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MKS Inc

615 hedge funds and large institutions have $15.8B invested in MKS Inc in 2026 Q1 according to their latest regulatory filings, with 162 funds opening new positions, 202 increasing their positions, 191 reducing their positions, and 52 closing their positions.

New
Increased
Maintained
Reduced
Closed

881% more call options, than puts

Call options by funds: $496M | Put options by funds: $50.6M

212% more first-time investments, than exits

New positions opened: 162 | Existing positions closed: 52

85% more funds holding in top 10

Funds holding in top 10: 1324 (+11)

40% more capital invested

Capital invested by funds: $11.3B → $15.8B (+$4.5B)

20% more funds holding

Funds holding: 513615 (+102)

6% more repeat investments, than reductions

Existing positions increased: 202 | Existing positions reduced: 191

2.72% less ownership

Funds ownership: 105.2%102.47% (-2.7%)

Holders
615
Holders Change
+102
Holders Change %
+19.88%
% of All Funds
7.58%
Holding in Top 10
24
Holding in Top 10 Change
+11
Holding in Top 10 Change %
+84.62%
% of All Funds
0.3%
New
162
Increased
202
Reduced
191
Closed
52
Calls
$496M
Puts
$50.6M
Net Calls
+$445M
Net Calls Change
+$177M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$1.53B +$114M +502,891 +8%
Invesco
2
Invesco
Georgia
$855M -$30.3M -134,052 -3%
VPM
3
Vanguard Portfolio Management
Pennsylvania
$847M +$833M +3,685,493 New
VCM
4
Vanguard Capital Management
Pennsylvania
$693M +$682M +3,014,201 New
State Street
5
State Street
Massachusetts
$473M +$9.08M +40,142 +2%
Capital International Investors
6
Capital International Investors
California
$452M -$287M -1,270,460 -39%
Fidelity Investments
7
Fidelity Investments
Massachusetts
$444M -$286M -1,264,492 -40%
JP Morgan Chase
8
JP Morgan Chase
New York
$441M +$123M +544,899 +35%
Wellington Management Group
9
Wellington Management Group
Massachusetts
$421M -$163M -718,884 -28%
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$391M -$238M -1,053,702 -38%
Point72 Asset Management
11
Point72 Asset Management
Connecticut
$370M +$223M +984,532 +157%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$354M +$64.5M +285,270 +23%
AMH
13
Aspex Management (HK)
Hong Kong
$354M +$348M +1,538,789 New
Neuberger Berman Group
14
Neuberger Berman Group
New York
$329M -$6.25M -27,660 -2%
WRCM
15
Whale Rock Capital Management
Massachusetts
$300M +$295M +1,306,724 New
Capital World Investors
16
Capital World Investors
California
$294M +$289M +1,277,200 New
Westfield Capital Management
17
Westfield Capital Management
Massachusetts
$241M +$46.8M +206,990 +25%
Citadel Advisors
18
Citadel Advisors
Florida
$218M +$111M +489,159 +107%
Millennium Management
19
Millennium Management
New York
$206M +$17.4M +77,118 +9%
Victory Capital Management
20
Victory Capital Management
Texas
$202M -$381M -1,683,641 -66%
Charles Schwab
21
Charles Schwab
California
$199M -$906K -4,007 -0.5%
Dimensional Fund Advisors
22
Dimensional Fund Advisors
Texas
$192M -$63.8M -282,142 -25%
Bank of New York Mellon
23
Bank of New York Mellon
New York
$191M +$9.84M +43,502 +6%
Principal Financial Group
24
Principal Financial Group
Iowa
$141M -$34.2M -151,365 -20%
AQR Capital Management
25
AQR Capital Management
Connecticut
$137M +$94.9M +419,835 +213%