Who owns M-tron Industries, Inc.?
Institutional ownership of MPTI from SEC Form 13F filings across 84 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
84
13F holders
$131.3M
value, 2026 filers
38.1%
of shares outstanding (1.4M sh)
28
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of MPTI's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 252,972 | $25.1M | 0.0% | 7.1% | +78.5% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 173,148 | $17.2M | 0.0% | 4.9% | -25.9% |
| 3 | TWO SIGMA INVESTMENTS, LP | 132,465 | $13.1M | 0.0% | 3.7% | +112.1% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 100,646 | $10.0M | 0.0% | 2.8% | +57.4% |
| 5 | Verition Fund Management LLCNEW | 50,000 | $5.0M | 0.0% | 1.4% | new |
| 6 | D. E. Shaw & Co., Inc. | 48,493 | $4.8M | 0.0% | 1.4% | +795.4% |
| 7 | NORTHERN TRUST CORP | 39,832 | $3.9M | 0.0% | 1.1% | +40.1% |
| 8 | Potrero Capital Research LLC | 38,161 | $3.8M | 2.1% | 1.1% | +20.0% |
| 9 | NEW YORK STATE COMMON RETIREMENT FUND | 31,660 | $3.1M | 0.0% | 0.9% | 0.0% |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | 30,954 | $3.1M | 0.0% | 0.9% | +56.3% |
| 11 | BNP PARIBAS FINANCIAL MARKETS | 30,583 | $3.0M | 0.0% | 0.9% | +36.4% |
| 12 | VANGUARD FIDUCIARY TRUST CO | 27,180 | $2.7M | 0.0% | 0.8% | +25.9% |
| 13 | UBS Group AG | 24,493 | $2.4M | 0.0% | 0.7% | +14.9% |
| 14 | MORGAN STANLEY | 21,358 | $2.1M | 0.0% | 0.6% | +24.8% |
| 15 | Invesco Ltd.NEW | 18,958 | $1.9M | 0.0% | 0.5% | new |
| 16 | GOLDMAN SACHS GROUP INC | 18,769 | $1.9M | 0.0% | 0.5% | +269.0% |
| 17 | ACADIAN ASSET MANAGEMENT LLC | 17,258 | $1,709 | 0.0% | 0.5% | +680.9% |
| 18 | Bank of New York Mellon Corp | 17,143 | $1.7M | 0.0% | 0.5% | +54.8% |
| 19 | AMERIPRISE FINANCIAL INC | 17,098 | $1.7M | 0.0% | 0.5% | -15.1% |
| 20 | Nuveen, LLC | 16,715 | $1.7M | 0.0% | 0.5% | +65.9% |
| 21 | Russell Investments Group, Ltd. | 14,667 | $1.5M | 0.0% | 0.4% | +2.6% |
| 22 | ExodusPoint Capital Management, LP | 14,110 | $1.4M | 0.0% | 0.4% | -35.5% |
| 23 | OSAIC HOLDINGS, INC. | 13,104 | $1.3M | 0.0% | 0.4% | +418.6% |
| 24 | Sixth Street Partners Management Company, L.P.NEW | 12,807 | $1.3M | 0.2% | 0.4% | new |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 12,807 | $1.3M | 0.0% | 0.4% | +47.9% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.