William von Mueffling - Cantillon Capital Management
Holding/activity history for Interactive Brokers Group, Inc. (IBKR)
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| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 11,245,881 | 5.01 | Reduce 11.87% | 0.53 | $63.02–79.18 · VW $71.18i | $754,261,239 | SEC |
| 2025 Q4 | 12,759,904 | 4.44 | Add 0.76% | 0.03 | $58.95–73.35 · VW $66.86i | $820,589,426 | SEC |
| 2025 Q3 | 12,664,026 | 4.80 | Reduce 1.09% | 0.04 | $53.14–70.27 · VW $63.71i | $871,411,630 | SEC |
| 2025 Q2 | 12,803,631 | 4.10 | Reduce 2.82% | 0.10 | $32.82–55.62 · VW $45.82i | $709,449,194 | SEC |
| 2025 Q1 | 13,175,304 | 3.53 | Reduce 3.00% | 0.11 | $39.30–59.13 · VW $49.10i | $545,424,647 | SEC |
| 2024 Q4 | 13,582,760 | 3.63 | Add 0.53% | 0.02 | $33.91–48.35 · VW $42.25i | $599,916,552 | SEC |
| 2024 Q3 | 13,510,572 | 2.88 | Reduce 2.90% | 0.08 | $25.92–34.85 · VW $31.15i | $470,708,328 | SEC |
| 2024 Q2 | 13,914,300 | 2.85 | Reduce 4.85% | 0.12 | $26.70–32.30 · VW $29.78i | $426,473,295 | SEC |
| 2024 Q1 | 14,622,816 | 2.57 | Reduce 1.96% | 0.04 | $20.57–28.13 · VW $24.37i | $408,378,694 | SEC |
| 2023 Q4 | 14,915,476 | 2.07 | Reduce 2.38% | 0.06 | $18.15–22.52 · VW $20.20i | $309,123,240 | SEC |
| 2023 Q3 | 15,278,516 | 2.45 | Reduce 0.39% | <0.01 | $20.29–23.90 · VW $22.08i | $330,627,086 | SEC |
| 2023 Q2 | 15,337,872 | 2.23 | Add 6.38% | 0.13 | $17.71–21.56 · VW $19.77i | $318,529,257 | SEC |
| 2023 Q1 | 14,417,600 | 2.42 | Add 11.93% | 0.26 | $17.75–22.55 · VW $20.43i | $297,579,264 | SEC |
| 2022 Q4 | 12,880,856 | 1.97 | Add 30.33% | 0.46 | $15.68–20.36 · VW $18.87i | $232,982,483 | SEC |
| 2022 Q3 | 9,883,488 | 1.43 | Reduce 0.88% | 0.01 | $13.11–17.69 · VW $15.36i | $157,914,000 | SEC |
| 2022 Q2 | 9,971,644 | 1.14 | Add 12.07% | 0.12 | $13.05–17.00 · VW $14.79i | $137,135,000 | SEC |
| 2022 Q1 | 8,898,012 | 1.05 | Add 2.87% | 0.03 | $14.24–20.24 · VW $16.88i | $146,617,000 | SEC |
| 2021 Q4 | 8,649,968 | 1.13 | Reduce 7.02% | 0.07 | $15.59–20.71 · VW $18.53i | $171,745,000 | SEC |
| 2021 Q3 | 9,303,272 | 0.99 | Reduce 1.41% | 0.01 | $14.71–16.77 · VW $15.71i | $144,992,000 | SEC |
| 2021 Q2 | 9,436,264 | 1.04 | Reduce 1.59% | 0.02 | $15.77–19.40 · VW $17.21i | $155,062,000 | SEC |
| 2021 Q1 | 9,589,112 | 1.27 | Reduce 3.27% | 0.04 | $14.77–20.14 · VW $17.36i | $175,097,000 | SEC |
| 2020 Q4 | 9,913,684 | 1.13 | Reduce 0.40% | <0.01 | $11.68–15.74 · VW $13.51i | $150,985,000 | SEC |
| 2020 Q3 | 9,953,788 | 1.01 | Reduce 1.02% | <0.01 | $10.30–13.42 · VW $12.35i | $120,266,000 | SEC |
| 2020 Q2 | 10,056,332 | 0.91 | Add 0.75% | <0.01 | $9.06–11.84 · VW $10.48i | $105,013,000 | SEC |
| 2020 Q1 | 9,981,160 | 1.19 | Reduce 0.29% | <0.01 | $8.43–14.63 · VW $11.79i | $107,721,000 | SEC |
| 2019 Q4 | 10,009,752 | 1.08 | Reduce 2.07% | 0.03 | $11.14–12.98 · VW $11.91i | $116,664,000 | SEC |
| 2019 Q3 | 10,220,836 | 1.34 | Reduce 0.72% | 0.01 | $11.13–13.85 · VW $12.56i | $137,419,000 | SEC |
| 2019 Q2 | 10,294,460 | 1.41 | Reduce 1.72% | 0.02 | $12.35–14.83 · VW $13.39i | $139,490,000 | SEC |
| 2019 Q1 | 10,474,552 | 1.44 | Reduce 0.77% | 0.01 | $12.13–14.53 · VW $13.15i | $135,855,000 | SEC |
| 2018 Q4 | 10,555,680 | 1.74 | Add 0.90% | 0.02 | $11.60–15.63 · VW $13.43i | $144,217,000 | SEC |
| 2018 Q3 | 10,461,300 | 1.63 | Add 5.73% | 0.09 | $13.76–16.72 · VW $15.14i | $144,653,000 | SEC |
| 2018 Q2 | 9,894,148 | 1.72 | Reduce 2.66% | 0.05 | $15.86–20.08 · VW $17.58i | $159,320,000 | SEC |
| 2018 Q1 | 10,164,976 | 1.94 | Add 24.57% | 0.38 | $14.73–18.53 · VW $16.42i | $170,873,000 | SEC |
| 2017 Q4 | 8,160,212 | 1.43 | Reduce 4.93% | 0.06 | $11.20–15.58 · VW $13.95i | $120,791,000 | SEC |
| 2017 Q3 | 8,583,060 | 1.12 | Add 11.42% | 0.11 | $9.06–11.27 · VW $10.26i | $96,645,000 | SEC |
| 2017 Q2 | 7,703,564 | 0.90 | Buy | 0.90 | $8.25–9.56 · VW $8.83i | $72,067,000 | SEC |
Price snapshot:
Current price$93.56
Avg. buy price$14.83
+/- since buy530.68%
52-week low$57.91
52-week high$97.84