Marten Transport MRTN Institutional Ownership

Ownership Summary

Marten Transport Ltd (NASDAQ:MRTN) has 223 institutional investors that have filed 13F reports for the period ending March 2026.

• These investors collectively held 71.0% of Marten Transport's outstanding shares in March 2026, up from 70.3% in December 2025.
• They increased total shares held in MRTN by 16.19% quarter over quarter, and investors in Marten Transport increased 13.2% from a year ago.
• Among the 223 funds, 125 bought more Marten Transport shares, 59 sold down, and 39 held their ground.
• Altogether, these fund groups held 57.88Mn shares in MRTN by March 2026, up by 8.07Mn shares quarter on quarter, and down 2.55Mn shares year over year.
• As of March 31, 2026, BlackRock, Inc. held the largest stake in Marten Transport with 9.76Mn shares, accounting for 11.97% of total shares outstanding.
• Top purchasers of MRTN stock for the quarter ending March 2026 included VANGUARD CAPITAL MANAGEMENT LLC (2.5Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.11Mn), FMR LLC (1.11Mn), Boston Partners (780.25K), ROYCE & ASSOCIATES LP (700.21K).
• The largest sellers of Marten Transport for the quarter ending March 2026 were NUANCE INVESTMENTS, LLC (1.46Mn), Point72 Asset Management, L.P. (232.36K), BALYASNY ASSET MANAGEMENT L.P. (230.72K), Goldman Sachs Group Inc (185.63K), Verition Fund Management LLC (180.08K).
• Per Business Quant data, the top 10 holders of Marten Transport for the quarter ending March 2026 are BlackRock, Inc. (9.76Mn), DIMENSIONAL FUND ADVISORS LP (4.89Mn), NUANCE INVESTMENTS, LLC (4.81Mn), AMERICAN CENTURY COMPANIES INC (2.62Mn), State Street Corp (2.6Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.5Mn), FMR LLC (1.77Mn), Boston Partners (1.7Mn), GEODE CAPITAL MANAGEMENT, LLC (1.47Mn), TWO SIGMA INVESTMENTS, LP (1.43Mn).