WELLINGTON MANAGEMENT GROUP LLP

CIK

902219

City

Boston

State / Country

Stock

MKSI — Mks Inc

Top Portfolio Positions

1,690 positions · $527,475,636,920 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
NVDA	Nvidia Corp Technology	133,857,990	$23,344,833,450	4.43%
MSFT	Microsoft Corp Technology	52,742,167	$19,523,567,954	3.70%
AAPL	Apple Inc. Technology	65,033,441	$16,504,836,987	3.13%
AVGO	Broadcom Inc. Technology	49,687,982	$15,378,927,305	2.92%
GOOGL	Alphabet Inc. Communication Services	47,620,485	$13,693,746,664	2.60%
AMZN	Amazon Com Inc Consumer Cyclical	62,407,139	$12,997,534,834	2.46%
LLY	ELI LILLY & Co Healthcare	13,427,061	$12,349,807,890	2.34%
MRK	Merck & Co., Inc. Healthcare	84,314,971	$10,142,247,857	1.92%
META	Meta Platforms, Inc. Communication Services	11,690,324	$6,688,385,065	1.27%
MA	Mastercard Inc Financial Services	13,001,582	$6,496,370,458	1.23%

Portfolio Trend

25 quarters · across all stocks

Holdings in MKSI

Compact Export CSV

Shares Held

Position Value (USD)

24 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$421,273,210	1,833,137	-28.2%	Shares	Defined	2026-05-15
2025-12-31	$407,812,954	2,552,021	-15.3%	Shares	Defined	2026-02-17
2025-09-30	$373,017,404	3,013,795	+0.5%	Shares	Defined	2025-11-14
2025-06-30	$298,025,745	2,999,454	-7.7%	Shares	Defined	2025-08-14
2025-03-31	$260,494,309	3,250,085	+41.8%	Shares	Defined	2025-05-13
2024-12-31	$239,207,386	2,291,478	+0.3%	Shares	Defined	2025-02-12
2024-09-30	$248,376,583	2,284,763	-35.5%	Shares	Defined	2024-11-14
2024-06-30	$462,505,477	3,541,932	+5.2%	Shares	Defined	2024-08-14
2024-03-31	$447,821,507	3,367,079	+30.6%	Shares	Defined	2024-05-15
2023-12-31	$265,125,821	2,577,290	-4.6%	Shares	Defined	2024-02-12
2023-09-30	$233,852,626	2,702,249	-1.3%	Shares	Defined	2023-11-14
2023-06-30	$295,897,048	2,737,253	+60.9%	Shares	Defined	2023-08-14
2023-03-31	$150,717,095	1,700,712	-10.4%	Shares	Defined	2023-05-12
2022-12-31	$160,837,704	1,898,238	-23.6%	Shares	Defined	2023-02-13
2022-09-30	$205,395,851	2,485,429	-20.9%	Shares	Defined	2022-11-14
2022-06-30	$322,390,282	3,141,287	-32.3%	Shares	Defined	2022-08-15
2022-03-31	$696,324,300	4,642,162	-0.9%	Shares	Defined	2022-05-16
2021-09-30	$706,706,096	4,682,964	-4.0%	Shares	Defined	2021-11-15
2021-06-30	$867,757,869	4,876,414	-8.6%	Shares	Defined	2021-08-16
2021-03-31	$989,373,120	5,335,849	+5.5%	Shares	Defined	2021-05-17
2020-12-31	$760,793,151	5,056,784	+6.1%	Shares	Defined	2021-02-12
2020-09-30	$520,480,074	4,764,992	+0.1%	Shares	Defined	2020-11-16
2020-06-30	$539,073,582	4,760,452	+2.3%	Shares	Defined	2020-08-14
2020-03-31	$379,121,404	4,654,652	—	Shares	Defined	2020-05-14
No 13F history on record for this holder in this stock.