- Type / Class
- Equity / Common Stock
- Shares outstanding
- 9,391,352
- Total 13F shares
- 3,423,528
- Share change
- +95,464
- Total reported value
- $18,553,000
- Price per share
- $5.42
- Number of holders
- 27
- Value change
- +$762,966
- Number of buys
- 13
- Number of sells
- 10
Quarterly Holders Quick Answers
What is CUSIP 237690102?
CUSIP 237690102 identifies DAIO - DATA I/O CORP - Common Stock in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 237690102:
Top shareholders of DAIO - DATA I/O CORP - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
7.5%
|
701,443
|
$2,890,000 | — | 31 Dec 2020 | |
| Penbrook Management LLC |
13F
|
Company |
3.8%
|
359,750
|
$1,482,000 | — | 31 Dec 2020 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
3.8%
|
357,408
|
$1,473,000 | — | 31 Dec 2020 | |
| VANGUARD GROUP INC |
13F
|
Company |
3.5%
|
326,267
|
$1,345,000 | — | 31 Dec 2020 | |
| UNITED CAPITAL FINANCIAL ADVISORS, LLC |
13F
|
Company |
2.5%
|
235,867
|
$972,000 | — | 31 Dec 2020 | |
| Kovack Advisors, Inc. |
13F
|
Company |
2.5%
|
235,063
|
$968,000 | — | 31 Dec 2020 | |
| AIGH Capital Management LLC |
13F
|
Company |
2.1%
|
198,845
|
$820,000 | — | 31 Dec 2020 | |
| Janney Montgomery Scott LLC |
13F
|
Company |
2.1%
|
194,600
|
$802,000 | — | 31 Dec 2020 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
2.1%
|
193,916
|
$799,000 | — | 31 Dec 2020 | |
| Select Equity Group, L.P. |
13F
|
Company |
2%
|
185,500
|
$764,260 | — | 31 Dec 2020 | |
| Worth Venture Partners, LLC |
13F
|
Company |
0.54%
|
50,387
|
$208,000 | — | 31 Dec 2020 | |
| PERRITT CAPITAL MANAGEMENT INC |
13F
|
Company |
0.48%
|
45,000
|
$185,000 | — | 31 Dec 2020 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.43%
|
40,438
|
$166,000 | — | 31 Dec 2020 | |
| Cannell & Co. |
13F
|
Company |
0.34%
|
32,000
|
$132,000 | — | 31 Dec 2020 | |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
13F
|
Company |
0.29%
|
27,600
|
$114,000 | — | 31 Dec 2020 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.27%
|
25,197
|
$104,000 | — | 31 Dec 2020 | |
| BlackRock Finance, Inc. |
13F
|
Company |
0.26%
|
24,174
|
$99,000 | — | 31 Dec 2020 | |
| BARD ASSOCIATES INC |
13F
|
Company |
0.23%
|
21,625
|
$89,000 | — | 31 Dec 2020 | |
| Cable Hill Partners, LLC |
13F
|
Company |
0.21%
|
20,000
|
$82,000 | — | 31 Dec 2020 | |
| NewEdge Advisors, LLC |
13F
|
Company |
0.16%
|
14,723
|
$61,000 | — | 31 Dec 2020 | |
| JAMES INVESTMENT RESEARCH, INC. |
13F
|
Company |
0.16%
|
14,723
|
$60,000 | — | 31 Dec 2020 | |
| Greenhaven Road Investment Management, L.P. |
13F
|
Company |
0.12%
|
11,432
|
$47,000 | — | 31 Dec 2020 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.08%
|
7,500
|
$31,000 | — | 31 Dec 2020 | |
| MORGAN STANLEY |
13F
|
Company |
0.04%
|
3,560
|
$15,000 | — | 31 Dec 2020 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0.01%
|
597
|
$3,000 | — | 31 Dec 2020 | |
| OSAIC HOLDINGS, INC. |
13F
|
Company |
0.01%
|
600
|
$2,000 | — | 31 Dec 2020 |
Institutional Holders of DATA I/O CORP - Common Stock (DAIO) as of Q1 2021
As of 31 Mar 2021,
DATA I/O CORP - Common Stock (DAIO) was held by
27 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
3,423,528 shares.
The largest 10 holders included
RENAISSANCE TECHNOLOGIES LLC, AIGH Capital Management LLC, Penbrook Management LLC, VANGUARD GROUP INC, DIMENSIONAL FUND ADVISORS LP, Kovack Advisors, Inc., UNITED CAPITAL FINANCIAL ADVISERS, LLC, Janney Montgomery Scott LLC, ACADIAN ASSET MANAGEMENT LLC, and Worth Venture Partners, LLC.
This page lists
27
institutional shareholders reporting positions in this security
for the Q1 2021 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2021 vs Q4 2020 Across Filers
Q4 2020 holders
26
Q1 2021 holders
27
Holder diff
1
| Investor | Q4 2020 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q4 2020 Value $ | Q1 2021 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.