Koss Corporation
KOSS • NASDAQ
Koss Corporation is a consumer electronics company in the technology sector on NASDAQ, led by Michael J. Koss, with a market cap of $43.3M. As of Q3 2025, 6% of shares are held by 23 institutional investors, with VANGUARD GROUP INC as the largest holder at 2.6%.
Chief Executive OfficerMichael J. Koss
Market Cap$43.3M
Consumer Electronics
Technology
Employees31.0
Websitekoss.com
Country
United States of America
Overview
Overview of institutional ownership in KOSS as of Q3 2025 with a market cap of $48.0M
All Institutions
- Institutions
- 23
- Value Held
- $2.8M
- Shares Held
- 542.0K
- Avg Position
- $119.7K
- Median Position
- $53.7K
Hedge Funds
- Hedge Funds
- 1
- Value Held
- $67.8K
- Shares Held
- 13.4K
- Avg Position
- $67.8K
- Median Position
- $67.8K
Ownership Breakdown
Based on market cap of $48.0M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in KOSS as of Q3 2025
| Institution | Position Value |
|---|---|
 VANGUARD GROUP INC Institution | $1.2M 0.00% of portfolio |
B BlackRock, Inc. Institution | $446.3K 0.00% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $296.9K 0.00% of portfolio |
 DIMENSIONAL FUND ADVISORS LP Long Only Manager | $118.6K 0.00% of portfolio |
 STATE STREET CORP Institution | $91.3K 0.00% of portfolio |
 GOLDMAN SACHS GROUP INC Institution | $86.4K 0.00% of portfolio |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $74.0K 0.00% of portfolio |
 NORTHERN TRUST CORP Institution | $73.3K 0.00% of portfolio |
 UBS Group AG Institution | $69.1K 0.00% of portfolio |
 TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy | $67.8K 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for KOSS in Q3 2025
- Traded
- −$14.4M
- Buyers
- 9
- Sellers
- 8
- Total Bought
- +$332.8K
- Total Sold
- −$14.8M
- Avg Position
- $110.1K
Biggest Buyers
| Institution | Net Bought |
|---|---|
GOLDMAN SACHS GROUP INC Institution | +$86.4K +17.0K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | +$74.0K +14.6K shares |
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy | +$67.8K +13.4K shares |
DIMENSIONAL FUND ADVISORS LP Long Only Manager | +$64.3K +12.7K shares |
UBS Group AG Institution | +$29.8K +5.9K shares |
 CITIGROUP INC Institution | +$5.0K +978.0 shares |
T Tower Research Capital LLC Institution | +$3.4K +673.0 shares |
B BlackRock, Inc. Institution | +$1.6K +313.0 shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | +$564.0 +111.0 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
 Lido Advisors, LLC RIA/Wealth | −$14.8M −2.9M shares |
 MORGAN STANLEY RIA/Wealth | −$8.2K −1.6K shares |
NORTHERN TRUST CORP Institution | −$4.7K −922.0 shares |
VANGUARD GROUP INC Institution | −$4.1K −802.0 shares |
R ROYAL BANK OF CANADA Institution | −$2.2K −425.0 shares |
B Bangor Savings Bank Institution | −$765.0 −150.0 shares |
 BANK OF AMERICA CORP /DE/ Institution | −$243.8 −48.0 shares |
S SBI Securities Co., Ltd. Institution | −$5.1 −1.0 shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited KOSS in Q3 2025
- New Positions
- 1
- New Value
- $67.8K
- Exited Positions
- 2
- Exited Value
- $14.8M
New Positions
| Institution | Position Value |
|---|---|
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy | $67.8K 13.4K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
Lido Advisors, LLC RIA/Wealth | $14.8M 2.9M shares |
B Bangor Savings Bank Institution | $765.0 150.0 shares |
Options Activity
Institutions with the largest Call and Put options positions in KOSS as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with KOSS as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
 JAMES INVESTMENT RESEARCH INC Long Only Manager | 0.01% $53.7K |
 Activest Wealth Management RIA/Wealth | 0.00% $5.1K |
 Goss Wealth Management LLC RIA/Wealth | 0.00% $53.7K |
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy | 0.00% $67.8K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | 0.00% $74.0K |
 CREATIVE FINANCIAL DESIGNS INC /ADV RIA/Wealth | 0.00% $1.5K |
T Tower Research Capital LLC Institution | 0.00% $3.4K |
DIMENSIONAL FUND ADVISORS LP Long Only Manager | 0.00% $118.6K |
 PNC FINANCIAL SERVICES GROUP, INC. Institution | 0.00% $35.6K |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | 0.00% $296.9K |
Hedge Fund Spotlight
Discover hedge funds investing in KOSS
TWO SIGMA INVESTMENTS LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerScott David Hoffman
- Portfolio Value
- $62.0B
- Positions
- 3,252
- Last Reported
- Q3 2025
Sector Allocation
Position in Koss Corporation
- Market Value
- $67.8K
- Shares Held
- 13.4K
- Portfolio Weight
- 0.00%
- Owned Since
- 2025-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
ETF ETF | $680.4M | 1.10% | |
ETF ETF | $582.6M | 0.94% | |
ETF ETF | $489.6M | 0.79% |
