Security key
573075108
- Security type / class
- Equity / COMMON
- Total 13F shares
- 56,932,671
- Total 13F value
- $647,932,103
- Share change
- +1,169,392
- SEC-reported price per share
- $11.38
- Number of holders
- 205
- Value change
- +$14,648,207
- Number of buys
- 105
- Number of sells
- 116
- Shares outstanding
- 81,580,346
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
205
Top holders
10
MRTN full security history
Ownership snapshot
Full 13F holder table
MARTEN TRANSPORT LTD SEC filings
MARTEN TRANSPORT LTD company facts
Broader feeds
Ownership snapshot
Top reported holders of MRTN - MARTEN TRANSPORT LTD - COMMON (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
DIMENSIONAL FUND ADVISORS LP
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G
13F
3/4/5
Lead comparable stake: 6%
13D/G row: DIMENSIONAL FUND ADVISORS LP
Showing 1-6 of 15 holder rows.
Quick read
DIMENSIONAL FUND ADVISORS LP leads the comparable SEC ownership view at 6%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens DIMENSIONAL FUND ADVISORS LP's linked filing trail.
Comparable ownership
Top 5
DIMENSIONAL FUND ADVISORS LP
6%
VANGUARD GROUP INC
4.9%
VICTORY CAPITAL MANAGEMENT INC
3.9%
Timothy M. Kohl
0.36%
BlackRock, Inc.
11%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP |
13D/G
13F
Company
|
6%
|
$55,258,773
4,855,737 shares
|
$0 | 31 Dec 2025 |
| VANGUARD GROUP INC |
13D/G
13F
The Vanguard Group · Company
|
4.9%
|
$45,676,911
4,013,753 shares
|
$0 | 31 Dec 2025 |
| VICTORY CAPITAL MANAGEMENT INC |
13D/G
|
3.9%
|
$43,631,952
3,184,814 shares
|
-$12,148,530 | 30 Jun 2025 |
| Timothy M. Kohl |
3/4/5
Chief Executive Officer
|
0.36%
|
$3,841,450
291,019 shares
|
— | 06 May 2025 |
| BlackRock, Inc. |
13F
Company
|
11%
|
$95,163,049
8,927,115 shares
|
— | 30 Sep 2025 |
| NUANCE INVESTMENTS, LLC |
13F
Company
|
7.5%
|
$65,264,947
6,122,415 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
205
Shares
56,932,671
Rows available
205
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
214
Q4 2025 holders
205
Holder diff
-9
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|