Marten Transport MRTN
$11.74 −$0.24 (-2.00%)
Market closed · Nov 6, 8:20 pm ET · Last extended-hours $11.74 0.00%
Open$11.90
Prev close$11.98
Day range$11.67 – $12.12
Volume488.3K
Market cap$958.71M
P/E (TTM)73.4
Dividend yield2.04%
Ownership & positioning
Who holds it, who is betting against it, and where the big money is moving
Institutional ownership76.7%-0.76 pts vs. prior quarter
Institutions holding279-1 vs. prior quarter
Insider trades (recent)33 buys / 17 sellsNet buying
Short interest4.05% of floatDays to cover 4.3 · as of 15 Oct 2026
Short-sale volume share21.2%5-day average of daily volume
Short-sale volume as % of daily volume
Large-order net flow, last 20 sessions
Net of large-order buying minus selling, in USD. Over this window: +$99.0K (9 inflow days, 11 outflow days).
Net flow by order size, last 20 sessions
Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.
The five largest holders on file together own 50.1% of shares outstanding.
Largest holders
By investor type
Reported short interest has fallen from 4.31% to 4.05% of float over the last 6 biweekly reports (31 Jul 2026 to 15 Oct 2026).
Recent institutional activity
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| Y-Intercept (Hong Kong) Limited | Mutual Fund | 2026/Q3 | +129,883 | 0.2% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +649,060 | 0.8% |
| Cramer Rosenthal McGlynn LLC | Mutual Fund | 2026/Q3 | +1,523,757 | 1.9% |
| Goldman Sachs Asset Management, L.P. | Mutual Fund | 2026/Q3 | +1,344,869 | 2.0% |
| Teachers Insurance and Annuity Association-College Retirement Equities Fund | Mutual Fund | 2026/Q3 | +976,003 | 2.0% |
| FMR | Mutual Fund | 2026/Q3 | +932,240 | 3.3% |
| Bessemer Investment Management LLC | Mutual Fund | 2026/Q3 | +873,347 | 1.1% |
| 12th Street Asset Management LLC | Mutual Fund | 2026/Q3 | +758,634 | 0.9% |
| Royce & Associates, LP | Mutual Fund | 2026/Q3 | +414,680 | 1.7% |
| Two Sigma Investments, LP | Hedge Fund | 2026/Q3 | +401,084 | 2.2% |
| Norges Bank Investment Management | Sovereign Wealth Fund | 2026/Q3 | +379,000 | 0.5% |
| Nuveen Investments | Mutual Fund | 2026/Q3 | +317,724 | 0.4% |
| Mackenzie Financial Corporation | Mutual Fund | 2026/Q3 | +299,179 | 0.4% |
| BlackRock | Mutual Fund | 2026/Q3 | +298,912 | 12.3% |
| Next Century Growth Investors LLC | Mutual Fund | 2026/Q3 | +280,934 | 0.9% |
Institutional buy/sell activity by reporting period, largest moves first.
Insider transactions
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 29 Jul 2026 | Randolph Marten | Chairperson & CEO | Other Disposition | -1,200 | – | 17,708,083 |
| 4 May 2026 | Randolph Marten | Chairperson & CEO | Other Acquisition | +12,300 | – | 34,817 |
| 4 May 2026 | Robert Demorest | Independent Director | Other Acquisition | +4,100 | – | 58,894 |
| 4 May 2026 | Patricia Jones | Independent Director | Other Acquisition | +4,100 | – | 15,100 |
| 4 May 2026 | Kathleen Iverson | Independent Director | Other Acquisition | +4,100 | – | 22,850 |
| 4 May 2026 | Jerry Bauer | Independent Director | Other Acquisition | +4,100 | – | 185,044 |
| 4 May 2026 | Larry Hagness | Independent Director | Other Acquisition | +4,100 | – | 210,575 |
| 4 May 2026 | Douglas Petit | President | Other Acquisition | +6,423 | – | 40,585 |
| 4 May 2026 | James Hinnendael | Chief Financial Officer | Other Acquisition | +6,766 | – | 18,108 |
| 4 May 2026 | Ronald Booth | Independent Director | Other Acquisition | +4,100 | – | 32,349 |
| 4 May 2026 | Randall Baier | Executive Vice President | Other Acquisition | +4,817 | – | 22,564 |
| 4 May 2026 | Adam Phillips | Chief Operating Officer | Other Acquisition | +4,661 | – | 15,284 |
| 19 Feb 2026 | Randolph Marten | Chairperson & CEO | Sale to Issuer | -4,657 | $13.90 | 17,709,283 |
| 19 Feb 2026 | Douglas Petit | President | Sale to Issuer | -2,299 | $13.90 | 34,162 |
| 19 Feb 2026 | James Hinnendael | Chief Financial Officer | Sale to Issuer | -2,885 | $13.90 | 143,456 |
| 19 Feb 2026 | Randall Baier | Executive Vice President | Sale to Issuer | -1,273 | $13.90 | 17,747 |
| 19 Feb 2026 | Adam Phillips | Chief Operating Officer | Sale to Issuer | -1,131 | $13.90 | 10,623 |
| 23 Dec 2025 | Robert Demorest | Independent Director | Other Disposition | -6,580 | – | 54,794 |
| 18 Aug 2025 | Randolph Marten | Chairperson & CEO | Other Disposition | -1,500 | – | 17,702,957 |
| 5 May 2025 | Randolph Marten | Chairperson & CEO | Other Acquisition | +13,515 | – | 33,500 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
Short interest, by report
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 3,310,180 | 4.1% | 4.3 |
| 30 Sep 2026 | 3,153,388 | 3.9% | 3.3 |
| 15 Sep 2026 | 3,565,604 | 4.4% | 6.7 |
| 31 Aug 2026 | 3,355,280 | 4.1% | 7.8 |
| 14 Aug 2026 | 3,402,397 | 4.2% | 4.9 |
| 31 Jul 2026 | 3,519,434 | 4.3% | 4.9 |
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