MF
MRTN icon

Magnetar Financial’s Marten Transport MRTN Stock Holding History

Magnetar Financial’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
-13,270
Closed -$174K – 1364
2026
Q1 		$174K Buy
+13,270
New +$170K ﹤0.01% 917
2020
Q2 		– Sell
-38,642
Closed -$529K – 533
2020
Q1 		$529K Buy
+38,642
New +$533K 0.01% 272
2018
Q4 		– Sell
-19,601
Closed -$275K – 425
2018
Q3 		$275K Buy
+19,601
New +$292K 0.01% 359

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

Magnetar Financial's MRTN Position: Q2 2026 in Review

Magnetar Financial sold out of Marten Transport (MRTN) in Q2 2026, closing a stake of 13,270 shares — an estimated $174K sold.

Magnetar Financial first reported a position in MRTN in Q3 2018 and held it in 3 quarters. The position peaked at $529K in Q1 2020. 230 funds tracked by Wall St. Rank hold MRTN as of Q2 2026.

  • Magnetar Financial reported no remaining Marten Transport position as of Q2 2026 after selling out during the quarter.
  • Magnetar Financial sold 13,270 Marten Transport shares in Q2 2026, an estimated $174K.
  • Magnetar Financial first reported a position in Marten Transport in Q3 2018 and held it in 3 quarters.
  • Magnetar Financial's Marten Transport position peaked at $529K in Q1 2020.
  • 230 funds tracked by Wall St. Rank held Marten Transport as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.