Spark Investment Management LLC - DATA I O CORP ownership

DATA I O CORP's ticker is DAIO and the CUSIP is 237690102. A total of 32 filers reported holding DATA I O CORP in Q2 2017. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
Spark Investment Management LLC ownership history of DATA I O CORP
ValueSharesWeighting
Q4 2019$48,000
-23.8%
11,400
-30.1%
0.01%
-25.0%
Q3 2019$63,000
-30.8%
16,300
-19.7%
0.01%
+33.3%
Q2 2019$91,000
-57.1%
20,300
-47.1%
0.01%
-40.0%
Q1 2019$212,000
+11.0%
38,3460.0%0.01%
-23.1%
Q4 2018$191,000
-41.4%
38,346
-38.6%
0.01%
-31.6%
Q3 2018$326,000
-51.1%
62,483
-40.5%
0.02%
-51.3%
Q2 2018$667,000
-14.6%
105,1000.0%0.04%
-22.0%
Q1 2018$781,000
+6.4%
105,100
+72.3%
0.05%
+28.2%
Q4 2017$734,000
+54.9%
61,000
+28.2%
0.04%
+56.0%
Q3 2017$474,000
-3.5%
47,600
-23.0%
0.02%
-16.7%
Q2 2017$491,000
+253.2%
61,800
+120.7%
0.03%
+233.3%
Q1 2017$139,00028,0000.01%
Other shareholders
DATA I O CORP shareholders Q2 2017
NameSharesValueWeighting ↓
Penbrook Management LLC 479,390$1,208,0001.24%
PERRITT CAPITAL MANAGEMENT INC 180,888$456,0000.10%
Renaissance Technologies 298,200$751,0000.00%
Bank of New York Mellon Corp 20,390$51,0000.00%
Tower Research Capital LLC (TRC) 368$1,0000.00%
ROYAL BANK OF CANADA 21,050$53,0000.00%
BlackRock Fund Advisors 969$2,0000.00%
VANGUARD GROUP INC 261,353$658,0000.00%
UBS Group AG 2,263$6,0000.00%
DIMENSIONAL FUND ADVISORS LP 300,492$757,0000.00%
View complete list of DATA I O CORP shareholders