MKS INC

$MKSI
Smart money positioned

28 of the Top-200 alpha managers hold $MKSI as of the latest 13F snapshot.

13F holders
15
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

28 holders · Q1 2026

$MKSI is held by 28 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 9.93%, with an average of 0.76% of portfolio. Largest holder: Blue Grotto Capital, LLC at 9.93%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 15 · Source: 13F-HR
01
Vanguard Group Inc.
0.02% of portfolio
7,487,305 sh
02
State Street
0.03% of portfolio
2,134,663 sh
03
Citadel
0.18% of portfolio
697,670 sh
04
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.02% of portfolio
207,760 sh
05
Two Sigma
0.05% of portfolio
143,365 sh
06
Aequim Alternative Investments LP
6.62% of portfolio
90,719 sh
07
Hel Ved Capital Management Ltd
2.79% of portfolio
42,620 sh
08
Renaissance Technologies
0.02% of portfolio
40,403 sh
09
Citigroup Inc.
0.01% of portfolio
39,408 sh
10
Bridgewater Associates
0.05% of portfolio
27,198 sh
See all 15 13F holders · Pro →

Insider activity · last 90 days

50 transactions · 16 filers
02 Sep 2026
Unknown
▼ SOLD
S
18 Aug 2026
Unknown
· GRANT
A
17 Aug 2026
Unknown
▼ SOLD
S
04 Aug 2026
Unknown
▼ SOLD
S
12 Jun 2026
Schreiner James Alan
▼ SOLD
217
$347.00
S
12 Jun 2026
Schreiner James Alan
▼ SOLD
812
$346.40
S
12 Jun 2026
Schreiner James Alan
▼ SOLD
2,471
$345.52
S
10 Jun 2026
Schreiner James Alan
▼ SOLD
781
$317.42
S
05 Jun 2026
McCarthy Michelle M
▼ SOLD
2,434
$315.23
S
01 Jun 2026
Henry David Philip
▼ SOLD
6,000
$314.43
S
01 Jun 2026
Mora Elizabeth
▼ SOLD
300
$318.02
S
27 May 2026
Colella Gerard G
▼ SOLD
2,800
$338.58
S

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $MKSI in the recent window.

Convergence · $MKSI

Pattern cards reflect public SEC EDGAR and Congressional filing data only. Detection uses filing dates; trade execution dates may differ. Past convergence patterns do not predict future returns. Nothing here is investment advice.

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 16:47 UTC.