Simplex Trading
IBKR icon

Simplex Trading’s Interactive Brokers IBKR Stock Holding History

Simplex Trading’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 		$12.8M Buy
+190,400
New +$13.6M 0.01% 594
2025
Q4 		– Sell
-633,000
Closed -$43.6M – 9211
2025
Q3 		$43.6M Buy
633,000
+110,400
+21% +$6.95M 0.02% 385
2025
Q2 		$29M Buy
522,600
+121,000
+30% +$5.74M 0.02% 430
2025
Q1 		$16.6M Sell
401,600
-12,800
-3% -$634K 0.01% 608
2024
Q4 		$18.3M Sell
414,400
-40,000
-9% -$1.68M 0.01% 685
2024
Q3 		$15.8M Buy
454,400
+174,800
+63% +$5.41M 0.01% 765
2024
Q2 		$8.57M Sell
279,600
-627,600
-69% -$18.7M 0.01% 1112
2024
Q1 		$25.3M Buy
907,200
+191,200
+27% +$4.76M 0.01% 575
2023
Q4 		$14.8M Buy
716,000
+672,400
+1,542% +$13.8M 0.01% 867
2023
Q3 		$943K Sell
43,600
-153,600
-78% -$3.42M ﹤0.01% 2722
2023
Q2 		$4.09M Sell
197,200
-83,600
-30% -$1.65M ﹤0.01% 1448
2023
Q1 		$5.79M Sell
280,800
-54,000
-16% -$1.1M 0.01% 1208
2022
Q4 		$6.05M Buy
334,800
+306,400
+1,079% +$5.72M 0.01% 1116
2022
Q3 		$453K Sell
28,400
-2,000
-7% -$30.8K ﹤0.01% 3577
2022
Q2 		$418K Buy
30,400
+3,600
+13% +$53.5K ﹤0.01% 3669
2022
Q1 		$441K Sell
26,800
-192,800
-88% -$3.32M ﹤0.01% 3993
2021
Q4 		$4.36M Sell
219,600
-226,800
-51% -$4.22M ﹤0.01% 1315
2021
Q3 		$7.38M Sell
446,400
-400
-0.1% -$6.3K 0.01% 913
2021
Q2 		$7.34M Buy
446,800
+443,896
+15,286% +$7.68M 0.01% 892
2021
Q1 		$5.3M Buy
2,904
+2,344
+419% +$42.2K 0.01% 778
2020
Q4 		$852K Sell
560
-1,144
-67% -$15.2K ﹤0.01% 2761
2020
Q3 		$2.06M Buy
1,704
+664
+64% +$8.28K ﹤0.01% 1504
2020
Q2 		$1.09M Buy
1,040
+84
+9% +$878 ﹤0.01% 2075
2020
Q1 		$1.03M Buy
956
+104
+12% +$1.26K ﹤0.01% 1854
2019
Q4 		$993K Buy
852
+68
+9% +$798 ﹤0.01% 2098
2019
Q3 		$1.05M Sell
784
-804
-51% -$10K ﹤0.01% 1896
2019
Q2 		$2.15M Sell
1,588
-1,972
-55% -$26.7K 0.01% 1256
2019
Q1 		$4.62M Buy
3,560
+1,980
+125% +$26K 0.01% 734
2018
Q4 		$2.16M Buy
1,580
+484
+44% +$6.46K 0.01% 1037
2018
Q3 		$1.51M Sell
1,096
-812
-43% -$12.3K ﹤0.01% 1484
2018
Q2 		$3.07M Sell
1,908
-268
-12% -$4.85K 0.01% 831
2018
Q1 		$87K Buy
2,176
+1,912
+724% +$31.6K ﹤0.01% 1910
2017
Q4 		$10K Sell
264
-184
-41% -$2.51K ﹤0.01% 3890
2017
Q3 		$2K Sell
448
-24
-5% -$245 ﹤0.01% 5074
2017
Q2 		$7K Sell
472
-1,772
-79% -$15.7K ﹤0.01% 4292
2017
Q1 		$87K Buy
2,244
+1,048
+88% +$9.76K ﹤0.01% 1869
2016
Q4 		$41K Buy
1,196
+228
+24% +$2.08K ﹤0.01% 2351
2016
Q3 		$31K Sell
968
-24
-2% -$213 ﹤0.01% 2543
2016
Q2 		$47K Buy
992
+468
+89% +$4.46K ﹤0.01% 2121
2016
Q1 		$18K Sell
524
-396
-43% -$3.5K ﹤0.01% 2900
2015
Q4 		$28K Buy
920
+784
+576% +$8.18K ﹤0.01% 2405
2015
Q3 		$7K Buy
+136
New +$1.4K ﹤0.01% 3732
2015
Q1 		– Sell
-236
Closed -$1K – 5202
2014
Q4 		$1K Buy
+236
New +$1.58K ﹤0.01% 4132

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 $15.1B AUM 23.54% 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

Simplex Trading's IBKR Position: Q4 2025 in Review

Simplex Trading sold out of Interactive Brokers (IBKR) in Q4 2025, closing a stake of 12,841 shares — an estimated $883K sold.

Simplex Trading first reported a position in IBKR in Q1 2015 and held it in 30 quarters. The position peaked at $3.32M in Q4 2023. 975 funds tracked by Wall St. Rank hold IBKR as of Q4 2025.

  • Simplex Trading reported no remaining Interactive Brokers position as of Q4 2025 after selling out during the quarter.
  • Simplex Trading sold 12,841 Interactive Brokers shares in Q4 2025, an estimated $883K.
  • Simplex Trading first reported a position in Interactive Brokers in Q1 2015 and held it in 30 quarters.
  • Simplex Trading's Interactive Brokers position peaked at $3.32M in Q4 2023.
  • 975 funds tracked by Wall St. Rank held Interactive Brokers as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.