Ticker · CUSIP 55318A108
Holders (tracked)
10
Combined shares
7,799,708
Combined value
$93.13M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 3.
SEC event timeline
15 events
- +70,131 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+312,330 shares · 2025Q413F
- Two Sigma Investments opened position2026-02-17+158,598 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+143,192 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+199,179 shares · 2025Q413F
- Wellington Management added2026-02-17+385,421 shares · 2025Q413F
- George Soros (Soros Fund Mgmt) exited2026-02-13−128,560 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+338,189 shares · 2025Q413F
- −70,000 shares · 2025Q313F
- Steve Cohen (Point72) exited2025-11-14−34,019 shares · 2025Q313F
- Wellington Management added2025-11-14+2,159,075 shares · 2025Q313F
- George Soros (Soros Fund Mgmt) added2025-11-14+28,560 shares · 2025Q313F
- Ron Baron (Baron Capital / BAMCO) exited2025-11-14−70,000 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+17,596 shares · 2025Q313F
- Renaissance Technologies opened position2025-11-13+121,000 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions3
- Steve Cohen (Point72)+199,179$2.4M
- Two Sigma Investments+158,598$1.9M
- Paul Tudor Jones (Tudor Investment)+70,131$837K
Added to4
- Wellington Management+385,421$4.6M
- Renaissance Technologies+338,189$4.0M
- Ken Griffin (Citadel Advisors)+312,330$3.7M
- Izzy Englander (Millennium Mgmt)+143,192$1.7M
Trimmed0
—
Exited1
- George Soros (Soros Fund Mgmt)−128,560$2.4M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2025Q2 | 9 | $89.4M |
| 2025Q3 | 8 | $115.0M |
| 2025Q4 | 10 | $93.1M |
Who owns MNTN
10 super-investors · 2025Q4
Tracked stake
7.80M
shares
Combined value
$93M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added6Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 5.73M | $68M |
| 2 | Ken Griffin Citadel Advisors | 552.2K | $7M |
| 3 | Renaissance Technologies | 459.2K | $5M |
| 4 | Izzy Englander Millennium Mgmt | 392.5K | $5M |
| 5 | Steve Cohen Point72 | 199.2K | $2M |
| 6 | Two Sigma Investments | 158.6K | $2M |
| 7 | Ken Griffin Citadel Advisors | 115.0K | $1M |
| 8 | Ken Griffin Citadel Advisors | 102.2K | $1M |
| 9 | Paul Tudor Jones Tudor Investment | 70.1K | $837K |
| 10 | Chase Coleman Tiger Global | 20.0K | $239K |
Recent moves
20 transactions
- +312,330 · 2025Q4
- +199,179 · 2025Q4
- +143,192 · 2025Q4
- +385,421 · 2025Q4
- +70,131 · 2025Q4
- +158,598 · 2025Q4
- −128,560 · 2025Q4
- +338,189 · 2025Q4
- −70,000 · 2025Q3
- −34,019 · 2025Q3
- −70,000 · 2025Q3
- +2,159,075 · 2025Q3
- +28,560 · 2025Q3
- +17,596 · 2025Q3
- +121,000 · 2025Q3
- +70,000 · 2025Q2
- +231,744 · 2025Q2
- +34,019 · 2025Q2
- +3,186,227 · 2025Q2
- +70,000 · 2025Q2
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