MNTN Inc. Class AMNTN
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 95 institutions reported holding MNTN Inc. Class A (MNTN) in their 13F filings, down 1 from Q4 2025. 24 opened new positions and 28 sold out. The largest holders were Wellington Management Group LLP ($54.6M), Mercato Management Legacy, LLC ($54.3M) and FMR LLC ($24.9M). 7 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- MNTN Inc. Class A
- CUSIP
- 55318A108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 24 | $17.3M |
| Exits | 28 | $39.2M |
All 13F filers, Q4 2025 → Q1 2026: 4,895,294 shares bought and 6,631,168 shares sold, net −1,735,874 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 95 holders
| Wellington Management Group LLP | 0.01% | Add +8.3% | 6,209,188 | $54.6M |
| Mercato Management Legacy, LLC | 100.00% | — | 6,168,022 | $54.3M |
| FMR LLC | 0.00% | Add +0.1% | 2,824,924 | $24.9M |
| Greycroft LP | 12.40% | No change | 2,061,643 | $18.1M |
| Vanguard Capital Management LLC | 0.00% | — | 1,437,385 | $12.6M |
| Qube Research & Technologies Ltd | 0.01% | Add +63.5% | 783,760 | $6.9M |
| Federated Hermes, Inc. | 0.01% | Add +1.5% | 690,000 | $6.1M |
| Renaissance Technologies | 0.01% | Add +40.7% | 646,217 | $5.7M |
| Millennium Management | 0.00% | Add +61.0% | 632,097 | $5.6M |
| Citadel Advisors | 0.00% | Add +14.2% | 630,719 | $5.6M |
| American Financial Group Inc. | 1.89% | New | 579,683 | $5.1M |
| Susquehanna International Group, LLP | 0.01% | Add +1033.9% | 505,338 | $4.4M |
| BNP Paribas Financial Markets | 0.00% | Add +2.9% | 484,294 | $4.3M |
| D. E. Shaw & Co. | 0.00% | New | 476,087 | $4.2M |
| Mariner, LLC | 0.00% | Add +0.2% | 361,290 | $3.2M |
| Proem Advisors LLC | 0.95% | New | 325,441 | $2.9M |
| Trexquant Investment LP | 0.02% | Add +60.0% | 282,469 | $2.5M |
| Marshall Wace, LLP | 0.00% | Add +749.6% | 281,112 | $2.5M |
| Man Group plc | 0.01% | Add +114.5% | 268,814 | $2.4M |
| Militia Capital Management LLC | 0.53% | — | 268,387 | $2.4M |
| BlackRock, Inc. | 0.00% | Reduce -88.8% | 261,805 | $2.3M |
| Balyasny Asset Management L.P. | 0.00% | New | 210,235 | $1.9M |
| Point72 Asset Management | 0.00% | Add +3.2% | 205,620 | $1.8M |
| Manchester Financial Inc. | 0.34% | No change | 200,000 | $1.8M |
| UBS Group AG | 0.00% | Reduce -40.5% | 171,627 | $1.5M |
| Uniplan Investment Counsel, Inc. | 0.15% | Add +62.8% | 160,451 | $1.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -52.7% | 162,376 | $1.4M |
| Engineers Gate Manager LP | 0.02% | Add +456.5% | 151,571 | $1.3M |
| Zazove Associates LLC | 2.40% | Add +18.7% | 150,322 | $1.3M |
| Teachers Retirement System of the State of Kentucky | 0.01% | Add +95.6% | 145,491 | $1.3M |
| Geode Capital Management, LLC | 0.00% | Add +18.8% | 144,746 | $1.3M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -41.2% | 141,432 | $1.2M |
| Morgan Stanley | 0.00% | Add +0.3% | 140,808 | $1.2M |
| Victory Capital Management Inc. | 0.00% | Add +62.0% | 104,052 | $916K |
| Burkehill Global Management, LP | 0.05% | No change | 100,000 | $880K |
| Raymond James Financial Inc. | 0.00% | Add +20.4% | 98,457 | $866K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 87,771 | $772K |
| Pacer Advisors, Inc. | 0.00% | New | 87,580 | $771K |
| Brevan Howard Capital Management LP | 0.01% | Add +382.4% | 70,007 | $616K |
| Barclays PLC | 0.00% | Add +570.6% | 62,540 | $550K |
| Jump Financial, LLC | 0.01% | Reduce -53.8% | 62,170 | $547K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.8% | 60,665 | $534K |
| Bank of America Corp. | 0.00% | Reduce -52.5% | 60,348 | $531K |
| Acadian Asset Management LLC | 0.00% | Add +1088.6% | 55,995 | $490K |
| Tudor Investment Corporation | 0.00% | Reduce -25.5% | 52,270 | $460K |
| X-Square Capital, LLC | 0.15% | New | 52,000 | $458K |
| Schonfeld Strategic Advisors LLC | 0.00% | Add +157.9% | 51,674 | $455K |
| Dakota Wealth Management | 0.01% | No change | 50,000 | $440K |
| State Street Corp. | 0.00% | No change | 48,475 | $427K |
| Citigroup Inc. | 0.00% | Add +156.2% | 48,292 | $425K |
| HighTower Advisors, LLC | 0.00% | New | 45,800 | $403K |
| HSBC Holdings PLC | 0.00% | Add +45.4% | 18,311 | $380K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Add +194.8% | 42,224 | $372K |
| Magnetar Financial LLC | 0.00% | New | 42,210 | $371K |
| Vanguard Portfolio Management LLC | 0.00% | — | 42,158 | $371K |
| Compound Planning, Inc. | 0.01% | No change | 40,000 | $352K |
| Integrated Wealth Concepts LLC | 0.00% | New | 38,947 | $343K |
| PDT Partners, LLC | 0.02% | Add +55.3% | 36,848 | $324K |
| Private Advisory Group LLC | 0.02% | No change | 30,965 | $272K |
| Centiva Capital, LP | 0.01% | Add +59.5% | 28,698 | $253K |
| Sandro Wealth Management LLC | 0.19% | Add +10.0% | 27,500 | $242K |
| Northern Trust Corp. | 0.00% | Reduce -11.6% | 24,967 | $220K |
| Jane Street Group, LLC | 0.00% | Reduce -96.2% | 22,548 | $198K |
| Hudson Bay Capital Management LP | 0.00% | Add +55.1% | 20,841 | $183K |
| Chicago Partners Investment Group LLC | 0.00% | New | 17,780 | $181K |
| OMERS ADMINISTRATION Corp | 0.00% | Reduce -48.5% | 20,000 | $176K |
| Tiger Global Management | 0.00% | No change | 20,000 | $176K |
| CIBC Bancorp USA Inc. | 0.00% | — | 19,483 | $171K |
| Axq Capital, LP | 0.02% | New | 19,000 | $167K |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 18,415 | $162K |
| Graham Capital Management, L.P. | 0.01% | Reduce -14.6% | 18,146 | $160K |
| XTX Topco Ltd | 0.00% | Reduce -52.5% | 14,041 | $124K |
| Y-Intercept (Hong Kong) Ltd | 0.00% | New | 13,262 | $117K |
| Freestone Capital Holdings, LLC | 0.00% | New | 12,927 | $114K |
| Catalyst Funds Management Pty Ltd | 0.02% | New | 12,400 | $109K |
| Modus Advisors, LLC | 0.03% | Reduce -18.5% | 12,014 | $106K |
| Corient Private Wealth LP | 0.00% | Reduce -85.7% | 10,000 | $88K |
| Russell Investments Group, Ltd. | 0.00% | New | 8,592 | $76K |
| Vanguard Global Advisers, LLC | 0.00% | — | 4,896 | $43K |
| Osaic Holdings, Inc. | 0.00% | Add +285.9% | 4,380 | $39K |
| Quantbot Technologies LP | 0.00% | Reduce -88.2% | 3,762 | $33K |
| EverSource Wealth Advisors, LLC | 0.00% | New | 1,559 | $14K |
| Jones Financial Companies LLLP | 0.00% | Add +10.8% | 1,176 | $10K |
| Western Pacific Wealth Management, LP | 0.01% | No change | 1,000 | $9K |
| Rockefeller Capital Management L.P. | 0.00% | Add +72.0% | 860 | $8K |
| Wells Fargo & Company | 0.00% | New | 425 | $4K |
| Armstrong Advisory Group, Inc. | 0.00% | New | 225 | $2K |
| US Bancorp \de | 0.00% | Reduce -97.2% | 156 | $1K |
| Caitong International Asset Management Co., Ltd | 0.00% | Add +536.8% | 121 | $1K |
| GAMMA Investing LLC | 0.00% | New | 49 | $431 |
| Bare Financial Services, Inc | 0.00% | New | 40 | $352 |
| Huntington National Bank | 0.00% | New | 36 | $317 |
| Arax Advisory Partners | 0.00% | New | 13 | $18 |
| Royal Bank of Canada | 0.00% | Reduce -99.3% | 39 | $0 |
| Avion Wealth | 0.00% | New | 47 | $0 |
"% of holder's portfolio" is MNTN's weight in each manager's 13F, not the share of MNTN Inc. Class A the manager owns.