Tudor Investment Corp
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Tudor Investment Corp’s Interactive Brokers IBKR Stock Holding History

Tudor Investment Corp’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 		$22.6M Sell
336,704
-215,040
-39% -$15.3M 0.04% 379
2025
Q4 		$35.5M Buy
+551,744
New +$36.9M 0.07% 237
2025
Q2 		– Sell
-426,100
Closed -$20.2M – 3472
2025
Q1 		$17.6M Buy
426,100
+407,412
+2,180% +$20.2M 0.06% 247
2024
Q4 		$825K Buy
+18,688
New +$787K ﹤0.01% 1864
2022
Q3 		– Sell
-56,328
Closed -$868K – 2491
2022
Q2 		$775K Buy
+56,328
New +$836K 0.02% 1025
2022
Q1 		– Sell
-83,432
Closed -$1.66M – 2305
2021
Q4 		$1.66M Buy
+83,432
New +$1.55M 0.03% 733
2021
Q3 		– Sell
-330,836
Closed -$5.21M – 2612
2021
Q2 		$5.44M Sell
330,836
-66,828
-17% -$1.16M 0.1% 185
2021
Q1 		$7.26M Buy
+397,664
New +$7.16M 0.15% 106
2020
Q3 		– Sell
-271,552
Closed -$2.84M – 1409
2020
Q2 		$2.84M Buy
271,552
+232,132
+589% +$2.43M 0.14% 150
2020
Q1 		$425K Buy
+39,420
New +$476K 0.04% 555
2015
Q4 		– Sell
-53,200
Closed -$525K – 1735
2015
Q3 		$525K Buy
+53,200
New +$548K 0.02% 755
2014
Q3 		– Sell
-52,844
Closed -$308K – 1411
2014
Q2 		$308K Sell
52,844
-30,984
-37% -$178K 0.01% 826
2014
Q1 		$454K Sell
83,828
-27,372
-25% -$152K 0.02% 583
2013
Q4 		$677K Buy
111,200
+58,000
+109% +$324K 0.03% 368
2013
Q3 		$250K Buy
+53,200
New +$228K 0.01% 662

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

Tudor Investment Corp's IBKR Position: Q1 2026 in Review

Tudor Investment Corp reduced its Interactive Brokers (IBKR) stake by 39% in Q1 2026, selling an estimated $15.3M and leaving 336,704 shares worth $22.6M. The position accounts for 0.04% of the portfolio, ranked #379.

Tudor Investment Corp first reported a position in IBKR in Q3 2013 and has held it in 15 quarters since. The position peaked at $35.5M in Q4 2025. 993 funds tracked by Wall St. Rank hold IBKR as of Q1 2026.

  • Tudor Investment Corp held 336,704 shares of Interactive Brokers worth $22.6M as of Q1 2026.
  • Tudor Investment Corp sold 215,040 Interactive Brokers shares in Q1 2026, an estimated $15.3M.
  • Interactive Brokers made up 0.04% of Tudor Investment Corp's portfolio in Q1 2026, its #379 holding.
  • Tudor Investment Corp first reported a position in Interactive Brokers in Q3 2013 and has held it in 15 quarters since.
  • Tudor Investment Corp's Interactive Brokers position peaked at $35.5M in Q4 2025.
  • 993 funds tracked by Wall St. Rank held Interactive Brokers as of Q1 2026.

Based on Tudor Investment Corp's 13F filing for Q1 2026, filed 15 May 2026.