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Disclosery

MNTN MNTN INC

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CL A (common), issuer CIK 1891027

59 managers (59 13F filers) reported a position in MNTN shares at 2025-06-30, 20,170,303 shares in all. 57 filers opened a position and 0 filers sold out during the quarter.

Managers
59
13F filers
59
New
57
Added
0
Reduced
0
Sold out
0
Shares held by filers
20,170,303

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

The latest Form 4 transactions, non-derivative.
OwnerDateSharesPriceFiling
Kaiser Joseph Johndirector2026-10-05+2,046 A$10.08Form 4

13F holders, Q2 2025

Filers in the available 13F reports with a share position at 2025-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
FMR LLCin group FMR LLC4,263,387$93.2M0.01%new13F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…3,186,227$69.7M0.01%new13F-HRTimelineGroup
GREYCROFT LP2,061,643$45.1M32.76%new13F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.1,891,598$41.4M<0.01%new13F-HRTimelineGroup
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT…in group SUMMIT PARTNERS PUBLIC ASSET …1,713,427$37.5M1.46%new13F-HRTimelineGroup
T. Rowe Price Investment Management, In…986,519$21.6M0.01%new13F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC889,450$19.5M<0.01%new13F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.525,000$11.5M0.02%new13F-HRTimelineGroup
LORD, ABBETT & CO. LLC416,465$9.11M0.03%new13F-HRTimeline
Driehaus Capital Management LLC333,196$7.29M0.06%new13F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC320,256$7M0.01%new13F-HRTimelineGroup
G2 Investment Partners Management LLC319,883$7M1.53%new13F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC252,836$5.53M<0.01%new13F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC231,744$5.07M<0.01%new13F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/202,647$4.43M<0.01%new13F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY199,788$4.37M<0.01%new13F-HRTimelineGroup
UBS Group AGin group UBS Group AG168,865$3.69M<0.01%new13F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management157,372$3.44M0.01%new13F-HRTimelineGroup
Alyeska Investment Group, L.P.in group Alyeska Investment Group, L.P.148,600$3.25M0.01%new13F-HRTimelineGroup
Liontrust Investment Partners LLP144,964$3.17M0.05%new13F-HRTimeline
Freestone Grove Partners LP122,742$2.68M0.02%new13F-HRTimeline
Fortress Investment Group LLCin group Fortress Investment Group LLC110,663$2.42M0.34%new13F-HRTimelineGroup
HBK INVESTMENTS L P100,000$2.19M0.04%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
SOROS FUND MANAGEMENT LLCin group SOROS FUND MANAGEMENT LLC100,000$2.19M0.04%new13F-HRTimelineGroup
Ghisallo Capital Management LLC100,000$2.19M0.06%new13F-HRTimeline
Burkehill Global Management, LP100,000$2.19M0.16%new13F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC99,828$2.18M0.07%new13F-HRTimeline
Schonfeld Strategic Advisors LLC98,513$2.15M0.02%new13F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC96,519$2.11M<0.01%new13F-HRTimelineGroup
LMR Partners LLPin group LMR Partners LLP75,088$1.64M0.03%new13F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC70,000$1.53M<0.01%new13F-HRTimelineGroup
TUDOR INVESTMENT CORP ET AL70,000$1.53M0.01%new13F-HRTimeline
BAMCO INC /NY/in group Baron Capital70,000$1.53M<0.01%new13F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…61,410$1.34M<0.01%new13F-HRTimelineGroup
Woodline Partners LP60,000$1.31M0.01%new13F-HRTimeline
Limestone Investment Advisors LP42,000$919K0.4%13F-HRTimeline
Walleye Capital LLCin group Walleye Capital LLC40,000$875K0.01%new13F-HRTimelineGroup
Longaeva Partners L.P.36,056$789K0.19%new13F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.34,019$744K<0.01%new13F-HRTimelineGroup
TD Asset Management Inc33,406$731K<0.01%new13F-HRTimeline
HARBERT FUND ADVISORS, LLC25,000$547K1.64%new13F-HRTimeline
SEVEN GRAND MANAGERS, LLC24,500$536K0.06%new13F-HRTimeline
Centiva Capital, LP23,466$513K0.03%new13F-HRTimeline
Concurrent Investment Advisors, LLCin group Concurrent Investment Advisor…22,500$492K0.01%new13F-HRTimelineGroup
OXFORD ASSET MANAGEMENT LLP22,267$487K0.16%new13F-HRTimeline
TIGER GLOBAL MANAGEMENT LLC20,000$437K<0.01%new13F-HRTimeline
Weiss Asset Management LPin group Weiss Asset Management LP20,000$437K0.01%new13F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
SIMPLEX TRADING, LLC17,302$378K0.01%new13F-HRTimeline
Claro Advisors Inc.15,347$336K0.06%new13F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC10,596$232K<0.01%new13F-HR/ATimelineGroup
State of Tennessee, Department of Treas…10,202$223K<0.01%new13F-HRTimeline
BCS Private Wealth Management, Inc.9,550$209K0.08%13F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\5,524$121K<0.01%new13F-HRTimelineGroup
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.4,000$87.5K<0.01%new13F-HRTimelineGroup
Quarry LP3,315$72.5K0.02%new13F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA1,998$44K<0.01%new13F-HR/ATimelineGroup
Legal & General Group Plcin group Legal & General Group Plc464$10.2K<0.01%new13F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…160$3.5K<0.01%new13F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/1$22<0.01%new13F-HRTimelineGroup

Events

  • Kaiser Joseph John acquired 2,046 MNTN shares on 2026-10-05, Form 4 filed 2026-10-07. 0001891027-26-000094

    Accepted , ingested