Renaissance Technologies
DAIO icon

Renaissance Technologies’s Data I/O DAIO Stock Holding History

Renaissance Technologies’s Portfolio DAIO Stock Details DAIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.03M Sell
407,643
-29,994
-7% -$87.3K ﹤0.01% 2264
2025
Q4 		$1.39M Sell
437,637
-39,197
-8% -$118K ﹤0.01% 2089
2025
Q3 		$1.59M Buy
476,834
+491
+0.1% +$1.59K ﹤0.01% 2217
2025
Q2 		$1.48M Sell
476,343
-3,272
-0.7% -$8.24K ﹤0.01% 2296
2025
Q1 		$1.18M Sell
479,615
-24,028
-5% -$67K ﹤0.01% 2315
2024
Q4 		$1.4M Buy
503,643
+3,654
+0.7% +$9.58K ﹤0.01% 2298
2024
Q3 		$1.28M Sell
499,989
-17,554
-3% -$45.2K ﹤0.01% 2300
2024
Q2 		$1.43M Sell
517,543
-10,055
-2% -$31.2K ﹤0.01% 2103
2024
Q1 		$1.86M Sell
527,598
-15,045
-3% -$49.3K ﹤0.01% 2079
2023
Q4 		$1.59M Buy
542,643
+11,188
+2% +$36K ﹤0.01% 2088
2023
Q3 		$2.02M Buy
531,455
+6,912
+1% +$28K ﹤0.01% 1850
2023
Q2 		$2.25M Buy
524,543
+500
+0.1% +$2.22K ﹤0.01% 1925
2023
Q1 		$2.6M Sell
524,043
-20,600
-4% -$90.2K ﹤0.01% 1864
2022
Q4 		$2.16M Sell
544,643
-10,800
-2% -$39K ﹤0.01% 2021
2022
Q3 		$1.55M Sell
555,443
-27,900
-5% -$89.6K ﹤0.01% 2205
2022
Q2 		$1.79M Buy
583,343
+1,815
+0.3% +$6K ﹤0.01% 2272
2022
Q1 		$2.47M Sell
581,528
-64,715
-10% -$302K ﹤0.01% 2074
2021
Q4 		$2.98M Sell
646,243
-53,300
-8% -$285K ﹤0.01% 1854
2021
Q3 		$4.57M Buy
699,543
+36,900
+6% +$225K 0.01% 1526
2021
Q2 		$4.51M Buy
662,643
+10,600
+2% +$63K 0.01% 1698
2021
Q1 		$3.53M Sell
652,043
-49,400
-7% -$263K ﹤0.01% 1868
2020
Q4 		$2.89M Buy
701,443
+27,372
+4% +$105K ﹤0.01% 1914
2020
Q3 		$2.14M Buy
674,071
+14,808
+2% +$52.1K ﹤0.01% 2083
2020
Q2 		$2.23M Buy
659,263
+27,394
+4% +$85.8K ﹤0.01% 2129
2020
Q1 		$1.78M Sell
631,869
-33,239
-5% -$122K ﹤0.01% 2112
2019
Q4 		$2.83M Buy
665,108
+6,194
+0.9% +$24.8K ﹤0.01% 2158
2019
Q3 		$2.57M Sell
658,914
-13,128
-2% -$53K ﹤0.01% 2148
2019
Q2 		$3.02M Sell
672,042
-13,846
-2% -$66.2K ﹤0.01% 2113
2019
Q1 		$3.81M Buy
685,888
+19,300
+3% +$114K ﹤0.01% 1984
2018
Q4 		$3.33M Sell
666,588
-62,287
-9% -$308K ﹤0.01% 1977
2018
Q3 		$3.81M Buy
728,875
+59,275
+9% +$333K ﹤0.01% 1967
2018
Q2 		$4.25M Buy
669,600
+5,700
+0.9% +$40.3K ﹤0.01% 1892
2018
Q1 		$4.94M Buy
663,900
+5,500
+0.8% +$54.7K 0.01% 1818
2017
Q4 		$7.93M Buy
658,400
+33,200
+5% +$393K 0.01% 1526
2017
Q3 		$6.23M Sell
625,200
-8,600
-1% -$73.5K 0.01% 1626
2017
Q2 		$5.04M Buy
633,800
+169,500
+37% +$1.13M 0.01% 1708
2017
Q1 		$2.32M Buy
464,300
+102,700
+28% +$475K ﹤0.01% 2161
2016
Q4 		$1.51M Buy
361,600
+32,600
+10% +$130K ﹤0.01% 2358
2016
Q3 		$1.16M Buy
329,000
+21,800
+7% +$71.5K ﹤0.01% 2498
2016
Q2 		$722K Buy
307,200
+5,300
+2% +$12.8K ﹤0.01% 2661
2016
Q1 		$791K Buy
301,900
+3,700
+1% +$8.43K ﹤0.01% 2687
2015
Q4 		$751K Buy
298,200
+3,200
+1% +$8.76K ﹤0.01% 2586
2015
Q3 		$687K Buy
295,000
+3,000
+1% +$8.49K ﹤0.01% 2528
2015
Q2 		$999K Buy
292,000
+7,300
+3% +$24.8K ﹤0.01% 2453
2015
Q1 		$1.05M Buy
284,700
+12,100
+4% +$39.9K ﹤0.01% 2284
2014
Q4 		$921K Buy
272,600
+9,900
+4% +$32.9K ﹤0.01% 2160
2014
Q3 		$864K Buy
262,700
+7,700
+3% +$23.7K ﹤0.01% 2094
2014
Q2 		$768K Buy
255,000
+9,900
+4% +$26.6K ﹤0.01% 2152
2014
Q1 		$588K Buy
245,100
+7,500
+3% +$20.7K ﹤0.01% 2294
2013
Q4 		$611K Buy
237,600
+5,600
+2% +$15.7K ﹤0.01% 2290
2013
Q3 		$708K Buy
232,000
+4,800
+2% +$11.6K ﹤0.01% 2165
2013
Q2 		$509K Buy
+227,200
New +$413K ﹤0.01% 2234

Other funds holding DAIO

KWM
Kanen Wealth Management Coconut Creek, Florida $278M AUM 38.85% 1-Year Est. Return
PM
Penbrook Management New York $157M AUM 46.57% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
KA
Kovack Advisors Ft. Lauderdale, Florida $2.08B AUM 38.95% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
EIM
Essex Investment Management Boston, Massachusetts $632M AUM 95.36% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
SPIA
Steward Partners Investment Advisory New York $19.6B AUM 22.89% 1-Year Est. Return

Renaissance Technologies's DAIO Position: Q1 2026 in Review

Renaissance Technologies reduced its Data I/O (DAIO) stake by 6.9% in Q1 2026, selling an estimated $87.3K and leaving 407,643 shares worth $1.03M. The position accounts for ﹤0.01% of the portfolio, ranked #2264.

Renaissance Technologies first reported a position in DAIO in Q2 2013 and has held it in 52 quarters since. The position peaked at $7.93M in Q4 2017. 29 funds tracked by Wall St. Rank hold DAIO as of Q1 2026.

  • Renaissance Technologies held 407,643 shares of Data I/O worth $1.03M as of Q1 2026.
  • Renaissance Technologies sold 29,994 Data I/O shares in Q1 2026, an estimated $87.3K.
  • Data I/O made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #2264 holding.
  • Renaissance Technologies first reported a position in Data I/O in Q2 2013 and has held it in 52 quarters since.
  • Renaissance Technologies's Data I/O position peaked at $7.93M in Q4 2017.
  • 29 funds tracked by Wall St. Rank held Data I/O as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.