XTX Topco’s Koss Corp KOSS Stock Holding History

XTX Topco’s Portfolio KOSS Stock Details KOSS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-10,786	Closed	-$38.6K	–	4449
2026 Q1	$38.6K	Sell	10,786 -1,399	-11%	-$5.91K	﹤0.01%	3394
2025 Q4	$50.4K	Buy	+12,185	New	+$58.5K	﹤0.01%	2831

Other funds holding KOSS

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

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

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

JIR

James Investment Research Alpha, Ohio $984M AUM 36.03% 1-Year Est. Return

NewEdge Advisors New Orleans, Louisiana $33.6B AUM 31.03% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

XTX Topco's KOSS Position: Q2 2026 in Review

XTX Topco sold out of Koss Corp (KOSS) in Q2 2026, closing a stake of 10,786 shares — an estimated $38.6K sold.

XTX Topco first reported a position in KOSS in Q4 2025 and held it in 2 quarters. The position peaked at $50.4K in Q4 2025. 23 funds tracked by Wall St. Rank hold KOSS as of Q2 2026.

XTX Topco reported no remaining Koss Corp position as of Q2 2026 after selling out during the quarter.
XTX Topco sold 10,786 Koss Corp shares in Q2 2026, an estimated $38.6K.
XTX Topco first reported a position in Koss Corp in Q4 2025 and held it in 2 quarters.
XTX Topco's Koss Corp position peaked at $50.4K in Q4 2025.
23 funds tracked by Wall St. Rank held Koss Corp as of Q2 2026.

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