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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 %
Two Sigma Investments
401
Two Sigma Investments
New York
– -$4.41M -42,200 Closed
Allspring Global Investments
402
Allspring Global Investments
North Carolina
– -$4.15M -39,123 Closed
Citadel Advisors
403
Citadel Advisors
Florida
– -$3.87M -37,120 Closed
CSS
404
Cubist Systematic Strategies
Connecticut
– -$3.48M -33,327 Closed
HRCM
405
Hood River Capital Management
Florida
– -$3.43M -32,826 Closed
Man Group
406
Man Group
United Kingdom
– -$3.28M -31,432 Closed
ACM
407
Aquatic Capital Management
Illinois
– -$2.43M -23,283 Closed
VI
408
Vestcor Inc
New Brunswick, Canada
– -$2.14M -20,494 Closed
SSA
409
Schonfeld Strategic Advisors
New York
– -$2.13M -20,411 Closed
N
410
Natixis
France
– -$1.8M -17,204 Closed
Los Angeles Capital Management
411
Los Angeles Capital Management
California
– -$1.78M -17,015 Closed
GT
412
Glenmede Trust
Pennsylvania
– -$1.72M -16,489 Closed
Schroder Investment Management Group
413
Schroder Investment Management Group
United Kingdom
– -$1.48M -14,217 Closed
MMEA
414
Main Management ETF Advisors
California
– -$1.34M -12,816 Closed
HCMT
415
Highland Capital Management (Tennessee)
Tennessee
– -$1.26M -12,055 Closed
MF
416
Magnetar Financial
Illinois
– -$1.01M -9,688 Closed
PAM
417
Peak Asset Management
Colorado
– -$993K -9,514 Closed
GCM
418
Graham Capital Management
Connecticut
– -$951K -9,110 Closed
BCM
419
Bayesian Capital Management
New York
– -$908K -8,700 Closed
I
420
InceptionR
California
– -$869K -8,327 Closed
JCIA
421
Jackson Creek Investment Advisors
Colorado
– -$774K -7,414 Closed
FRM
422
Fox Run Management
Connecticut
– -$751K -7,192 Closed
LCM
423
Landscape Capital Management
New Jersey
– -$721K -6,906 Closed
Arrowstreet Capital
424
Arrowstreet Capital
Massachusetts
– -$684K -6,551 Closed
Squarepoint
425
Squarepoint
New York
– -$613K -5,874 Closed
15 16
17
18 19