Ken Griffin
USIO icon

Ken Griffin’s Usio Inc USIO Stock Holding History

Ken Griffin’s Portfolio USIO Stock Details USIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$205K Sell
180,079
-31,719
-15% -$41.6K ﹤0.01% 11363
2025
Q4 		$288K Buy
211,798
+133,305
+170% +$190K ﹤0.01% 10237
2025
Q3 		$111K Buy
78,493
+39,959
+104% +$63.1K ﹤0.01% 11770
2025
Q2 		$59K Buy
+38,534
New +$56.4K ﹤0.01% 11688
2025
Q1 		– Sell
-94,834
Closed -$138K – 15620
2024
Q4 		$138K Buy
94,834
+76,542
+418% +$108K ﹤0.01% 11009
2024
Q3 		$24.9K Sell
18,292
-45,467
-71% -$68.2K ﹤0.01% 12609
2024
Q2 		$97.6K Buy
63,759
+25,107
+65% +$38.7K ﹤0.01% 10950
2024
Q1 		$65.7K Sell
38,652
-2,648
-6% -$4.53K ﹤0.01% 11893
2023
Q4 		$71K Buy
41,300
+19,704
+91% +$36.1K ﹤0.01% 11372
2023
Q3 		$37.8K Sell
21,596
-9,015
-29% -$15.3K ﹤0.01% 12062
2023
Q2 		$56.9K Buy
30,611
+12,664
+71% +$24.6K ﹤0.01% 11653
2023
Q1 		$31.2K Buy
17,947
+10,952
+157% +$20.2K ﹤0.01% 12696
2022
Q4 		$11.2K Sell
6,995
-6,759
-49% -$13.5K ﹤0.01% 13584
2022
Q3 		$18K Buy
+13,754
New +$25.2K ﹤0.01% 12115
2022
Q1 		– Sell
-54,695
Closed -$191K – 14628
2021
Q4 		$239K Buy
+54,695
New +$329K ﹤0.01% 11462
2021
Q3 		– Sell
-35,312
Closed -$206K – 14697
2021
Q2 		$226K Buy
35,312
+5,838
+20% +$36.4K ﹤0.01% 11902
2021
Q1 		$189K Buy
29,474
+6,220
+27% +$33K ﹤0.01% 11773
2020
Q4 		$62K Buy
+23,254
New +$41.3K ﹤0.01% 10486
2020
Q3 		– Sell
-12,072
Closed -$24K – 10771
2020
Q2 		$24K Buy
+12,072
New +$20.9K ﹤0.01% 9514
2018
Q3 		– Sell
-13,497
Closed -$22K – 9707
2018
Q2 		$22K Buy
+13,497
New +$22.6K ﹤0.01% 8629

Other funds holding USIO

WT
Whittier Trust South Pasadena, California $10.2B AUM 33.39% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
PCM
Perkins Capital Management Wayzata, Minnesota $133M AUM 127.86% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
NSIM
North Star Investment Management Chicago, Illinois $1.84B AUM 28.81% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
BCM
Bridgeway Capital Management Houston, Texas $4.97B AUM 44.96% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SL
Sentinus LLC Oak Brook, Illinois $1.25B AUM 22.33% 1-Year Est. Return

Ken Griffin's USIO Position: Q1 2026 in Review

Ken Griffin reduced its Usio Inc (USIO) stake by 15% in Q1 2026, selling an estimated $41.6K and leaving 180,079 shares worth $205K. The position accounts for ﹤0.01% of the portfolio, ranked #11363.

Ken Griffin first reported a position in USIO in Q2 2018 and has held it in 20 quarters since. The position peaked at $288K in Q4 2025. 28 funds tracked by Wall St. Rank hold USIO as of Q1 2026.

  • Ken Griffin held 180,079 shares of Usio Inc worth $205K as of Q1 2026.
  • Ken Griffin sold 31,719 Usio Inc shares in Q1 2026, an estimated $41.6K.
  • Usio Inc made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #11363 holding.
  • Ken Griffin first reported a position in Usio Inc in Q2 2018 and has held it in 20 quarters since.
  • Ken Griffin's Usio Inc position peaked at $288K in Q4 2025.
  • 28 funds tracked by Wall St. Rank held Usio Inc as of Q1 2026.

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