MRTNMarten Transport, Ltd.

$12.75+17% 1Y

Who owns MRTN

226 institutions reported holding MRTN for 2026Q2, together 75% of the company, more than the 222 a quarter earlier.

226

Institutions reporting a position · as of 2026Q2 · up from 222 the quarter before

Shares held by institutions
61.2M

Shares held by institutions · 75% of the company · long US equity positions only, as reported on Form 13F

Reported value
$1.06B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
30%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
40
Positions exited
36
Added to
73
Reduced
69
Top 10 holdersof the company
43%
Shares sold shortsettled Sep 15, 2026
3.6M
Short interestof shares outstanding
4.4%
Days to coverat the average daily volume
6.7
Change in the short positionsince the Aug 31, 2026 count
+6.3%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q222661.2M$1.06B
2026Q122257.8M$758M
2025Q420256.9M$647M
2025Q321555.7M$594M
2025Q221157.4M$745M
2025Q119357.6M$791M
2024Q419557.5M$898M
2024Q319756.5M$999M
2024Q219056.3M$1.04B
2024Q119956.0M$1.04B
2023Q418856.4M$1.18B
2023Q319154.9M$1.08B
2023Q219354.8M$1.18B
2023Q120154.5M$1.14B
2022Q420954.6M$1.08B
2022Q320155.7M$1.07B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.10.1M12%$175M
DIMENSIONAL FUND ADVISORS LP5.0M6.1%$87M
VANGUARD GROUP INC4.2M5.2%$74M
AMERICAN CENTURY COMPANIES INC2.8M3.4%$49M
STATE STREET CORP2.7M3.3%$47M
FMR LLC2.7M3.3%$47M
GOLDMAN SACHS GROUP INC2.1M2.6%$36M
Nuveen Asset Management, LLC1.9M2.4%$34M
TWO SIGMA INVESTMENTS, LP1.8M2.2%$32M
GEODE CAPITAL MANAGEMENT LLC1.6M1.9%$27M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20263.6M4.4%6.7
Aug 31, 20263.4M4.1%7.8
Aug 14, 20263.4M4.2%4.9
Jul 31, 20263.5M4.3%4.9
Jul 15, 20263.5M4.3%6.2
Jun 30, 20263.3M4.0%3.0
Jun 15, 20263.1M3.8%3.9
May 29, 20262.4M3.0%2.6
May 15, 20262.3M2.8%2.4
Apr 30, 20261.9M2.4%2.0
Apr 15, 20261.5M1.9%2.0
Mar 31, 20261.6M1.9%1.9

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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