Ticker · CUSIP 500692108
Holders (tracked)
1
Combined shares
13,355
Combined value
$67.8K
Last close
—
Quarter
2025Q3
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
SEC event timeline
2 events
- Two Sigma Investments exited2026-02-17−13,355 shares · 2025Q413F
- Two Sigma Investments opened position2025-11-14+13,355 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q3
13F transactions reported for the latest quarter, grouped by direction.
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2020Q4 | 2 | $232K |
| 2021Q1 | 2 | $527K |
| 2021Q2 | 3 | $3.0M |
| 2021Q3 | 2 | $1.2M |
| 2022Q1 | 2 | $681K |
| 2022Q2 | 2 | $695K |
| 2022Q3 | 1 | $389 |
| 2022Q4 | 3 | $388K |
| 2023Q1 | 2 | $294K |
| 2023Q2 | 2 | $291K |
| 2023Q3 | 2 | $186K |
| 2023Q4 | 2 | $210K |
| 2024Q1 | 3 | $197K |
| 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
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Two Sigma Investments | 13.4K | $68K |
Recent moves
20 transactions
- −13,355 · 2025Q4
- +13,355 · 2025Q3
- TRIMBlackRock−9,828 · 2024Q2
- −22,660 · 2024Q2
- +9,560 · 2024Q1
- TRIMBlackRock−641 · 2024Q1
- TRIMBlackRock−120 · 2023Q4
- +2,500 · 2023Q4
- +10,600 · 2023Q3
- TRIMBlackRock−544 · 2023Q3
- −22,436 · 2023Q2
- TRIMBlackRock−427 · 2023Q2
- −21,820 · 2023Q1
- ADDBlackRock+2,159 · 2023Q1
- +44,256 · 2022Q4
- ADDBlackRock+200 · 2022Q4
- −38,033 · 2022Q3
- TRIMBlackRock−756 · 2022Q3
- +38,033 · 2022Q2
- TRIMBlackRock−174 · 2022Q2
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