Stocks
MASI
D. E. Shaw & Co., Inc.

D. E. Shaw & Co., Inc.

CIK

0001009207

City

New York

State / Country

Stock

MASI — MASIMO CORP

Holdings in MASI

Position Over Time

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2025-12-31	$8,586,040	66,016	+735.6%	Shares	Defined	2026-02-17
2024-09-30	$1,053,307	7,900	-21.0%	Shares	Defined	2024-11-14
2024-09-30	$1,333,300	10,000	-58.9%	Shares	Defined	2024-11-14
2024-09-30	$3,247,652	24,358	+208.3%	Shares	Defined	2024-11-14
2024-06-30	$994,926	7,900	-21.0%	Shares	Defined	2024-08-14
2024-06-30	$1,259,400	10,000	-80.7%	Shares	Defined	2024-08-14
2023-06-30	$8,546,233	51,937	-74.0%	Shares	Defined	2023-08-14
2023-03-31	$36,850,422	199,688	-29.3%	Shares	Defined	2023-05-15
2022-12-31	$41,776,937	282,372	-28.5%	Shares	Defined	2023-02-14
2022-09-30	$55,709,076	394,652	+11859.2%	Shares	Defined	2022-11-14
2022-06-30	$431,211	3,300	-99.5%	Shares	Defined	2022-08-15
2022-06-30	$84,372,181	645,689	+19466.3%	Shares	Defined	2022-08-15
2022-03-31	$480,282	3,300	-99.5%	Shares	Defined	2022-05-16
2022-03-31	$104,294,400	716,603	+4683.4%	Shares	Defined	2022-05-16
2021-12-31	$4,386,137	14,981	+49.8%	Shares	Defined	2022-02-14
2021-09-30	$2,707,100	10,000	+689.9%	Shares	Defined	2021-11-15
2021-09-30	$342,718	1,266	-87.3%	Shares	Defined	2021-11-15
2021-06-30	$2,424,500	10,000	-62.4%	Shares	Defined	2021-08-16
2021-06-30	$6,449,170	26,600	0.0%	Shares	Defined	2021-08-16
2021-03-31	$6,108,956	26,600	+91.4%	Shares	Defined	2021-05-17
2020-09-30	$3,281,234	13,900	+1241.7%	Shares	Defined	2020-11-16
2020-09-30	$244,558	1,036	-89.6%	Shares	Defined	2020-11-16
2020-09-30	$2,360,600	10,000	+274.7%	Shares	Defined	2020-11-16
2020-06-30	$608,505	2,669	-80.8%	Shares	Defined	2020-08-14
2020-06-30	$3,169,061	13,900	+39.0%	Shares	Defined	2020-08-14
2020-06-30	$2,279,900	10,000	+187.4%	Shares	Defined	2020-08-14
2020-03-31	$616,377	3,480	—	Shares	Defined	2020-05-15