Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MPTI held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | GAMCO INVESTORS, INC. ET AL | 168K | $11.3M | -3.4% | 5.545% | 0.11% |
| 2 | BlackRock, Inc. | 142K | $9.5M | +4.7% | 4.667% | 0.00% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 117K | $7.8M | β | 3.845% | 0.00% |
| 4 | NEXT CENTURY GROWTH INVESTORS LLC | 108K | $7.2M | -1.5% | 3.563% | 0.52% |
| 5 | RENAISSANCE TECHNOLOGIES LLC | 97K | $6.5M | +59.8% | 3.187% | 0.01% |
| 6 | BARD ASSOCIATES INC | 86K | $5.7M | -0.7% | 2.816% | 1.43% |
| 7 | Palisades Investment Partners, LLC | 81K | $5.4M | +21.4% | 2.668% | 2.12% |
| 8 | Archon Capital Management LLC | 78K | $5.2M | -33.8% | 2.576% | 2.95% |
| 9 | NOMURA HOLDINGS INC | 73K | $4.8M | β | 2.388% | 0.02% |
| 10 | Aristides Capital LLC | 66K | $4.4M | +21.5% | 2.162% | 1.45% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 64K | $4.3M | +12.4% | 2.105% | 0.00% |
| 12 | TWO SIGMA INVESTMENTS, LP | 62K | $4.2M | +189.9% | 2.057% | 0.00% |
| 13 | Herald Investment Management Ltd | 55K | $3.7M | -17.9% | 1.811% | 0.51% |
| 14 | MARSHALL WACE, LLP | 52K | $3.4M | +230.8% | 1.699% | 0.00% |
| 15 | Grandeur Peak Global Advisors, LLC | 51K | $3.4M | +15.4% | 1.674% | 0.80% |
| 16 | ADVISORY RESEARCH INC | 51K | $3.4M | +42.0% | 1.664% | 0.42% |
| 17 | DIMENSIONAL FUND ADVISORS LP | 45K | $3.0M | +6.0% | 1.481% | 0.00% |
| 18 | STATE STREET CORP | 44K | $3.0M | +24.0% | 1.458% | 0.00% |
| 19 | Congruence Capital, LLC | 42K | $2.8M | β | 1.391% | 0.95% |
| 20 | Cable Car Capital, LP | 40K | $2.7M | β | 1.317% | 0.92% |
| 21 | Potrero Capital Research LLC | 32K | $2.1M | β | 1.047% | 1.30% |
| 22 | NEW YORK STATE COMMON RETIREMENT FUND | 32K | $2.1M | 0.0% | 1.042% | 0.00% |
| 23 | NORTHERN TRUST CORP | 28K | $1.9M | +10.9% | 0.936% | 0.00% |
| 24 | Illumine Investment Management, LLC | 24K | $1.6M | -2.2% | 0.793% | 1.24% |
| 25 | CITADEL ADVISORS LLC | 23K | $1.5M | +81.5% | 0.749% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MPTI β a direct measure of their conviction.
Filings activity in MPTI during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 93 | +11% | 45.06% | +16.80 pp | $135M | +59% |
| Q4 2025 | 84 | +3.7% | 28.26% | +2.71 pp | $85M | +11% |
| Q3 2025 | 81 | +16% | 25.55% | +7.40 pp | $77M | +41% |
| Q2 2025 | 70 | +23% | 18.15% | +4.15 pp | $54M | +30% |
| Q1 2025 | 57 | 1.7% | 14.00% | 1.82 pp | $42M | 11% |
| Q4 2024 | 58 | +61% | 15.82% | +7.38 pp | $47M | +88% |
| Q3 2024 | 36 | +29% | 8.44% | +1.78 pp | $25M | +27% |
| Q2 2024 | 28 | β | 6.66% | β | $20M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MPTI stock.
Based on Q1 2026 13F filings, institutional ownership of M-tron Industries, Inc. stands at 45.1%, held across 93 reporting institutions.
GAMCO INVESTORS, INC. ET AL is the largest reported institutional holder of MPTI, with approximately 168,400 shares worth $0.01B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of MPTI, including RENAISSANCE TECHNOLOGIES LLC, TWO SIGMA INVESTMENTS, LP, CITADEL ADVISORS LLC.
Our composite Smart Money Score for MPTI is 75 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
22 institutions opened new positions in MPTI during Q1 2026, while 13 fully exited. 66 added to existing positions and 5 trimmed.
MPTI institutional ownership rose by 16.80 percentage points quarter-over-quarter, with a net change of +9 holders.
The top 10 institutions account for 50.3% of all reported 13F value in MPTI, and the top 25 account for 82.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
M-tron Industries, Inc. (MPTI) Institutional Ownership