12th Street Asset Management Company, LLC

Position in MRTN — Marten Transport Ltd

CIK 1633703 Nashville, TN

Position in MRTN

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$13,162,299

+$11,332,487 QoQ

Shares Held

758,634

+769.8% QoQ

Ownership

0.929%

of shares outstanding

% of Portfolio

1.90%

of 13F equity value

Holder Rank

#22

of 228 holders

Holding Since

Mar 2020

17 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

12th Street Asset Management Company, LLC holds $55,896,186 across 2 Trucking names. MRTN ranks #2 (23.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	KNX	Knight-Swift Transportation Holdings Inc.	548,785	$42,733,887
2	MRTN	Marten Transport Ltd This page	758,634	$13,162,299

17 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$13,162,299	758,634	+769.8%	Shares	Sole	2026-08-13
2023-12-31	$1,829,812	87,217	+1.1%	Shares	Sole	2024-02-09
2023-09-30	$1,700,361	86,269	+3.5%	Shares	Sole	2023-11-08
2023-06-30	$1,791,380	83,320	-57.2%	Shares	Sole	2023-08-10
2023-03-31	$4,076,870	194,600	-0.5%	Shares	Sole	2023-05-15
2022-12-31	$3,870,214	195,663	+0.3%	Shares	Sole	2023-02-13
2022-09-30	$3,738,748	195,133	-20.1%	Shares	Sole	2022-11-14
2022-06-30	$4,109,075	244,297	+0.7%	Shares	Sole	2022-08-10
2022-03-31	$4,310,369	242,701	-47.5%	Shares	Sole	2022-05-16
2021-12-31	$7,931,403	462,203	-2.0%	Shares	Sole	2022-02-11
2021-09-30	$7,399,152	471,584	-0.3%	Shares	Sole	2021-11-10
2021-06-30	$7,801,303	473,093	-7.9%	Shares	Sole	2021-08-12
2021-03-31	$8,721,256	513,922	+0.2%	Shares	Sole	2021-05-12
2020-12-31	$8,834,648	512,748	+0.4%	Shares	Sole	2021-02-11
2020-09-30	$8,337,088	510,851	+38.1%	Shares	Sole	2020-11-13
2020-06-30	$9,310,187	370,040	-8.5%	Shares	Sole	2020-08-12
2020-03-31	$8,302,494	404,605	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.