Penbrook Management LLC - DATA I O CORP ownership

DATA I O CORP's ticker is DAIO and the CUSIP is 237690102. A total of 30 filers reported holding DATA I O CORP in Q3 2023. The put-call ratio across all filers is 0.54 and the average weighting 0.1%.

Quarter-by-quarter ownership
Penbrook Management LLC ownership history of DATA I O CORP
ValueSharesWeighting
Q3 2023$1,311,593
-12.0%
344,250
-0.9%
0.96%
-11.0%
Q2 2023$1,489,703
-13.7%
347,2500.0%1.08%
-18.3%
Q1 2023$1,725,833
+24.3%
347,250
-0.7%
1.32%
+11.7%
Q4 2022$1,388,507
+41.8%
349,750
-0.3%
1.18%
+40.3%
Q3 2022$979,000
-9.1%
350,7500.0%0.84%
-0.7%
Q2 2022$1,077,000
-27.8%
350,750
-0.1%
0.85%
-12.3%
Q1 2022$1,492,000
-7.8%
350,9500.0%0.97%
-0.7%
Q4 2021$1,618,000
-29.0%
350,950
+0.6%
0.98%
-31.1%
Q3 2021$2,279,000
-4.4%
348,950
-0.3%
1.42%
-0.8%
Q2 2021$2,383,000
+23.1%
349,950
-2.0%
1.43%
+2.5%
Q1 2021$1,936,000
+30.6%
357,250
-0.7%
1.39%
+22.0%
Q4 2020$1,482,000
+27.8%
359,750
-1.4%
1.14%
+13.5%
Q3 2020$1,160,000
+11.5%
364,850
+18.6%
1.01%
-1.7%
Q2 2020$1,040,000
+22.5%
307,610
+1.9%
1.02%
-5.9%
Q1 2020$849,000
-35.0%
302,010
-1.8%
1.09%
-14.7%
Q4 2019$1,307,000
+15.1%
307,610
+5.5%
1.27%
+3.3%
Q3 2019$1,136,000
-14.1%
291,610
-0.7%
1.23%
-13.0%
Q2 2019$1,322,000
-18.7%
293,710
+0.2%
1.42%
-16.2%
Q1 2019$1,627,000
+6.1%
293,110
-4.4%
1.69%
-3.3%
Q4 2018$1,533,000
-4.4%
306,5800.0%1.75%
+13.9%
Q3 2018$1,603,000
-21.8%
306,580
-5.0%
1.54%
-22.2%
Q2 2018$2,050,000
-14.6%
322,7800.0%1.97%
-17.9%
Q1 2018$2,401,000
-55.5%
322,780
-28.0%
2.40%
-50.6%
Q4 2017$5,398,000
+229.7%
448,340
-3.6%
4.86%
+175.5%
Q3 2016$1,637,000
+49.9%
465,0900.0%1.76%
+46.5%
Q2 2016$1,092,000
-12.7%
465,090
-2.6%
1.20%
-12.6%
Q1 2016$1,251,000
+3.6%
477,390
-0.4%
1.38%
+11.1%
Q4 2015$1,208,000
+6.4%
479,390
-1.6%
1.24%
+3.1%
Q3 2015$1,135,000
-32.4%
487,040
-0.7%
1.20%
-24.6%
Q2 2015$1,678,000
-7.6%
490,7000.0%1.59%
-1.2%
Q1 2015$1,816,000
+2.4%
490,700
-6.4%
1.61%
+0.9%
Q4 2014$1,773,000
+0.7%
524,416
-2.0%
1.60%
-1.5%
Q3 2014$1,760,000
+9.6%
535,050
+0.3%
1.62%
+14.5%
Q2 2014$1,606,000
-53.6%
533,550
-50.1%
1.42%
-14.4%
Q1 2014$3,459,000
+150.5%
1,070,200
+99.2%
1.66%
+23.7%
Q4 2013$1,381,000537,2501.34%
Other shareholders
DATA I O CORP shareholders Q3 2023
NameSharesValueWeighting ↓
Penbrook Management LLC 293,110$1,627,0001.69%
PERRITT CAPITAL MANAGEMENT INC 120,000$666,0000.25%
Cable Hill Partners, LLC 40,000$222,0000.07%
Alambic Investment Management, L.P. 29,231$162,0000.07%
Manatuck Hill Partners, LLC 22,800$127,0000.06%
BARD ASSOCIATES INC 16,350$91,0000.05%
Eagle Ridge Investment Management 39,080$217,0000.03%
ESSEX INVESTMENT MANAGEMENT CO LLC 34,614$192,0000.03%
Municipal Employees' Retirement System of Michigan 73,710$409,0000.03%
Axiom Investment Management LLC 18,100$101,0000.02%
View complete list of DATA I O CORP shareholders