中文
Value GiantsValue investors’ 13F holdings, as a whole
Q2 2026 13FData as of Aug 18, 2026
IBKR · Financials

Interactive Brokers Group, Inc

Q2 2026: held by 3 giants, composite weight 0.91%, consensus rank 17; this quarter 0 bought and 2 sold. Quarter-end price $87.04 (Jun 30, 2026).

Giants holding
3
previous quarter 3
Composite weight
0.91%
consensus rank 17
Quarter-end price
$87.04
Jun 30, 2026
Avg est. costest.
$15.70
vs quarter-end price +455%
I

Held by 3 Giants

Sorted by portfolio weight; click a name for that giant’s holding history.

How to Read This

Est. average cost: shares bought each quarter × (start + end price) ÷ 2, weighted; positions held before Q1 1999 (or the giant’s earliest electronic filing) start from that quarter’s price. 13F does not show actual trade prices.

GiantWeightSharesValueFirst boughtQuarters heldEst. avg costvs costThis quarter
Bryan Lawrence33.4%1.03M$89.7MQ1 201738$12.29est.start point+608%Held
Robert Vinall12.8%561.1K$48.8MQ1 202314$20.41est.+326%Trimmed
William von Mueffling6.8%517.8K$45.1MQ2 201737$14.38est.+505%Trimmed
II

Cost Map: 3 of 3 Giants Have an Estimated Cost Below the Quarter-End Price

One row per giant: the dot is the estimated average cost (bigger = heavier weight); the gold line is the latest quarter-end price.

cost below price (paper gain)cost above price (paper loss)quarter-end price
Cost Map$25.00$50.00$75.00Bryan LawrenceWilliam von Mueffli…Robert Vinall
III

Quarter-End Price (Split-Adjusted)

From Q2 2013, the first quarter a giant held it; hover for holders, buyers and sellers that quarter.

How to Read This

Prices are 13F quarter-end value ÷ shares, roughly the quarter’s closing price, not live prices; prices before splits are converted to today’s share count.

Quarter-End Price$0.00$25.00$50.00$75.00Q2 2013Q4 2014Q2 2016Q4 2017Q2 2019Q4 2020Q2 2022Q4 2023Q2 2026
IV

More Giants or Fewer

Giants Holding

Giants Holding01234Q2 2013Q4 2014Q2 2016Q4 2017Q2 2019Q4 2020Q2 2022Q4 2023Q2 2026

Buyers and Sellers (Last 20 Quarters)

BoughtSold
Buyers and Sellers Each Quarter4202Q3 2021Q1 2022Q3 2022Q1 2023Q3 2023Q1 2024Q3 2024Q1 2025Q3 2025Q2 2026

Composite Weight (Hover for Rank)

Composite Weight0.0%0.2%0.5%0.8%Q2 2013Q4 2014Q2 2016Q4 2017Q2 2019Q4 2020Q2 2022Q4 2023Q2 2026
V

Holding History

Open a giant: when the holding began, which quarters it changed, and how the estimated cost moved. The table lists quarters with trades plus the latest quarter.

How to Read This

In the chart, prices and cost are converted to today’s share count (split-adjusted); the table shows each quarter’s own figures. Est. trade price = (start + end price) ÷ 2, only a rough level.

Bryan Lawrence 33.4% · since Q1 2017

Giant page →

quarter-end pricerunning est. costest. trade price (buy / sell)
Holding History$0.00$20.00$40.00$60.00$80.00Q4 2018Q4 2019Q4 2020Q4 2021Q4 2022Q4 2023Q4 2024Q2 2026
QuarterMoveChangeShares heldWeightStart → end priceEst. trade priceRunning est. cost
Q2 2026Held—1.03M33.4%$67.07 → $87.04—$12.29
Q1 2025Trimmed−42.0K257.7K22.5%$176.67 → $165.59$171.13$49.17
Q4 2024Trimmed−3.0K299.7K27.1%$139.36 → $176.67$158.02$49.17
Q1 2024Trimmed−37.0K302.6K20.3%$82.90 → $111.71$97.30$49.17
Q4 2022Trimmed−21.6K339.6K18.3%$63.91 → $72.35$68.13$49.17
Q2 2022Added+61.4K361.2K14.7%$65.91 → $55.01$60.46$49.17
Q1 2022Added+38.0K299.8K10.2%$79.42 → $65.91$72.66$46.86
Q1 2021Trimmed−105.5K261.8K9.1%$60.92 → $73.04$66.98$43.11
Q4 2020Trimmed−20.9K367.3K8.9%$48.33 → $60.92$54.62$43.11
Q1 2020Added+4.3K388.3K11.7%$46.62 → $43.17$44.89$43.11
Q4 2019Added+40.0K384.0K10.7%$53.78 → $46.62$50.20$43.09
Q4 2018Added+58.0K344.0K15.5%$55.31 → $54.65$54.98$42.27
Robert Vinall 12.8% · since Q1 2023

Giant page →

quarter-end pricerunning est. costest. trade price (buy / sell)
Holding History$0.00$20.00$40.00$60.00$80.00Q1 2023Q3 2023Q1 2024Q3 2024Q1 2025Q3 2025Q2 2026
QuarterMoveChangeShares heldWeightStart → end priceEst. trade priceRunning est. cost
Q2 2026Trimmed−196.8K561.1K12.8%$67.07 → $87.04$77.05$20.41
Q1 2026Added+5.4K757.9K13.4%$64.31 → $67.07$65.69$20.41
Q3 2025Trimmed−50.7K799.3K10.1%$55.41 → $68.81$62.11$20.08
Q1 2025Trimmed−11.9K212.5K7.8%$176.67 → $165.59$171.13$80.34
Q4 2024Trimmed−91.2K224.3K8.6%$139.36 → $176.67$158.02$80.34
Q3 2024Added+5.6K315.5K9.1%$122.60 → $139.36$130.98$80.34
Q4 2023Added+21.2K309.9K7.4%$86.56 → $82.90$84.73$79.42
Q2 2023Added+85.0K288.7K7.8%$82.56 → $83.07$82.81$79.03
Q1 2023New+203.7K203.7K6.4%$72.35 → $82.56$77.45$77.45
William von Mueffling 6.8% · since Q2 2017

Giant page →

quarter-end pricerunning est. costest. trade price (buy / sell)
Holding History$0.00$20.00$40.00$60.00$80.00Q2 2017Q2 2018Q2 2019Q2 2020Q2 2021Q2 2022Q2 2023Q2 2024Q2 2025Q2 2026
QuarterMoveChangeShares heldWeightStart → end priceEst. trade priceRunning est. cost
Q2 2026Trimmed−10.73M517.8K6.8%$67.07 → $87.04$77.05$14.38
Q1 2026Trimmed−1.51M11.25M5.0%$64.31 → $67.07$65.69$14.38
Q4 2025Added+95.9K12.76M4.4%$68.81 → $64.31$66.56$14.38
Q3 2025Trimmed−139.6K12.66M4.8%$55.41 → $68.81$62.11$13.99
Q2 2025Trimmed−371.7K12.80M4.1%$165.59 → $55.41$48.40$13.99
Q1 2025Trimmed−101.9K3.29M3.5%$176.67 → $165.59$171.13$55.95
Q4 2024Added+18.0K3.40M3.6%$139.36 → $176.67$158.02$55.95
Q3 2024Trimmed−100.9K3.38M2.9%$122.60 → $139.36$130.98$55.40
Q2 2024Trimmed−177.1K3.48M2.9%$111.71 → $122.60$117.15$55.40
Q1 2024Trimmed−73.2K3.66M2.6%$82.90 → $111.71$97.30$55.40
Q4 2023Trimmed−90.8K3.73M2.1%$86.56 → $82.90$84.73$55.40
Q2 2023Added+230.1K3.83M2.2%$82.56 → $83.07$82.81$55.40
Q1 2023Added+384.2K3.60M2.4%$72.35 → $82.56$77.45$53.65
Q4 2022Added+749.3K3.22M2.0%$63.91 → $72.35$68.13$50.81
Q3 2022Trimmed−22.0K2.47M1.4%$55.01 → $63.91$59.46$45.56
Q2 2022Added+268.4K2.49M1.1%$65.91 → $55.01$60.46$45.56
Q1 2022Added+62.0K2.22M1.0%$79.42 → $65.91$72.66$43.76
Q4 2021Trimmed−163.3K2.16M1.1%$62.34 → $79.42$70.88$42.93
Q3 2021Trimmed−33.2K2.33M1.0%$65.73 → $62.34$64.04$42.93
Q2 2021Trimmed−38.2K2.36M1.0%$73.04 → $65.73$69.38$42.93
Q1 2021Trimmed−81.1K2.40M1.3%$60.92 → $73.04$66.98$42.93
Q3 2020Trimmed−25.6K2.49M1.0%$41.77 → $48.33$45.05$42.93
Q2 2020Added+18.8K2.51M0.9%$43.17 → $41.77$42.47$42.93
Q4 2019Trimmed−52.8K2.50M1.1%$53.78 → $46.62$50.20$42.94
Q3 2019Trimmed−18.4K2.56M1.3%$54.20 → $53.78$53.99$42.94
Q2 2019Trimmed−45.0K2.57M1.4%$51.88 → $54.20$53.04$42.94
Q1 2019Trimmed−20.3K2.62M1.4%$54.65 → $51.88$53.27$42.94
Q4 2018Added+23.6K2.64M1.7%$55.31 → $54.65$54.98$42.94
Q3 2018Added+141.8K2.62M1.6%$64.41 → $55.31$59.86$42.83
Q2 2018Trimmed−67.7K2.47M1.7%$67.24 → $64.41$65.82$41.85
Q1 2018Added+501.2K2.54M1.9%$59.21 → $67.24$63.22$41.85
Q4 2017Trimmed−105.7K2.04M1.4%$45.04 → $59.21$52.12$36.60
Q3 2017Added+219.9K2.15M1.1%$37.42 → $45.04$41.23$36.60
Q2 2017New+1.93M1.93M0.9%$34.72 → $37.42$36.07$36.07