Simplex Trading
MRTN icon

Simplex Trading’s Marten Transport MRTN Stock Holding History

Simplex Trading’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
Q1 		$74.8K Buy
+5,700
New +$73.1K ﹤0.01% 5415
2025
Q4 		– Sell
-600
Closed -$6K – 9499
2025
Q3 		$6K Sell
600
-19,800
-97% -$241K ﹤0.01% 8206
2025
Q2 		$264K Buy
20,400
+7,600
+59% +$100K ﹤0.01% 4214
2025
Q1 		$175K Sell
12,800
-52,900
-81% -$787K ﹤0.01% 4482
2024
Q4 		$1.02M Buy
65,700
+48,300
+278% +$805K ﹤0.01% 2819
2024
Q3 		$307K Buy
17,400
+1,600
+10% +$28.1K ﹤0.01% 4104
2024
Q2 		$291K Buy
+15,800
New +$277K ﹤0.01% 4267
2023
Q4 		– Sell
-10,200
Closed -$201K – 9440
2023
Q3 		$201K Buy
+10,200
New +$216K ﹤0.01% 4346
2023
Q2 		– Sell
-500
Closed -$10K – 9566
2023
Q1 		$10K Buy
+500
New +$10.6K ﹤0.01% 7550
2022
Q4 		– Sell
-6,500
Closed -$124K – 9941
2022
Q3 		$124K Buy
+6,500
New +$130K ﹤0.01% 5233
2020
Q2 		– Sell
-83
Closed -$112K – 8060
2020
Q1 		$112K Buy
+83
New +$1.14K ﹤0.01% 4249
2019
Q1 		– Sell
-53
Closed -$56K – 7576
2018
Q4 		$56K Sell
53
-15
-22% -$188 ﹤0.01% 4417
2018
Q3 		$94K Buy
+68
New +$1.01K ﹤0.01% 4493
2017
Q2 		– Sell
-23
Closed -$1K – 6527
2017
Q1 		$1K Buy
+23
New +$217 ﹤0.01% 5710

Other funds holding MRTN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
NI
Nuance Investments Kansas City, Missouri $717M AUM 3.8% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Simplex Trading's MRTN Position: Q1 2026 in Review

Simplex Trading opened a new position in Marten Transport (MRTN) in Q1 2026: 608 shares worth $7.98K. The stake represents ﹤0.01% of the portfolio and ranks #7553 among its holdings. This is a return to the name: Simplex Trading previously reported a position in MRTN as recently as Q3 2025.

Simplex Trading first reported a position in MRTN in Q2 2015 and has held it in 13 quarters since. The position peaked at $358K in Q4 2024. 225 funds tracked by Wall St. Rank hold MRTN as of Q1 2026.

  • Simplex Trading held 608 shares of Marten Transport worth $7.98K as of Q1 2026.
  • Marten Transport was a new Simplex Trading position in Q1 2026.
  • Marten Transport made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #7553 holding.
  • Simplex Trading first reported a position in Marten Transport in Q2 2015 and has held it in 13 quarters since.
  • Simplex Trading's Marten Transport position peaked at $358K in Q4 2024.
  • 225 funds tracked by Wall St. Rank held Marten Transport as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.