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Of the 11 tracked institutions holding MNTN, 5 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +7.8pt. It's a gauge of who owns the name, not just how many.
Among the 11 tracked institutional investors we monitor, MNTN (MNTN INC) is held with a combined value of $108.51M across 12,118,129 shares. The largest holder is WELLINGTON MANAGEMENT GROUP LLP with a position worth $54.64M (0.01% of their portfolio). Magnetar Financial LLC opened a new position in the most recent quarter. 6 funds increased their holdings. 2 funds reduced their position.
Total Institutional Value
$108.51M
Total Shares Held
12,118,129
Institutional Holders
11
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | WELLINGTON MANAGEMENT GROUP LLP | $54.64M | 0.01% | +8.3% |
| 2 | FMR LLC | $24.86M | 0.00% | +0.1% |
| 3 | VANGUARD GROUP INC | $7.13M | 0.00% | -3.9% |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $5.69M | 0.01% | +40.7% |
| 5 | MILLENNIUM MANAGEMENT LLC | $5.56M | 0.00% | +61.0% |
| 6 | CITADEL ADVISORS LLC | $5.55M | 0.00% | +14.2% |
| 7 | BlackRock, Inc. | $2.30M | 0.00% | -88.8% |
| 8 | Point72 Asset Management, L.P. | $1.81M | 0.00% | +3.2% |
| 9 | STATE STREET CORP | $426.58K | 0.00% | - |
| 10 | Magnetar Financial LLC | $371.45K | 0.00% | New |
As of the latest SEC 13F filings, WELLINGTON MANAGEMENT GROUP LLP is the largest institutional holder of MNTN with a position worth $54.64M, representing 0.01% of their portfolio. In total, 11 institutional investors hold MNTN with a combined value of $108.51M.
In the most recent quarter, 1 fund opened a new position in MNTN. Additionally, 6 increased their holdings and 2 reduced their positions.
Institutional investors hold $108.51M worth of MNTN stock across 11 positions. The largest institutional holder is WELLINGTON MANAGEMENT GROUP LLP with $54.64M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For MNTN, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their MNTN positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$8.58
2026-07-24
YTD
-29.6%
3% of 52-week range
