Marten Transport
MRTN
213 hedge funds and large institutions have $745M invested in Marten Transport in 2025 Q2 according to their latest regulatory filings, with 43 funds opening new positions, 77 increasing their positions, 69 reducing their positions, and 22 closing their positions.
95% more first-time investments, than exits
New positions opened: 43 | Existing positions closed: 22
12% more repeat investments, than reductions
Existing positions increased: 77 | Existing positions reduced: 69
10% more funds holding
Funds holding: 193 → 213 (+20)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
0.34% less ownership
Funds ownership: 70.76% → 70.42% (-0.34%)
6% less capital invested
Capital invested by funds: $791M → $745M (-$45.5M)
16% less call options, than puts
Call options by funds: $5.37M | Put options by funds: $6.41M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
NI
Nuance Investments
Kansas City,
Missouri
|
+$6.7M |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$3.63M |
| 3 |
Renaissance Technologies
New York
|
+$3.52M |
| 4 |
Wolverine Trading
Chicago,
Illinois
|
+$2.93M |
| 5 |
Teacher Retirement System of Texas
Austin,
Texas
|
+$2.89M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Victory Capital Management
San Antonio,
Texas
|
-$12.5M |
| 2 |
Ameriprise
Minneapolis,
Minnesota
|
-$11.2M |
| 3 |
GIA
GHP Investment Advisors
Denver,
Colorado
|
-$3.63M |
| 4 |
Dimensional Fund Advisors
Austin,
Texas
|
-$2.93M |
| 5 |
BlackRock
New York
|
-$2.79M |
MRTN Hedge Fund Activity: Q2 2025 in Review
213 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Marten Transport (MRTN) for Q2 2025, worth a combined $745M — down 5.8% from $791M a quarter earlier.
Buyers outnumbered sellers: 43 funds opened new MRTN positions and 22 closed out — a net gain of 21 holders — while 77 added to existing stakes and 69 trimmed.
The largest buyer was Nuance Investments, adding an estimated $6.7M. The largest seller was Victory Capital Management, cutting an estimated $12.5M.
- 213 institutional investors held Marten Transport (MRTN) as of Q2 2025, up from 193 in Q1 2025.
- Funds reported $745M of Marten Transport stock for Q2 2025, down 5.8% quarter-over-quarter.
- 43 funds opened new Marten Transport positions in Q2 2025 and 22 closed out, a net change of +21 holders.
- The largest Marten Transport buyer in Q2 2025 was Nuance Investments, an estimated $6.7M added.
- The largest Marten Transport seller in Q2 2025 was Victory Capital Management, an estimated $12.5M sold.
Based on aggregated 13F filings for Q2 2025.