Who owns MNTN, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of MNTN from SEC Form 13F filings across 103 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 103 institutions disclosed 30.2M shares of MNTN, Inc. worth $269.7M — about 40.8% of shares outstanding; the largest disclosed holder is WELLINGTON MANAGEMENT GROUP LLP. Source: SEC Form 13F filings, parsed by EvidInvest.
103
13F holders
$269.7M
value, 2026 filers
40.8%
of shares outstanding (30.2M sh)
39
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of MNTN's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | WELLINGTON MANAGEMENT GROUP LLP | 5.6M | $51.8M | 0.0% | 7.6% | -9.3% |
| 2 | BlackRock, Inc. | 4.3M | $39.2M | 0.0% | 5.8% | +1527.1% |
| 3 | FMR LLC | 3.1M | $28.9M | 0.0% | 4.3% | +11.2% |
| 4 | GREYCROFT LP | 2.1M | $19.0M | 43.0% | 2.8% | 0.0% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.9M | $17.7M | 0.0% | 2.6% | -33.2% |
| 6 | D. E. Shaw & Co., Inc. | 1.2M | $10.6M | 0.0% | 1.6% | +143.1% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 838,563 | $7.7M | 0.0% | 1.1% | +479.3% |
| 8 | ACADIAN ASSET MANAGEMENT LLC | 692,998 | $6,365 | 0.0% | 0.9% | +1137.6% |
| 9 | AMERICAN FINANCIAL GROUP INC | 629,683 | $5.8M | 2.0% | 0.9% | +8.6% |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | 609,661 | $5.6M | 0.0% | 0.8% | +1346.1% |
| 11 | BNP PARIBAS FINANCIAL MARKETS | 579,841 | $5.3M | 0.0% | 0.8% | +19.7% |
| 12 | CITADEL ADVISORS LLC | 541,761 | $5.0M | 0.0% | 0.7% | -14.1% |
| 13 | MORGAN STANLEY | 480,897 | $4.4M | 0.0% | 0.7% | +241.5% |
| 14 | Uniplan Investment Counsel, Inc. | 436,030 | $4.0M | 0.4% | 0.6% | +171.8% |
| 15 | GOLDMAN SACHS GROUP INC | 427,867 | $3.9M | 0.0% | 0.6% | +202.5% |
| 16 | RAYMOND JAMES FINANCIAL INC | 404,893 | $3.7M | 0.0% | 0.5% | +311.2% |
| 17 | BANK OF AMERICA CORP /DE/ | 396,485 | $3.6M | 0.0% | 0.5% | +557.0% |
| 18 | Jump Financial, LLC | 355,597 | $3.3M | 0.0% | 0.5% | +472.0% |
| 19 | Man Group plc | 341,836 | $3.1M | 0.0% | 0.5% | +27.2% |
| 20 | Proem Advisors LLC | 340,441 | $3.1M | 0.2% | 0.5% | +4.6% |
| 21 | NORTHERN TRUST CORP | 320,198 | $2.9M | 0.0% | 0.4% | +1182.5% |
| 22 | JPMORGAN CHASE & CO | 290,845 | $2.6M | 0.0% | 0.4% | +79.1% |
| 23 | NORGES BANKNEW | 233,700 | $2.2M | 0.0% | 0.3% | new |
| 24 | VICTORY CAPITAL MANAGEMENT INC | 216,900 | $2.0M | 0.0% | 0.3% | +108.5% |
| 25 | MANCHESTER FINANCIAL INC | 200,000 | $1.8M | 0.3% | 0.3% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.