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 		$8.56M Buy
+127,700
New +$9.11M 0.01% 770
2025
Q4 		– Sell
-344,100
Closed -$23.7M – 9209
2025
Q3 		$23.7M Sell
344,100
-14,900
-4% -$937K 0.01% 574
2025
Q2 		$19.9M Sell
359,000
-97,400
-21% -$4.62M 0.01% 567
2025
Q1 		$18.9M Sell
456,400
-65,200
-13% -$3.23M 0.01% 551
2024
Q4 		$23M Buy
521,600
+238,400
+84% +$10M 0.01% 566
2024
Q3 		$9.87M Buy
283,200
+28,800
+11% +$892K 0.01% 1043
2024
Q2 		$7.8M Buy
254,400
+188,000
+283% +$5.61M ﹤0.01% 1172
2024
Q1 		$1.85M Sell
66,400
-557,600
-89% -$13.9M ﹤0.01% 2482
2023
Q4 		$12.9M Sell
624,000
-102,000
-14% -$2.09M 0.01% 933
2023
Q3 		$15.7M Buy
726,000
+587,200
+423% +$13.1M 0.01% 698
2023
Q2 		$2.88M Sell
138,800
-17,600
-11% -$347K ﹤0.01% 1689
2023
Q1 		$3.23M Sell
156,400
-176,000
-53% -$3.58M ﹤0.01% 1569
2022
Q4 		$6.01M Buy
332,400
+231,600
+230% +$4.33M 0.01% 1121
2022
Q3 		$1.61M Buy
100,800
+28,800
+40% +$444K ﹤0.01% 2160
2022
Q2 		$990K Sell
72,000
-54,000
-43% -$802K ﹤0.01% 2632
2022
Q1 		$2.08M Sell
126,000
-44,800
-26% -$771K ﹤0.01% 2069
2021
Q4 		$3.39M Buy
170,800
+26,400
+18% +$491K ﹤0.01% 1532
2021
Q3 		$2.39M Buy
144,400
+11,200
+8% +$176K ﹤0.01% 1935
2021
Q2 		$2.19M Buy
133,200
+130,384
+4,630% +$2.26M ﹤0.01% 2039
2021
Q1 		$5.14M Buy
2,816
+1,500
+114% +$27K 0.01% 799
2020
Q4 		$2M Buy
1,316
+676
+106% +$8.96K ﹤0.01% 1776
2020
Q3 		$773K Buy
640
+200
+45% +$2.49K ﹤0.01% 2524
2020
Q2 		$459K Sell
440
-144
-25% -$1.5K ﹤0.01% 3003
2020
Q1 		$630K Buy
584
+472
+421% +$5.71K ﹤0.01% 2359
2019
Q4 		$130K Sell
112
-1,044
-90% -$12.3K ﹤0.01% 4228
2019
Q3 		$1.55M Sell
1,156
-152
-12% -$1.89K ﹤0.01% 1544
2019
Q2 		$1.77M Buy
1,308
+320
+32% +$4.34K ﹤0.01% 1402
2019
Q1 		$1.28M Buy
988
+420
+74% +$5.52K ﹤0.01% 1778
2018
Q4 		$776K Sell
568
-904
-61% -$12.1K ﹤0.01% 1851
2018
Q3 		$2.04M Buy
1,472
+1,040
+241% +$15.8K 0.01% 1238
2018
Q2 		$695K Sell
432
-520
-55% -$9.41K ﹤0.01% 2138
2018
Q1 		$102K Buy
952
+296
+45% +$4.9K ﹤0.01% 1785
2017
Q4 		$120K Sell
656
-8
-1% -$109 0.01% 1659
2017
Q3 		$82K Sell
664
-60
-8% -$612 ﹤0.01% 1894
2017
Q2 		$18K Sell
724
-792
-52% -$7.03K ﹤0.01% 3401
2017
Q1 		$14K Sell
1,516
-344
-18% -$3.2K ﹤0.01% 3639
2016
Q4 		$20K Buy
1,860
+668
+56% +$6.08K ﹤0.01% 3034
2016
Q3 		$21K Buy
1,192
+64
+6% +$567 ﹤0.01% 2912
2016
Q2 		$23K Buy
1,128
+804
+248% +$7.67K ﹤0.01% 2776
2016
Q1 		$21K Sell
324
-1,760
-84% -$15.5K ﹤0.01% 2759
2015
Q4 		$85K Buy
2,084
+1,840
+754% +$19.2K 0.01% 1485
2015
Q3 		$12K Buy
244
+172
+239% +$1.77K ﹤0.01% 3268
2015
Q2 		$11K Sell
72
-52
-42% -$472 ﹤0.01% 2976
2015
Q1 		$13K Sell
124
-72
-37% -$572 ﹤0.01% 2695
2014
Q4 		$19K Buy
+196
New +$1.31K ﹤0.01% 2095

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.