MNTN Inc. Class AMNTN

13F holders, Q1 2026 (March 31)
95holders −1
24new positions
28sold out
7famous investors
$8.81avg. 13F price*

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

050100150 Q2 2025: 59Q2 2025Q3 2025: 76Q3 2025Q4 2025: 96Q4 2025Q1 2026: 95Q1 2026Q2 2026: 126Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions24$17.3M
Exits28$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.