MNTN Inc
MNTN
76 hedge funds and large institutions have $367M invested in MNTN Inc in 2025 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 17 increasing their positions, 14 reducing their positions, and 23 closing their positions.
74% more first-time investments, than exits
New positions opened: 40 | Existing positions closed: 23
29% more funds holding
Funds holding: 59 → 76 (+17)
21% more repeat investments, than reductions
Existing positions increased: 17 | Existing positions reduced: 14
19% more call options, than puts
Call options by funds: $5.45M | Put options by funds: $4.56M
2.49% more ownership
Funds ownership: 42.84% → 45.33% (+2.5%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
17% less capital invested
Capital invested by funds: $441M → $367M (-$74.3M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$49.1M |
| 2 |
BCM
Bienville Capital Management
New York
|
+$14M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
+$12.5M |
| 4 |
CAPTRUST Financial Advisors
Raleigh,
North Carolina
|
+$6.38M |
| 5 |
PC
Pier Capital
Stamford,
Connecticut
|
+$5.16M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SPPAM
Summit Partners Public Asset Management
Boston,
Massachusetts
|
-$37.5M |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$21.6M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
-$14.8M |
| 4 |
Ameriprise
Minneapolis,
Minnesota
|
-$12.8M |
| 5 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$7.29M |
MNTN Hedge Fund Activity: Q3 2025 in Review
76 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in MNTN Inc (MNTN) for Q3 2025, worth a combined $367M — down 17% from $441M a quarter earlier.
Buyers outnumbered sellers: 40 funds opened new MNTN positions and 23 closed out — a net gain of 17 holders — while 17 added to existing stakes and 14 trimmed.
The largest buyer was Wellington Management Group, adding an estimated $49.1M. The largest seller was Summit Partners Public Asset Management, exiting entirely with an estimated $37.5M sold.
- 76 institutional investors held MNTN Inc (MNTN) as of Q3 2025, up from 59 in Q2 2025.
- Funds reported $367M of MNTN Inc stock for Q3 2025, down 17% quarter-over-quarter.
- 40 funds opened new MNTN Inc positions in Q3 2025 and 23 closed out, a net change of +17 holders.
- The largest MNTN Inc buyer in Q3 2025 was Wellington Management Group, an estimated $49.1M added.
- The largest MNTN Inc seller in Q3 2025 was Summit Partners Public Asset Management, an estimated $37.5M sold.
Based on aggregated 13F filings for Q3 2025.