Marten Transport
MRTN
216 hedge funds and large institutions have $594M invested in Marten Transport in 2025 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 88 increasing their positions, 66 reducing their positions, and 36 closing their positions.
33% more repeat investments, than reductions
Existing positions increased: 88 | Existing positions reduced: 66
11% more first-time investments, than exits
New positions opened: 40 | Existing positions closed: 36
1% more funds holding
Funds holding: 213 → 216 (+3)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
2.02% less ownership
Funds ownership: 70.42% → 68.4% (-2%)
20% less capital invested
Capital invested by funds: $745M → $594M (-$151M)
26% less call options, than puts
Call options by funds: $134K | Put options by funds: $181K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Ameriprise
Minneapolis,
Minnesota
|
+$6.3M |
| 2 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$5.18M |
| 3 |
NI
Nuance Investments
Kansas City,
Missouri
|
+$4.58M |
| 4 |
Two Sigma Investments
New York
|
+$3.46M |
| 5 |
Renaissance Technologies
New York
|
+$3.03M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Victory Capital Management
San Antonio,
Texas
|
-$38.6M |
| 2 |
William Blair Investment Management
Chicago,
Illinois
|
-$17.2M |
| 3 |
Wolverine Trading
Chicago,
Illinois
|
-$3.04M |
| 4 |
HCM
Hodges Capital Management
Dallas,
Texas
|
-$2.16M |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
-$1.91M |
MRTN Hedge Fund Activity: Q3 2025 in Review
216 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Marten Transport (MRTN) for Q3 2025, worth a combined $594M — down 20% from $745M a quarter earlier.
Buyers outnumbered sellers: 40 funds opened new MRTN positions and 36 closed out — a net gain of 4 holders — while 88 added to existing stakes and 66 trimmed.
The largest buyer was Ameriprise, adding an estimated $6.3M. The largest seller was Victory Capital Management, cutting an estimated $38.6M.
- 216 institutional investors held Marten Transport (MRTN) as of Q3 2025, up from 213 in Q2 2025.
- Funds reported $594M of Marten Transport stock for Q3 2025, down 20% quarter-over-quarter.
- 40 funds opened new Marten Transport positions in Q3 2025 and 36 closed out, a net change of +4 holders.
- The largest Marten Transport buyer in Q3 2025 was Ameriprise, an estimated $6.3M added.
- The largest Marten Transport seller in Q3 2025 was Victory Capital Management, an estimated $38.6M sold.
Based on aggregated 13F filings for Q3 2025.