700	-91.4%	Call	Defined	2025-11-13
2025-09-30	$23,029,569	588,540	+51.9%	Shares	Defined	2025-11-13
2025-06-30	$10,033,917	387,410	+207.5%	Shares	Defined	2025-08-14
2025-06-30	$3,263,400	126,000	-45.5%	Call	Defined	2025-08-14
2025-03-31	$5,398,914	231,316	-79.6%	Shares	Defined	2025-05-13
2024-12-31	$17,086,629	1,131,565	+1030.7%	Shares	Defined	2025-02-14
2024-09-30	$2,031,581	100,078	-70.6%	Shares	Defined	2024-11-14
2024-06-30	$7,852,552	340,527	-17.1%	Shares	Defined	2024-08-14
2024-03-31	$11,973,858	410,908	-26.7%	Shares	Defined	2024-05-13
2023-12-31	$10,947,284	560,250	+6.6%	Shares	Defined	2024-02-09
2023-09-30	$9,510,954	525,322	+3.9%	Shares	Defined	2023-11-09
2023-06-30	$6,611,298	505,451	-9.5%	Shares	Defined	2023-08-11
2023-03-31	$6,532,436	558,328	+2.5%	Shares	Defined	2023-05-12
2022-12-31	$4,199,543	544,688	+7.3%	Shares	Defined	2023-02-08
2022-09-30	$6,325,529	507,667	-47.9%	Shares	Defined	2022-11-10
2022-06-30	$16,388,800	973,785	+539.0%	Shares	Defined	2022-08-10
2022-03-31	$3,153,113	152,398	+31.4%	Shares	Defined	2022-05-16
2021-12-31	$3,296,135	115,966	-59.1%	Shares	Defined	2022-02-14
2021-09-30	$10,386,868	283,278	-21.8%	Shares	Defined	2021-11-15
2021-06-30	$12,345,948	362,335	+181067.5%	Shares	Defined	2021-08-13
2021-03-31	$5,386	200	-95.3%	Shares	Defined	2021-05-12
2020-12-31	$114,751	4,237	+7.0%	Shares	Sole	2021-02-11
2020-09-30	$91,188	3,959	-49.6%	Shares	Defined	2020-11-12
2020-06-30	$163,299	7,856	—	Shares	Defined	2020-07-31
No 13F history on record for this holder in this stock.