Stock Ownership/MRTN

MARTEN TRANS LTD (MRTN): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MRTN · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
10
13F filers
Aggregate Value
$73.8M
Across holders
Last Price
$14.67
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity7 increased3 reduced7 exited
Full exits: VOLORIDGE INVESTMENT MANAGEMENT, LLC, Point72 Asset Management, L.P., BALYASNY ASSET MANAGEMENT LLC, Squarepoint Ops LLC, Magnetar Financial LLC, SHAW D E & CO INC, Brevan Howard Capital Management LP
Institutional Holders of MRTN
↗
10 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund1.83M$31.8M43.0%0.0%Added+$7.0MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund920K$16.0M21.6%0.0%Added+$4.2MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund722K$12.5M17.0%0.0%Added+$10.7MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund395K$6.9M9.3%0.0%Added+$6.5MQ2 2026
Verition Fund Management LLC
CIK 0001454027
Hedge Fund124K$2.2M2.9%0.0%Reduced$-564KQ2 2026
Hudson Bay Capital Management LP
CIK 0001393825
Hedge Fund107K$1.9M2.5%0.0%Reduced$-1.7MQ2 2026
Fulcrum Asset Management LLP
CIK 0001353395
Hedge Fund86K$1.5M2.0%0.1%Added—Q2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund55K$962K1.3%0.0%Added—Q2 2026
CAXTON ASSOCIATES LLP
CIK 0002051323
Hedge Fund13K$231K0.3%0.0%Added—Q2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund1K$17K0.0%0.0%Reduced$-9KQ2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$31.8M· 43.0% of total· 0.0% port· 1.83M sh· +$7.0M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$16.0M· 21.6% of total· 0.0% port· 920K sh· +$4.2M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$12.5M· 17.0% of total· 0.0% port· 722K sh· +$10.7M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$6.9M· 9.3% of total· 0.0% port· 395K sh· +$6.5M QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$2.2M· 2.9% of total· 0.0% port· 124K sh· $-564K QoQ· Q2 2026
Hudson Bay Capital Management LPReduced
Hedge Fund
$1.9M· 2.5% of total· 0.0% port· 107K sh· $-1.7M QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$1.5M· 2.0% of total· 0.1% port· 86K sh· — QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$962K· 1.3% of total· 0.0% port· 55K sh· — QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$231K· 0.3% of total· 0.0% port· 13K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$17K· 0.0% of total· 0.0% port· 1K sh· $-9K QoQ· Q2 2026
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