Marten TransportMRTN
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 230 institutions reported holding Marten Transport Ltd. (MRTN) in their 13F filings, up 5 from Q1 2026. 37 opened new positions and 31 sold out. The largest holders were BlackRock, Inc. ($174.5M), Dimensional Fund Advisors LP ($86.7M) and American Century Companies Inc. ($48.6M). 3 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Marten Transport Ltd.
- CUSIP
- 573075108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 37 | $64.3M |
| Exits | 31 | $15.1M |
All 13F filers, Q1 2026 → Q2 2026: 11,528,036 shares bought and 8,536,733 shares sold, net +2,991,303 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 230 holders
| BlackRock, Inc. | 0.00% | Add +3.1% | 10,058,930 | $174.5M |
| Dimensional Fund Advisors LP | 0.02% | Add +2.2% | 4,999,156 | $86.7M |
| American Century Companies Inc. | 0.02% | Add +6.9% | 2,800,863 | $48.6M |
| State Street Corp. | 0.00% | Add +4.8% | 2,723,602 | $47.3M |
| FMR LLC | 0.00% | Add +52.8% | 2,702,378 | $46.9M |
| Vanguard Capital Management LLC | 0.00% | Add +1.1% | 2,524,859 | $43.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +238.9% | 2,101,794 | $36.5M |
| Nuveen, LLC | 0.01% | Add +198.6% | 1,945,243 | $33.7M |
| Two Sigma Investments, LP | 0.02% | Add +28.1% | 1,830,565 | $31.8M |
| Geode Capital Management, LLC | 0.00% | Add +5.9% | 1,554,058 | $27.0M |
| Cramer Rosenthal McGlynn LLC | 1.34% | New | 1,523,757 | $26.4M |
| Royce & Associates LP | 0.19% | Add +42.3% | 1,394,890 | $24.2M |
| Morgan Stanley | 0.00% | Add +4.5% | 1,353,069 | $23.5M |
| Vanguard Portfolio Management LLC | 0.00% | Add +9.4% | 1,218,980 | $21.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -6.0% | 1,198,050 | $20.8M |
| Ameriprise Financial Inc. | 0.00% | Add +11.5% | 1,081,606 | $18.8M |
| Boston Partners | 0.02% | Reduce -38.3% | 1,049,147 | $18.2M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -15.9% | 922,443 | $16.0M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +35.9% | 919,740 | $16.0M |
| Bessemer Group Inc. | 0.02% | Add +507759.9% | 873,519 | $15.2M |
| London Co. of Virginia | 0.08% | Reduce -4.0% | 853,969 | $14.8M |
| 12th Street Asset Management Company, LLC | 1.88% | New | 758,634 | $13.2M |
| Deprince Race & Zollo Inc. | 0.22% | Reduce -3.3% | 742,362 | $12.9M |
| Citadel Advisors | 0.01% | Add +7.9% | 722,251 | $12.5M |
| Next Century Growth Investors LLC | 0.64% | Add +67.2% | 699,305 | $12.1M |
| Northern Trust Corp. | 0.00% | Add +6.6% | 667,681 | $11.6M |
| JPMorgan Chase & Co. | 0.00% | Reduce -21.4% | 604,366 | $10.6M |
| Nuance Investments, LLC | 1.61% | Reduce -88.6% | 546,871 | $9.5M |
| Bank of America Corp. | 0.00% | Reduce -12.8% | 486,041 | $8.4M |
| Creative Planning | 0.00% | Add +5.2% | 419,369 | $7.3M |
| AQR Capital Management | 0.00% | Add +14.3% | 395,125 | $6.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +1.2% | 384,638 | $6.7M |
| Norges Bank | 0.00% | — | 379,000 | $6.6M |
| Teacher Retirement System of Texas | 0.02% | Reduce -33.6% | 363,027 | $6.3M |
| Heartland Advisors Inc. | 0.27% | No change | 350,000 | $6.1M |
| Bank of New York Mellon Corp | 0.00% | Add +2.5% | 329,668 | $5.7M |
| Invesco Ltd. | 0.00% | Reduce -10.3% | 323,199 | $5.6M |
| Nicholas Company, Inc. | 0.10% | Reduce -20.6% | 315,135 | $5.5M |
| Mackenzie Financial Corp. | 0.01% | New | 313,098 | $5.4M |
| Principal Financial Group Inc. | 0.00% | Reduce -0.5% | 279,992 | $4.9M |
| Stanley-Laman Group, Ltd. | 0.48% | Reduce -0.7% | 270,445 | $4.7M |
| Buckland Partners Management Co LLC | 2.27% | No change | 267,594 | $4.6M |
| Polar Asset Management Partners Inc. | 0.11% | New | 255,800 | $4.4M |
| UBS Group AG | 0.00% | Add +107.9% | 250,880 | $4.4M |
| Allianz Asset Management GmbH | 0.00% | Add +10.1% | 241,291 | $4.2M |
| Aptus Capital Advisors, LLC | 0.03% | New | 204,337 | $3.5M |
| US Bancorp \de | 0.00% | Reduce -25.4% | 200,518 | $3.5M |
| Public Sector Pension Investment Board | 0.01% | Reduce -4.1% | 198,609 | $3.4M |
| Rhumbline Advisers | 0.00% | Reduce -10.8% | 146,904 | $2.5M |
| Legal & General Group Plc | 0.00% | Reduce -2.1% | 132,866 | $2.3M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +279.7% | 125,451 | $2.2M |
| Verition Fund Management LLC | 0.02% | Reduce -20.8% | 123,943 | $2.2M |
| Campbell & CO Investment Adviser LLC | 0.11% | Add +671.4% | 121,003 | $2.1M |
| Sei Investments Co. | 0.00% | Reduce -45.3% | 120,557 | $2.1M |
| Swiss National Bank | 0.00% | Reduce -5.1% | 114,475 | $2.0M |
| CastleKnight Management LP | 0.07% | No change | 108,400 | $1.9M |
| Mariner, LLC | 0.00% | Reduce -62.4% | 107,420 | $1.9M |
| Hudson Bay Capital Management LP | 0.01% | Reduce -47.4% | 106,780 | $1.9M |
| WINTON GROUP Ltd | 0.05% | Reduce -17.5% | 92,430 | $1.6M |
| Fulcrum Asset Management LLP | 0.15% | New | 85,530 | $1.5M |
| Citigroup Inc. | 0.00% | Add +45.4% | 79,931 | $1.4M |
| Atria Investments, Inc | 0.01% | New | 77,005 | $1.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -7.2% | 76,867 | $1.3M |
| Confluence Investment Management LLC | 0.02% | Reduce -6.7% | 75,256 | $1.3M |
| Quantinno Capital Management LP | 0.00% | Add +22.2% | 75,197 | $1.3M |
| XTX Topco Ltd | 0.02% | Add +149.2% | 73,829 | $1.3M |
| Barclays PLC | 0.00% | Reduce -10.2% | 72,525 | $1.3M |
| Treasurer of the State of North Carolina | 0.00% | New | 70,791 | $1.2M |
| T. Rowe Price Associates Inc. | 0.00% | Add +6.6% | 66,942 | $1.2M |
| Deutsche Bank AG | 0.00% | Add +11.5% | 62,893 | $1.1M |
| Martingale Asset Management L P | 0.03% | Reduce -3.0% | 61,900 | $1.1M |
| Prudential Financial Inc. | 0.00% | Add +1.2% | 60,673 | $1.1M |
| California State Teachers Retirement System | 0.00% | Add +5.7% | 58,980 | $1.0M |
| Ausbil Investment Management Ltd | 0.45% | Reduce -21.9% | 56,438 | $985K |
| Envestnet Asset Management Inc. | 0.00% | Add +78.0% | 56,449 | $979K |
| Millennium Management | 0.00% | New | 55,424 | $962K |
| EntryPoint Capital, LLC | 0.23% | Add +39.3% | 54,331 | $943K |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | Reduce -41.7% | 53,716 | $932K |
| SG Americas Securities, LLC | 0.00% | Reduce -36.5% | 51,234 | $889K |
| Wells Fargo & Company | 0.00% | Add +126.4% | 51,089 | $886K |
| Alliancebernstein L.P. | 0.00% | Reduce -81.9% | 64,783 | $851K |
| PDT Partners, LLC | 0.04% | No change | 47,063 | $817K |
| Horizon Investments, LLC | 0.01% | New | 46,453 | $806K |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -8.2% | 45,504 | $790K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | No change | 44,464 | $771K |
| Mercer Global Advisors Inc. | 0.00% | Add +59.3% | 44,151 | $766K |
| HSBC Holdings PLC | 0.00% | Reduce -44.7% | 43,719 | $761K |
| Gsa Capital Partners LLP | 0.05% | New | 43,805 | $760K |
| Franklin Resources Inc. | 0.00% | Add +24.3% | 43,439 | $754K |
| Vanguard Personalized Indexing Management, LLC | 0.01% | Reduce -4.8% | 40,477 | $702K |
| Inspire Investing, LLC | 0.03% | Reduce -1.2% | 39,035 | $677K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -1.6% | 38,039 | $660K |
| BNP Paribas Financial Markets | 0.00% | Add +42.9% | 35,756 | $620K |
| MetLife Investment Management, LLC | 0.00% | Add +21.5% | 34,991 | $607K |
| Simplicity Wealth,LLC | 0.02% | New | 32,657 | $567K |
| Illinois Municipal Retirement Fund | 0.01% | Reduce -10.3% | 30,133 | $523K |
| Dark Forest Capital Management LP | 0.03% | Add +15.1% | 29,300 | $508K |
| Jupiter Topco LLC | 0.00% | — | 28,133 | $489K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -0.1% | 27,323 | $474K |
| Cetera Investment Advisers | 0.00% | Add +8.2% | 27,292 | $474K |
"% of holder's portfolio" is MRTN's weight in each manager's 13F, not the share of Marten Transport Ltd. the manager owns.