MAYVILLE ENGR CO INC

$MEC
13F holders
118
Net 13F flow · Q
Insider buys · 90d
0
Insider net · 90d
Congress · 90d
0
Convergence

Institutional holders

Top 10 of 118 · Source: 13F-HR
01
Strategic Planning Group, LLC
02
Key Colony Management, LLC
03
Investors Asset Management of Georgia Inc.
04
Helikon Investments Ltd
05
Aristotle Capital Management, LLC
06
Fairhaven Wealth Management, LLC
07
Spectrum Asset Management, Inc.
08
Generation Investment Management LLP
09
Cantor Fitzgerald, L. P.
10
Evergreen Capital Management LLC

Each fund name links to that filer's expert page. Share counts and per-fund weights are pending the 13F ingest fix (portfolios_expertholding.units is currently mis-populated — see the same caveat on the fund detail page's holdings table). Quarter-over-quarter delta ships with the metrics pipeline.

See all 118 13F holders · Pro →

Smart Money · top-200 alpha cohort

5 holders · Q1 2026

$MEC is held by 5 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.01%, with an average of 0.01% of portfolio. Largest holder: Johnson Financial Group, Inc. at 0.01%. 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.

Insider activity · last 90 days

9 transactions · 5 filers
11 Dec 2025
Fisher Steven L
▼ SOLD
5,000
$19.14
S
11 Dec 2025
Fisher Steven L
▼ SOLD
5,000
$19.08
S
25 Nov 2025
Raber Ryan F
▼ SOLD
2,500
$16.63
S
25 Nov 2025
Raber Ryan F
▼ SOLD
12,500
$16.69
S
11 Aug 2025
Leuba Sean P
▲ BOUGHT
500
$13.56
P
08 Aug 2025
Lehr Rachele Marie
▲ BOUGHT
1,400
$14.08
P
07 Aug 2025
Reddy Jagadeesh A
▲ BOUGHT
7,500
$14.06
P
12 Mar 2025
Reddy Jagadeesh A
▲ BOUGHT
380
$13.75
P
06 Mar 2025
Leuba Sean P
▲ BOUGHT
1,000
$14.18
P

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 $MEC in the recent window.

Convergence · Pattern Engine ships in v1.1

30-day window
In development

Convergence detection for $MEC lands with the Pattern Engine.

Once the Pattern Engine ships, this section will surface every active convergence event involving $MEC — the institutional managers and Congress members on the same name, the 30-day window, and the combined position size.

Source data: SEC EDGAR · 13F-HR · Form 4 · CapitolTrades · Last refreshed 09:52 UTC.