259 institutions reported holding $1.09B of MARTEN TRANS LTD (MRTN) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($174.5M), DIMENSIONAL FUND ADVISORS LP ($86.7M), VANGUARD GROUP INC ($73.0M), AMERICAN CENTURY COMPANIES INC ($48.6M), STATE STREET CORP ($47.3M). Source: SEC Form 13F.
来源:SEC 13F 申报文件 · 截至 2026-06-30