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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 %
Susquehanna International Group
76
Susquehanna International Group
Pennsylvania
$8.44M +$6.93M +86,432 +459%
Legal & General Group
77
Legal & General Group
United Kingdom
$8.43M +$43.1K +538 +0.5%
Jane Street
78
Jane Street
New York
$8.26M -$6.29M -78,492 -43%
SBH
79
Segall Bryant & Hamill
Illinois
$7.44M +$214K +2,665 +3%
AllianceBernstein
80
AllianceBernstein
Tennessee
$6.99M -$106K -1,321 -1%
First Eagle Investment Management
81
First Eagle Investment Management
New York
$6.94M -$3.82M -47,629 -35%
Federated Hermes
82
Federated Hermes
Pennsylvania
$6.71M +$4.29M +53,525 +177%
Stifel Financial
83
Stifel Financial
Missouri
$6.67M +$1.7M +21,156 +34%
HAM
84
Harber Asset Management
North Carolina
$6.58M +$6.58M +82,140 New
Lazard Asset Management
85
Lazard Asset Management
New York
$6.54M +$1.61M +20,146 +33%
JG
86
Jain Global
New York
$6.46M +$4.85M +60,556 +303%
Macquarie Group
87
Macquarie Group
Australia
$6.15M +$1.23M +15,403 +25%
CF
88
Corebridge Financial
Texas
$5.96M -$146K -1,818 -2%
LWIC
89
Leith Wheeler Investment Counsel
British Columbia, Canada
$5.86M +$71.4K +891 +1%
AQR Capital Management
90
AQR Capital Management
Connecticut
$5.53M +$899K +11,403 +19%
Prudential Financial
91
Prudential Financial
New Jersey
$5.48M -$985K -9,360 -15%
TI
92
Trexquant Investment
Connecticut
$5.29M +$4.13M +51,541 +357%
New York State Teachers Retirement System (NYSTRS)
93
New York State Teachers Retirement System (NYSTRS)
New York
$5.24M +$8.02K +100 +0.2%
Amundi
94
Amundi
France
$5.11M -$12.8M -199,458 -72%
Walleye Capital
95
Walleye Capital
New York
$5.1M -$3.93M -49,036 -44%
SC
96
Sculptor Capital
New York
$5.07M +$5.07M +63,300 New
RAM
97
Readystate Asset Management
Illinois
$5.06M +$1.81M +22,541 +55%
California State Teachers Retirement System (CalSTRS)
98
California State Teachers Retirement System (CalSTRS)
California
$4.99M -$57K -711 -1%
Ohio Public Employees Retirement System (OPERS)
99
Ohio Public Employees Retirement System (OPERS)
Ohio
$4.92M +$1.75M +21,883 +55%
NIG
100
NFJ Investment Group
Texas
$4.82M +$3.73M +46,575 +345%
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4
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