Marten Transport Ownership | Who Owns Marten Transport?

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Marten Transport Ownership Summary

Marten Transport is owned by 47.30% institutional investors, 29.32% insiders, and 23.38% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 11.97% of MRTN shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 4.33% of its assets in Marten Transport shares.

MRTN Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Marten Transport	47.30%	29.32%	23.38%
Sector	Industrials Stocks	49.28%	15.95%	34.77%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	9.76M	11.97%	$128.15M
Blackrock	8.89M	10.93%	$164.08M
Dimensional fund advisors lp	4.89M	6.00%	$64.25M
Nuance investments	4.81M	5.90%	$63.16M
Vanguard group	4.01M	4.92%	$45.68M
American century companies	2.62M	3.21%	$34.40M
State street	2.60M	3.19%	$34.11M
Fmr	1.77M	2.17%	$23.23M
Geode capital management	1.47M	1.80%	$19.28M
Two sigma investments, lp	1.43M	1.75%	$18.77M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Nuance investments	4.81M	8.81%	$63.16M
4d advisors	350.00K	2.91%	$4.60M
Stanley-laman group	270.44K	0.48%	$4.69M
Ausbil investment management	56.44K	0.45%	$984.84K
Next century growth investors	418.37K	0.40%	$5.49M
Harber asset management	45.34K	0.38%	$595.34K
Wealthedge investment advisors	71.71K	0.29%	$764.40K
Heartland advisors	350.00K	0.23%	$4.60M
Deprince race & zollo	767.69K	0.19%	$10.08M
Entrypoint capital	39.00K	0.15%	$512.08K

Top Buyers

Holder	Shares	% Assets	Change
Fmr	1.77M	0.00%	1.11M
Royce & associates lp	980.21K	0.13%	700.21K
Two sigma investments, lp	1.43M	0.02%	567.13K
Next century growth investors	418.37K	0.40%	418.37K
Vanguard fiduciary trust	380.06K	0.00%	380.06K

Top Sellers

Holder	Shares	% Assets	Change
Geneva capital management	-	-	-1.87M
Nuance investments	4.81M	8.81%	-1.46M
William blair investment management	-	-	-1.32M
Loomis sayles & co l p	-	-	-914.86K
Boston partners	1.05M	0.02%	-650.67K

New Positions

Holder	Shares	% Assets	Change	Value
Next century growth investors	418.37K	0.40%	418.37K	$5.49M
Vanguard fiduciary trust	380.06K	0.00%	380.06K	$4.99M
4d advisors	350.00K	2.91%	350.00K	$4.60M
Norges bank	135.90K	0.00%	135.90K	$2.12M
Castleknight management lp	108.40K	0.02%	108.40K	$1.42M

Sold Out

Holder	Change
Mendota financial group	-3.00
Amundi	-3.00
Allspring global investments	-10.00
Nelson, van denburg & campbell wealth management group	-11.00
Sound income strategies	-11.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	161	-21.08%	38,557,321	-32.27%	47	0.97%	91	-18.02%	35	-53.33%
Dec 31, 2025	153	-29.82%	47,442,858	-14.95%	58	1.24%	80	-37.98%	57	-12.31%
Sep 30, 2025	213	-2.74%	55,713,525	-2.99%	68	1.38%	125	4.17%	64	-3.03%
Jun 30, 2025	212	6.53%	57,105,640	-0.93%	70	1.40%	116	18.37%	65	-1.52%
Mar 31, 2025	199	-0.50%	57,805,092	0.46%	70	1.42%	99	-10.00%	66	13.79%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	3.53M	4.33%	304.00
Victory Small Cap Value CIT (Net 75)	3.06M	3.75%	68.00K
Nuance Mid Cap Value Separate Account	2.82M	3.46%	-995.38K
Avantis US Small Cap Value ETF	2.38M	2.92%	-5.45K
Victory Sycamore Small Company Opp R	2.34M	2.87%	-735.00K
Vanguard US Total Market Shares ETF	1.80M	2.21%	-
Vanguard Morn Total Stk Mkt Idx Investor	1.80M	2.21%	-
Vanguard Total Stock Mkt Idx Inv	1.80M	2.21%	-
Fidelity Small Cap Value Fund	1.66M	2.03%	324.13K
iShares Russell 2000 ETF	1.53M	1.87%	16.56K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 28, 2025	BAUER JERRY M	-	Buy	$257.66K
Oct 30, 2024	BAUER JERRY M	-	Buy	$158.05K
Jul 25, 2024	Phillips Adam Daniel	EVP & Chief Operating Officer	Sell	$82.54K
Jun 12, 2024	Petit Douglas Paul	President	Sell	$82.00K
Mar 20, 2023	WINKEL THOMAS J	-	Sell	$106.92K

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	-
2026 Q2	-	-
2026 Q1	-	-
2025 Q4	-	-
2025 Q3	-	-

MRTN Ownership FAQ

Who owns the most shares of Marten Transport?

Marten Transport’s largest shareholders are Blackrock funding, inc. /de (9.76M shares, 11.97%), Blackrock (8.89M shares, 10.93%), and Dimensional fund advisors lp (4.89M shares, 6.00%). Together, they hold 28.91% of Marten Transport’s total shares outstanding.

Does Blackrock own Marten Transport?

Yes, BlackRock owns 10.93% of Marten Transport, totaling 8.89M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 164.08M$. In the last quarter, BlackRock decreased its holdings by -315K shares, a -3.42% change.

Who is Marten Transport’s biggest shareholder by percentage of total assets invested?

Nuance investments is Marten Transport’s biggest shareholder by percentage of total assets invested, with 8.81% of its assets in 4.81M Marten Transport shares, valued at 63.16M$.

Who is the top mutual fund holder of Marten Transport shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of Marten Transport shares, with 4.33% of its total shares outstanding invested in 3.53M Marten Transport shares.

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