PERRITT CAPITAL MANAGEMENT INC MEC MAYVILLE ENGR CO INC COM

Ownership history in PERRITT CAPITAL MANAGEMENT INC  ·  17 quarters on record

AI Ownership Summary

PERRITT CAPITAL MANAGEMENT INC reported MAYVILLE ENGR CO INC COM (MEC) in 17 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.94% in 2025 Q4. The latest visible filing shows MEC at 0.94% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this MEC ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was PERRITT CAPITAL MANAGEMENT INC's position in MAYVILLE ENGR CO INC COM, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

MEC was reported at 0.94% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.94% in 2025 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How PERRITT CAPITAL MANAGEMENT INC held MEC — position size vs. price
% of Fund (quarterly)    MEC price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 UNCHANGED 30,000 0% 0.94% $562K 2026-02-14 (Est.) $21.94
2025 Q3 REDUCED 93.7% +43.5% 30,000 -448,800 -93.7% 0.20% $413K 2025-11-17 $15.97
2025 Q2 ADDED 478,800 +448,800 +1496.0% 0.25% $478.8M 2025-08-12 $14.04
2025 Q1 UNCHANGED 30,000 0% 0.22% $403K 2025-05-13 $15.44
2024 Q4 UNCHANGED 30,000 0% 0.25% $472K 2025-02-12 $15.43
2024 Q3 UNCHANGED 30,000 0% 0.33% $632K 2024-11-12 $17.26
2024 Q2 REDUCED 14.3% +26.5% 30,000 -5,000 -14.3% 0.27% $500K 2024-08-07 $18.51
2024 Q1 UNCHANGED 35,000 0% 0.27% $502K 2024-05-15 $15.98
2023 Q4 UNCHANGED 35,000 0% 0.28% $505K 2024-02-14 $12.88
8 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About PERRITT CAPITAL MANAGEMENT INC and MEC

These are the practical questions this page is built to answer before you even open the full history table.

How long has PERRITT CAPITAL MANAGEMENT INC reported owning MEC?

PERRITT CAPITAL MANAGEMENT INC reported MEC across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported MEC position in PERRITT CAPITAL MANAGEMENT INC's portfolio?

The largest reported portfolio weight for MEC was 0.94% in 2025 Q4.

What is the latest reported MEC position on this page?

The most recent filing on this page is 2025 Q4, when PERRITT CAPITAL MANAGEMENT INC reported 30,000 shares, equal to 0.94% of portfolio, with an estimated market value of $562K.

What does the chart on this MEC ownership page compare?

The chart compares PERRITT CAPITAL MANAGEMENT INC's quarterly MEC portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did PERRITT CAPITAL MANAGEMENT INC time their MEC position?

Based on 13F filing dates vs. subsequent MEC price moves, PERRITT CAPITAL MANAGEMENT INC correctly timed 5 out of 9 reported position changes (56%). The annualised alpha on MEC relative to SPY over the holding period was -4.1%.

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