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Who owns Marten Transport (MRTN) stock

215 funds reported Marten Transport (MRTN) shares in their latest 13F filings, worth $1.1B in all. The largest holder is BlackRock ($175M). Last quarter 101 funds added to their stakes and 95 cut them.

Largest holders of MRTN (13F)Largest holders of MRTN (13F)BlackRock$175MDimensional Fund Advisors LP$86.7MAmerican Century Companies$48.6MState Street$47.3MFMR LLC$46.9MVanguard Group$45.7MVanguard Capital Management LLC$43.8MGoldman Sachs Group$36.5MNuveen, LLC$33.7MTwo Sigma Investments, LP$31.8M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock10,058,930$175Mincrease2026-06-30
Dimensional Fund Advisors LP4,999,156$86.7Mincrease2026-06-30
American Century Companies2,800,863$48.6Mincrease2026-06-30
State Street2,723,602$47.3Mincrease2026-06-30
FMR LLC2,702,378$46.9Mincrease2026-06-30
Vanguard Group4,013,753$45.7Mdecrease2025-12-31
Vanguard Capital Management LLC2,524,859$43.8Mincrease2026-06-30
Goldman Sachs Group2,101,794$36.5Mincrease2026-06-30
Nuveen, LLC1,945,243$33.7Mincrease2026-06-30
Two Sigma Investments, LP1,830,565$31.8Mincrease2026-06-30
Geode Capital Management, LLC1,554,058$27.0Mincrease2026-06-30
Cramer Rosenthal McGlynn LLC1,523,757$26.4Mnew2026-06-30
Royce & Associates LP1,394,890$24.2Mincrease2026-06-30
Morgan Stanley1,353,069$23.5Mincrease2026-06-30
Vanguard Portfolio Management LLC1,218,980$21.1Mincrease2026-06-30

Marten Transport's latest quarter

Marten Transport, Q3 2026: revenue $223M (+1% year over year), operating margin 1.4%, net earnings $2.9M, operating cash flow $22.6M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most MRTN stock?

By the latest 13F filings: BlackRock ($175M); Dimensional Fund Advisors LP ($86.7M); American Century Companies ($48.6M); State Street ($47.3M); FMR LLC ($46.9M).

What is the short interest in MRTN?

3,310,180 shares were sold short at the 2026-10-15 settlement, 4.97% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.