MKS INC

$MKSI
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Smart money positioned

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

13F holders
16
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.

01
Blue Grotto Capital, LLC
9.93% ↑ +3.1pp
α +12.7pts
02
Medina Value Partners, LLC
1.92% NEW
α +36.9pts
03
Hel Ved Capital Management Ltd
1.92% NEW
α +36.9pts
04
Scion Asset Management, LLC Michael Burry
1.79% held
α +12.7pts
05
Oribel Capital Management, LP
1.70% NEW
α +12.0pts

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 16 · Source: 13F-HR
01
Vanguard Group Inc.
0.02% of portfolio
7,487,305 sh
02
State Street
0.02% of portfolio
2,057,732 sh
03
Citadel
0.16% of portfolio
947,032 sh
04
Two Sigma
0.06% of portfolio
278,687 sh
05
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.01% of portfolio
203,920 sh
06
Renaissance Technologies
0.04% of portfolio
103,603 sh
07
Aequim Alternative Investments LP
5.07% of portfolio
84,268 sh
08
Tudor Investment Corp. Et Al
0.10% of portfolio
81,280 sh
09
Hel Ved Capital Management Ltd
2.10% of portfolio
52,765 sh
10
Citigroup Inc.
0.01% of portfolio
39,792 sh
See all 16 13F holders · Pro →

Insider activity · last 90 days

50 transactions · 15 filers
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
27 May 2026
Colella Gerard G —
▼ SOLD
213
$337.05
S
27 May 2026
Colella Gerard G —
▼ SOLD
1,626
$336.54
S
27 May 2026
Colella Gerard G —
▼ SOLD
1,811
$335.45
S
27 May 2026
Colella Gerard G —
▼ SOLD
4,876
$332.04
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 12:24 UTC.