Who owns M-tron Industries, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of MPTI from SEC Form 13F filings across 119 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.
As of the 2026-06-30 reporting period, 119 institutions disclosed 2.9M shares of M-tron Industries, Inc. worth $288.2M — about 71.1% of shares outstanding; the largest disclosed holder is T. Rowe Price Investment Management, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
119
13F holders
$288.2M
value, 2026 filers
71.1%
of shares outstanding (2.9M sh)
36
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 | T. Rowe Price Investment Management, Inc.NEW | 255,506 | $25.3M | 0.0% | 6.3% | new |
| 2 | BlackRock, Inc. | 252,972 | $25.1M | 0.0% | 6.2% | +78.5% |
| 3 | GAMCO INVESTORS, INC. ET AL | 201,280 | $20.0M | 0.2% | 5% | +19.5% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 173,148 | $17.2M | 0.0% | 4.3% | +48.3% |
| 5 | ROYCE & ASSOCIATES LP | 156,595 | $15.5M | 0.1% | 3.9% | +1781.2% |
| 6 | TWO SIGMA INVESTMENTS, LP | 132,465 | $13.1M | 0.0% | 3.3% | +112.1% |
| 7 | NEXT CENTURY GROWTH INVESTORS LLC | 124,173 | $12.3M | 0.7% | 3.1% | +14.7% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 100,646 | $10.0M | 0.0% | 2.5% | +57.4% |
| 9 | RENAISSANCE TECHNOLOGIES LLC | 96,005 | $9.5M | 0.0% | 2.4% | -0.8% |
| 10 | STATE STREET CORP | 82,493 | $8.2M | 0.0% | 2% | +86.3% |
| 11 | Palisades Investment Partners, LLC | 82,296 | $8.2M | 2.3% | 2% | +1.6% |
| 12 | CONGRUENCE CAPITAL, LLC | 66,701 | $6.6M | 1.7% | 1.6% | +57.8% |
| 13 | ADVISORY RESEARCH INC | 59,011 | $5.9M | 0.6% | 1.5% | +16.8% |
| 14 | HERALD INVESTMENT MANAGEMENT Ltd | 58,500 | $5.8M | 0.8% | 1.4% | +6.4% |
| 15 | Grandeur Peak Global Advisors, LLC | 56,681 | $5.6M | 1.3% | 1.4% | +11.5% |
| 16 | D. E. Shaw & Co., Inc. | 48,493 | $4.8M | 0.0% | 1.2% | +795.4% |
| 17 | DIMENSIONAL FUND ADVISORS LP | 47,681 | $4.7M | 0.0% | 1.2% | +6.0% |
| 18 | HUNTER ASSOCIATES INVESTMENT MANAGEMENT LLCNEW | 46,804 | $4.6M | 0.5% | 1.2% | new |
| 19 | BARD ASSOCIATES INC | 44,578 | $4.4M | 1.0% | 1.1% | -47.9% |
| 20 | Aristides Capital LLC | 41,209 | $4.1M | 0.8% | 1% | -37.3% |
| 21 | NORTHERN TRUST CORP | 39,832 | $3.9M | 0.0% | 1% | +40.1% |
| 22 | Potrero Capital Research LLC | 38,161 | $3.8M | 2.1% | 0.9% | +20.0% |
| 23 | NEW YORK STATE COMMON RETIREMENT FUND | 31,660 | $3.1M | 0.0% | 0.8% | 0.0% |
| 24 | VANGUARD PORTFOLIO MANAGEMENT LLC | 30,954 | $3.1M | 0.0% | 0.8% | +56.3% |
| 25 | BNP PARIBAS FINANCIAL MARKETS | 30,583 | $3.0M | 0.0% | 0.8% | +36.4% |
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.