MNTN INC (55318A108) Top Institutional Shareholders
MNTN INC (55318A108) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $261.38M in 55318A108 holdings during the latest filing period.
Wellington Management Group Llp is currently the largest disclosed institutional shareholder of 55318A108 tracked by InsiderSet, reporting ownership valued at approximately $54.64M in its March 31, 2026 SEC Form 13F filing.
The top 10 institutional shareholders tracked on this page collectively account for approximately 74% of the total disclosed 55318A108 value among the investors covered in this analysis. Major shareholders include Wellington Management Group Llp, Mercato Management Legacy, Llc, Fmr Llc, and several other long-term asset managers with concentrated positions in MNTN INC (55318A108).
This page ranks the largest institutional 55318A108 shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
91
Total Reported Value
$261.38M
Largest Holder
Wellington Management Group Llp
Largest Position
$54.64M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
122
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Wellington Management Group Llp | 0.01% | 6,209,188 | $54,640,854 | — | — | — | |
| Mercato Management Legacy, Llc | 100.00% | 6,168,022 | $54,278,594 | — | — | — | |
| Fmr Llc | 0.00% | 2,824,924 | $24,859,331 | — | — | — | |
| Greycroft Lp | 12.40% | 2,061,643 | $18,142,458 | — | — | — | |
| Vanguard Capital Management Llc | 0.00% | 1,437,385 | $12,648,988 | — | — | — | |
| Qube Research & Technologies Ltd | 0.01% | 783,760 | $6,897,088 | — | — | — | |
| Federated Hermes, Inc. | 0.01% | 690,000 | $6,072,000 | — | — | — | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 646,217 | $5,686,710 | — | — | — |
| Millennium Management Llc | 0.00% | 632,097 | $5,562,454 | — | — | — | |
| Citadel Advisors Llc | 0.00% | 630,719 | $5,550,327 | — | — | — | |
| American Financial Group Inc | 1.91% | 579,683 | $5,101,210 | — | — | — | |
| Susquehanna International Group, Llp | 0.01% | 505,338 | $4,446,974 | — | — | — | |
| Bnp Paribas Financial Markets | 0.00% | 484,294 | $4,261,787 | — | — | — | |
| D. E. Shaw & Co., Inc. | 0.00% | 476,087 | $4,189,566 | — | — | — | |
| Mariner, Llc | 0.00% | 361,290 | $3,179,352 | — | — | — | |
| Proem Advisors Llc | 0.95% | 325,441 | $2,863,881 | — | — | — | |
| Liontrust Investment Partners Llp | 0.04% | 224,071 | $2,675,408 | — | — | — | |
| Trexquant Investment Lp | 0.02% | 282,469 | $2,485,727 | — | — | — | |
| Marshall Wace, Llp | 0.00% | 281,112 | $2,473,784 | — | — | — | |
| Man Group Plc | 0.00% | 268,814 | $2,365,563 | — | — | — | |
| Blackrock, Inc. | 0.00% | 261,805 | $2,303,884 | — | — | — | |
| Militia Capital Management Llc | 0.52% | 259,587 | $2,284,366 | — | — | — | |
| Balyasny Asset Management L.P. | 0.00% | 210,235 | $1,850,068 | — | — | — | |
| Point72 Asset Management, L.P. | 0.00% | 205,620 | $1,809,456 | — | — | — | |
| Manchester Financial Inc | 0.34% | 200,000 | $1,760,000 | — | — | — | |
| Ubs Group Ag | 0.00% | 171,627 | $1,510,317 | — | — | — | |
| Uniplan Investment Counsel, Inc. | 0.14% | 160,451 | $1,411,976 | — | — | — | |
| Engineers Gate Manager Lp | 0.02% | 151,571 | $1,333,824 | — | — | — | |
| Geode Capital Management, Llc | 0.00% | 144,746 | $1,274,321 | — | — | — | |
| Goldman Sachs Group Inc | 0.00% | 141,432 | $1,244,602 | — | — | — | |
| Morgan Stanley | 0.00% | 140,808 | $1,239,110 | — | — | — | |
| Victory Capital Management Inc | 0.00% | 104,052 | $915,658 | — | — | — | |
| Burkehill Global Management, Lp | 0.04% | 100,000 | $880,000 | — | — | — | |
| Raymond James Financial Inc | 0.00% | 98,457 | $866,422 | — | — | — | |
| Vanguard Fiduciary Trust Co | 0.00% | 87,771 | $772,385 | — | — | — | |
| Brevan Howard Capital Management Lp | 0.01% | 70,007 | $616,062 | — | — | — | |
| Barclays Plc | 0.00% | 62,540 | $550,352 | — | — | — | |
| Jump Financial, Llc | 0.01% | 62,170 | $547,097 | — | — | — | |
| Charles Schwab Investment Management Inc | 0.00% | 60,665 | $533,852 | — | — | — | |
| Bank Of America Corp | 0.00% | 60,348 | $531,062 | — | — | — | |
| Tudor Investment Corp Et Al | 0.00% | 52,270 | $459,976 | — | — | — | |
| Schonfeld Strategic Advisors Llc | 0.00% | 51,674 | $454,730 | — | — | — | |
| Dakota Wealth Management | 0.01% | 50,000 | $440,000 | — | — | — | |
| State Street Corp | 0.00% | 48,475 | $426,580 | — | — | — | |
| Citigroup Inc | 0.00% | 48,292 | $424,970 | — | — | — | |
| Hightower Advisors, Llc | 0.00% | 45,800 | $403,040 | — | — | — | |
| Hsbc Holdings Plc | 0.00% | 18,311 | $380,136 | — | — | — | |
| Jacobs Levy Equity Management, Inc | 0.00% | 42,224 | $371,571 | — | — | — | |
| Magnetar Financial Llc | 0.00% | 42,210 | $371,448 | — | — | — | |
| Vanguard Portfolio Management Llc | 0.00% | 42,158 | $370,990 | — | — | — |
Frequently asked questions about 55318A108
Who owns the most 55318A108 stock?
The largest holders of 55318A108 are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for MNTN INC (55318A108).
Is 55318A108 widely held by superinvestors?
Many widely followed stocks like 55318A108 appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly 55318A108 is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.