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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 %
GS
276
GTS Securities
New York
$201K -$549K -6,847 -73%
CI Investments Inc
277
CI Investments Inc
Ontario, Canada
$170K +$12.9K +161 +8%
Jones Financial Companies
278
Jones Financial Companies
Missouri
$153K +$7.02K +86 +5%
Simplex Trading
279
Simplex Trading
Illinois
$138K +$138K +1,731 New
1IA
280
1620 Investment Advisors
Massachusetts
$115K +$34.5K +431 +43%
SAM
281
Smartleaf Asset Management
Massachusetts
$115K -$3.35K -41 -3%
NAAA
282
New Age Alpha Advisors
New York
$113K -$35.4K -442 -24%
GI
283
GAMMA Investing
California
$95.3K +$4.65K +58 +5%
GWM
284
Geneos Wealth Management
Colorado
$89K +$54.1K +675 +155%
SC
285
SouthState Corp
Florida
$81.1K +$962 +12 +1%
WT
286
Whittier Trust
California
$78.3K – – –
EI
287
eCIO Inc
Wisconsin
$76.9K +$76.9K +960 New
Group One Trading
288
Group One Trading
Illinois
$73.6K +$73.6K +918 New
MCM
289
MAI Capital Management
Ohio
$68.1K -$2K -25 -3%
S
290
SignatureFD
Georgia
$66.4K +$29.3K +366 +79%
BIG
291
Brooklyn Investment Group
New York
$64K +$59K +736 +1,168%
TC
292
Truvestments Capital
Florida
$58.3K -$147K -1,835 -72%
UB
293
UMB Bank
Missouri
$50.2K +$4.33K +54 +9%
PA
294
Parallel Advisors
California
$46.6K +$22K +274 +89%
EWA
295
EverSource Wealth Advisors
Alabama
$41.1K +$23.2K +289 +129%
OIA
296
Optimum Investment Advisors
Illinois
$40.1K +$16K +200 +67%
WSFS
297
Wilmington Savings Fund Society
Delaware
$35K +$401 +5 +1%
Nomura Asset Management
298
Nomura Asset Management
Japan
$32.1K – – –
QL
299
Quarry LP
New York
$30.5K -$32.6K -407 -52%
SSB
300
Sandy Spring Bank
Maryland
$28.7K – – –
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