Citadel Advisors
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Citadel Advisors’s Interactive Brokers IBKR Stock Holding History

Citadel Advisors’s Portfolio IBKR Stock Details IBKR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$59M Sell
879,700
-97,500
-10% -$6.96M 0.01% 1202
2025
Q4 		$62.8M Sell
977,200
-394,400
-29% -$26.4M 0.01% 1217
2025
Q3 		$94.4M Buy
1,371,600
+33,300
+2% +$2.1M 0.01% 885
2025
Q2 		$74.2M Sell
1,338,300
-150,900
-10% -$7.16M 0.01% 948
2025
Q1 		$61.6M Buy
1,489,200
+171,200
+13% +$8.48M 0.01% 997
2024
Q4 		$58.2M Buy
1,318,000
+642,000
+95% +$27M 0.01% 1151
2024
Q3 		$23.6M Sell
676,000
-29,200
-4% -$904K ﹤0.01% 1880
2024
Q2 		$21.6M Buy
705,200
+165,600
+31% +$4.94M ﹤0.01% 1922
2024
Q1 		$15.1M Sell
539,600
-911,200
-63% -$22.7M ﹤0.01% 2395
2023
Q4 		$30.1M Buy
1,450,800
+374,000
+35% +$7.65M 0.01% 1618
2023
Q3 		$23.3M Buy
1,076,800
+807,200
+299% +$18M 0.01% 1699
2023
Q2 		$5.6M Sell
269,600
-400,000
-60% -$7.89M ﹤0.01% 3477
2023
Q1 		$13.8M Sell
669,600
-71,600
-10% -$1.46M ﹤0.01% 2386
2022
Q4 		$13.4M Buy
741,200
+123,200
+20% +$2.3M ﹤0.01% 2429
2022
Q3 		$9.87M Buy
618,000
+120,400
+24% +$1.85M ﹤0.01% 2789
2022
Q2 		$6.84M Sell
497,600
-431,200
-46% -$6.4M ﹤0.01% 3235
2022
Q1 		$15.3M Sell
928,800
-104,800
-10% -$1.8M ﹤0.01% 2334
2021
Q4 		$20.5M Buy
1,033,600
+143,200
+16% +$2.66M ﹤0.01% 1986
2021
Q3 		$13.9M Buy
890,400
+206,800
+30% +$3.26M ﹤0.01% 2542
2021
Q2 		$11.2M Buy
683,600
+66,400
+11% +$1.15M ﹤0.01% 2905
2021
Q1 		$11.3M Buy
617,200
+256,400
+71% +$4.62M ﹤0.01% 2801
2020
Q4 		$5.5M Sell
360,800
-85,200
-19% -$1.13M ﹤0.01% 3529
2020
Q3 		$5.39M Buy
446,000
+223,200
+100% +$2.78M ﹤0.01% 3040
2020
Q2 		$2.33M Sell
222,800
-107,200
-32% -$1.12M ﹤0.01% 4313
2020
Q1 		$3.56M Buy
330,000
+134,000
+68% +$1.62M ﹤0.01% 3192
2019
Q4 		$2.28M Sell
196,000
-16,000
-8% -$188K ﹤0.01% 4192
2019
Q3 		$2.85M Sell
212,000
-93,600
-31% -$1.16M ﹤0.01% 3936
2019
Q2 		$4.14M Sell
305,600
-71,600
-19% -$971K ﹤0.01% 3376
2019
Q1 		$4.89M Buy
377,200
+82,400
+28% +$1.08M ﹤0.01% 3036
2018
Q4 		$4.03M Sell
294,800
-146,400
-33% -$1.95M ﹤0.01% 3093
2018
Q3 		$6.1M Buy
441,200
+272,400
+161% +$4.13M ﹤0.01% 2738
2018
Q2 		$2.72M Buy
168,800
+4,400
+3% +$79.6K ﹤0.01% 3628
2018
Q1 		$2.76M Sell
164,400
-84,400
-34% -$1.4M ﹤0.01% 3245
2017
Q4 		$3.68M Buy
248,800
+52,000
+26% +$709K ﹤0.01% 2834
2017
Q3 		$2.22M Buy
196,800
+39,200
+25% +$400K ﹤0.01% 3285
2017
Q2 		$1.47M Buy
157,600
+10,000
+7% +$88.8K ﹤0.01% 3560
2017
Q1 		$1.28M Sell
147,600
-12,800
-8% -$119K ﹤0.01% 3634
2016
Q4 		$1.46M Buy
160,400
+37,600
+31% +$342K ﹤0.01% 3334
2016
Q3 		$1.08M Sell
122,800
-90,800
-43% -$804K ﹤0.01% 3737
2016
Q2 		$1.89M Sell
213,600
-7,200
-3% -$68.7K ﹤0.01% 2814
2016
Q1 		$2.17M Sell
220,800
-88,400
-29% -$780K ﹤0.01% 2557
2015
Q4 		$3.37M Buy
309,200
+116,800
+61% +$1.22M ﹤0.01% 2195
2015
Q3 		$1.9M Sell
192,400
-42,800
-18% -$440K ﹤0.01% 3014
2015
Q2 		$2.44M Buy
235,200
+122,800
+109% +$1.11M ﹤0.01% 2831
2015
Q1 		$956K Sell
112,400
-32,000
-22% -$254K ﹤0.01% 3979
2014
Q4 		$1.05M Buy
144,400
+43,600
+43% +$292K ﹤0.01% 3701
2014
Q3 		$629K Sell
100,800
-9,600
-9% -$57.1K ﹤0.01% 4327
2014
Q2 		$643K Buy
110,400
+58,400
+112% +$336K ﹤0.01% 4062
2014
Q1 		$282K Sell
52,000
-57,600
-53% -$319K ﹤0.01% 5091
2013
Q4 		$667K Buy
109,600
+12,800
+13% +$71.5K ﹤0.01% 3672
2013
Q3 		$454K Buy
96,800
+60,000
+163% +$258K ﹤0.01% 3916
2013
Q2 		$147K Buy
+36,800
New +$142K ﹤0.01% 4921

Other funds holding IBKR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
CCM
Cantillon Capital Management New York $665M AUM 25.91% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
GWM
Greenwich Wealth Management Greenwich, Connecticut $2.45B AUM 39.53% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Citadel Advisors's IBKR Position: Q1 2026 in Review

Citadel Advisors increased its Interactive Brokers (IBKR) stake by 13% in Q1 2026, buying an estimated $6.12M and bringing the position to 736,273 shares worth $49.4M. The position accounts for 0.01% of the portfolio, ranked #1373.

Citadel Advisors first reported a position in IBKR in Q2 2013 and has held it in 46 quarters since. The position peaked at $121M in Q4 2021. 994 funds tracked by Wall St. Rank hold IBKR as of Q1 2026.

  • Citadel Advisors held 736,273 shares of Interactive Brokers worth $49.4M as of Q1 2026.
  • Citadel Advisors bought 85,739 Interactive Brokers shares in Q1 2026, an estimated $6.12M.
  • Interactive Brokers made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1373 holding.
  • Citadel Advisors first reported a position in Interactive Brokers in Q2 2013 and has held it in 46 quarters since.
  • Citadel Advisors's Interactive Brokers position peaked at $121M in Q4 2021.
  • 994 funds tracked by Wall St. Rank held Interactive Brokers as of Q1 2026.

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