13F Insight
DOSSIER · 13F Holders · Q4 2025CyclicalNet sold
MNTN

MNTN INC

99 institutions still hold MNTN INC as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 55318A108·99 13F holders·last filed Dec 31, 2025
Market cap
—
▲ 9.2%
vs prior quarter
13F value held
$344M
63.0% inst. owned
of float
Holders
99
+78 QoQ
filers reporting
Activity
+25 / −64
+958 added · −842 reduced
this quarter
Concentration
33.30%
Mercato Partners Growth III GP, LLC #1
top holder share
AI Holders Summary · Q4 2025

99 institutions reported MNTN in Q4 2025. Mercato Partners Growth III GP, LLC leads at 33.3% of the visible book. +78 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Mercato Partners Growth III GP, LLC
CIK 0002060676
$114M6.2M100.00%Q4 202502
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$55M6.2M0.01%Q1 202603
Mercato Management Legacy, LLC
CIK 0002113675
$54M6.2M100.00%Q1 202604
FMR LLC
CIK 0000315066
$25M2.8M0.00%Q1 202605
Greycroft LP
CIK 0001910274
$18M2.1M12.40%Q1 202606
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$13M1.4M0.00%Q1 202607
CITADEL ADVISORS LLC
CIK 0001423053
$9M769K0.00%Q4 202508
Qube Research & Technologies Ltd
CIK 0001729829
$7M784K0.01%Q1 202609
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$6M726K0.00%Q1 202610
FEDERATED HERMES, INC.
CIK 0001056288
$6M690K0.01%Q1 202611
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$6M646K0.01%Q1 202612
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$6M632K0.00%Q1 202613
AMERICAN FINANCIAL GROUP INC
CIK 0001042046
$5M580K1.89%Q1 202614
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$4M484K0.00%Q1 202615
Mariner, LLC
CIK 0001373442
$3M361K0.00%Q1 202616
Proem Advisors LLC
CIK 0001842526
$3M325K0.17%Q1 202617
Trexquant Investment LP
CIK 0001633445
$2M282K0.02%Q1 202618
Man Group plc
CIK 0001637460
$2M269K0.00%Q1 202619
BlackRock, Inc.
CIK 0002012383
$2M262K0.00%Q1 202620
Militia Capital Management LLC
CIK 0002130487
$2M260K0.52%Q1 2026
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