Two Sigma Investments
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Two Sigma Investments’s Koss Corp KOSS Stock Holding History

Two Sigma Investments’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
2025
Q4 		– Sell
-13,355
Closed -$67.8K – 4254
2025
Q3 		$67.8K Buy
+13,355
New +$75.6K ﹤0.01% 3515

Other funds holding KOSS

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return
JIR
James Investment Research Alpha, Ohio $984M AUM 36.03% 1-Year Est. Return
NA
NewEdge Advisors New Orleans, Louisiana $33.6B AUM 31.03% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Two Sigma Investments's KOSS Position: Q4 2025 in Review

Two Sigma Investments sold out of Koss Corp (KOSS) in Q4 2025, closing a stake of 13,355 shares — an estimated $67.8K sold.

Two Sigma Investments first reported a position in KOSS in Q3 2025 and held it in 1 quarter. The position peaked at $67.8K in Q3 2025. 22 funds tracked by Wall St. Rank hold KOSS as of Q4 2025.

  • Two Sigma Investments reported no remaining Koss Corp position as of Q4 2025 after selling out during the quarter.
  • Two Sigma Investments sold 13,355 Koss Corp shares in Q4 2025, an estimated $67.8K.
  • Two Sigma Investments first reported a position in Koss Corp in Q3 2025 and held it in 1 quarter.
  • Two Sigma Investments's Koss Corp position peaked at $67.8K in Q3 2025.
  • 22 funds tracked by Wall St. Rank held Koss Corp as of Q4 2025.

Based on Two Sigma Investments's 13F filing for Q4 2025, filed 17 Feb 2026.