Mks Inc (MKSI) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

1,036,026Shares held by institutions

$218,269,958Value of institutional holdings

119.53%Institutional ownership %

14.33%Shares Changed QoQ

392No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Mks Inc (NASDAQ:MKSI) appears in 501 institutional 13F filings for the quarter ending December 2025.

These investors held 100.3% of outstanding shares in December 2025, down from 108.5% in September 2025.
Their total shares held in MKSI decreased -0.39% from the prior quarter, while the number of investors in Mks increased 20.72% year over year.
Of these 501 holders, 297 added to their stakes in Mks, 147 trimmed positions, and 57 made no changes.
Institutional investors collectively held 67.83Mn shares in Mks as of December 2025, down by 266.84K shares quarter on quarter, and down 5.48Mn shares year over year.
VANGUARD GROUP INC is the top holder of Mks as of December 31, 2025, with 7.49Mn shares representing 11.08% of outstanding stock.
The largest buyers of Mks for the quarter ending December 2025 were Invesco Ltd. (1.47Mn), NORGES BANK (922.74K), Southpoint Capital Advisors LP (600.0K), WESTFIELD CAPITAL MANAGEMENT CO LP (516.41K), Delta Global Management LP (503.24K).
Top sellers of MKSI stock for the quarter ending December 2025 included VICTORY CAPITAL MANAGEMENT INC (1.02Mn), NORDEA INVESTMENT MANAGEMENT AB (996.6K), FRONTIER CAPITAL MANAGEMENT CO LLC (530.03K), WELLINGTON MANAGEMENT GROUP LLP (461.77K), Point72 Asset Management, L.P. (387.75K).
Per Business Quant data, the top 10 holders of Mks for the quarter ending December 2025 are VANGUARD GROUP INC (7.49Mn), BlackRock, Inc. (6.14Mn), Invesco Ltd. (3.86Mn), Capital International Investors (3.24Mn), FMR LLC (3.2Mn), VICTORY CAPITAL MANAGEMENT INC (2.56Mn), WELLINGTON MANAGEMENT GROUP LLP (2.55Mn), State Street Corp (2.02Mn), Jpmorgan Chase & Co (1.55Mn), Neuberger Berman Group LLC (1.46Mn).

501 Institutional Holders

1,036,026 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	15,510	0.25%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-264,792	-3.42%	$0.00
Delta Global Management LP	31 Dec, 2025	503,245	332.10%	$0.00
Barclays Plc	31 Dec, 2025	-1,045,964	-75.45%	$0.00
Invesco Ltd.	31 Dec, 2025	1,472,145	61.77%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	-387,754	-38.26%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	16	0.09%	$0.00
Capital International Investors	31 Dec, 2025	-15,433	-0.47%	$0.00
Blue Grotto Capital, LLC	31 Dec, 2025	203,652	96.13%	$0.00
World Investment Advisors	31 Dec, 2025	1,020	63.04%	$0.00
FMR LLC	31 Dec, 2025	-244,929	-7.11%	$0.00
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	31 Dec, 2025	-214,632	-36.00%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	699	168.43%	$0.00
VICTORY CAPITAL MANAGEMENT INC	31 Dec, 2025	-1,019,817	-28.47%	$0.00
Nuveen, LLC	31 Dec, 2025	60,175	21.40%	$0.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	-461,774	-15.32%	$0.00
UBS Group AG	31 Dec, 2025	-330,130	-50.49%	$0.00
State Street Corp	31 Dec, 2025	-26,367	-1.29%	$0.00
VALUE HOLDINGS MANAGEMENT CO. LLC	31 Dec, 2025	0	0.00%	$0.00
Jpmorgan Chase & Co	31 Dec, 2025	222,251	16.72%	$0.00

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