Security key
237690102
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 3,354,304
- Total 13F value
- $14,389,215
- Share change
- +87,573
- Put/Call ratio
- 40%
- SEC-reported price per share
- $4.29
- Number of holders
- 28
- Value change
- +$368,710
- Number of buys
- 12
- Number of sells
- 6
- Shares outstanding
- 9,391,352
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2023
Institutions
28
Top holders
10
DAIO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2023
Previous quarter: Q1 2023
DATA I/O CORP SEC filings
DATA I/O CORP company facts
Broader feeds
Reporting periods
Holder history for CUSIP 237690102
Recent filing periods:
Ownership snapshot
Top reported holders of DAIO - DATA I/O CORP - Common Stock (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
Kanen Wealth Management LLC
Disclosed value leader
Kanen Wealth Management LLC
Comparable rows
15/15
Latest evidence
31 Mar 2023
13F
Lead comparable stake: 8.6%
Showing 1-6 of 15 holder rows.
Quick read
Kanen Wealth Management LLC leads the comparable SEC ownership view at 8.6%.
15 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 Kanen Wealth Management LLC's linked filing trail.
Comparable ownership
Top 5
Kanen Wealth Management LLC
8.6%
RENAISSANCE TECHNOLOGIES LLC
5.6%
Penbrook Management LLC
3.7%
Kovack Advisors, Inc.
3.7%
VANGUARD GROUP INC
3.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Kanen Wealth Management LLC |
13F
Company
|
8.6%
|
$4,008,444
806,528 shares
|
— | 31 Mar 2023 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
5.6%
|
$2,604,000
524,043 shares
|
— | 31 Mar 2023 |
| Penbrook Management LLC |
13F
Company
|
3.7%
|
$1,725,833
347,250 shares
|
— | 31 Mar 2023 |
| Kovack Advisors, Inc. |
13F
Company
|
3.7%
|
$1,718,134
345,701 shares
|
— | 31 Mar 2023 |
| VANGUARD GROUP INC |
13F
Company
|
3.5%
|
$1,634,911
328,956 shares
|
— | 31 Mar 2023 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
2.9%
|
$1,349,912
271,612 shares
|
— | 31 Mar 2023 |
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 Q2 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
28
Shares
3,354,304
Rows available
28
| 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 Q2 2023 vs Q1 2023 Across Filers
Q1 2023 holders
30
Q2 2023 holders
28
Holder diff
-2
| Investor | Q1 2023 Shares | Q2 2023 Shares | Share Diff | Share Chg % | Q1 2023 value | Q2 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend