Security key
500692108
- Security type / class
- Equity / COM
- Total 13F shares
- 632,942
- Total 13F value
- $970,000
- Share change
- -12,626
- SEC-reported price per share
- $1.54
- Number of holders
- 12
- Value change
- -$27,307
- Number of buys
- 3
- Number of sells
- 4
Report period
Q4 2019
Institutions
12
Top holders
10
KOSS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 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
Minerva Advisors LLC
Disclosed value leader
Minerva Advisors LLC
Comparable rows
0/13
Latest evidence
30 Sep 2019
13F
Highest disclosed value: $455,000
13 rows are not safely comparable across share classes.
Showing 1-6 of 13 holder rows.
Quick read
Minerva Advisors LLC has the largest disclosed position value at $455K.
0 of 13 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 Minerva Advisors LLC's linked filing trail.
Disclosed position value
Top 5
Minerva Advisors LLC
$455K
DIMENSIONAL FUND ADVISORS LP
$334K
CIBC BANK USA
$159K
Glenview Trust Co
$60K
Bank of New York Mellon Corp
$56K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 13 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Minerva Advisors LLC |
13F
Company
|
—
class O/S missing
|
$455,000
227,623 shares
|
— | 30 Sep 2019 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
class O/S missing
|
$334,000
167,051 shares
|
— | 30 Sep 2019 |
| CIBC BANK USA |
13F
Company
|
—
class O/S missing
|
$159,000
79,661 shares
|
— | 30 Sep 2019 |
| Glenview Trust Co |
13F
Company
|
—
class O/S missing
|
$60,000
30,000 shares
|
— | 30 Sep 2019 |
| Bank of New York Mellon Corp |
13F
Company
|
—
class O/S missing
|
$56,000
28,095 shares
|
— | 30 Sep 2019 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
class O/S missing
|
$47,000
23,596 shares
|
— | 30 Sep 2019 |
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 Q4 2019
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
12
Shares
632,942
Rows available
12
| 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 Q4 2019 vs Q1 2026 Across Filers
Q1 2026 holders
23
Q4 2019 holders
12
Holder diff
-11
| Investor | Q1 2026 Shares | Q4 2019 Shares | Share Diff | Share Chg % | Q1 2026 value | Q4 2019 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend