Ticker · CUSIP 500692108

KOSS

KOSS CORP
···Share
Holders (tracked)
1
Combined shares
13,355
Combined value
$67.8K
Last close
$4.17
Quarter
2025Q3
Price · 1Y$4.17-0.43 (-9.35%)H $6.51 · L $3.50 · Avg Vol 77K
Position opened
$4.00$5.00$6.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
122023Q12025Q3
Price is -17.9% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

2 events
  1. Two Sigma Investments exited2026-02-17
    −13,355 shares · 2025Q4
    Position
  2. Two Sigma Investments opened position2025-11-14
    +13,355 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for KOSS →
Follow-the-investor returns
If you'd copied each holder of KOSS…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Two Sigma Investments2025Q3$5.08-17.9%$56K

Who moved on this name in 2025Q3

Position changes reported for the latest quarter, grouped by direction.
New positions1
Added to0
—
Trimmed0
—
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2020Q4
2
$232K
2021Q1
2
$527K
2021Q2
3
$3.0M
2021Q3
2
$1.2M
2022Q1
2
$681K
2022Q2
2
$695K
2022Q3
1
$389K
2022Q4
3
$604K
2023Q1
2
$398K
2023Q2
2
$291K
2023Q3
2
$217K
2023Q4
2
$253K
2024Q1
3
$255K
2024Q2
1
$232K
2024Q4
1
$212K
2025Q3
1
$68K

Who owns KOSS

1 super-investors · 2025Q3
Tracked stake
13.4K
shares
Combined value
$68K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1
#ManagerSharesValue
1Two Sigma Investments13.4K$68K

Recent moves

20 transactions
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