MNTN Inc. Class AMNTN
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 96 institutions reported holding MNTN Inc. Class A (MNTN) in their 13F filings, up 20 from Q3 2025. 37 opened new positions and 17 sold out. The largest holders were Mercato Partners Growth III Gp, LLC ($114.4M), Wellington Management Group LLP ($68.4M) and FMR LLC ($33.7M). 6 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation'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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 37 | $30.0M |
| Exits | 17 | $21.5M |
All 13F filers, Q3 2025 → Q4 2025: 7,019,770 shares bought and 2,392,272 shares sold, net +4,627,498 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 96 holders
| Mercato Partners Growth III Gp, LLC | 100.00% | — | 6,168,022 | $114.4M |
| Wellington Management Group LLP | 0.01% | Add +7.2% | 5,730,723 | $68.4M |
| FMR LLC | 0.00% | Reduce -21.8% | 2,822,967 | $33.7M |
| BlackRock, Inc. | 0.00% | Add +40.8% | 2,345,378 | $28.0M |
| Greycroft LP | 15.60% | No change | 2,061,643 | $24.6M |
| Bienville Capital Management, LLC | 1.74% | Add +49.4% | 919,052 | $11.0M |
| Federated Hermes, Inc. | 0.01% | Add +4.6% | 680,000 | $8.1M |
| Ameriprise Financial Inc. | 0.00% | Add +108.2% | 675,936 | $8.1M |
| Vanguard Group Inc. | 0.00% | Reduce -4.0% | 596,874 | $7.1M |
| Jane Street Group, LLC | 0.01% | New | 591,868 | $7.1M |
| Citadel Advisors | 0.00% | Add +130.2% | 552,156 | $6.6M |
| Qube Research & Technologies Ltd | 0.01% | Add +2188.4% | 479,382 | $5.7M |
| BNP Paribas Financial Markets | 0.00% | Add +187.4% | 470,699 | $5.6M |
| Renaissance Technologies | 0.01% | Add +279.5% | 459,189 | $5.5M |
| Millennium Management | 0.00% | Add +57.4% | 392,532 | $4.7M |
| Mariner, LLC | 0.01% | New | 360,599 | $4.3M |
| JPMorgan Chase & Co. | 0.00% | Add +7337.0% | 343,513 | $4.1M |
| UBS Group AG | 0.00% | Add +142.1% | 288,267 | $3.4M |
| Bank of Montreal | 0.00% | Add +14.7% | 287,690 | $3.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -21.6% | 240,603 | $2.9M |
| Liontrust Investment Partners LLP | 0.04% | Reduce -32.2% | 224,071 | $2.7M |
| Manchester Financial Inc. | 0.45% | New | 200,000 | $2.4M |
| Freestone Grove Partners LP | 0.02% | Reduce -11.7% | 199,621 | $2.4M |
| Point72 Asset Management | 0.00% | New | 199,179 | $2.4M |
| Trexquant Investment LP | 0.02% | New | 176,491 | $2.1M |
| Two Sigma Investments, LP | 0.00% | New | 158,598 | $1.9M |
| S Squared Technology, LLC | 0.72% | Add +14.8% | 155,600 | $1.9M |
| Morgan Stanley | 0.00% | Reduce -6.0% | 140,338 | $1.7M |
| Jump Financial, LLC | 0.02% | Add +174.1% | 134,600 | $1.6M |
| Bank of America Corp. | 0.00% | Add +1943.1% | 127,162 | $1.5M |
| Zazove Associates LLC | 2.72% | Add +153.2% | 126,601 | $1.5M |
| Man Group plc | 0.00% | Add +741.1% | 125,314 | $1.5M |
| Geode Capital Management, LLC | 0.00% | Add +0.6% | 121,844 | $1.5M |
| Walleye Capital LLC | 0.01% | Add +125.5% | 112,739 | $1.3M |
| Burkehill Global Management, LP | 0.08% | No change | 100,000 | $1.2M |
| Ghisallo Capital Management LLC | 0.05% | No change | 100,000 | $1.2M |
| Uniplan Investment Counsel, Inc. | 0.12% | Add +83.6% | 98,577 | $1.2M |
| Raymond James Financial Inc. | 0.00% | Reduce -33.7% | 81,792 | $977K |
| Teachers Retirement System of the State of Kentucky | 0.01% | Add +17.9% | 74,377 | $888K |
| WINTON GROUP Ltd | 0.03% | New | 73,748 | $881K |
| Dark Forest Capital Management LP | 0.04% | Add +185.1% | 71,264 | $851K |
| Tudor Investment Corporation | 0.00% | Reduce -38.8% | 70,131 | $837K |
| Corient Private Wealth LP | 0.00% | New | 70,024 | $836K |
| Victory Capital Management Inc. | 0.00% | New | 64,245 | $767K |
| Two Sigma Advisers, LP | 0.00% | New | 62,502 | $746K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -14.3% | 60,213 | $719K |
| Verition Fund Management LLC | 0.00% | New | 51,617 | $616K |
| Seven Grand Managers, LLC | 0.05% | No change | 50,000 | $597K |
| Dakota Wealth Management | 0.01% | No change | 50,000 | $597K |
| State Street Corp. | 0.00% | Reduce -15.0% | 48,475 | $579K |
| Susquehanna International Group, LLP | 0.00% | New | 44,566 | $532K |
| Compound Planning, Inc. | 0.01% | New | 40,000 | $478K |
| OMERS ADMINISTRATION Corp | 0.00% | New | 38,800 | $463K |
| Marshall Wace, LLP | 0.00% | New | 33,086 | $395K |
| HRT Financial LP | 0.00% | New | 33,035 | $394K |
| Quantbot Technologies LP | 0.01% | Add +248.7% | 31,910 | $381K |
| Private Advisory Group LLC | 0.03% | New | 30,965 | $370K |
| XTX Topco Ltd | 0.01% | New | 29,556 | $353K |
| Northern Trust Corp. | 0.00% | Add +9.6% | 28,230 | $337K |
| Engineers Gate Manager LP | 0.00% | Reduce -54.5% | 27,236 | $325K |
| PharVision Advisers, LLC | 0.16% | New | 26,288 | $314K |
| Sandro Wealth Management LLC | 0.25% | — | 25,000 | $299K |
| PDT Partners, LLC | 0.02% | New | 23,727 | $283K |
| J. Goldman & Co LP | 0.01% | New | 21,943 | $262K |
| HSBC Holdings PLC | 0.00% | New | 12,591 | $261K |
| Counterpoint Mutual Funds LLC | 0.02% | Reduce -21.0% | 21,342 | $255K |
| Graham Capital Management, L.P. | 0.01% | New | 21,259 | $254K |
| Cary Street Partners Financial LLC | 0.01% | Add +29.5% | 20,385 | $243K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -75.6% | 20,039 | $239K |
| Tiger Global Management | 0.00% | No change | 20,000 | $239K |
| CIBC Private Wealth Group LLC | 0.00% | Add +387.1% | 19,483 | $233K |
| Citigroup Inc. | 0.00% | Add +533.3% | 18,852 | $225K |
| Centiva Capital, LP | 0.01% | New | 17,994 | $215K |
| Aristides Capital LLC | 0.07% | New | 16,000 | $191K |
| Modus Advisors, LLC | 0.05% | New | 14,745 | $176K |
| Brevan Howard Capital Management LP | 0.00% | New | 14,512 | $173K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -32.7% | 14,322 | $171K |
| Lighthouse Investment Partners, LLC | 0.01% | New | 13,680 | $163K |
| Hudson Bay Capital Management LP | 0.00% | New | 13,436 | $160K |
| Entropy Technologies, LP | 0.01% | New | 12,800 | $153K |
| Occudo Quantitative Strategies LP | 0.01% | New | 12,741 | $152K |
| Group One Trading LLC | 0.00% | New | 11,447 | $137K |
| Barclays PLC | 0.00% | Add +2341.4% | 9,326 | $111K |
| Los Angeles Capital Management LLC | 0.00% | New | 4,424 | $72K |
| Royal Bank of Canada | 0.00% | Add +2093.6% | 5,857 | $70K |
| US Bancorp \de | 0.00% | Add +143.5% | 5,481 | $65K |
| Acadian Asset Management LLC | 0.00% | Add +98.8% | 4,711 | $55K |
| Aster Capital Management (DIFC) Ltd | 0.02% | New | 3,587 | $43K |
| State of Wyoming | 0.00% | New | 2,025 | $24K |
| Quarry LP | 0.00% | Add +3243.4% | 1,772 | $21K |
| Osaic Holdings, Inc. | 0.00% | Reduce -32.8% | 1,135 | $14K |
| Jones Financial Companies LLLP | 0.00% | Add +11.7% | 1,061 | $13K |
| Western Pacific Wealth Management, LP | 0.01% | No change | 1,000 | $12K |
| Rockefeller Capital Management L.P. | 0.00% | New | 500 | $6K |
| Clearstead Advisors, LLC | 0.00% | No change | 80 | $956 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 19 | $227 |
"% of holder's portfolio" is MNTN's weight in each manager's 13F, not the share of MNTN Inc. Class A the manager owns.