Security key
237690102
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 3,638,949
- Total 13F value
- $43,822,000
- Share change
- +1,021,751
- SEC-reported price per share
- $12.04
- Number of holders
- 40
- Value change
- +$12,465,436
- Number of buys
- 28
- Number of sells
- 11
- Shares outstanding
- 9,391,352
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2017
Institutions
40
Top holders
10
DAIO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2018
Previous quarter: Q3 2017
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
30 Sep 2017
13F
Lead comparable stake: 6.7%
Showing 1-6 of 15 holder rows.
Quick read
RENAISSANCE TECHNOLOGIES LLC leads the comparable SEC ownership view at 6.7%.
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
6.7%
DIMENSIONAL FUND ADVISORS LP
3.7%
VANGUARD GROUP INC
3.5%
PERRITT CAPITAL MANAGEMENT INC
1.5%
Ativo Capital Management LLC
1.3%
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
|
6.7%
|
$6,227,000
625,200 shares
|
— | 30 Sep 2017 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
3.7%
|
$3,463,000
347,736 shares
|
— | 30 Sep 2017 |
| VANGUARD GROUP INC |
13F
Company
|
3.5%
|
$3,254,000
326,680 shares
|
— | 30 Sep 2017 |
| PERRITT CAPITAL MANAGEMENT INC |
13F
Company
|
1.5%
|
$1,394,000
140,000 shares
|
— | 30 Sep 2017 |
| Ativo Capital Management LLC |
13F
Company
|
1.3%
|
$1,195,000
120,023 shares
|
— | 30 Sep 2017 |
| Informed Momentum Co LLC |
13F
Company
|
0.66%
|
$620,000
62,269 shares
|
— | 30 Sep 2017 |
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 2017
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
40
Shares
3,638,949
Rows available
40
| 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 2017 vs Q3 2017 Across Filers
Q3 2017 holders
28
Q4 2017 holders
40
Holder diff
12
| Investor | Q3 2017 Shares | Q4 2017 Shares | Share Diff | Share Chg % | Q3 2017 value | Q4 2017 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend