XTX Topco’s MNTN Inc MNTN Stock Holding History

XTX Topco’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	$972K	Buy	105,705 +91,664	+653%	+$834K	0.01%	1813
2026 Q1	$124K	Sell	14,041 -15,515	-52%	-$155K	﹤0.01%	3031
2025 Q4	$353K	Buy	+29,556	New	+$426K	0.01%	1930

Other funds holding MNTN

MML

Mercato Management Legacy Cottonwood Heights, Utah $56.7M AUM

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Greycroft New York $44.1M AUM 24.2% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

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

XTX Topco's MNTN Position: Q2 2026 in Review

XTX Topco increased its MNTN Inc (MNTN) stake by 653% in Q2 2026, buying an estimated $834K and bringing the position to 105,705 shares worth $972K. The position accounts for 0.01% of the portfolio, ranked #1813.

XTX Topco first reported a position in MNTN in Q4 2025 and has held it in 3 quarters since. 126 funds tracked by Wall St. Rank hold MNTN as of Q2 2026.

XTX Topco held 105,705 shares of MNTN Inc worth $972K as of Q2 2026.
XTX Topco bought 91,664 MNTN Inc shares in Q2 2026, an estimated $834K.
MNTN Inc made up 0.01% of XTX Topco's portfolio in Q2 2026, its #1813 holding.
XTX Topco first reported a position in MNTN Inc in Q4 2025 and has held it in 3 quarters since.
126 funds tracked by Wall St. Rank held MNTN Inc as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.