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Campbell & Co Investment Adviser’s Marten Transport MRTN Stock Holding History

Campbell & Co Investment Adviser’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 		$2.1M Buy
121,003
+105,316
+671% +$1.67M 0.11% 310
2026
Q1 		$206K Buy
+15,687
New +$201K 0.01% 961
2025
Q4 		– Sell
-50,141
Closed -$535K – 1305
2025
Q3 		$535K Buy
50,141
+5,967
+14% +$72.6K 0.04% 703
2025
Q2 		$574K Buy
+44,174
New +$582K 0.04% 735
2024
Q4 		– Sell
-12,715
Closed -$225K – 1248
2024
Q3 		$225K Buy
+12,715
New +$223K 0.02% 992
2023
Q4 		– Sell
-18,334
Closed -$361K – 1248
2023
Q3 		$361K Sell
18,334
-14,909
-45% -$315K 0.04% 650
2023
Q2 		$715K Buy
33,243
+9,271
+39% +$195K 0.13% 266
2023
Q1 		$502K Buy
23,972
+7,714
+47% +$164K 0.09% 420
2022
Q4 		$322K Buy
+16,258
New +$324K 0.08% 526
2022
Q2 		– Sell
-14,300
Closed -$254K – 825
2022
Q1 		$254K Sell
14,300
-300
-2% -$5.25K 0.07% 541
2021
Q4 		$251K Buy
+14,600
New +$242K 0.09% 434
2021
Q2 		– Sell
-18,159
Closed -$308K – 645
2021
Q1 		$308K Buy
+18,159
New +$307K 0.19% 221
2020
Q1 		– Sell
-29,408
Closed -$421K – 327
2019
Q4 		$421K Sell
29,408
-8,152
-22% -$116K 0.13% 291
2019
Q3 		$520K Buy
37,560
+5,523
+17% +$72.4K 0.2% 164
2019
Q2 		$388K Buy
+32,037
New +$400K 0.18% 217

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

Campbell & Co Investment Adviser's MRTN Position: Q2 2026 in Review

Campbell & Co Investment Adviser increased its Marten Transport (MRTN) stake by 671% in Q2 2026, buying an estimated $1.67M and bringing the position to 121,003 shares worth $2.1M. The position accounts for 0.11% of the portfolio, ranked #310.

Campbell & Co Investment Adviser first reported a position in MRTN in Q2 2019 and has held it in 15 quarters since. 229 funds tracked by Wall St. Rank hold MRTN as of Q2 2026.

  • Campbell & Co Investment Adviser held 121,003 shares of Marten Transport worth $2.1M as of Q2 2026.
  • Campbell & Co Investment Adviser bought 105,316 Marten Transport shares in Q2 2026, an estimated $1.67M.
  • Marten Transport made up 0.11% of Campbell & Co Investment Adviser's portfolio in Q2 2026, its #310 holding.
  • Campbell & Co Investment Adviser first reported a position in Marten Transport in Q2 2019 and has held it in 15 quarters since.
  • 229 funds tracked by Wall St. Rank held Marten Transport as of Q2 2026.

Based on Campbell & Co Investment Adviser's 13F filing for Q2 2026, filed 3 Aug 2026.