Stocks
ACMR
JANE STREET GROUP, LLC

JANE STREET GROUP, LLC

CIK

0001595888

City

NEW YORK

State / Country

Stock

ACMR — ACM Research, Inc.

Holdings in ACMR

Position Over Time

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2025-12-31	$19,070,130	483,400	+55.5%	Shares	Defined	2026-02-12
2025-12-31	$12,261,060	310,800	+7.5%	Shares	Defined	2026-02-12
2025-09-30	$11,312,483	289,100	+64.9%	Shares	Defined	2025-11-14
2025-09-30	$6,860,153	175,317	-64.4%	Shares	Defined	2025-11-14
2025-09-30	$19,279,351	492,700	+6.3%	Shares	Defined	2025-11-14
2025-06-30	$12,004,650	463,500	+78.3%	Shares	Defined	2025-08-14
2025-06-30	$6,734,517	260,020	+124.2%	Shares	Defined	2025-08-14
2025-06-30	$3,004,400	116,000	-77.1%	Shares	Defined	2025-08-14
2025-03-31	$11,831,046	506,900	+6.5%	Shares	Defined	2025-05-19
2025-03-31	$11,111,916	476,089	+151.8%	Shares	Defined	2025-05-19
2025-03-31	$4,413,594	189,100	+238.3%	Shares	Defined	2025-05-19
2024-12-31	$844,090	55,900	+37.0%	Shares	Defined	2025-02-14
2024-12-31	$616,003	40,795	+173.8%	Shares	Defined	2025-02-14
2024-12-31	$224,990	14,900	-67.3%	Shares	Defined	2025-02-14
2024-09-30	$925,253	45,579	+214.3%	Shares	Defined	2024-11-15
2024-09-30	$294,350	14,500	-85.4%	Shares	Defined	2024-11-15
2024-09-30	$2,009,700	99,000	-0.1%	Shares	Defined	2024-11-15
2024-06-30	$2,284,091	99,050	-48.6%	Shares	Defined	2024-08-15
2024-03-31	$5,615,247	192,699	+237.5%	Shares	Defined	2024-05-16
2023-12-31	$1,115,538	57,090	-29.6%	Shares	Defined	2024-02-15
2023-03-31	$949,418	81,147	+1.3%	Shares	Defined	2023-05-16
2022-12-31	$617,331	80,069	+312.5%	Shares	Defined	2023-02-15
2022-09-30	$241,848	19,410	-2.7%	Shares	Defined	2022-11-15
2022-06-30	$335,741	19,949	-62.1%	Shares	Defined	2022-08-16
2022-03-31	$1,090,363	52,700	-61.8%	Shares	Defined	2022-05-17
2022-03-31	$2,853,151	137,900	+661.2%	Shares	Defined	2022-05-17
2022-03-31	$374,799	18,115	+255.2%	Shares	Defined	2022-05-17
2021-12-31	$144,958	5,100	-29.2%	Shares	Defined	2022-02-15
2021-12-31	$204,647	7,200	-15.4%	Shares	Defined	2022-02-15
2021-12-31	$241,939	8,512	-96.8%	Shares	Defined	2022-02-15
2021-09-30	$9,801,008	267,300	+454.6%	Shares	Defined	2021-11-16
2021-09-30	$1,767,334	48,200	-7.1%	Shares	Defined	2021-11-16
2021-09-30	$1,903,111	51,903	+356.2%	Shares	Defined	2021-11-16
2021-06-30	$387,651	11,377	-94.1%	Shares	Defined	2021-08-16
2021-06-30	$6,596,590	193,600	+1182.1%	Shares	Defined	2021-08-16
2021-06-30	$514,506	15,100	-7.2%	Shares	Defined	2021-08-16
2021-03-31	$437,962	16,263	-57.4%	Shares	Defined	2021-05-18
2021-03-31	$1,028,726	38,200	-29.5%	Shares	Defined	2021-05-18
2021-03-31	$1,459,606	54,200	+215.1%	Shares	Defined	2021-05-18
2020-12-31	$465,832	17,200	+53.6%	Shares	Defined	2021-02-17
2020-12-31	$303,332	11,200	+123.2%	Shares	Defined	2021-02-17
2020-12-31	$135,876	5,017	-98.3%	Shares	Defined	2021-02-17
2020-09-30	$6,935,326	301,100	+1880.9%	Shares	Defined	2020-11-17
2020-09-30	$350,106	15,200	-79.9%	Shares	Defined	2020-11-17
2020-09-30	$1,742,054	75,632	+64.0%	Shares	Defined	2020-11-17
2020-06-30	$958,537	46,113	-82.3%	Shares	Defined	2020-08-17
2020-06-30	$5,423,250	260,900	+3121.0%	Shares	Defined	2020-08-17
2020-06-30	$168,372	8,100	-3.4%	Shares	Defined	2020-08-17
2020-03-31	$82,769	8,386	—	Shares	Defined	2020-05-15