Wellington Management Group
MNTN

Wellington Management Group’s MNTN Inc MNTN Stock Holding History

Wellington Management Group’s Portfolio MNTN Stock Details MNTN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$51.8M Sell
5,630,486
-578,702
-9% -$5.27M 0.01% 749
2026
Q1 		$54.6M Buy
6,209,188
+478,465
+8% +$4.78M 0.01% 708
2025
Q4 		$68.4M Buy
5,730,723
+385,421
+7% +$5.55M 0.01% 643
2025
Q3 		$99.2M Buy
5,345,302
+2,159,075
+68% +$49.1M 0.02% 556
2025
Q2 		$69.7M Buy
+3,186,227
New +$73.3M 0.01% 613

Other funds holding MNTN

MML
Mercato Management Legacy Cottonwood Heights, Utah $56.7M AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
G
Greycroft New York $44.1M AUM 24.2% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
AFG
American Financial Group Cincinnati, Ohio $284M AUM 12.01% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Wellington Management Group's MNTN Position: Q2 2026 in Review

Wellington Management Group reduced its MNTN Inc (MNTN) stake by 9.3% in Q2 2026, selling an estimated $5.27M and leaving 5,630,486 shares worth $51.8M. The position accounts for 0.01% of the portfolio, ranked #749.

Wellington Management Group first reported a position in MNTN in Q2 2025 and has held it in 5 quarters since. The position peaked at $99.2M in Q3 2025. 127 funds tracked by Wall St. Rank hold MNTN as of Q2 2026.

  • Wellington Management Group held 5,630,486 shares of MNTN Inc worth $51.8M as of Q2 2026.
  • Wellington Management Group sold 578,702 MNTN Inc shares in Q2 2026, an estimated $5.27M.
  • MNTN Inc made up 0.01% of Wellington Management Group's portfolio in Q2 2026, its #749 holding.
  • Wellington Management Group first reported a position in MNTN Inc in Q2 2025 and has held it in 5 quarters since.
  • Wellington Management Group's MNTN Inc position peaked at $99.2M in Q3 2025.
  • 127 funds tracked by Wall St. Rank held MNTN Inc as of Q2 2026.

Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.