Stocks
MRK
JANE STREET GROUP, LLC

JANE STREET GROUP, LLC

CIK

0001595888

City

NEW YORK

State / Country

Stock

MRK — Merck & Co., Inc.

Holdings in MRK

Position Over Time

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2025-12-31	$13,440,332	127,687	-97.3%	Shares	Defined	2026-02-12
2025-12-31	$497,037,720	4,722,000	+94.2%	Shares	Defined	2026-02-12
2025-12-31	$255,981,794	2,431,900	+94.4%	Shares	Defined	2026-02-12
2025-09-30	$104,979,644	1,250,800	-43.7%	Shares	Defined	2025-11-14
2025-09-30	$186,425,316	2,221,200	+241.2%	Shares	Defined	2025-11-14
2025-09-30	$54,645,479	651,084	+7683.4%	Shares	Defined	2025-11-14
2025-06-30	$662,172	8,365	-99.6%	Shares	Defined	2025-08-14
2025-06-30	$188,115,824	2,376,400	-7.6%	Shares	Defined	2025-08-14
2025-06-30	$203,512,444	2,570,900	+81.8%	Shares	Defined	2025-08-14
2025-03-31	$126,947,568	1,414,300	+272.5%	Shares	Defined	2025-05-19
2025-03-31	$34,081,153	379,692	-76.8%	Shares	Defined	2025-05-19
2025-03-31	$146,937,120	1,637,000	+307.5%	Shares	Defined	2025-05-19
2024-12-31	$39,964,299	401,732	-31.9%	Shares	Defined	2025-02-14
2024-12-31	$58,713,096	590,200	+63.2%	Shares	Defined	2025-02-14
2024-12-31	$35,971,968	361,600	+22.4%	Shares	Defined	2025-02-14
2024-09-30	$33,545,624	295,400	-74.0%	Shares	Defined	2024-11-15
2024-09-30	$128,981,448	1,135,800	+599.3%	Shares	Defined	2024-11-15
2024-09-30	$18,443,051	162,408	-93.3%	Shares	Defined	2024-11-15
2024-06-30	$301,381,690	2,434,424	+52.9%	Shares	Defined	2024-08-15
2024-03-31	$210,125,755	1,592,465	+182.5%	Shares	Defined	2024-05-16
2023-12-31	$61,461,550	563,764	+51.0%	Shares	Defined	2024-02-15
2023-09-30	$38,443,794	373,422	+5.1%	Shares	Defined	2023-11-15
2023-06-30	$40,983,873	355,177	-9.9%	Shares	Defined	2023-08-14
2023-03-31	$41,956,279	394,363	+278.4%	Shares	Defined	2023-05-16
2022-12-31	$11,561,877	104,208	-6.0%	Shares	Defined	2023-02-15
2022-09-30	$9,545,282	110,837	-23.1%	Shares	Defined	2022-11-15
2022-06-30	$13,137,688	144,101	-92.7%	Shares	Defined	2022-08-16
2022-03-31	$161,827,215	1,972,300	+304.0%	Shares	Defined	2022-05-17
2022-03-31	$40,051,640	488,137	-35.4%	Shares	Defined	2022-05-17
2022-03-31	$62,038,005	756,100	-14.5%	Shares	Defined	2022-05-17
2021-12-31	$67,811,072	884,800	+50.5%	Shares	Defined	2022-02-15
2021-12-31	$45,069,530	588,068	-66.2%	Shares	Defined	2022-02-15
2021-12-31	$133,506,880	1,742,000	+4.8%	Shares	Defined	2022-02-15
2021-09-30	$124,871,350	1,662,513	-26.5%	Shares	Defined	2021-11-16
2021-09-30	$169,981,441	2,263,100	+161.7%	Shares	Defined	2021-11-16
2021-09-30	$64,955,128	864,800	-21.7%	Shares	Defined	2021-11-16
2021-06-30	$85,905,830	1,104,614	+80.0%	Shares	Defined	2021-08-16
2021-06-30	$47,719,672	613,600	-0.5%	Shares	Defined	2021-08-16
2021-06-30	$47,976,313	616,900	-39.5%	Shares	Defined	2021-08-16
2021-03-31	$74,978,892	1,019,300	+41.5%	Shares	Defined	2021-05-18
2021-03-31	$52,969,979	720,100	-26.2%	Shares	Defined	2021-05-18
2021-03-31	$71,743,685	975,319	+130.2%	Shares	Defined	2021-05-18
2020-12-31	$33,064,511	423,614	-69.8%	Shares	Defined	2021-02-17
2020-12-31	$109,469,892	1,402,500	+365.2%	Shares	Defined	2021-02-17
2020-12-31	$23,533,100	301,500	-32.3%	Shares	Defined	2021-02-17
2020-09-30	$35,237,936	445,200	+728.5%	Shares	Defined	2020-11-17
2020-09-30	$4,253,246	53,736	-86.5%	Shares	Defined	2020-11-17
2020-09-30	$31,399,122	396,700	+151.6%	Shares	Defined	2020-11-17
2020-06-30	$11,636,324	157,699	-40.7%	Shares	Defined	2020-08-17
2020-06-30	$19,627,661	266,000	—	Shares	Defined	2020-08-17