MEC

MAYVILLE ENGINEERING CO INC
USCUSIP 578605107
Institutional Owners
4
+1 QoQ
13F Value Held
$16.7M
Insider Net · 180d
-$519K
0↑ 1↓
Recent Filings
1
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)4 adding · 0 trimming
Insider net (180d)−$519K
Price history not yet available for MEC.

Top institutional holders

4 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD CAPITAL MANAGEMENT LLC
$10.7M
594.9KNewQ1 2026
2STATE STREET CORP
$5.1M
285.9KAddedQ1 2026
3CITADEL ADVISORS LLC
$775K
43.2KAddedQ1 2026
4Point72 Asset Management, L.P.
$95K
4.5KNewQ3 2024

Fund activity — latest quarter

Opened (NEW)
2
funds
Added
2
funds
Reduced
0
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$519K
1 insiders
Net
-$519K
1 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jun 1, 2026Reddy Jagadeesh APresident & CEO, DirectorSell (S)17.3K$519K

Institutional ownership over time

3 funds+2 since Q2 2022
023Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $17M

Funds that own MEC also own

CompanyCo-held byCombined value
NVIDIA CORPORATIONNVDA2 funds$176.6B
APPLE INCAAPL2 funds$154.2B
MICROSOFT CORPMSFT2 funds$114.5B
AMAZON COM INCAMZN2 funds$83.0B
ALPHABET INCGOOGL2 funds$65.9B
BROADCOM INCAVGO2 funds$60.2B
ALPHABET INCGOOG2 funds$54.0B
META PLATFORMS INCMETA2 funds$51.7B
TESLA INCTSLA2 funds$43.4B
JPMORGAN CHASE & COJPM2 funds$37.3B
EXXON MOBIL CORPXOM2 funds$36.5B
BERKSHIRE HATHAWAY INC DELBRK/B2 funds$36.1B

Ranked by how many of MEC's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

1 shown

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MEC. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.