M-tron Industries, Inc.
MPTI- Exchange
- NYSE
- Industry
- Electronic Components, NEC
- SEC CIK
- 0001902314
In the last 90 days, M-tron Industries, Inc. insiders filed 0 open-market purchases and 1 sale; 119 institutions reported holding it in 13F filings for Q2 2026, worth $288.2M in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $103.6K in total
- 1
- 13F holdersQ2 2026, +24 vs. previous quarter
- 119
- 13F valueReported value at the end of Q2 2026
- $288.2M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding MPTI, Q2 2026
No superinvestor reported holding MPTI at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by M-tron Industries, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 19, 2026 (view filing)4:32 PM ET | Aug 11 | 8 daysLate | Biles Linda MExecutive VP - Finance | SSale | +1.22K | $85.05 | +$103.6K | +4.4%28.7K after | |
| May 6, 2026 (view filing) | May 4 | 2 days | Drafts William ArnoldPresident | SSale | −361 | $66.78 | −$24.1K | −2.5%13.8K after | |
| May 6, 2026 (view filing) | May 4 | 2 days | Pforr CameronCEO and CFO | SSale | −840 | $66.78 | −$56.1K | −3.0%26.8K after | |
| May 6, 2026 (view filing) | May 4 | 2 days | Biles Linda MExecutive VP - Finance | SSale | −306 | $66.78 | −$20.4K | −1.1%28.4K after | |
| Apr 29, 2026 (view filing) | Apr 9-14 | 20 days | Biles Linda MExecutive VP - Finance | SSale | +5.47K | $0.00 | $0 | –0 after | AmendedDerivative2 lots |
| Apr 28, 2026 (view filing) | Apr 6-14 | 22 daysLate | Drafts William ArnoldPresident | SSale | −2.35K | $0.00 | $0 | –0 after | Derivative3 lots |
| Apr 24, 2026 (view filing) | Apr 7 | 17 daysLate | Pforr CameronCEO and CFO | SSale | +4.30K | $0.00 | $0 | –0 after | Derivative |
| Apr 7, 2026 (view filing) | Dec 19, 2025 | 109 days | Drafts William ArnoldPresident | SSale | 0 | – | $0 | –6.30K after | AmendedDerivative |
| Dec 19, 2025 (view filing) | Dec 5 | 14 daysLate | Mega John SDirector | SSale | −988 | $0.00 | $0 | –0 after | Derivative |
| Jun 27, 2025 (view filing) | Jun 27 | Same day | Drafts William ArnoldPresident | PPurchaseCommon Stock, par value $0.01 per share | +1.00K | $40.50 | +$40.5K | +10.0%11.0K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in M-tron Industries, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 255,506 | $25.3M | 0.02% | +255,506 | New |
| BlackRock, Inc. | 252,972 | $25.1M | 0.00% | +111,224+78.5% | Added |
| Gamco Investors, Inc. Et Al | 201,280 | $20.0M | 0.18% | +32,880+19.5% | Added |
| Vanguard Capital Management LLC | 173,148 | $17.2M | 0.00% | +56,380+48.3% | Added |
| Royce & Associates LP | 156,595 | $15.5M | 0.13% | +148,271+1,781.2% | Added |
| Two Sigma Investments, LP | 132,465 | $13.1M | 0.01% | +70,002+112.1% | Added |
| Next Century Growth Investors LLC | 124,173 | $12.3M | 0.65% | +15,953+14.7% | Added |
| Geode Capital Management, LLC | 100,646 | $9.98M | 0.00% | +36,715+57.4% | Added |
| Renaissance Technologies LLC | 96,005 | $9.52M | 0.01% | −784−0.8% | Reduced |
| State Street Corp | 82,493 | $8.18M | 0.00% | +38,210+86.3% | Added |