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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.

New
Increased
Maintained
Reduced
Closed

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

Holders
216
Holders Change
+3
Holders Change %
+1.41%
% of All Funds
2.83%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
40
Increased
88
Reduced
66
Closed
36
Calls
$134K
Puts
$181K
Net Calls
-$47K
Net Calls Change
+$988K

Top Buyers

Rank Fund Capital Flow
1
Ameriprise
Ameriprise
Minnesota
+$6.3M
2
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$5.18M
3
NI
Nuance Investments
Missouri
+$4.58M
4
Two Sigma Investments
Two Sigma Investments
New York
+$3.46M
5
Renaissance Technologies
Renaissance Technologies
New York
+$3.03M

Top Sellers

Rank Fund Capital Flow
1
Victory Capital Management
Victory Capital Management
Texas
-$38.6M
2
William Blair Investment Management
William Blair Investment Management
Illinois
-$17.2M
3
Wolverine Trading
Wolverine Trading
Illinois
-$3.04M
4
HCM
Hodges Capital Management
Texas
-$2.16M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$1.91M
Name Holding Trade Value Shares
Change 		Change in
Stake
GRP
201
Global Retirement Partners
California
$1.25K – – –
FFA
202
Farther Finance Advisors
California
$1.13K +$1.22K +100 +1,667%
WA
203
WPG Advisers
Maryland
$1.02K -$1.42K -117 -55%
Simplex Trading
204
Simplex Trading
Illinois
$1K +$1.22K +100 New
ACM
205
Aster Capital Management
United Arab Emirates
$991 -$13.3K -1,090 -92%
National Bank of Canada
206
National Bank of Canada
Quebec, Canada
$586 +$669 +55 New
IA
207
IFP Advisors
Florida
$448 +$511 +42 New
TWD
208
True Wealth Design
Ohio
$342 -$657 -54 -63%
Pacer Advisors
209
Pacer Advisors
Pennsylvania
$298 +$24 +2 +8%
SAM
210
Smartleaf Asset Management
Massachusetts
$266 -$97 -8 -24%
CT
211
Clearstead Trust
Maine
$171 – – –
SS
212
SBI Securities
Japan
$128 – – –
Jones Financial Companies
213
Jones Financial Companies
Missouri
$21 -$16.8K -1,381 -100%
RIL
214
Rothschild Investment LLC
Illinois
$11 -$2.67K -220 -100%
CAM
215
Creekmur Asset Management
Illinois
$9 – – –
William Blair Investment Management
216
William Blair Investment Management
Illinois
– -$17.2M -1,320,316 Closed
Wolverine Trading
217
Wolverine Trading
Illinois
– -$3.04M -234,483 Closed
HCM
218
Hodges Capital Management
Texas
– -$2.16M -166,100 Closed
PCM
219
Penn Capital Management
Pennsylvania
– -$1.29M -99,253 Closed
DTL
220
Dynamic Technology Lab
Singapore
– -$945K -72,780 Closed
TA
221
Tectonic Advisors
Texas
– -$899K -69,205 Closed
NRD
222
Nebula Research & Development
New York
– -$853K -65,630 Closed
Balyasny Asset Management
223
Balyasny Asset Management
Illinois
– -$653K -50,246 Closed
HF
224
HRT Financial
New York
– -$510K -39,335 Closed
CAU
225
Caxton Associates (UK)
– -$508K -39,110 Closed
6 7 8
9
10

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.