Institutional HoldersBeta

Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.

MARTEN TRANSPORT LTD

CIK 0000799167MRTN· quarter ending 2026-06-30
Shares outstanding
81,661,669
Held by 13F filers
61,173,597
74.9% of shares outstanding
Holders
230
+5 vs 2026-03-31 · 40 new, 35 exited
Value
$1.1B
shares +5.7% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-08-06, as of 2026-07-28)

ClassListedShares outstandingHeld by 13F filers% of classHoldersCUSIP
Common stockMRTN · NASDAQ81,661,66961,173,59774.9%230573075108

Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.

Securities (CUSIPs held in 13F this quarter)

tick to combine
CountCUSIPClass (as filers write it)HoldersShares heldClass shares% of classValueOptionsMapped via
573075108COM23061,173,59781,661,66974.9%$1.1B4 call / 0 put13DGholders →

Totals combine the ticked CUSIPs and update as you tick: common-stock classes by default; preferreds, notes, warrants and depositary shares are listed but not counted. "holders →" shows a single CUSIP on its own. Bonds are held as a principal amount, not shares. Options positions are never counted as holdings.

Top holders (230 of 230 · 573075108)

change vs 2026-03-31
#FilerShares% of classValueChange
1BlackRock, Inc.10,058,93012.32%$174.5M+298,912 (+3.1%)
2DIMENSIONAL FUND ADVISORS LP4,999,1566.12%$86.7M+105,658 (+2.2%)
3AMERICAN CENTURY COMPANIES INC2,800,8633.43%$48.6M+180,895 (+6.9%)
4STATE STREET CORP2,723,6023.34%$47.3M+126,055 (+4.9%)
5FMR LLC2,702,3783.31%$46.9M+933,232 (+52.8%)
6VANGUARD CAPITAL MANAGEMENT LLC2,524,8593.09%$43.8M+28,174 (+1.1%)
7GOLDMAN SACHS GROUP INC2,101,7942.57%$36.5M+1,481,660 (+238.9%)
8Nuveen, LLC1,945,2432.38%$33.7M+1,293,727 (+198.6%)
9TWO SIGMA INVESTMENTS, LP1,830,5652.24%$31.8M+401,084 (+28.1%)
10GEODE CAPITAL MANAGEMENT, LLC1,554,0581.90%$27.0M+86,004 (+5.9%)
11CRAMER ROSENTHAL MCGLYNN LLC1,523,7571.87%$26.4MNEW
12ROYCE & ASSOCIATES LP1,394,8901.71%$24.2M+414,680 (+42.3%)
13MORGAN STANLEY1,353,0691.66%$23.5M+58,926 (+4.6%)
14VANGUARD PORTFOLIO MANAGEMENT LLC1,218,9801.49%$21.1M+105,153 (+9.4%)
15CHARLES SCHWAB INVESTMENT MANAGEMENT INC1,198,0501.47%$20.8M-76,337 (-6.0%)
16AMERIPRISE FINANCIAL INC1,081,6061.32%$18.8M+111,626 (+11.5%)
17Boston Partners1,049,1471.28%$18.2M-650,668 (-38.3%)
18Russell Investments Group, Ltd.922,4431.13%$16.0M-174,947 (-15.9%)
19ARROWSTREET CAPITAL, LIMITED PARTNERSHIP919,7401.13%$16.0M+243,156 (+35.9%)
20BESSEMER GROUP INC873,5191.07%$15.2M+873,347 (+507759.9%)
21LONDON CO OF VIRGINIA853,9691.05%$14.8M-35,304 (-4.0%)
2212th Street Asset Management Company, LLC758,6340.93%$13.2MNEW
23DEPRINCE RACE & ZOLLO INC742,3620.91%$12.9M-25,324 (-3.3%)
24CITADEL ADVISORS LLC722,2510.88%$12.5M+52,908 (+7.9%)
25NEXT CENTURY GROWTH INVESTORS LLC699,3050.86%$12.1M+280,934 (+67.1%)
26NORTHERN TRUST CORP667,6810.82%$11.6M+41,361 (+6.6%)
27JPMORGAN CHASE & CO604,3660.74%$10.6M-164,795 (-21.4%)
28NUANCE INVESTMENTS, LLC546,8710.67%$9.5M-4,263,549 (-88.6%)
29BANK OF AMERICA CORP /DE/486,0410.60%$8.4M-71,055 (-12.8%)
30Creative Planning419,3690.51%$7.3M+20,856 (+5.2%)
31AQR CAPITAL MANAGEMENT LLC395,1250.48%$6.9M+49,338 (+14.3%)
32VANGUARD FIDUCIARY TRUST CO384,6380.47%$6.7M+4,581 (+1.2%)
33NORGES BANK379,0000.46%$6.6MNEW
34TEACHER RETIREMENT SYSTEM OF TEXAS363,0270.44%$6.3M-183,783 (-33.6%)
35HEARTLAND ADVISORS INC350,0000.43%$6.1M—
36Bank of New York Mellon Corp329,6680.40%$5.7M+7,951 (+2.5%)
37Invesco Ltd.323,1990.40%$5.6M-37,022 (-10.3%)
38NICHOLAS COMPANY, INC.315,1350.39%$5.5M-81,860 (-20.6%)
39MACKENZIE FINANCIAL CORP313,0980.38%$5.4MNEW
40PRINCIPAL FINANCIAL GROUP INC279,9920.34%$4.9M-1,441 (-0.5%)
41Stanley-Laman Group, Ltd.270,4450.33%$4.7M-2,024 (-0.7%)
42Buckland Partners Management Co LLC267,5940.33%$4.6M—
43Polar Asset Management Partners Inc.255,8000.31%$4.4MNEW
44UBS Group AG250,8800.31%$4.4M+130,219 (+107.9%)
45Allianz Asset Management GmbH241,2910.30%$4.2M+22,162 (+10.1%)
46Aptus Capital Advisors, LLC204,3370.25%$3.5MNEW
47US BANCORP \DE\200,5180.25%$3.5M-68,240 (-25.4%)
48Public Sector Pension Investment Board198,6090.24%$3.4M-8,466 (-4.1%)
49RHUMBLINE ADVISERS146,9040.18%$2.5M-17,728 (-10.8%)
50Legal & General Group Plc132,8660.16%$2.3M-2,866 (-2.1%)
51Connor, Clark & Lunn Investment Management Ltd.125,4510.15%$2.2M+92,409 (+279.7%)
52Verition Fund Management LLC123,9430.15%$2.2M-32,500 (-20.8%)
53Campbell & CO Investment Adviser LLC121,0030.15%$2.1M+105,316 (+671.4%)
54SEI INVESTMENTS CO120,5570.15%$2.1M-99,757 (-45.3%)
55Swiss National Bank114,4750.14%$2.0M-6,100 (-5.1%)
56CastleKnight Management LP108,4000.13%$1.9M—
57Mariner, LLC107,4200.13%$1.9M-178,563 (-62.4%)
58Hudson Bay Capital Management LP106,7800.13%$1.9M-96,327 (-47.4%)
59WINTON GROUP Ltd92,4300.11%$1.6M-19,580 (-17.5%)
60Fulcrum Asset Management LLP85,5300.10%$1.5MNEW
61CITIGROUP INC79,9310.10%$1.4M+24,972 (+45.4%)
62Atria Investments, Inc77,0050.09%$1.3MNEW
63UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC76,8670.09%$1.3M-5,977 (-7.2%)
64CONFLUENCE INVESTMENT MANAGEMENT LLC75,2560.09%$1.3M-5,357 (-6.6%)
65Quantinno Capital Management LP75,1970.09%$1.3M+13,652 (+22.2%)
66XTX Topco Ltd73,8290.09%$1.3M+44,205 (+149.2%)
67BARCLAYS PLC72,5250.09%$1.3M-8,216 (-10.2%)
68Treasurer of the State of North Carolina70,7910.09%$1.2MNEW
69PRICE T ROWE ASSOCIATES INC /MD/66,9420.08%$1.2M+4,139 (+6.6%)
70ALLIANCEBERNSTEIN L.P.64,7830.08%$851K-293,236 (-81.9%)
71DEUTSCHE BANK AG\62,8930.08%$1.1M+6,502 (+11.5%)
72MARTINGALE ASSET MANAGEMENT L P61,9000.08%$1.1M-1,900 (-3.0%)
73PRUDENTIAL FINANCIAL INC60,6730.07%$1.1M+730 (+1.2%)
74CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM58,9800.07%$1.0M+3,202 (+5.7%)
75ENVESTNET ASSET MANAGEMENT INC56,4490.07%$979K+24,741 (+78.0%)
76Ausbil Investment Management Ltd56,4380.07%$985K-15,861 (-21.9%)
77MILLENNIUM MANAGEMENT LLC55,4240.07%$962KNEW
78EntryPoint Capital, LLC54,3310.07%$943K+15,330 (+39.3%)
79HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND53,7160.07%$932K-38,448 (-41.7%)
80SG Americas Securities, LLC51,2340.06%$889K-29,428 (-36.5%)
81WELLS FARGO & COMPANY/MN51,0890.06%$886K+28,526 (+126.4%)
82PDT Partners, LLC47,0630.06%$817K—
83Horizon Investments, LLC46,4530.06%$806KNEW
84CANADA LIFE ASSURANCE Co45,5040.06%$790K-4,052 (-8.2%)
85VANGUARD ASSET MANAGEMENT, Ltd44,4640.05%$771K—
86MERCER GLOBAL ADVISORS INC /ADV44,1510.05%$766K+16,441 (+59.3%)
87GSA CAPITAL PARTNERS LLP43,8050.05%$760KNEW
88HSBC HOLDINGS PLC43,7190.05%$761K-35,364 (-44.7%)
89FRANKLIN RESOURCES INC43,4390.05%$754K+8,484 (+24.3%)
90Vanguard Personalized Indexing Management, LLC40,4770.05%$702K-2,017 (-4.7%)
91Inspire Investing, LLC39,0350.05%$677K-461 (-1.2%)
92Thrivent Financial for Lutherans38,0390.05%$660K-605 (-1.6%)
93BNP PARIBAS FINANCIAL MARKETS35,7560.04%$620K+10,735 (+42.9%)
94MetLife Investment Management, LLC34,9910.04%$607K+6,185 (+21.5%)
95Simplicity Wealth,LLC32,6570.04%$567KNEW
96Illinois Municipal Retirement Fund30,1330.04%$523K-3,466 (-10.3%)
97DARK FOREST CAPITAL MANAGEMENT LP29,3000.04%$508K+3,832 (+15.0%)
98Jupiter Topco LLC28,1330.03%$489KNEW
99MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.27,3230.03%$474K-29 (-0.1%)
100Cetera Investment Advisers27,2920.03%$474K+2,060 (+8.2%)
101CANADA PENSION PLAN INVESTMENT BOARD27,0000.03%$468K—
102STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM26,7410.03%$464K+4,427 (+19.8%)
103Louisiana State Employees Retirement System25,4000.03%$441K-300 (-1.2%)
104Graham Capital Management, L.P.25,0100.03%$434KNEW
105Amundi24,8280.03%$431K-1,240 (-4.8%)
106ELEVATION POINT WEALTH PARTNERS, LLC24,7380.03%$429K+14,680 (+146.0%)
107State of Alaska, Department of Revenue23,8430.03%$412K-9,919 (-29.4%)
108NEUBERGER BERMAN GROUP LLC23,6710.03%$411K+5,212 (+28.2%)
109BLAIR WILLIAM & CO/IL23,1580.03%$402K+358 (+1.6%)
110BARD ASSOCIATES INC22,6560.03%$393K—
111Cerity Partners LLC22,1070.03%$384K+1,747 (+8.6%)
112Ashton Thomas Private Wealth, LLC22,0120.03%$382KNEW
113World Investment Advisors21,6880.03%$376KNEW
114Hennion & Walsh Asset Management, Inc.21,3970.03%$371K-4,681 (-17.9%)
115NOMURA HOLDINGS INC21,3040.03%$370KNEW
116Universal- Beteiligungs- und Servicegesellschaft mbH20,5380.03%$356K-1,020 (-4.7%)
117Engineers Gate Manager LP20,3200.02%$353K-5,410 (-21.0%)
118RAYMOND JAMES FINANCIAL INC20,1310.02%$349K-108,496 (-84.3%)
119Vanguard Global Advisers, LLC19,6910.02%$342K-9,506 (-32.6%)
120EVERGREEN CAPITAL MANAGEMENT LLC19,5800.02%$340K+65 (+0.3%)
121WEALTH ENHANCEMENT ADVISORY SERVICES, LLC19,4450.02%$333K+8,048 (+70.6%)
122Zurcher Kantonalbank (Zurich Cantonalbank)18,9770.02%$329K—
123NEW YORK STATE COMMON RETIREMENT FUND18,3890.02%$319K+6,500 (+54.7%)
124STIFEL FINANCIAL CORP16,8750.02%$293K-359 (-2.1%)
125FIFTH THIRD BANCORP16,8560.02%$292K-3,549 (-17.4%)
126Centiva Capital, LP16,8100.02%$292K-13,499 (-44.5%)
127MANUFACTURERS LIFE INSURANCE COMPANY, THE16,4960.02%$286K-98 (-0.6%)
128Police & Firemen's Retirement System of New Jersey16,1750.02%$281K—
129LPL Financial LLC16,0520.02%$279KNEW
130ARIZONA STATE RETIREMENT SYSTEM15,7500.02%$273K-1,043 (-6.2%)
131GREAT LAKES ADVISORS, LLC15,6210.02%$271K-702 (-4.3%)
132AMALGAMATED BANK15,5990.02%$271K-1,084 (-6.5%)
133STRS OHIO15,1000.02%$262KNEW
134Ethic Inc.14,9310.02%$259KNEW
135SUSQUEHANNA INTERNATIONAL GROUP, LLP14,6730.02%$255K-35,137 (-70.5%)
136YOUSIF CAPITAL MANAGEMENT, LLC14,6260.02%$254K-1,026 (-6.6%)
137TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY14,5590.02%$253K—
138OPPENHEIMER ASSET MANAGEMENT INC.13,8170.02%$240KNEW
139INTECH INVESTMENT MANAGEMENT LLC13,7900.02%$239K-1,249 (-8.3%)
140COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS13,7370.02%$238K-580 (-4.1%)
141PNC Financial Services Group, Inc.13,4980.02%$234K+1,926 (+16.6%)
142GAMMA Investing LLC13,3880.02%$232K+2,979 (+28.6%)
143Vanguard Investments Australia, Ltd.13,3220.02%$231K—
144CAXTON ASSOCIATES LLP13,3070.02%$231KNEW
145State of Tennessee, Department of Treasury13,1650.02%$228K—
146OREGON PUBLIC EMPLOYEES RETIREMENT FUND13,1320.02%$228K-100 (-0.8%)
147KLP KAPITALFORVALTNING AS13,1000.02%$227K—
148IEQ CAPITAL, LLC12,9170.02%$224K-3,055 (-19.1%)
149Canvas Wealth Advisors, LLC12,6730.02%$220K-60,942 (-82.8%)
150FARMERS & MERCHANTS INVESTMENTS INC12,0390.01%$209K—
151Granite Investment Partners, LLC11,9160.01%$207K+1,110 (+10.3%)
152NewEdge Wealth, LLC11,8390.01%$205KNEW
153Vestmark Advisory Solutions, Inc.11,8390.01%$205KNEW
154Procyon Advisors, LLC11,7200.01%$203KNEW
155Vise Technologies, Inc.11,6350.01%$202K+280 (+2.5%)
156VOYA INVESTMENT MANAGEMENT LLC11,4710.01%$199KNEW
157TECTONIC ADVISORS LLC11,2280.01%$195KNEW
158Inscription Capital, LLC10,9360.01%$190K—
159Trexquant Investment LP10,6620.01%$185K-63,848 (-85.7%)
160FIRST TRUST ADVISORS LP10,0080.01%$174K-294,157 (-96.7%)
161Caption Management, LLC9,2520.01%$161KNEW
162ACADIAN ASSET MANAGEMENT LLC7,4150.01%$127K-11,870 (-61.6%)
163ROYAL BANK OF CANADA6,7340.01%$117K+4,974 (+282.6%)
164SIGNATUREFD, LLC6,2610.01%$109K+14 (+0.2%)
165NISA INVESTMENT ADVISORS, LLC5,9250.01%$103K+2,907 (+96.3%)
166Ameritas Investment Partners, Inc.5,3850.01%$93K+510 (+10.5%)
167HANTZ FINANCIAL SERVICES, INC.4,7140.01%$82K+97 (+2.1%)
168Farther Finance Advisors, LLC4,0770.00%$71K+105 (+2.6%)
169Atlantic Union Bankshares Corp4,0260.00%$70K—
170Tower Research Capital LLC (TRC)2,9500.00%$51K-3,629 (-55.2%)
171PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO2,9350.00%$51K+76 (+2.7%)
172Arax Advisory Partners2,7920.00%$48K+2,733 (+4632.2%)
173New Age Alpha Advisors, LLC2,6420.00%$46KNEW
174Salomon & Ludwin, LLC2,2290.00%$39K—
175Global Retirement Partners, LLC2,0770.00%$36KNEW
176NEW YORK STATE TEACHERS RETIREMENT SYSTEM2,0630.00%$36K-2,892 (-58.4%)
177EverSource Wealth Advisors, LLC1,2920.00%$22K-278 (-17.7%)
178Godfrey Financial Associates, Inc.1,2630.00%$22K—
179MassMutual Private Wealth & Trust, FSB1,2550.00%$22K+160 (+14.6%)
180Sterling Capital Management LLC1,1960.00%$21K-749 (-38.5%)
181Allworth Financial LP1,1240.00%$20K+35 (+3.2%)
182Pinnacle Wealth Planning Services, Inc.1,0980.00%$19K+20 (+1.9%)
183Rockefeller Capital Management L.P.1,0030.00%$17K-28 (-2.7%)
184MCF Advisors LLC9560.00%$17K+412 (+75.7%)
185Parallel Advisors, LLC9560.00%$17K+29 (+3.1%)
186JONES FINANCIAL COMPANIES LLLP7950.00%$14K+540 (+211.8%)
187BNP PARIBAS ASSET MANAGEMENT Holding S.A.7840.00%$14K-55 (-6.6%)
188Essential Partners LLC7720.00%$13K-14 (-1.8%)
189BARROW HANLEY MEWHINNEY & STRAUSS LLC7670.00%$13K-185 (-19.4%)
190HUNTINGTON NATIONAL BANK7430.00%$13K+742 (+74200.0%)
191Anchor Investment Management, LLC7320.00%$13KNEW
192MEEDER ASSET MANAGEMENT INC5770.00%$10KNEW
193SJS Investment Consulting Inc.4930.00%$9K+490 (+16333.3%)
194High Note Wealth, LLC4390.00%$8K+176 (+66.9%)
195Versant Capital Management, Inc3820.00%$7K—
196City State Bank3500.00%$6K—
197OSAIC HOLDINGS, INC.3420.00%$6K—
198Optiver Holding B.V.3300.00%$6K+200 (+153.8%)
199UMB Bank, n.a.2590.00%$4K+22 (+9.3%)
200OAKWORTH CAPITAL, INC.2500.00%$4K—
201Private Wealth Management Group, LLC2430.00%$4K—
202ROTHSCHILD INVESTMENT LLC2230.00%$4K+34 (+18.0%)
203Kilter Group LLC1900.00%$3K—
204Quarry LP1480.00%$3KNEW
205Avion Wealth1480.00%$2K—
206True Wealth Design, LLC1470.00%$3K-6 (-3.9%)
207Steward Partners Investment Advisory, LLC1400.00%$2KNEW
208Fortitude Family Office, LLC1200.00%$2K+8 (+7.1%)
209POM Investment Strategies, LLC1130.00%$2K—
210Valued Wealth Advisors LLC1020.00%$2KNEW
211Physician Wealth Advisors, Inc.1020.00%$2K—
212Rialto Wealth Management, LLC990.00%$2K—
213Pacer Advisors, Inc.870.00%$2K+11 (+14.5%)
214Clearstead Advisors, LLC720.00%$1KNEW
215Transamerica Financial Advisors, LLC680.00%$1K+32 (+88.9%)
216Cornerstone Planning Group LLC560.00%$970—
217Bare Financial Services, Inc510.00%$885—
218WPG Advisers, LLC480.00%$833—
219ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/460.00%$798—
220Keating Financial Advisory Services, Inc.450.00%$781—
221IFP Advisors, Inc430.00%$746-13 (-23.2%)
222Covestor Ltd410.00%$1K-4 (-8.9%)
223Caitong International Asset Management Co., Ltd330.00%$573+11 (+50.0%)
224GILPIN WEALTH MANAGEMENT, LLC260.00%$452—
225Ankerstar Wealth, LLC210.00%$364—
226Parkside Financial Bank & Trust200.00%$347—
227Plante Moran Financial Advisors, LLC170.00%$295NEW
228SBI Securities Co., Ltd.120.00%$208—
229JFS WEALTH ADVISORS, LLC120.00%$209NEW
230Davis Capital Management30.00%$52NEW
Exited since 2026-03-31 (35 filers; largest 25 shown)
4D Advisors, LLC−350,000
VOLORIDGE INVESTMENT MANAGEMENT, LLC−159,568
HRT FINANCIAL LP−142,910
Numerai GP LLC−88,533
JANE STREET GROUP, LLC−60,648
Harber Asset Management LLC−45,342
Brooklyn Investment Group−45,311
Squarepoint Ops LLC−44,495
Voleon Capital Management LP−41,680
Point72 Asset Management, L.P.−35,730
D. E. Shaw & Co., Inc.−32,322
VARCOV Co.−30,108
JANUS HENDERSON GROUP PLC−27,758
FOX RUN MANAGEMENT, L.L.C.−17,163
Balyasny Asset Management L.P.−14,291
Magnetar Financial LLC−13,270
iSAM Funds (UK) Ltd−12,879
Polymer Capital Management (US) LLC−12,607
Aquatic Capital Management LLC−11,379
CWM, LLC−11,182
Brevan Howard Capital Management LP−11,011
VICTORY CAPITAL MANAGEMENT INC−10,204
QUADRANT CAPITAL GROUP LLC−9,129
State of Wyoming−5,150
Independence Bank of Kentucky−2,536

Large holders from 13D/13G (latest per reporting person, last 2 years)

Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.

Reporting personFormFiledEventShares% of class
Nuance Investments LLCSCHEDULE 13G/A2026-07-062026-04-1004.9%
The Vanguard GroupSCHEDULE 13G/A2026-01-302025-12-314,013,7534.92%
Dimensional Fund Advisors LPSCHEDULE 13G/A2026-01-212025-12-314,855,7376%
Victory Capital Management, Inc.SCHEDULE 13G/A2025-08-082025-06-303,184,8143.91%

Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.