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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 %
SCM
26
Shapiro Capital Management
Georgia
$44.4M +$7.32M +91,370 +20%
CCM
27
Channing Capital Management
Illinois
$44.3M +$44.3M +552,960 New
Millennium Management
28
Millennium Management
New York
$43.7M +$24.9M +310,314 +132%
Manulife (Manufacturers Life Insurance)
29
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$43.6M +$4.16M +51,924 +11%
Rafferty Asset Management
30
Rafferty Asset Management
New York
$43.1M -$3.13M -39,097 -7%
Royal Bank of Canada
31
Royal Bank of Canada
Ontario, Canada
$42.1M +$9.26M +115,496 +28%
Balyasny Asset Management
32
Balyasny Asset Management
Illinois
$39.6M +$31.6M +394,775 +396%
JPMorgan Chase & Co
33
JPMorgan Chase & Co
New York
$36.4M +$148K +1,851 +0.4%
Nomura Holdings
34
Nomura Holdings
Japan
$32.1M -$1.53M -19,113 -5%
Wells Fargo
35
Wells Fargo
California
$32M +$1.95M +24,300 +6%
D.E. Shaw & Co
36
D.E. Shaw & Co
New York
$31.4M +$2M +24,944 +7%
Capital Research Global Investors
37
Capital Research Global Investors
California
$31M – – –
Citigroup
38
Citigroup
New York
$30.9M -$7.83M -97,643 -20%
PCM
39
Polaris Capital Management
Massachusetts
$29.9M +$1.7M +21,200 +6%
FCM
40
Frontier Capital Management
Massachusetts
$29.7M +$550K +6,858 +2%
Point72 Asset Management
41
Point72 Asset Management
Connecticut
$28.8M +$3.07M +38,344 +12%
BGC
42
Blue Grotto Capital
Georgia
$28.5M +$21.6M +269,227 +313%
VHMC
43
Value Holdings Management Company
New York
$23.9M – – –
MMA
44
Mizuho Markets Americas
New York
$22.7M -$86.6K -1,080 -0.4%
Loomis, Sayles & Company
45
Loomis, Sayles & Company
Massachusetts
$22.7M -$399K -4,982 -2%
UBS AM
46
UBS AM
Illinois
$21.4M +$735K +9,170 +4%
Natixis Advisors
47
Natixis Advisors
Massachusetts
$21.2M -$1.53M -19,119 -7%
Raymond James Financial
48
Raymond James Financial
Florida
$21M -$693K -8,651 -3%
HP
49
Harvey Partners
New York
$20.9M +$5.73M +71,500 +38%
SAM
50
Silvercrest Asset Management
New York
$20.8M -$40.6K -506 -0.2%
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