PCM
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Polymer Capital Management’s Marten Transport MRTN Stock Holding History

Polymer Capital Management’s Portfolio MRTN Stock Details MRTN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-12,607
Closed -$166K – 866
2026
Q1 		$166K Sell
12,607
-17,216
-58% -$221K 0.02% 753
2025
Q4 		$339K Buy
29,823
+12,674
+74% +$134K 0.04% 604
2025
Q3 		$183K Buy
+17,149
New +$209K 0.02% 700

Other funds holding MRTN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Polymer Capital Management's MRTN Position: Q2 2026 in Review

Polymer Capital Management sold out of Marten Transport (MRTN) in Q2 2026, closing a stake of 12,607 shares — an estimated $166K sold.

Polymer Capital Management first reported a position in MRTN in Q3 2025 and held it in 3 quarters. The position peaked at $339K in Q4 2025. 229 funds tracked by Wall St. Rank hold MRTN as of Q2 2026.

  • Polymer Capital Management reported no remaining Marten Transport position as of Q2 2026 after selling out during the quarter.
  • Polymer Capital Management sold 12,607 Marten Transport shares in Q2 2026, an estimated $166K.
  • Polymer Capital Management first reported a position in Marten Transport in Q3 2025 and held it in 3 quarters.
  • Polymer Capital Management's Marten Transport position peaked at $339K in Q4 2025.
  • 229 funds tracked by Wall St. Rank held Marten Transport as of Q2 2026.

Based on Polymer Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.