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Livermore
Livermore
ZHEN

Brooktree Capital Management

SEC CIK
0001021296
Latest filing
Aug 5, 2026

IBKR holding history

Interactive Brokers Group, Inc. in every 13F filed by Brooktree Capital Management, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

IBKR overviewAll 13F holders of IBKRFull Q2 2026 holdings

Shares (Q2 2026)
261,632
Value
$22.8M
% of portfolio
14.9%
Quarters held
22
Since Q1 2021
Holdings of IBKR by Brooktree Capital Management, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026261,632$22.8M14.9%−10,620−3.9%ReducedHolders
Q1 2026272,252$18.3M14.5%−128,476−32.1%ReducedHolders
Q4 2025400,728$25.8M17.1%−16,138−3.9%ReducedHolders
Q3 2025416,866$28.7M18.2%−84,973−16.9%ReducedHolders
Q2 2025501,839$27.8M18.2%−4,501−0.9%ReducedConverted for a 4-for-1 splitHolders
Q1 2025126,585$21.0M15.7%−6,441−4.8%ReducedHolders
Q4 2024133,026$23.5M17.4%−4,586−3.3%ReducedHolders
Q3 2024137,612$19.2M15.6%−1,397−1.0%ReducedHolders
Q2 2024139,009$17.0M14.6%−12,866−8.5%ReducedHolders
Q1 2024151,875$17.0M13.1%−6,198−3.9%ReducedHolders
Q4 2023158,073$13.1M10.6%−11,791−6.9%ReducedHolders
Q3 2023169,864$14.7M12.3%−1,799−1.0%ReducedHolders
Q2 2023171,663$14.3M10.8%−6,308−3.5%ReducedHolders
Q1 2023177,971$14.7M11.4%−7,310−3.9%ReducedHolders
Q4 2022185,281$13.4M11.0%−3,537−1.9%ReducedHolders
Q3 2022188,818$12.1M9.9%+3,272+1.8%AddedHolders
Q2 2022185,546$10.2M7.7%+4,024+2.2%AddedHolders
Q1 2022181,522$12.0M7.8%+41,390+29.5%AddedHolders
Q4 2021140,132$11.1M6.8%+1,135+0.8%AddedHolders
Q3 2021138,997$8.66M5.5%+2,197+1.6%AddedHolders
Q2 2021136,800$8.99M5.8%+1,334+1.0%AddedHolders
Q1 2021135,466$9.89M6.6%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.