XT
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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
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

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
JIR
James Investment Research Alpha, Ohio $891M AUM 30.4% 1-Year Est. Return
NA
NewEdge Advisors New Orleans, Louisiana $27.7B AUM 22.98% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
PNC Financial Services Group
PNC Financial Services Group Pittsburgh, Pennsylvania $173B AUM 20.72% 1-Year Est. Return

XTX Topco's KOSS Position: Q1 2026 in Review

XTX Topco reduced its Koss Corp (KOSS) stake by 11% in Q1 2026, selling an estimated $5.91K and leaving 10,786 shares worth $38.6K. The position accounts for ﹤0.01% of the portfolio, ranked #3394.

XTX Topco first reported a position in KOSS in Q4 2025 and has held it in 2 quarters since. The position peaked at $50.4K in Q4 2025. 23 funds tracked by Wall St. Rank hold KOSS as of Q1 2026.

  • XTX Topco held 10,786 shares of Koss Corp worth $38.6K as of Q1 2026.
  • XTX Topco sold 1,399 Koss Corp shares in Q1 2026, an estimated $5.91K.
  • Koss Corp made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #3394 holding.
  • XTX Topco first reported a position in Koss Corp in Q4 2025 and has held it in 2 quarters since.
  • 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 Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.