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MNTN, Inc.

MNTN
Exchange
NYSE
Industry
Services-Advertising
SEC CIK
0001891027

In the last 90 days, MNTN, Inc. insiders filed 0 open-market purchases and 2 sales; 126 institutions reported holding it in 13F filings for Q2 2026, worth $353.8M in total; Tiger Global Management is the only superinvestor holding it.

13F holders, Q4 2025

Institutional positions in MNTN, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
96
+22 vs. Q3 2025
Shares held
30.6M
+10.8M (+54.8%) vs. Q3 2025
Total value
$405.9M
+$39.6M (+10.8%) vs. Q3 2025
New holders
39
34 more added
Sold out
17
15 more reduced

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MNTN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 96 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 59 institutionsQ3 2025: 76 institutionsQ4 2025: 96 institutionsQ1 2026: 95 institutionsQ2 2026: 126 institutions
Value heldQ4 2025: $405.9M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $441.1MQ3 2025: $366.8MQ4 2025: $405.9MQ1 2026: $265.8MQ2 2026: $353.8M
Institutions holding MNTN and their total value by quarter
QuarterHoldersValue
Q2 2026126$353.8M
Q1 202695$265.8M
Q4 202596$405.9M
Q3 202576$366.8M
Q2 202559$441.1M
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding MNTN, Inc.; share changes are against Q3 2025.

Institutions holding MNTN in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Mercato Partners Growth III GP, LLC6,168,022$114.4M100.00%+6,168,022New
Wellington Management Group LLP5,730,723$68.4M0.01%+385,421+7.2%Added
FMR LLC2,822,967$33.7M0.00%−787,560−21.8%Reduced
BlackRock, Inc.2,345,378$28.0M0.00%+680,048+40.8%Added
Greycroft LP2,061,643$24.6M15.60%00.0%Unchanged
Bienville Capital Management, LLC919,052$11.0M1.74%+303,905+49.4%Added
Federated Hermes, Inc.680,000$8.12M0.01%+30,000+4.6%Added
Ameriprise Financial Inc675,936$8.07M0.00%+351,307+108.2%Added
Vanguard Group Inc596,874$7.13M0.00%−24,518−3.9%Reduced
Jane Street Group, LLC591,868$7.07M0.01%+591,868New
Citadel Advisors LLC552,156$6.59M0.00%+312,330+130.2%Added
Qube Research & Technologies Ltd479,382$5.72M0.01%+458,434+2,188.4%Added
BNP Paribas Arbitrage, SA470,699$5.62M0.00%+306,924+187.4%Added
Renaissance Technologies LLC459,189$5.48M0.01%+338,189+279.5%Added
Millennium Management LLC392,532$4.69M0.00%+143,192+57.4%Added
Mariner, LLC360,599$4.31M0.01%+360,599New
JPMorgan Chase & Co343,513$4.10M0.00%+338,894+7,337.0%Added
UBS Group AG288,267$3.44M0.00%+169,218+142.1%Added
Bank of Montreal287,690$3.44M0.00%+36,836+14.7%Added
Goldman Sachs Group Inc240,603$2.87M0.00%−66,127−21.6%Reduced
Liontrust Investment Partners LLP224,071$2.68M0.04%−106,329−32.2%Reduced
Manchester Financial Inc200,000$2.39M0.45%+200,000New
Freestone Grove Partners LP199,621$2.38M0.02%−26,481−11.7%Reduced
Point72 Asset Management, L.P.199,179$2.38M0.00%+199,179New
Trexquant Investment LP176,491$2.11M0.02%+176,491New
Two Sigma Investments, LP158,598$1.89M0.00%+158,598New
S Squared Technology, LLC155,600$1.86M0.72%+20,000+14.7%Added
Morgan Stanley140,338$1.68M0.00%−8,989−6.0%Reduced
Jump Financial, LLC134,600$1.61M0.02%+85,500+174.1%Added
Bank of America Corp127,162$1.52M0.00%+120,938+1,943.1%Added
Zazove Associates LLC126,601$1.51M0.13%+76,601+153.2%Added
Man Group plc125,314$1.50M0.00%+110,416+741.1%Added
Geode Capital Management, LLC121,844$1.46M0.00%+661+0.5%Added
Walleye Capital LLC112,739$1.35M0.01%+62,739+125.5%Added
Ghisallo Capital Management LLC100,000$1.19M0.05%00.0%Unchanged
Burkehill Global Management, LP100,000$1.19M0.08%00.0%Unchanged
Uniplan Investment Counsel, Inc.98,577$1.18M0.12%+44,891+83.6%Added
Raymond James Financial Inc81,792$976.6K0.00%−41,540−33.7%Reduced
Teachers Retirement System of the State of Kentucky74,377$888.0K0.01%+11,293+17.9%Added
Winton Group Ltd73,748$880.6K0.03%+73,748New
Dark Forest Capital Management LP71,264$850.9K0.04%+46,268+185.1%Added
Tudor Investment Corp Et Al70,131$837.4K0.00%−44,440−38.8%Reduced
CI Private Wealth, LLC70,024$836.1K0.00%+70,024New
Victory Capital Management Inc64,245$767.1K0.00%+64,245New
Two Sigma Advisers, LP62,502$746.3K0.00%+62,502New
Charles Schwab Investment Management Inc60,213$718.9K0.00%−10,039−14.3%Reduced
Verition Fund Management LLC51,617$616.3K0.00%+51,617New
Dakota Wealth Management50,000$597.0K0.01%00.0%Unchanged
Seven Grand Managers, LLC50,000$597.0K0.05%00.0%Unchanged
State Street Corp48,475$578.8K0.00%−8,528−15.0%Reduced
Susquehanna International Group, LLP44,566$532.1K0.00%+44,566New
Atomi Financial Group, Inc.40,000$477.6K0.01%+40,000New
Omers Administration Corp38,800$463.3K0.00%+38,800New
Marshall Wace, LLP33,086$395.0K0.00%+33,086New
HRT Financial LP33,035$394.0K0.00%+33,035New
Quantbot Technologies LP31,910$381.0K0.01%+22,760+248.7%Added
Private Advisory Group LLC30,965$369.7K0.03%+30,965New
XTX Topco Ltd29,556$352.9K0.01%+29,556New
Northern Trust Corp28,230$337.1K0.00%+2,475+9.6%Added
Engineers Gate Manager LP27,236$325.2K0.00%−32,588−54.5%Reduced
PharVision Advisers, LLC26,288$313.9K0.16%+26,288New
Sandro Wealth Management LLC25,000$298.5K0.25%+25,000New
PDT Partners, LLC23,727$283.3K0.02%+23,727New
J. Goldman & Co LP21,943$262.0K0.01%+21,943New
HSBC Holdings PLC12,591$261.4K0.00%+12,591New
Counterpoint Mutual Funds LLC21,342$254.8K0.02%−5,681−21.0%Reduced
Graham Capital Management, L.P.21,259$253.8K0.01%+21,259New
Cary Street Partners Financial LLC20,385$243.4K0.01%+4,640+29.5%Added
Schonfeld Strategic Advisors LLC20,039$239.3K0.00%−62,096−75.6%Reduced
Tiger Global Management LLCSuperinvestorTiger Global Management20,000$238.8K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC19,483$232.6K0.00%+15,483+387.1%Added
Citigroup Inc18,852$225.1K0.00%+15,875+533.3%Added
Centiva Capital, LP17,994$214.8K0.01%+17,994New
Aristides Capital LLC16,000$191.0K0.07%+16,000New
Modus Advisors, LLC14,745$176.1K0.05%+14,745New
Brevan Howard Capital Management LP14,512$173.3K0.00%+14,512New
Jacobs Levy Equity Management, Inc14,322$171.0K0.00%−6,958−32.7%Reduced
Lighthouse Investment Partners, LLC13,680$163.3K0.01%+13,680New
Hudson Bay Capital Management LP13,436$160.4K0.00%+13,436New
Entropy Technologies, LP12,800$152.8K0.01%+12,800New
Occudo Quantitative Strategies LP12,741$152.1K0.01%+12,741New
Group One Trading, L.P.11,447$136.7K0.00%+11,447New
Barclays PLC9,326$111.4K0.00%+8,944+2,341.4%Added
Los Angeles Capital Management LLC4,424$72.4K0.00%+4,424New
Royal Bank of Canada5,857$70.0K0.00%+5,590+2,093.6%Added
US Bancorp5,481$65.4K0.00%+3,230+143.5%Added
Acadian Asset Management LLC4,711$55.0K0.00%+2,341+98.8%Added
Aster Capital Management (DIFC) Ltd3,587$42.8K0.02%+3,587New
State of Wyoming2,025$24.2K0.00%+2,025New
Quarry LP1,772$21.2K0.00%+1,719+3,243.4%Added
Advisor Group Holdings, Inc.1,135$13.5K0.00%−555−32.8%Reduced
Jones Financial Companies LLLP1,061$12.7K0.00%+111+11.7%Added
Western Pacific Wealth Management, LP1,000$11.9K0.01%00.0%Unchanged
Rockefeller Capital Management L.P.500$5.97K0.00%+500New
Clearstead Advisors, LLC80$9560.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd19$2270.00%+19New
Captrust Financial Advisors0$00.00%−280,597−100.0%Sold out
Pier Capital, LLC0$00.00%−226,997−100.0%Sold out
Lord, Abbett & Co. LLC0$00.00%−212,724−100.0%Sold out
Soros Fund Management LLCSuperinvestorSoros Fund Management0$00.00%−128,560−100.0%Sold out