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MKS Inc. Common Stock
MKSI

Overview Fund Activity

388 hedge funds and large institutions have $7.41B invested in MKS Inc. Common Stock in 2025 Q2 according to their latest regulatory filings, with 74 funds opening new positions, 152 increasing their positions, 127 reducing their positions, and 71 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
388
Holders Change
-3
Holders Change %
-0.77%
% of All Funds
5.2%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.05%
New
74
Increased
152
Reduced
127
Closed
71
Calls
$198M
Puts
$25.1M
Net Calls
+$173M
Net Calls Change
+$34M

Top Buyers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$61M
2
FCM
Frontier Capital Management
Massachusetts
+$53.9M
3
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$48M
4
Victory Capital Management
Victory Capital Management
Texas
+$47.5M
5
CCM
Channing Capital Management
Illinois
+$43.6M

Top Sellers

1
Nordea Investment Management
Nordea Investment Management
Sweden
-$57.3M
2
Millennium Management
Millennium Management
New York
-$53.7M
3
Nomura Holdings
Nomura Holdings
Japan
-$29.6M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$29.4M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
-$28.8M
Name Holding Trade Value Shares
Change 		Shares
Change %
SI
101
Sora Investors
Pennsylvania
$5.73M +$5.73M +57,679 New
JG
102
Jain Global
New York
$5.7M -$2.31M -23,254 -29%
Canada Life
103
Canada Life
Manitoba, Canada
$5.52M -$27K -272 -0.5%
WSCM
104
Wellington Shields Capital Management
New York
$5.48M +$5.48M +55,119 New
State Board of Administration of Florida Retirement System
105
State Board of Administration of Florida Retirement System
Florida
$5.44M +$41.7K +420 +0.8%
RC
106
Roubaix Capital
Colorado
$5.32M +$2.19M +21,995 +70%
DCM
107
Divisar Capital Management
California
$5.17M +$5.17M +52,000 New
MOACM
108
Mutual of America Capital Management
New York
$5.08M -$240K -2,414 -5%
TI
109
Trexquant Investment
Connecticut
$4.73M -$1.83M -18,377 -28%
Macquarie Group
110
Macquarie Group
Australia
$4.67M -$2.96M -29,756 -39%
State of Wisconsin Investment Board
111
State of Wisconsin Investment Board
Wisconsin
$4.59M -$1.26M -12,649 -21%
GIA
112
GHP Investment Advisors
Colorado
$4.54M -$150K -1,511 -3%
GF
113
Gabelli Funds
New York
$4.5M +$789K +7,940 +21%
Creative Planning
114
Creative Planning
Kansas
$4.44M +$1.04M +10,495 +31%
TRSOTSOK
115
Teachers Retirement System of the State of Kentucky
Kentucky
$3.8M -$257K -2,588 -6%
Walleye Capital
116
Walleye Capital
New York
$3.78M -$2.54M -25,592 -40%
WCM Investment Management
117
WCM Investment Management
California
$3.71M +$61.9K +618 +2%
MIM
118
MetLife Investment Management
New Jersey
$3.59M -$141K -1,416 -4%
GLA
119
Great Lakes Advisors
Illinois
$3.54M -$645K -6,494 -15%
State of Tennessee, Department of Treasury
120
State of Tennessee, Department of Treasury
Tennessee
$3.33M – – –
AA
121
AQR Arbitrage
Connecticut
$3.33M +$328K +3,299 +11%
GC
122
Globeflex Capital
California
$3.26M +$419K +4,213 +15%
Capstone Investment Advisors
123
Capstone Investment Advisors
New York
$3.14M -$90.3K -909 -3%
OCBCO
124
Oversea-Chinese Banking Corp (OCBC)
Singapore
$3.13M -$37.2K -374 -1%
EEL
125
Expect Equity LLC
Maryland
$3.13M +$187K +1,880 +6%
3 4
5
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