Security key
237690102
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 3,306,975
- Total 13F value
- $14,049,845
- Share change
- +90,859
- SEC-reported price per share
- $4.25
- Number of holders
- 25
- Value change
- +$380,201
- Number of buys
- 4
- Number of sells
- 15
- Shares outstanding
- 10,367,919
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2022
Institutions
25
Top holders
10
DAIO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2022
Previous quarter: Q4 2021
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
RENAISSANCE TECHNOLOGIES LLC
Disclosed value leader
RENAISSANCE TECHNOLOGIES LLC
Comparable rows
15/15
Latest evidence
31 Dec 2021
13F
Lead comparable stake: 6.2%
Showing 1-6 of 15 holder rows.
Quick read
RENAISSANCE TECHNOLOGIES LLC leads the comparable SEC ownership view at 6.2%.
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 RENAISSANCE TECHNOLOGIES LLC's linked filing trail.
Comparable ownership
Top 5
RENAISSANCE TECHNOLOGIES LLC
6.2%
Kanen Wealth Management LLC
5.7%
Penbrook Management LLC
3.4%
VANGUARD GROUP INC
3.2%
DIMENSIONAL FUND ADVISORS LP
2.7%
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 |
|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
6.2%
|
$2,979,000
646,243 shares
|
— | 31 Dec 2021 |
| Kanen Wealth Management LLC |
13F
Company
|
5.7%
|
$2,735,855
593,461 shares
|
— | 31 Dec 2021 |
| Penbrook Management LLC |
13F
Company
|
3.4%
|
$1,618,000
350,950 shares
|
— | 31 Dec 2021 |
| VANGUARD GROUP INC |
13F
Company
|
3.2%
|
$1,526,000
330,939 shares
|
— | 31 Dec 2021 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
2.7%
|
$1,313,000
284,732 shares
|
— | 31 Dec 2021 |
| Kovack Advisors, Inc. |
13F
Company
|
2.7%
|
$1,267,000
274,802 shares
|
— | 31 Dec 2021 |
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 2022
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
25
Shares
3,306,975
Rows available
25
| 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 2022 vs Q4 2021 Across Filers
Q4 2021 holders
27
Q1 2022 holders
25
Holder diff
-2
| Investor | Q4 2021 Shares | Q1 2022 Shares | Share Diff | Share Chg % | Q4 2021 value | Q1 2022 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend