MNTN Inc. Class AMNTN
13F holders, Q3 2025 (September 30)76holders +17
40new positions
23sold out
6famous investors
$18.55avg. 13F price*
At the end of Q3 2025, 76 institutions reported holding MNTN Inc. Class A (MNTN) in their 13F filings, up 17 from Q2 2025. 40 opened new positions and 23 sold out. The largest holders were Wellington Management Group LLP ($99.2M), FMR LLC ($67.0M) and Greycroft LP ($38.2M). 6 famous investors held it, including George Soros (0.1% of Soros Fund Management's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- MNTN Inc. Class A
- CUSIP
- 55318A108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 40 | $45.3M |
| Exits | 23 | $93.2M |
All 13F filers, Q2 2025 → Q3 2025: 5,853,886 shares bought and 6,250,825 shares sold, net −396,939 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 76 holders
| Wellington Management Group LLP | 0.02% | Add +67.8% | 5,345,302 | $99.2M |
| FMR LLC | 0.00% | Reduce -15.3% | 3,610,527 | $67.0M |
| Greycroft LP | 33.94% | No change | 2,061,643 | $38.2M |
| BlackRock, Inc. | 0.00% | Reduce -12.0% | 1,665,330 | $30.9M |
| Federated Hermes, Inc. | 0.02% | Add +23.8% | 650,000 | $12.1M |
| Vanguard Group Inc. | 0.00% | Add +787.7% | 621,392 | $11.5M |
| Bienville Capital Management, LLC | 2.17% | New | 615,147 | $11.4M |
| Liontrust Investment Partners LLP | 0.09% | Add +127.9% | 330,400 | $6.1M |
| Ameriprise Financial Inc. | 0.00% | Reduce -63.5% | 324,629 | $6.0M |
| Goldman Sachs Group Inc. | 0.00% | Add +21.3% | 306,730 | $5.7M |
| Captrust Financial Advisors | 0.01% | New | 280,597 | $5.2M |
| Bank of Montreal | 0.00% | Add +23.8% | 250,854 | $4.7M |
| Millennium Management | 0.00% | Add +7.6% | 249,340 | $4.6M |
| Citadel Advisors | 0.00% | Reduce -25.1% | 239,826 | $4.4M |
| Pier Capital, LLC | 0.66% | New | 226,997 | $4.2M |
| Freestone Grove Partners LP | 0.03% | Add +84.2% | 226,102 | $4.2M |
| Lord, Abbett & Co. LLC | 0.01% | Reduce -48.9% | 212,724 | $3.9M |
| BNP Paribas Financial Markets | 0.00% | New | 163,775 | $3.0M |
| Morgan Stanley | 0.00% | Reduce -25.3% | 149,327 | $2.8M |
| S Squared Technology, LLC | 0.96% | New | 135,600 | $2.5M |
| Soros Fund Management | 0.05% | Add +28.6% | 128,560 | $2.4M |
| Raymond James Financial Inc. | 0.00% | Add +27.8% | 123,332 | $2.3M |
| Geode Capital Management, LLC | 0.00% | New | 121,183 | $2.2M |
| Renaissance Technologies | 0.00% | New | 121,000 | $2.2M |
| UBS Group AG | 0.00% | Reduce -29.5% | 119,049 | $2.2M |
| Tudor Investment Corporation | 0.01% | Add +63.7% | 114,571 | $2.1M |
| Burkehill Global Management, LP | 0.11% | No change | 100,000 | $1.9M |
| Ghisallo Capital Management LLC | 0.06% | No change | 100,000 | $1.9M |
| Schonfeld Strategic Advisors LLC | 0.01% | Reduce -16.6% | 82,135 | $1.5M |
| Alyeska Investment Group, L.P. | 0.00% | Reduce -50.5% | 73,600 | $1.4M |
| Charles Schwab Investment Management Inc. | 0.00% | New | 70,252 | $1.3M |
| Teachers Retirement System of the State of Kentucky | 0.01% | New | 63,084 | $1.2M |
| Engineers Gate Manager LP | 0.01% | New | 59,824 | $1.1M |
| State Street Corp. | 0.00% | New | 57,003 | $1.1M |
| Uniplan Investment Counsel, Inc. | 0.10% | New | 53,686 | $996K |
| Zazove Associates LLC | 2.09% | New | 50,000 | $928K |
| Seven Grand Managers, LLC | 0.08% | Add +104.1% | 50,000 | $928K |
| Dakota Wealth Management | 0.02% | New | 50,000 | $928K |
| Walleye Capital LLC | 0.01% | Add +25.0% | 50,000 | $928K |
| Jump Financial, LLC | 0.01% | New | 49,100 | $911K |
| Fortress Investment Group LLC | 0.12% | Reduce -56.1% | 48,613 | $902K |
| P.A.W. Capital Corp. | 1.34% | New | 40,000 | $742K |
| Concurrent Investment Advisors, LLC | 0.01% | Add +62.2% | 36,500 | $677K |
| Jennison Associates LLC | 0.00% | New | 28,885 | $536K |
| Swiss National Bank | 0.00% | New | 27,300 | $506K |
| Counterpoint Mutual Funds LLC | 0.04% | New | 27,023 | $501K |
| Northern Trust Corp. | 0.00% | New | 25,755 | $478K |
| Dark Forest Capital Management LP | 0.02% | New | 24,996 | $464K |
| Jacobs Levy Equity Management, Inc. | 0.00% | New | 21,280 | $395K |
| Qube Research & Technologies Ltd | 0.00% | New | 20,948 | $389K |
| Tiger Global Management | 0.00% | No change | 20,000 | $371K |
| Wolverine Trading, LLC | 0.01% | New | 16,720 | $312K |
| Cary Street Partners Financial LLC | 0.01% | New | 15,745 | $292K |
| Claro Advisors Inc. | 0.04% | Reduce -1.0% | 15,200 | $282K |
| Man Group plc | 0.00% | New | 14,898 | $276K |
| Legal & General Group Plc | 0.00% | Add +2787.1% | 13,396 | $248K |
| Integrated Wealth Concepts LLC | 0.00% | New | 11,023 | $204K |
| California State Teachers Retirement System | 0.00% | New | 10,604 | $197K |
| AMH Equity Ltd | 0.23% | New | 10,000 | $186K |
| Quantbot Technologies LP | 0.00% | New | 9,150 | $170K |
| Bank of America Corp. | 0.00% | Add +622300.0% | 6,224 | $115K |
| JPMorgan Chase & Co. | 0.00% | New | 4,619 | $86K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 4,000 | $74K |
| Citigroup Inc. | 0.00% | New | 2,977 | $55K |
| KLP Kapitalforvaltning As | 0.00% | New | 2,900 | $54K |
| Wells Fargo & Company | 0.00% | New | 2,400 | $45K |
| Acadian Asset Management LLC | 0.00% | New | 2,370 | $43K |
| US Bancorp \de | 0.00% | Reduce -59.3% | 2,251 | $42K |
| Osaic Holdings, Inc. | 0.00% | New | 1,690 | $34K |
| Western Pacific Wealth Management, LP | 0.02% | New | 1,000 | $19K |
| Jones Financial Companies LLLP | 0.00% | New | 950 | $17K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +240.0% | 544 | $10K |
| Barclays PLC | 0.00% | New | 382 | $7K |
| Royal Bank of Canada | 0.00% | Reduce -86.6% | 267 | $5K |
| Clearstead Advisors, LLC | 0.00% | New | 80 | $1K |
| Quarry LP | 0.00% | Reduce -98.4% | 53 | $983 |
"% of holder's portfolio" is MNTN's weight in each manager's 13F, not the share of MNTN Inc. Class A the manager owns.