MRTN · Insider trading · 13F holders · Congress trades
Marten Trans Ltd (MRTN)
Who is buying and selling MRTN: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 5
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
MRTN at a glance
- No open-market insider purchases or sales of MRTN were filed in the last 90 days.
- 5 13F filers hold MRTN among their 50 largest positions, worth $58.8M combined. The biggest bets by portfolio weight are Buckland Partners Management Co LLC (2.3%), 12th Street Asset Management Company, LLC (1.9%) and Nuance Investments, LLC (1.6%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
- No member of Congress has disclosed a trade in MRTN.
MRTN insider trading
No open-market insider purchases or sales of MRTN were filed in the last 90 days.
Who owns MRTN? Hedge funds and superinvestors
5 13F filers hold MRTN among their 50 largest positions, worth $58.8M combined. The biggest bets by portfolio weight are Buckland Partners Management Co LLC (2.3%), 12th Street Asset Management Company, LLC (1.9%) and Nuance Investments, LLC (1.6%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Cramer Rosenthal Mcglynn LLCAsset manager | 1.3% | $26.4M | 1,523,757 | — | Q2 2026 |
| 12th Street Asset Management Company, LLCAsset manager | 1.9% | $13.2M | 758,634 | New | Q2 2026 |
| Nuance Investments, LLCAsset manager | 1.6% | $9.5M | 546,871 | -88.6% shares | Q2 2026 |
| Stanley-Laman Group, Ltd.Wealth manager | 0.6% | $5.1M | 390,996 | — | Q3 2026 |
| Buckland Partners Management Co LLCHedge fund | 2.3% | $4.6M | 267,594 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 4). Screen MRTN in the grand portfolio →
MRTN stock trades by members of Congress
No member of Congress has disclosed a trade in MRTN.
MRTN questions and answers
Are insiders buying MRTN stock?
No open-market insider purchases or sales of MRTN were filed in the last 90 days.
Which hedge funds own MRTN?
5 13F filers hold MRTN among their 50 largest positions, worth $58.8M combined. The biggest bets by portfolio weight are Buckland Partners Management Co LLC (2.3%), 12th Street Asset Management Company, LLC (1.9%) and Nuance Investments, LLC (1.6%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
Has Congress traded MRTN?
No member of Congress has disclosed a trade in MRTN.
Who is the largest holder of MRTN?
Among 13F filers, Cramer Rosenthal Mcglynn LLC reports the largest MRTN position, $26.4M (1,523,757 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Buckland Partners Management Co LLC's: 2.3% of its portfolio.
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