Citadel Advisors
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Citadel Advisors’s Usio Inc USIO Stock Holding History

Citadel Advisors’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
2025
Q1 		– Sell
-200
Closed -$292 – 15621
2024
Q4 		$292 Buy
+200
New +$283 ﹤0.01% 14352
2024
Q3 		– Sell
-1,200
Closed -$1.84K – 15306
2024
Q2 		$1.84K Buy
+1,200
New +$1.85K ﹤0.01% 13771
2023
Q2 		– Sell
-1,500
Closed -$2.61K – 15277
2023
Q1 		$2.61K Hold
1,500
– – ﹤0.01% 14123
2022
Q4 		$2.4K Buy
+1,500
New +$3K ﹤0.01% 14344

Other funds holding USIO

WT
Whittier Trust South Pasadena, California $10.2B AUM 33.39% 1-Year Est. Return
Vanguard Capital Management
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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
NSIM
North Star Investment Management Chicago, Illinois $1.84B AUM 28.81% 1-Year Est. Return
SWM
Stonebridge Wealth Management Oak Brook, Illinois $112M AUM 23.07% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
SL
Sentinus LLC Oak Brook, Illinois $1.25B AUM 22.33% 1-Year Est. Return

Citadel Advisors's USIO Position: Q2 2026 in Review

Citadel Advisors reduced its Usio Inc (USIO) stake by 61% in Q2 2026, selling an estimated $161K and leaving 71,027 shares worth $176K. The position accounts for ﹤0.01% of the portfolio, ranked #12209.

Citadel Advisors first reported a position in USIO in Q2 2018 and has held it in 21 quarters since. The position peaked at $288K in Q4 2025. 33 funds tracked by Wall St. Rank hold USIO as of Q2 2026.

  • Citadel Advisors held 71,027 shares of Usio Inc worth $176K as of Q2 2026.
  • Citadel Advisors sold 109,052 Usio Inc shares in Q2 2026, an estimated $161K.
  • Usio Inc made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #12209 holding.
  • Citadel Advisors first reported a position in Usio Inc in Q2 2018 and has held it in 21 quarters since.
  • Citadel Advisors's Usio Inc position peaked at $288K in Q4 2025.
  • 33 funds tracked by Wall St. Rank held Usio Inc as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.