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Boston Partners

SEC CIK
0001386060
Latest filing
Aug 4, 2026

MRTN holding history

Marten Transport Ltd in every 13F filed by Boston Partners, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MRTN overviewAll 13F holders of MRTNFull Q2 2026 holdings

Shares (Q2 2026)
1,049,147
Value
$18.2M
% of portfolio
<0.1%
Quarters held
10
Since Q1 2021
Holdings of MRTN by Boston Partners, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,049,147$18.2M<0.1%−650,668−38.3%ReducedHolders
Q1 20261,699,815$22.3M<0.1%+780,253+84.9%AddedHolders
Q4 2025919,562$10.5M<0.1%+919,562NewHolders
Q4 20220$00.0%−21,088−100.0%Sold outHolders
Q3 202221,088$404.0K<0.1%−7,158−25.3%ReducedHolders
Q2 202228,246$475.0K<0.1%+4,200+17.5%AddedHolders
Q1 202224,046$427.0K<0.1%−4,458−15.6%ReducedHolders
Q4 202128,504$489.0K<0.1%−23,211−44.9%ReducedHolders
Q3 202151,715$811.0K<0.1%−8,087−13.5%ReducedHolders
Q2 202159,802$987.0K<0.1%−19,190−24.3%ReducedHolders
Q1 202178,992$1.34M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.