WEBER CAPITAL MANAGEMENT LLC /ADV MG — MISTRAS GROUP INC

Ownership history in WEBER CAPITAL MANAGEMENT LLC /ADV  ·  4 quarters on record

AI Ownership Summary

WEBER CAPITAL MANAGEMENT LLC /ADV reported MISTRAS GROUP INC (MG) in 4 quarterly 13F filings from 2025 Q4 through 2026 Q3. Peak portfolio weight reached 26.11% in 2026 Q3. The latest visible filing shows MG at 26.11% 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.

What this MG ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was WEBER CAPITAL MANAGEMENT LLC /ADV's position in MISTRAS GROUP INC, 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
2026 Q3

MG was reported at 26.11% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
26.11% in 2026 Q3

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

Time in book
Holding Window
2025 Q4 to 2026 Q3

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.

MG stock page WEBER CAPITAL MANAGEMENT LLC /ADV fund profile WEBER CAPITAL MANAGEMENT LLC /ADV full holdings
How WEBER CAPITAL MANAGEMENT LLC /ADV held MG — position size vs. price
% of Fund (quarterly)    MG price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 4 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q3 REDUCED — — — 1,360,146 -88,008 -6.1% 26.11% $28.6M 2026-10-19 $21.44
2026 Q2 REDUCED — — — 1,448,154 -8,815 -0.6% 21.53% $25.3M 2026-08-13 $18.34
2026 Q1 REDUCED — — — 1,456,969 -25,133 -1.7% 21.51% $21.5M 2026-04-23 $18.85
2025 Q4 INITIATED — — — 1,482,102 — — 17.70% $18.7M 2026-01-29 $14.12

🏢 Other funds also holding MG

As of 2026 Q3 — sorted by position size

Versor Investments LP 3Y 7Y 1.28% ESSEX INVESTMENT MANAGEMENT CO LLC 3Y 7Y 0.78% Values First Advisors, Inc. 3Y 0.34% ROYCE & ASSOCIATES LP 3Y 7Y 0.28% Ellsworth Advisors, LLC 3Y 0.15% Knights of Columbus Asset Advisors LLC 3Y 7Y 0.15% WASATCH ADVISORS LP 3Y 7Y 0.06% RITHOLTZ WEALTH MANAGEMENT 3Y 7Y 0.03% State of Wyoming 3Y 0.02% SEIZERT CAPITAL PARTNERS, LLC 3Y 7Y 0.02%

FAQ About WEBER CAPITAL MANAGEMENT LLC /ADV and MG

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

How long has WEBER CAPITAL MANAGEMENT LLC /ADV reported owning MG?

WEBER CAPITAL MANAGEMENT LLC /ADV reported MG across 4 quarterly 13F filings, from 2025 Q4 through 2026 Q3.

What was the largest reported MG position in WEBER CAPITAL MANAGEMENT LLC /ADV's portfolio?

The largest reported portfolio weight for MG was 26.11% in 2026 Q3.

What is the latest reported MG position on this page?

The most recent filing on this page is 2026 Q3, when WEBER CAPITAL MANAGEMENT LLC /ADV reported 1,360,146 shares, equal to 26.11% of portfolio, with an estimated market value of $28.6M.

What does the chart on this MG ownership page compare?

The chart compares WEBER CAPITAL MANAGEMENT LLC /ADV's quarterly MG 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 WEBER CAPITAL MANAGEMENT LLC /ADV time their MG position?

Based on 13F filing dates vs. subsequent MG price moves, WEBER CAPITAL MANAGEMENT LLC /ADV correctly timed 2 out of 3 reported position changes (67%). The annualised alpha on MG relative to SPY over the holding period was +18626.8%.

← Back to WEBER CAPITAL MANAGEMENT LLC /ADV Holdings