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MKS Inc. Common Stock
MKSI

Overview Fund Activity

391 hedge funds and large institutions have $5.65B invested in MKS Inc. Common Stock in 2025 Q1 according to their latest regulatory filings, with 61 funds opening new positions, 166 increasing their positions, 117 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
391
Holders Change
-25
Holders Change %
-6.01%
% of All Funds
5.31%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.04%
New
61
Increased
166
Reduced
117
Closed
79
Calls
$155M
Puts
$16.4M
Net Calls
+$139M
Net Calls Change
-$41.9M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
+$76.8M
2
CCM
Channing Capital Management
Illinois
+$44.3M
3
MAM
Madison Asset Management
Wisconsin
+$39.6M
4
KCM
Kodai Capital Management
Illinois
+$32.9M
5
Balyasny Asset Management
Balyasny Asset Management
Illinois
+$31.6M

Top Sellers

1
Goldman Sachs
Goldman Sachs
New York
-$60.1M
2
CVA
Ceredex Value Advisors
Florida
-$47.3M
3
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$31.4M
4
Fisher Asset Management
Fisher Asset Management
Washington
-$28.4M
5
Nordea Investment Management
Nordea Investment Management
Sweden
-$19.8M
Name Holding Trade Value Shares
Change 		Shares
Change %
RC
126
Roubaix Capital
Colorado
$2.53M -$1.81M -22,614 -42%
Russell Investments Group
127
Russell Investments Group
United Kingdom
$2.48M +$195K +2,437 +9%
AB
128
Amalgamated Bank
New York
$2.47M -$106K -1,318 -4%
Treasurer of the State of North Carolina
129
Treasurer of the State of North Carolina
North Carolina
$2.45M +$96.2K +1,200 +4%
Calamos Advisors
130
Calamos Advisors
Illinois
$2.44M – – –
PFC
131
Phocas Financial Corp
California
$2.42M -$138K -1,725 -5%
AA
132
AQR Arbitrage
Connecticut
$2.38M +$2.38M +30,200 New
EEL
133
Expect Equity LLC
Maryland
$2.37M -$254K -3,170 -10%
Janus Henderson Group
134
Janus Henderson Group
United Kingdom
$2.37M -$163K -2,000 -6%
GC
135
Globeflex Capital
California
$2.3M – – –
Franklin Resources
136
Franklin Resources
California
$2.28M -$407K -5,081 -15%
TPSF
137
Texas Permanent School Fund
Texas
$2.26M +$2.26M +32,262 New
Canada Pension Plan Investment Board
138
Canada Pension Plan Investment Board
Ontario, Canada
$2.23M +$248K +3,100 +13%
Comerica Bank
139
Comerica Bank
Texas
$2.16M +$83.4K +1,041 +4%
HT
140
Headlands Technologies
Illinois
$2.09M +$969K +12,092 +86%
Cetera Investment Advisers
141
Cetera Investment Advisers
Illinois
$2.05M +$173K +2,160 +9%
IMRF
142
Illinois Municipal Retirement Fund
Illinois
$1.97M – – –
CRC
143
Curi RMB Capital
Illinois
$1.96M -$51.1K -638 -3%
PFSRSONJ
144
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.94M +$23.6K +294 +1%
Axa
145
Axa
France
$1.91M -$758K -9,456 -28%
YCM
146
Yousif Capital Management
Michigan
$1.84M -$100K -1,253 -5%
State of New Jersey Common Pension Fund D
147
State of New Jersey Common Pension Fund D
New Jersey
$1.83M -$29.4K -367 -2%
HF
148
HRT Financial
New York
$1.79M +$1.79M +22,384 New
TI
149
Tidal Investments
Wisconsin
$1.71M +$140K +1,743 +9%
HCM
150
Hilton Capital Management
New York
$1.61M +$182K +2,274 +13%
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