Who owns MARTEN TRANSPORT LTD?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of MRTN from SEC Form 13F filings across 230 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 230 institutions disclosed 61.2M shares of MARTEN TRANSPORT LTD worth $1.06B — about 74.9% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
230
13F holders
$1.06B
value, 2026 filers
74.9%
of shares outstanding (61.2M sh)
41
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of MRTN's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 10.1M | $174.5M | 0.0% | 12.3% | +3.1% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 5.0M | $86.7M | 0.0% | 6.1% | +2.2% |
| 3 | AMERICAN CENTURY COMPANIES INC | 2.8M | $48.6M | 0.0% | 3.4% | +6.9% |
| 4 | STATE STREET CORP | 2.7M | $47.3M | 0.0% | 3.3% | +4.9% |
| 5 | FMR LLC | 2.7M | $46.9M | 0.0% | 3.3% | +52.8% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2.5M | $43.8M | 0.0% | 3.1% | +1.1% |
| 7 | GOLDMAN SACHS GROUP INC | 2.1M | $36.5M | 0.0% | 2.6% | +238.9% |
| 8 | Nuveen, LLC | 1.9M | $33.7M | 0.0% | 2.4% | +198.6% |
| 9 | TWO SIGMA INVESTMENTS, LP | 1.8M | $31.8M | 0.0% | 2.2% | +28.1% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1.6M | $27.0M | 0.0% | 1.9% | +5.9% |
| 11 | CRAMER ROSENTHAL MCGLYNN LLCNEW | 1.5M | $26.4M | 1.3% | 1.9% | new |
| 12 | ROYCE & ASSOCIATES LP | 1.4M | $24.2M | 0.2% | 1.7% | +42.3% |
| 13 | MORGAN STANLEY | 1.4M | $23.5M | 0.0% | 1.7% | +4.6% |
| 14 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.2M | $21.1M | 0.0% | 1.5% | +9.4% |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2M | $20.8M | 0.0% | 1.5% | -6.0% |
| 16 | AMERIPRISE FINANCIAL INC | 1.1M | $18.8M | 0.0% | 1.3% | +11.5% |
| 17 | Boston Partners | 1.0M | $18.2M | 0.0% | 1.3% | -38.3% |
| 18 | Russell Investments Group, Ltd. | 922,443 | $16.0M | 0.0% | 1.1% | -15.9% |
| 19 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 919,740 | $16.0M | 0.0% | 1.1% | +35.9% |
| 20 | BESSEMER GROUP INC | 873,519 | $15.2M | 0.0% | 1.1% | +507759.9% |
| 21 | LONDON CO OF VIRGINIA | 853,969 | $14.8M | 0.1% | 1% | -4.0% |
| 22 | 12th Street Asset Management Company, LLCNEW | 758,634 | $13.2M | 1.9% | 0.9% | new |
| 23 | DEPRINCE RACE & ZOLLO INC | 742,362 | $12.9M | 0.2% | 0.9% | -3.3% |
| 24 | CITADEL ADVISORS LLC | 722,251 | $12.5M | 0.0% | 0.9% | +7.9% |
| 25 | NEXT CENTURY GROWTH INVESTORS LLC | 699,305 | $12.1M | 0.6% | 0.9% | +67.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.