Latest Period
Q4 2025
- Info
- Insider Trading
- Financials
- Holders
Security Snapshot
MNTN, Inc. - Class A Common Stock, par value $0.0001 per share (MNTN) Institutional Ownership
CUSIP: 55318A108
13F Institutional Holders and Ownership History from Q2 2025 to Q1 2026
Institutions Reporting
95
Shares (Excl. Options)
24,386,570
Price
$11.94
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- Type / Class
- Equity / Class A Common Stock, par value $0.0001 per share
- Symbol
- MNTN on NYSE
- Shares outstanding
- 53,856,775
- 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, par value $0.0001 per share 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 2 between Q4 2025 and Q1 2026.
- Reported value moved from $291,194,293 to $2,411.
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
Open SEC Evidence
Latest holder context comes from 95 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 55318A108?
CUSIP 55318A108 identifies MNTN - MNTN, Inc. - Class A Common Stock, par value $0.0001 per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 55318A108:
Significant Owners of MNTN, Inc. - Class A Common Stock, par value $0.0001 per share (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 | 6.4% | -29% | $33,706,226 | -$17,198,615 | 2,822,967 | -34% | FMR LLC | 31 Dec 2025 |
| 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, par value $0.0001 per share (MNTN). This represents 45% of the company’s total 53,856,775 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of MNTN, Inc. - Class A Common Stock, par value $0.0001 per share (MNTN) together control 40% 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 | 11% | 5,730,723 | +7.2% | 0.01% | $68,424,833 |
| FMR LLC | 5.2% | 2,822,967 | -22% | 0% | $33,706,226 |
| BlackRock, Inc. | 4.4% | 2,345,378 | +41% | 0% | $28,003,814 |
| GREYCROFT LP | 3.8% | 2,061,643 | 0% | 16% | $24,616,017 |
| Bienville Capital Management, LLC | 1.7% | 919,052 | +49% | 1.7% | $10,973,481 |
| FEDERATED HERMES, INC. | 1.3% | 680,000 | +4.6% | 0.01% | $8,119,200 |
| AMERIPRISE FINANCIAL INC | 1.3% | 675,936 | +108% | 0% | $8,070,679 |
| VANGUARD GROUP INC | 1.1% | 596,874 | -3.9% | 0% | $7,126,676 |
| JANE STREET GROUP, LLC | 1.1% | 591,868 | 0.01% | $7,066,904 | |
| CITADEL ADVISORS LLC | 1% | 552,156 | +130% | 0% | $6,592,742 |
| Qube Research & Technologies Ltd | 0.89% | 479,382 | +2188% | 0.01% | $5,723,821 |
| BNP PARIBAS FINANCIAL MARKETS | 0.87% | 470,699 | 0% | 0% | $5,620,146 |
| RENAISSANCE TECHNOLOGIES LLC | 0.85% | 459,189 | +279% | 0.01% | $5,482,717 |
| MILLENNIUM MANAGEMENT LLC | 0.73% | 392,532 | +57% | 0% | $4,686,832 |
| Mariner, LLC | 0.67% | 360,599 | 0.01% | $4,305,552 | |
| JPMORGAN CHASE & CO | 0.64% | 343,513 | +7337% | 0% | $4,101,545 |
| UBS Group AG | 0.54% | 288,267 | +142% | 0% | $3,441,908 |
| BANK OF MONTREAL /CAN/ | 0.53% | 287,690 | +15% | 0% | $3,435,019 |
| GOLDMAN SACHS GROUP INC | 0.45% | 240,603 | -22% | 0% | $2,872,800 |
| Liontrust Investment Partners LLP | 0.42% | 224,071 | -32% | 0.04% | $2,675,408 |
| MANCHESTER FINANCIAL INC | 0.37% | 200,000 | 0.45% | $2,388,000 | |
| Freestone Grove Partners LP | 0.37% | 199,621 | -12% | 0.02% | $2,383,475 |
| Point72 Asset Management, L.P. | 0.37% | 199,179 | 0% | $2,378,197 | |
| Trexquant Investment LP | 0.33% | 176,491 | 0.02% | $2,107,303 | |
| TWO SIGMA INVESTMENTS, LP | 0.29% | 158,598 | 0% | $1,893,660 |