JY
MNTN

Jeff Yass’s MNTN Inc MNTN Stock Holding History

Jeff Yass’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 		$763K Sell
82,900
-72,900
-47% -$664K ﹤0.01% 8894
2026
Q1 		$1.37M Sell
155,800
-24,800
-14% -$248K ﹤0.01% 7114
2025
Q4 		$2.16M Buy
180,600
+80,800
+81% +$1.16M ﹤0.01% 5499
2025
Q3 		$1.85M Buy
+99,800
New +$2.27M ﹤0.01% 5951

Other funds holding MNTN

MML
Mercato Management Legacy Cottonwood Heights, Utah $56.7M AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
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

Jeff Yass's MNTN Position: Q2 2026 in Review

Jeff Yass reduced its MNTN Inc (MNTN) stake by 97% in Q2 2026, selling an estimated $4.48M and leaving 13,339 shares worth $123K. The position accounts for ﹤0.01% of the portfolio, ranked #12356.

Jeff Yass first reported a position in MNTN in Q2 2025 and has held it in 4 quarters since. The position peaked at $4.45M in Q1 2026. 126 funds tracked by Wall St. Rank hold MNTN as of Q2 2026.

  • Jeff Yass held 13,339 shares of MNTN Inc worth $123K as of Q2 2026.
  • Jeff Yass sold 491,999 MNTN Inc shares in Q2 2026, an estimated $4.48M.
  • MNTN Inc made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #12356 holding.
  • Jeff Yass first reported a position in MNTN Inc in Q2 2025 and has held it in 4 quarters since.
  • Jeff Yass's MNTN Inc position peaked at $4.45M in Q1 2026.
  • 126 funds tracked by Wall St. Rank held MNTN Inc as of Q2 2026.

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