MARTEN TRANSPORT LTD

MRTNNASDAQ

$13.34+0.26 (+1.99%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

MARTEN TRANSPORT LTD price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+26.1%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	12.32%	$175M	0.00%	Not reported
Dimensional Fund Advisors LP	6.12%	$86.7M	0.02%	Not reported
American Century Companies Inc	3.43%	$48.6M	0.02%	Not reported
State Street Corp	3.34%	$47.3M	0.00%	Not reported
FMR LLC	3.31%	$46.9M	0.00%	Not reported
Vanguard Capital Management LLC	3.09%	$43.8M	0.00%	Not reported
Goldman Sachs Group Inc	2.57%	$36.5M	0.00%	Not reported
Nuveen, LLC	2.38%	$33.7M	0.01%	Not reported
Two Sigma Investments, LP	2.24%	$31.8M	0.02%	Not reported
Geode Capital Management, LLC	1.90%	$27M	0.00%	Not reported
Cramer Rosenthal Mcglynn LLC	1.87%	$26.4M	1.34%	New Not reported
Royce & Associates LP	1.71%	$24.2M	0.19%	Not reported
Morgan Stanley	1.66%	$23.5M	0.00%	Not reported
Vanguard Portfolio Management LLC	1.49%	$21.1M	0.00%	Not reported
Charles Schwab Investment Management Inc	1.47%	$20.8M	0.00%	Not reported
Ameriprise Financial Inc	1.32%	$18.8M	0.00%	Not reported
Russell Investments Group, Ltd.	1.13%	$16M	0.01%	Not reported
Arrowstreet Capital, Limited Partnership	1.13%	$16M	0.01%	Not reported
Bessemer Group Inc	1.07%	$15.2M	0.02%	Add 507759.88%
London Co of Virginia	1.05%	$14.8M	0.08%	Reduce 3.97%
12th Street Asset Management Company, LLC	0.93%	$13.2M	1.88%	New Not reported
Deprince Race & Zollo Inc	0.91%	$12.9M	0.22%	Reduce 3.30%
Citadel Advisors LLC	0.88%	$12.5M	0.00%	Not reported
Next Century Growth Investors LLC	0.86%	$12.1M	0.64%	Add 67.15%
Northern Trust Corp	0.82%	$11.6M	0.00%	Not reported
JPMorgan Chase & Co	0.74%	$10.6M	0.00%	Not reported
Nuance Investments, LLC	0.67%	$9.49M	1.61%	Reduce 88.63%
Bank of America Corp	0.60%	$8.43M	0.00%	Not reported
Creative Planning	0.51%	$7.28M	0.00%	Not reported
AQR Capital Management LLC	0.48%	$6.86M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.47%	$6.67M	0.00%	Not reported
Norges Bank	0.46%	$6.58M	0.00%	Not reported
Heartland Advisors Inc	0.43%	$6.07M	0.27%	Not reported
Bank of New York Mellon Corp	0.40%	$5.72M	0.00%	Not reported
Invesco Ltd.	0.40%	$5.61M	0.00%	Not reported
Nicholas Company, Inc.	0.39%	$5.47M	0.10%	Reduce 20.62%
Mackenzie Financial Corp	0.38%	$5.43M	0.01%	Not reported
Principal Financial Group Inc	0.34%	$4.86M	0.00%	Not reported
Stanley-Laman Group, Ltd.	0.33%	$4.69M	0.48%	Reduce 0.74%
Buckland Partners Management Co LLC	0.33%	$4.64M	2.27%	Not reported
Polar Asset Management Partners Inc.	0.31%	$4.44M	0.07%	Not reported
UBS Group AG	0.31%	$4.35M	0.00%	Not reported
Allianz Asset Management GmbH	0.30%	$4.19M	0.00%	Not reported
Aptus Capital Advisors, LLC	0.25%	$3.55M	0.02%	New Not reported
US Bancorp \de\	0.25%	$3.48M	0.00%	Not reported
Public Sector Pension Investment Board	0.24%	$3.45M	0.01%	Reduce 4.09%
Rhumbline Advisers	0.18%	$2.55M	0.00%	Not reported
Legal & General Group Plc	0.16%	$2.31M	0.00%	Not reported
Verition Fund Management LLC	0.15%	$2.15M	0.01%	Not reported
Campbell & CO Investment Adviser LLC	0.15%	$2.1M	0.11%	Add 671.36%

50 of 214 holders

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