RHUMBLINE ADVISERS

CIK

1115418

City

BOSTON

State / Country

Stock

MKSI — Mks Inc

Top Portfolio Positions

3,469 positions · $113,790,378,372 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
NVDA	Nvidia Corp Technology	42,003,171	$7,325,353,022	6.44%
AAPL	Apple Inc. Technology	25,818,857	$6,552,567,718	5.76%
MSFT	Microsoft Corp Technology	12,999,925	$4,812,182,237	4.23%
AMZN	Amazon Com Inc Consumer Cyclical	16,587,340	$3,454,645,301	3.04%
GOOGL	Alphabet Inc. Communication Services	10,138,654	$2,915,471,344	2.56%
AVGO	Broadcom Inc. Technology	8,207,022	$2,540,155,379	2.23%
META	Meta Platforms, Inc. Communication Services	3,836,760	$2,195,125,498	1.93%
TSLA	Tesla, Inc. Consumer Cyclical	4,844,884	$1,801,085,627	1.58%
BRK-B	Berkshire Hathaway Inc Financial Services	2,848,515	$1,365,008,388	1.20%
JPM	Jpmorgan Chase & Co Financial Services	4,613,123	$1,356,996,261	1.19%

25 quarters · across all stocks

24 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$41,356,607	179,960	+2.2%	Shares	Sole	2026-05-12
2025-12-31	$28,131,351	176,041	-4.0%	Shares	Sole	2026-02-13
2025-09-30	$22,701,274	183,415	-1.7%	Shares	Sole	2025-11-06
2025-06-30	$18,543,060	186,625	-0.6%	Shares	Sole	2025-08-12
2025-03-31	$15,052,731	187,807	+0.8%	Shares	Sole	2025-05-29
2024-12-31	$19,450,884	186,329	+0.8%	Shares	Sole	2025-05-29
2024-09-30	$20,089,064	184,795	+2.9%	Shares	Sole	2024-11-12
2024-06-30	$23,447,205	179,562	-2.3%	Shares	Sole	2024-08-01
2024-03-31	$24,440,080	183,760	-3.4%	Shares	Sole	2024-05-09
2023-12-31	$19,568,651	190,227	-4.6%	Shares	Sole	2024-02-08
2023-09-30	$17,260,749	199,454	+4.2%	Shares	Sole	2023-11-09
2023-06-30	$20,695,528	191,448	+8.3%	Shares	Sole	2023-08-08
2023-03-31	$15,666,686	176,785	-1.1%	Shares	Sole	2023-05-11
2022-12-31	$15,150,910	178,814	+5.6%	Shares	Sole	2023-02-14
2022-09-30	$13,999,216	169,400	+4.9%	Shares	Sole	2022-11-10
2022-06-30	$16,576,797	161,520	+6.5%	Shares	Sole	2022-08-11
2022-03-31	$22,745,850	151,639	+3.5%	Shares	Sole	2022-05-12
2021-09-30	$22,118,727	146,569	-1.1%	Shares	Sole	2021-11-12
2021-06-30	$26,372,901	148,204	-1.9%	Shares	Sole	2021-08-05
2021-03-31	$28,015,107	151,090	-1.4%	Shares	Sole	2021-05-06
2020-12-31	$23,054,807	153,239	-2.0%	Shares	Sole	2021-02-10
2020-09-30	$17,078,110	156,350	-2.7%	Shares	Sole	2020-11-12
2020-06-30	$18,202,990	160,747	+3.8%	Shares	Sole	2020-08-13
2020-03-31	$12,608,134	154,796	—	Shares	Sole	2020-05-06
No 13F history on record for this holder in this stock.