Citadel Advisors (Ken Griffin) — CSGP Trade History
Quarter-by-quarter changes in the COSTAR GROUP INC position · CUSIP 22160N109
Currently held · 4.5 YearsFirst seen: 2015 Q4split-adjusted
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-09-02 | Reduce | 741,898 | -346,306 | -31.8% | $21.0M | 0.00% |
| 2026 Q1 | 2026-05-15 | Add | 1,088,204 | 483,661 | +80.0% | $43.9M | 0.01% |
| 2025 Q4 | 2026-02-17 | Reduce | 604,543 | -1,122,075 | -65.0% | $40.6M | 0.01% |
| 2025 Q3 | 2025-11-14 | Add | 1,726,618 | 1,695,175 | +5391.3% | $145.7M | 0.02% |
| 2025 Q2 | 2025-08-14 | Reduce | 31,443 | -12,047 | -27.7% | $2.5M | — |
| 2025 Q1 | 2025-05-15 | Reduce | 43,490 | -164,734 | -79.1% | $3.4M | 0.00% |
| 2024 Q4 | 2025-02-14 | Reduce | 208,224 | -44,064 | -17.5% | $14.9M | 0.00% |
| 2024 Q3 | 2024-11-14 | Reduce | 252,288 | -214,409 | -45.9% | $19.0M | 0.00% |
| 2024 Q2 | 2024-08-14 | Reduce | 466,697 | -23,220 | -4.7% | $34.6M | 0.01% |
| 2024 Q1 | 2024-05-15 | Add | 489,917 | 483,702 | +7782.8% | $47.3M | 0.01% |
| 2023 Q4 | 2024-02-14 | Reduce | 6,215 | -15,882 | -71.9% | $543.1K | — |
| 2023 Q3 | 2023-11-14 | Reduce | 22,097 | -228,746 | -91.2% | $1.7M | — |
| 2023 Q2 | 2023-08-14 | Add | 250,843 | 238,495 | +1931.4% | $22.3M | 0.01% |
| 2023 Q1 | 2023-05-15 | Add | 12,348 | 12,279 | +17795.7% | $850.2K | — |
| 2022 Q4 | 2023-02-14 | Reduce | 69 | -2,773,232 | -100.0% | $5.3K | — |
| 2022 Q3 | 2022-11-14 | Reduce | 2,773,301 | -132,781 | -4.6% | $193.2M | 0.04% |
| 2022 Q2 | 2022-08-15 | Add | 2,906,082 | 2,200,026 | +311.6% | $175.6M | 0.04% |
| 2022 Q1 | 2022-05-16 | New | 706,056 | 706,056 | — | $47.0M | 0.01% |
| 2021 Q3 | 2022-03-11 | Sold out | — | -170,338 | -100.0% | — | — |
| 2021 Q4 | 2022-02-14 | Reduce | 170,338 | -487,261 | -74.1% | $13.5M | 0.00% |
| 2021 Q2 | 2021-08-16 | Add | 657,599 | 474,999 | +260.1% | $54.5M | 0.01% |
| 2021 Q1 | 2021-05-21 | Reduce | 182,600 | -980,040 | -84.3% | $15.0M | 0.00% |
| 2020 Q4 | 2021-02-16 | Add | 1,162,640 | 233,170 | +25.1% | $107.5M | 0.03% |
| 2020 Q3 | 2020-11-16 | Add | 929,470 | 791,360 | +573.0% | $78.9M | 0.02% |
| 2020 Q2 | 2020-08-14 | Add | 138,110 | 124,220 | +894.3% | $9.8M | 0.00% |
| 2020 Q1 | 2020-05-15 | Reduce | 13,890 | -110,420 | -88.8% | $816.0K | — |
| 2019 Q4 | 2020-02-14 | New | 124,310 | 124,310 | — | $7.4M | 0.00% |
| 2019 Q2 | 2020-02-14 | — | — | — | — | — | — |
| 2018 Q4 | 2019-11-14 | Sold out | — | -2,318,490 | -100.0% | — | — |
| 2019 Q3 | 2019-11-14 | New | 2,318,490 | 2,318,490 | — | $137.5M | 0.07% |
| 2018 Q2 | 2019-08-14 | — | — | — | — | — | — |
| 2018 Q3 | 2019-05-15 | Sold out | — | -1,799,710 | -100.0% | — | — |
| 2019 Q1 | 2019-05-15 | New | 1,799,710 | 1,799,710 | — | $83.9M | 0.04% |
| 2018 Q1 | 2019-02-14 | Sold out | — | -1,373,280 | -100.0% | — | — |
| 2017 Q4 | 2018-02-09 | Reduce | 1,373,280 | -87,950 | -6.0% | $40.8M | 0.03% |
| 2017 Q3 | 2017-11-09 | Add | 1,461,230 | 1,321,770 | +947.8% | $39.2M | 0.03% |
| 2017 Q2 | 2017-08-11 | Add | 139,460 | 95,370 | +216.3% | $3.7M | 0.00% |
| 2017 Q1 | 2017-05-12 | Reduce | 44,090 | -324,290 | -88.0% | $914.0K | 0.00% |
| 2016 Q4 | 2017-02-10 | Reduce | 368,380 | -600,570 | -62.0% | $6.9M | 0.01% |
| 2015 Q4 | 2017-01-31 | New | 968,950 | 968,950 | — | $20.0M | 0.02% |
Share counts are split-adjusted. Time held counts consecutive quarters ending with the latest filing; more than ten years shows as ">10 Years".
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.