Security key
500692108
- Security type / class
- Equity / COM
- Total 13F shares
- 481,007
- Total 13F value
- $1,722,039
- Share change
- -1,304
- SEC-reported price per share
- $3.58
- Number of holders
- 23
- Value change
- -$4,789
- Number of buys
- 6
- Number of sells
- 7
Report period
Q1 2026
Institutions
23
Top holders
10
KOSS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
KOSS CORP SEC filings
KOSS CORP company facts
Broader feeds
Reporting periods
Holder history for CUSIP 500692108
Recent filing periods:
Ownership snapshot
Top reported holders of KOSS - KOSS CORP - COM (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Michael J. Koss
Disclosed value leader
Michael J. Koss
Comparable rows
0/15
Latest evidence
17 Feb 2026
3/4/5
13F
Highest disclosed value: $15,025,474
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Michael J. Koss has the largest disclosed position value at $15.03M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Michael J. Koss's linked filing trail.
Disclosed position value
Top 5
Michael J. Koss
$15.03M
John C. Koss Jr.
$4.71M
VANGUARD GROUP INC
$923.2K
BlackRock, Inc.
$366K
GEODE CAPITAL MANAGEMENT, LLC
$249.9K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Michael J. Koss |
3/4/5
President and CEO, Director, 10%+ Owner
|
—
class O/S missing
|
$15,025,474
3,629,342 shares
|
— | 17 Feb 2026 |
| John C. Koss Jr. |
3/4/5
Vice President - Sales
|
—
class O/S missing
|
$4,713,981
809,502 shares
|
— | 10 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
—
class O/S missing
|
$923,183
222,991 shares
|
— | 31 Dec 2025 |
| BlackRock, Inc. |
13F
Company
|
—
class O/S missing
|
$365,997
88,405 shares
|
— | 31 Dec 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
class O/S missing
|
$249,854
60,342 shares
|
— | 31 Dec 2025 |
| William Jesse Sweasy |
3/4/5
Director
|
—
class O/S missing
|
$146,000
20,000 shares
|
— | 02 Jun 2022 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
23
Shares
481,007
Rows available
23
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
22
Q1 2026 holders
23
Holder diff
1
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend