Koss Ownership | Who Owns Koss?
Koss Ownership Summary
Koss is owned by 2.83% institutional investors, 43.57% insiders, and 53.60% retail investors. Vanguard group is the largest institutional shareholder, holding 2.62% of KOSS shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 1.61% of its assets in Koss shares.
KOSS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Koss | 2.83% | 43.57% | 53.60% |
| Sector | Technology Stocks | 50.72% | 12.57% | 36.71% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 245.71K | 2.62% | $1.25M |
| Blackrock funding, inc. /de | 87.85K | 0.94% | $446.29K |
| Geode capital management | 58.44K | 0.62% | $296.92K |
| Blackrock | 52.06K | 0.56% | $231.68K |
| Dimensional fund advisors lp | 23.34K | 0.25% | $118.58K |
| State street | 17.97K | 0.19% | $91.31K |
| Goldman sachs group | 17.01K | 0.18% | $86.39K |
| Northern trust | 14.42K | 0.15% | $73.26K |
| Susquehanna group, llp | 13.92K | 0.15% | $102.72K |
| Ubs group | 13.61K | 0.14% | $69.12K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| James investment research | 10.57K | 0.01% | $53.72K |
| Activest wealth management | 1.00K | 0.00% | $5.08K |
| Newedge advisors | 10.57K | 0.00% | $53.72K |
| Creative financial designs inc /adv | 300.00 | 0.00% | $1.52K |
| Tower research capital llc (trc) | 673.00 | 0.00% | $3.42K |
| Two sigma investments, lp | 13.36K | 0.00% | $67.84K |
| Nelson, van denburg & campbell wealth management group | - | - | - |
| Guardian wealth management | - | - | - |
| Renaissance | - | - | - |
| Lido advisors | - | - | - |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Goldman sachs group | 17.01K | - | 17.01K |
| Susquehanna group, llp | 13.92K | - | 13.92K |
| Two sigma investments, lp | 13.36K | 0.00% | 13.36K |
| Dimensional fund advisors lp | 23.34K | - | 12.66K |
| Ubs group | 13.61K | - | 5.86K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Lido advisors | - | - | -2.89M |
| Marshall wace, llp | - | - | -60.58K |
| Renaissance | - | - | -22.66K |
| Jane street group | - | - | -16.98K |
| Citadel advisors | - | - | -14.62K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Goldman sachs group | 17.01K | - | 17.01K | $86.39K |
| Susquehanna group, llp | 13.92K | - | 13.92K | $102.72K |
| Two sigma investments, lp | 13.36K | 0.00% | 13.36K | $67.84K |
| Tower research capital llc (trc) | 673.00 | 0.00% | 673.00 | $3.42K |
Sold Out
| Holder | Change |
|---|---|
| Nelson, van denburg & campbell wealth management group | -7.00 |
| Guardian wealth management | -7.00 |
| Fmr | -10.00 |
| Jpmorgan chase | -11.00 |
| Northwestern mutual wealth management | -19.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 6 | -70.00% | 265,383 | -92.13% | 2 | 0.22% | 1 | -87.50% | 2 | - |
| Jun 30, 2025 | 20 | -9.09% | 3,373,068 | 0.56% | 35 | 2.81% | 8 | -20.00% | 2 | -33.33% |
| Mar 31, 2025 | 22 | -24.14% | 3,354,188 | 470.19% | 35 | 90.49% | 10 | -37.50% | 3 | 50.00% |
| Dec 31, 2024 | 29 | 31.82% | 588,257 | 38.02% | 6 | 30.00% | 16 | 77.78% | 2 | -60.00% |
| Sep 30, 2024 | 22 | 4.76% | 426,211 | -27.27% | 4 | 11.42% | 9 | - | 5 | 25.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 150.70K | 1.61% | - |
| Vanguard Total Stock Mkt Idx Inv | 143.14K | 1.53% | -3.13K |
| Vanguard Institutional Extnd Mkt Idx Tr | 67.46K | 0.72% | -30.74K |
| Fidelity Extended Market Index | 28.30K | 0.30% | -232.00 |
| Extended Equity Market Fund K | 19.82K | 0.21% | -396.00 |
| iShares Micro-Cap ETF | 11.63K | 0.12% | - |
| Fidelity Total Market Index | 11.49K | 0.12% | -24.00 |
| Fidelity Series Total Market Index | 7.41K | 0.08% | - |
| EA Bridgeway Omni Small-Cap Value ETF | 6.32K | 0.07% | - |
| Spartan Extended Market Index Pool F | 5.88K | 0.06% | 232.00 |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Dec 02, 2025 | LILLIE LENORE | - | Buy | $12.40K |
| Jun 12, 2025 | KOSS JOHN C JR | Vice President - Sales | Sell | $7.53K |
| Jun 10, 2025 | KOSS JOHN C JR | Vice President - Sales | Sell | $145.00K |
| Jun 11, 2025 | KOSS JOHN C JR | Vice President - Sales | Sell | $132.78K |
| Jun 12, 2025 | Koss Michael J Jr | VP - Marketing & Product | Sell | $29.46K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | 1 | - |
| 2025 Q2 | - | 5 |
| 2024 Q4 | - | 1 |
| 2024 Q2 | - | 1 |
| 2022 Q4 | - | - |
KOSS Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools