Latest Period
Q2 2026
Security Snapshot
MARTEN TRANSPORT LTD - COMMON (MRTN) Institutional Ownership
CUSIP: 573075108
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
229
Shares (Excl. Options)
61,175,430
Price
$17.35
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- Security type / class
- Equity / COMMON
- Symbol
- MRTN on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 61,175,430
- Total 13F value
- $1,061,267,251
- Portfolio coverage rank
- 0%
- Share change
- +3,360,948
- Value change
- +$64,401,297
- Number of holders
- 229
- Shares outstanding
- 81,580,346
- SEC-reported price per share
- $17.24
- Insider filing price
- $17.24
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- MRTN - MARTEN TRANSPORT LTD - COMMON is tracked under CUSIP 573075108.
- 229 institutions reported positions in Q2 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 224 to 229 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $758,833,266 to $1,061,267,251.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 229 institutions filings for Q2 2026.
Security key
573075108
Latest holder period
Q2 2026
13F holders
229
13D/G owners
3
CIK / CUSIP context first
Open Q2 2026 holders
MRTN full holder history
MARTEN TRANSPORT LTD SEC filings
MARTEN TRANSPORT LTD company facts
MARTEN TRANSPORT LTD insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 573075108:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
MRTN
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 6% | $55,258,773 | 4,855,737 | Dimensional Fund Advisors LP | 31 Dec 2025 | |||
| VANGUARD GROUP INC | 4.9% | $45,676,911 | 4,013,753 | The Vanguard Group | 31 Dec 2025 | |||
| VICTORY CAPITAL MANAGEMENT INC | 3.9% | -22% | $43,631,952 | -$12,148,530 | 3,184,814 | -22% | Victory Capital Management, Inc. | 30 Jun 2025 |
As of 30 Jun 2026, 229 institutional investors reported holding 61,175,430 shares of MARTEN TRANSPORT LTD - COMMON (MRTN). This represents 75% of the company’s total 81,580,346 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
60%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 12% | 10,058,930 | +3.1% | 0% | $174,522,436 |
| DIMENSIONAL FUND ADVISORS LP | 6.1% | 4,999,156 | +2.2% | 0.02% | $86,737,142 |
| AMERICAN CENTURY COMPANIES INC | 3.4% | 2,800,863 | +6.9% | 0.02% | $48,594,973 |
| STATE STREET CORP | 3.3% | 2,723,602 | +4.9% | 0% | $47,254,495 |
| FMR LLC | 3.3% | 2,702,378 | +53% | 0% | $46,886,258 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.1% | 2,524,859 | +1.1% | 0% | $43,806,304 |
| GOLDMAN SACHS GROUP INC | 2.6% | 2,101,794 | +239% | 0% | $36,466,135 |
| Nuveen, LLC | 2.4% | 1,945,243 | +199% | 0.01% | $33,749,951 |
| TWO SIGMA INVESTMENTS, LP | 2.2% | 1,830,565 | +28% | 0.02% | $31,760,303 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 1,554,058 | +5.9% | 0% | $26,968,001 |
| CRAMER ROSENTHAL MCGLYNN LLC | 1.9% | 1,523,757 | 1.3% | $26,437,184 | |
| ROYCE & ASSOCIATES LP | 1.7% | 1,394,890 | +42% | 0.19% | $24,201,342 |
| MORGAN STANLEY | 1.7% | 1,353,069 | +4.6% | 0% | $23,475,803 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.5% | 1,218,980 | +9.4% | 0% | $21,149,303 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.5% | 1,198,050 | -6% | 0% | $20,786,168 |
| AMERIPRISE FINANCIAL INC | 1.3% | 1,081,606 | +12% | 0% | $18,765,866 |
| Boston Partners | 1.3% | 1,049,147 | -38% | 0.02% | $18,203,041 |
| Russell Investments Group, Ltd. | 1.1% | 922,443 | -16% | 0.01% | $16,004,399 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.1% | 919,740 | +36% | 0.01% | $15,957,489 |
| BESSEMER GROUP INC | 1.1% | 873,519 | +507760% | 0.02% | $15,153,000 |
| LONDON CO OF VIRGINIA | 1% | 853,969 | -4% | 0.08% | $14,816,386 |
| 12th Street Asset Management Company, LLC | 0.93% | 758,634 | 1.9% | $13,162,300 | |
| DEPRINCE RACE & ZOLLO INC | 0.91% | 742,362 | -3.3% | 0.22% | $12,879,981 |
| CITADEL ADVISORS LLC | 0.89% | 722,251 | +7.9% | 0.01% | $12,531,055 |
| NEXT CENTURY GROWTH INVESTORS LLC | 0.86% | 699,305 | +67% | 0.64% | $12,132,941 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 61,175,430 | $1,061,267,251 | +$64,401,297 | $17.35 | 229 |
| 2026 Q1 | 57,857,584 | $758,833,266 | +$18,805,070 | $13.13 | 224 |
| 2025 Q4 | 56,932,671 | $647,932,103 | +$14,648,207 | $11.38 | 205 |
| 2025 Q3 | 55,755,832 | $594,351,380 | -$23,093,296 | $10.66 | 214 |
| 2025 Q2 | 57,432,124 | $746,026,442 | -$3,326,672 | $12.99 | 210 |
| 2025 Q1 | 57,661,090 | $791,055,213 | -$4,676,268 | $13.72 | 192 |
| 2024 Q4 | 57,538,872 | $898,185,452 | +$15,624,573 | $15.61 | 195 |
| 2024 Q3 | 56,453,362 | $999,194,162 | -$725,076 | $17.70 | 198 |
| 2024 Q2 | 56,374,305 | $1,040,086,864 | +$6,276,407 | $18.45 | 190 |
| 2024 Q1 | 56,056,203 | $1,036,043,005 | -$4,664,428 | $18.48 | 201 |
| 2023 Q4 | 56,402,983 | $1,183,338,089 | +$20,748,468 | $20.98 | 189 |
| 2023 Q3 | 54,938,364 | $1,082,685,121 | -$311,933 | $19.71 | 191 |
| 2023 Q2 | 54,867,717 | $1,180,118,617 | +$7,997,735 | $21.50 | 194 |
| 2023 Q1 | 54,551,033 | $1,142,435,188 | +$1,191,609 | $20.95 | 203 |
| 2022 Q4 | 54,715,493 | $1,082,256,214 | -$8,941,876 | $19.78 | 211 |
| 2022 Q3 | 55,792,465 | $1,069,302,582 | -$4,119,748 | $19.16 | 201 |
| 2022 Q2 | 56,180,746 | $944,993,058 | -$3,617,867 | $16.82 | 182 |
| 2022 Q1 | 56,405,218 | $1,002,180,181 | -$11,457,880 | $17.76 | 187 |
| 2021 Q4 | 57,000,400 | $977,913,936 | -$5,401,523 | $17.16 | 185 |
| 2021 Q3 | 57,366,240 | $901,393,808 | +$22,598,851 | $15.69 | 182 |
| 2021 Q2 | 57,866,067 | $954,060,223 | +$1,328,336 | $16.49 | 192 |
| 2021 Q1 | 57,913,042 | $983,047,036 | -$6,151,650 | $16.97 | 206 |
| 2020 Q4 | 58,162,245 | $1,002,106,208 | +$66,178 | $17.23 | 198 |
| 2020 Q3 | 58,289,919 | $951,320,609 | +$302,019,262 | $16.32 | 197 |
| 2020 Q2 | 39,246,970 | $987,516,612 | +$3,177,752 | $25.16 | 180 |