Mks Inc (MKSI) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

67,600,000Shares Outstanding

68,022,739Shares held by institutions

$19,115,750,114Value of institutional holdings

100.63%Institutional ownership %

-2.10%Shares Changed QoQ

503No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Mks Inc (NASDAQ:MKSI) is held by 501 institutional investors per 13F filings through December 2025.

Collectively, these holders controlled 100.3% of Mks's outstanding shares in December 2025, down from 108.5% in September 2025.
They decreased total shares held in MKSI by -0.39% quarter over quarter, and investors in Mks increased 20.72% from a year ago.
Among the 501 funds, 297 bought more Mks shares, 147 sold down, and 57 held their ground.
Combined, these investors held 67.83Mn shares in MKSI for December 2025, down by 266.84K shares quarter on quarter, and down 5.48Mn shares year over year.
Retirement Systems of Alabama is the top holder of Mks as of December 31, 2025, with 158.45K shares representing 0.23% of outstanding stock.
The largest buyers of Mks for the quarter ending December 2025 were SG Americas Securities, LLC (91.22K), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (10.93K), J.W. COLE ADVISORS, INC. (7.34K), OP Asset Management Ltd (5.66K), TT International Asset Management LTD (3.76K).
The largest sellers of Mks for the quarter ending December 2025 were Assenagon Asset Management S.A. (55.94K), STRS OHIO (35.6K), Sterling Capital Management LLC (9.93K), Janney Montgomery Scott LLC (7.82K), Venturi Wealth Management, LLC (1.58K).
Per Business Quant data, the top 10 holders of Mks for the quarter ending December 2025 are Retirement Systems of Alabama (158.45K), SG Americas Securities, LLC (110.34K), GHP Investment Advisors, Inc. (50.49K), STRS OHIO (45.2K), Assenagon Asset Management S.A. (36.91K), Oliver Luxxe Assets LLC (22.43K), YOUSIF CAPITAL MANAGEMENT, LLC (19.81K), Louisiana State Employees Retirement System (19.5K), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (10.93K), Pictet Asset Management Holding SA (10.9K).

505 Institutional Holders

68,022,739 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	7,487,305	-264,792	-3.42%	$1,196,471,339.00
BlackRock, Inc.	31 Dec, 2025	6,138,839	15,510	0.25%	$980,986,438.00
Invesco Ltd.	31 Dec, 2025	3,855,511	1,472,145	61.77%	$616,110,658.00
Capital International Investors	31 Dec, 2025	3,239,230	-15,433	-0.47%	$517,628,954.00
FMR LLC	31 Dec, 2025	3,198,335	-244,929	-7.11%	$511,094,010.00
VICTORY CAPITAL MANAGEMENT INC	31 Dec, 2025	2,562,399	-1,019,817	-28.47%	$409,471,360.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	2,552,021	-461,774	-15.32%	$407,812,955.00
State Street Corp	31 Dec, 2025	2,017,590	-26,367	-1.29%	$322,410,882.00
Jpmorgan Chase & Co	31 Dec, 2025	1,551,443	222,251	16.72%	$247,920,742.00
Neuberger Berman Group LLC	31 Dec, 2025	1,461,189	-173,607	-10.62%	$233,497,989.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,254,049	5,551	0.44%	$200,437,891.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	1,117,487	-147,878	-11.69%	$178,581,199.00
Franklin Resources Inc	31 Dec, 2025	1,041,725	-367,228	-26.06%	$166,467,655.00
COOKE & BIELER LP	31 Dec, 2025	966,703	-355,174	-26.87%	$154,479,139.00
NORGES BANK	31 Dec, 2025	922,737	922,737	0.00%	$147,453,373.00
Madison Asset Management, LLC	31 Dec, 2025	921,450	-54,641	-5.60%	$147,247,760.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	870,654	24,349	2.88%	$139,130,509.00
WESTFIELD CAPITAL MANAGEMENT CO LP	31 Dec, 2025	839,773	516,409	159.70%	$134,195,725.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	817,251	371,003	83.14%	$130,596,710.00
Bank of New York Mellon Corp	31 Dec, 2025	788,648	137,519	21.12%	$126,026,114.00

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