Citadel Advisors
DAIO icon

Citadel Advisors’s Data I/O DAIO Stock Holding History

Citadel Advisors’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 		– Sell
-32,882
Closed -$95.7K – 13176
2025
Q4 		$104K Sell
32,882
-8,690
-21% -$26.1K ﹤0.01% 11607
2025
Q3 		$139K Sell
41,572
-797
-2% -$2.58K ﹤0.01% 11593
2025
Q2 		$130K Buy
42,369
+1,148
+3% +$2.89K ﹤0.01% 11093
2025
Q1 		$101K Buy
41,221
+3,115
+8% +$8.69K ﹤0.01% 11447
2024
Q4 		$106K Sell
38,106
-2,414
-6% -$6.33K ﹤0.01% 11404
2024
Q3 		$104K Buy
40,520
+24,974
+161% +$64.3K ﹤0.01% 11063
2024
Q2 		$42.9K Sell
15,546
-13,672
-47% -$42.4K ﹤0.01% 11935
2024
Q1 		$103K Buy
29,218
+3,870
+15% +$12.7K ﹤0.01% 11323
2023
Q4 		$74.5K Buy
25,348
+11,849
+88% +$38.1K ﹤0.01% 11309
2023
Q3 		$51.4K Sell
13,499
-9,258
-41% -$37.5K ﹤0.01% 11731
2023
Q2 		$97.6K Buy
22,757
+4,639
+26% +$20.6K ﹤0.01% 10979
2023
Q1 		$90K Buy
18,118
+10,145
+127% +$44.4K ﹤0.01% 11413
2022
Q4 		$31.7K Buy
+7,973
New +$28.8K ﹤0.01% 12672
2022
Q1 		– Sell
-10,655
Closed -$49K – 13737
2021
Q4 		$49K Buy
+10,655
New +$57K ﹤0.01% 13259
2019
Q2 		– Sell
-13,808
Closed -$77K – 9260
2019
Q1 		$77K Buy
+13,808
New +$81.2K ﹤0.01% 8652
2014
Q2 		– Sell
-13,658
Closed -$33K – 8003
2014
Q1 		$33K Buy
+13,658
New +$37.8K ﹤0.01% 7030

Other funds holding DAIO

KWM
Kanen Wealth Management Coconut Creek, Florida $278M AUM 38.85% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
PM
Penbrook Management New York $132M AUM 29.91% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
KA
Kovack Advisors Ft. Lauderdale, Florida $1.87B AUM 29.51% 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

Citadel Advisors's DAIO Position: Q1 2026 in Review

Citadel Advisors sold out of Data I/O (DAIO) in Q1 2026, closing a stake of 32,882 shares — an estimated $95.7K sold.

Citadel Advisors first reported a position in DAIO in Q1 2014 and held it in 16 quarters. The position peaked at $139K in Q3 2025. 29 funds tracked by Wall St. Rank hold DAIO as of Q1 2026.

  • Citadel Advisors reported no remaining Data I/O position as of Q1 2026 after selling out during the quarter.
  • Citadel Advisors sold 32,882 Data I/O shares in Q1 2026, an estimated $95.7K.
  • Citadel Advisors first reported a position in Data I/O in Q1 2014 and held it in 16 quarters.
  • Citadel Advisors's Data I/O position peaked at $139K in Q3 2025.
  • 29 funds tracked by Wall St. Rank held Data I/O as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.