Security Snapshot

MNTN, Inc. - CLASS A COMMON STOCK (MNTN) Institutional Ownership

CUSIP: 55318A108

13F Institutional Holders and Ownership History from Q2 2025 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

95

Shares (Excl. Options)

24,386,570

Price

$11.94

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Type / Class
Equity / CLASS A COMMON STOCK
Symbol
MNTN on NYSE
Shares outstanding
56,498,480
Price per share
$8.80
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
24,386,570
Total reported value
$291,194,293
% of total 13F portfolios
0%
Share change
+4,308,002
Value change
+$43,789,622
Number of holders
95
Price from insider filings
$8.80
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • MNTN - MNTN, Inc. - CLASS A COMMON STOCK is tracked under CUSIP 55318A108.
  • 95 institutions reported positions in Q4 2025.
  • 11 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 95 to 18 between Q4 2025 and Q1 2026.
  • Reported value moved from $291,194,293 to $20,233,369.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 95 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 55318A108?
CUSIP 55318A108 identifies MNTN - MNTN, Inc. - CLASS A COMMON STOCK in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of MNTN, Inc. - CLASS A COMMON STOCK (MNTN) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Douglas Mark Steven 18% $91,551,132 9,586,506 Mark Douglas 30 Jun 2025
Baroda Ventures LLC 12% $140,933,058 6,711,098 Baroda Ventures LLC 30 Jun 2025
Mercato Partners Growth III GP, LLC 13% $129,528,462 6,168,022 Mercato Partners Growth III GP, LLC 30 Jun 2025
WELLINGTON MANAGEMENT GROUP LLP 13% +10% $68,424,833 +$6,767,676 5,730,723 +11% Wellington Management Group LLP 31 Dec 2025
QUALCOMM INC/DE 9.6% $112,121,257 5,126,715 QUALCOMM Incorporated 30 Jun 2025
MGD Holdings 8% $87,234,861 4,154,041 MGD Holdings 30 Jun 2025
Rincon Venture Partners, LLC 6.8% $73,162,467 3,483,927 James Michael Andelman 30 Jun 2025
Peak Investment Holdings, LLC 7.1% $64,626,282 3,077,442 Peak Investment Holdings, LLC 30 Jun 2025
FMR LLC 5% -23% $24,859,331 +$17,222 2,824,924 +0.07% FMR LLC 31 Mar 2026
Greycroft Partners II, L.P. 5.4% $52,122,924 2,482,044 Greycroft Partners II, L.P. 30 Jun 2025
WELLINGTON TRUST Co N A 5.5% $44,726,350 2,411,124 Wellington Trust Company, NA 30 Sep 2025

As of 31 Dec 2025, 95 institutional investors reported holding 24,386,570 shares of MNTN, Inc. - CLASS A COMMON STOCK (MNTN). This represents 43% of the company’s total 56,498,480 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of MNTN, Inc. - CLASS A COMMON STOCK (MNTN) together control 38% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
WELLINGTON MANAGEMENT GROUP LLP 10% 5,730,723 +7.2% 0.01% $68,424,833
FMR LLC 5% 2,822,967 -22% 0% $33,706,226
BlackRock, Inc. 4.2% 2,345,378 +41% 0% $28,003,814
GREYCROFT LP 3.6% 2,061,643 0% 16% $24,616,017
Bienville Capital Management, LLC 1.6% 919,052 +49% 1.7% $10,973,481
FEDERATED HERMES, INC. 1.2% 680,000 +4.6% 0.01% $8,119,200
AMERIPRISE FINANCIAL INC 1.2% 675,936 +108% 0% $8,070,679
VANGUARD GROUP INC 1.1% 596,874 -3.9% 0% $7,126,676
JANE STREET GROUP, LLC 1% 591,868 0.01% $7,066,904
CITADEL ADVISORS LLC 0.98% 552,156 +130% 0% $6,592,742
Qube Research & Technologies Ltd 0.85% 479,382 +2188% 0.01% $5,723,821
BNP PARIBAS FINANCIAL MARKETS 0.83% 470,699 0% 0% $5,620,146
RENAISSANCE TECHNOLOGIES LLC 0.81% 459,189 +279% 0.01% $5,482,717
MILLENNIUM MANAGEMENT LLC 0.69% 392,532 +57% 0% $4,686,832
Mariner, LLC 0.64% 360,599 0.01% $4,305,552
JPMORGAN CHASE & CO 0.61% 343,513 +7337% 0% $4,101,545
UBS Group AG 0.51% 288,267 +142% 0% $3,441,908
BANK OF MONTREAL /CAN/ 0.51% 287,690 +15% 0% $3,435,019
GOLDMAN SACHS GROUP INC 0.43% 240,603 -22% 0% $2,872,800
Liontrust Investment Partners LLP 0.4% 224,071 -32% 0.04% $2,675,408
MANCHESTER FINANCIAL INC 0.35% 200,000 0.45% $2,388,000
Freestone Grove Partners LP 0.35% 199,621 -12% 0.02% $2,383,475
Point72 Asset Management, L.P. 0.35% 199,179 0% $2,378,197
Trexquant Investment LP 0.31% 176,491 0.02% $2,107,303
TWO SIGMA INVESTMENTS, LP 0.28% 158,598 0% $1,893,660

Institutional Holders of MNTN, Inc. - CLASS A COMMON STOCK (MNTN) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 2,296,515 $20,233,369 -$2,452,810 $8.80 18
2025 Q4 24,386,570 $291,194,293 +$43,789,622 $11.94 95
2025 Q3 19,773,364 $366,799,818 -$24,543,335 $18.55 76
2025 Q2 20,170,303 $441,125,328 +$439,997,788 $21.87 59
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