Jane Street
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Jane Street’s Koss Corp KOSS Stock Holding History

Jane Street’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
Q1 		– Sell
-16,982
Closed -$125K – 10074
2024
Q4 		$125K Buy
+16,982
New +$124K ﹤0.01% 8661
2022
Q1 		– Sell
-33,340
Closed -$356K – 10687
2021
Q4 		$356K Sell
33,340
-8,768
-21% -$130K ﹤0.01% 7865
2021
Q3 		$688K Buy
42,108
+20,401
+94% +$376K ﹤0.01% 6674
2021
Q2 		$504K Buy
+21,707
New +$466K ﹤0.01% 7223

Other funds holding KOSS

Lido Advisors
Lido Advisors Los Angeles, California $32.7B AUM 19.2% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
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
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 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
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
PNC Financial Services Group
PNC Financial Services Group Pittsburgh, Pennsylvania $173B AUM 20.72% 1-Year Est. Return

Jane Street's KOSS Position: Q1 2025 in Review

Jane Street sold out of Koss Corp (KOSS) in Q1 2025, closing a stake of 16,982 shares — an estimated $125K sold.

Jane Street first reported a position in KOSS in Q2 2021 and held it in 4 quarters. The position peaked at $688K in Q3 2021. 22 funds tracked by Wall St. Rank hold KOSS as of Q1 2025.

  • Jane Street reported no remaining Koss Corp position as of Q1 2025 after selling out during the quarter.
  • Jane Street sold 16,982 Koss Corp shares in Q1 2025, an estimated $125K.
  • Jane Street first reported a position in Koss Corp in Q2 2021 and held it in 4 quarters.
  • Jane Street's Koss Corp position peaked at $688K in Q3 2021.
  • 22 funds tracked by Wall St. Rank held Koss Corp as of Q1 2025.

Based on Jane Street's 13F filing for Q1 2025, filed 14 May 2025.