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
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 $54.3M AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
G
Greycroft New York $146M AUM 1.94% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $89.9B AUM 20.22% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
AFG
American Financial Group Cincinnati, Ohio $270M AUM 3.25% 1-Year Est. Return

Wellington Management Group's MNTN Position: Q1 2026 in Review

Wellington Management Group increased its MNTN Inc (MNTN) stake by 8.3% in Q1 2026, buying an estimated $4.78M and bringing the position to 6,209,188 shares worth $54.6M. The position accounts for 0.01% of the portfolio, ranked #708.

Wellington Management Group first reported a position in MNTN in Q2 2025 and has held it in 4 quarters since. The position peaked at $99.2M in Q3 2025. 95 funds tracked by Wall St. Rank hold MNTN as of Q1 2026.

  • Wellington Management Group held 6,209,188 shares of MNTN Inc worth $54.6M as of Q1 2026.
  • Wellington Management Group bought 478,465 MNTN Inc shares in Q1 2026, an estimated $4.78M.
  • MNTN Inc made up 0.01% of Wellington Management Group's portfolio in Q1 2026, its #708 holding.
  • Wellington Management Group first reported a position in MNTN Inc in Q2 2025 and has held it in 4 quarters since.
  • Wellington Management Group's MNTN Inc position peaked at $99.2M in Q3 2025.
  • 95 funds tracked by Wall St. Rank held MNTN Inc as of Q1 2026.

Based on Wellington Management Group's 13F filing for Q1 2026, filed 15 May 2026.