Cliff Asness's CSGP Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 323.7K shares of CoStar Group, Inc. (CSGP) worth $27.09 M, representing 0.02% of the portfolio. First purchased in 2013-Q3, this long-term strategic position has been held for 49 quarters.
Based on 13F filings since 2013, Cliff Asness has maintained a long-term strategic position in CSGP, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2019, adding 858.6K shares. Largest reduction occurred in Q2 2020, reducing 255.3K shares.
Analysis based on 13F filings available since 2013 Q2
Cliff Asness's CoStar Group (CSGP) Holding Value Over Time
Track share changes against reported price movement
Quarterly CoStar Group (CSGP) Trades by Cliff Asness
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q3 2013 | +22,080 | New Buy | 22,080 | $16.80 |
| Q4 2013 | +18,000 | Add 81.52% | 40,080 | $18.46 |
| Q1 2014 | +90,000 | Add 224.55% | 130,080 | $18.67 |
| Q2 2014 | -4,000 | Reduce 3.08% | 126,080 | $15.82 |
| Q3 2014 | +111,920 | Add 88.77% | 238,000 | $15.55 |
| Q4 2014 | -184,890 | Reduce 77.68% | 53,110 | $18.36 |
| Q4 2015 | +10 | Add 0.02% | 53,120 | $20.67 |
| Q1 2016 | -120 | Reduce 0.23% | 53,000 | $18.81 |
| Q2 2016 | -11,160 | Reduce 21.06% | 41,840 | $21.87 |
| Q3 2016 | +39,040 | Add 93.31% | 80,880 | $21.65 |
| Q4 2016 | -30,170 | Reduce 37.30% | 50,710 | $18.85 |
| Q1 2017 | -7,170 | Reduce 14.14% | 43,540 | $20.72 |
| Q2 2017 | -1,260 | Reduce 2.89% | 42,280 | $26.37 |
| Q3 2017 | +14,390 | Add 34.04% | 56,670 | $26.82 |
| Q4 2017 | +17,490 | Add 30.86% | 74,160 | $29.69 |
| Q1 2018 | +297,110 | Add 400.63% | 371,270 | $36.27 |
| Q2 2018 | +94,760 | Add 25.52% | 466,030 | $41.26 |
| Q3 2018 | -34,110 | Reduce 7.32% | 431,920 | $42.08 |
| Q4 2018 | -110,700 | Reduce 25.63% | 321,220 | $33.73 |
| Q1 2019 | -15,550 | Reduce 4.84% | 305,670 | $46.50 |
| Q2 2019 | +858,600 | Add 280.89% | 1.16 M | $55.41 |
| Q3 2019 | -94,250 | Reduce 8.10% | 1.07 M | $59.32 |
| Q4 2019 | -158,760 | Reduce 14.84% | 911,260 | $59.83 |
| Q1 2020 | -170,860 | Reduce 18.75% | 740,400 | $58.67 |
| Q2 2020 | -255,320 | Reduce 34.48% | 485,080 | $69.44 |
| Q3 2020 | -72,060 | Reduce 14.86% | 413,020 | $84.85 |
| Q4 2020 | +1,120 | Add 0.27% | 414,140 | $92.33 |
| Q1 2021 | -81,220 | Reduce 19.61% | 332,920 | $80.82 |
| Q2 2021 | -69,990 | Reduce 21.02% | 262,930 | $82.82 |
| Q3 2021 | -859 | Reduce 0.33% | 262,071 | $85.68 |
| Q4 2021 | -3,827 | Reduce 1.46% | 258,244 | $79.03 |
| Q1 2022 | +44,184 | Add 17.11% | 302,428 | $66.61 |
| Q2 2022 | -104,433 | Reduce 34.53% | 197,995 | $58.47 |
| Q3 2022 | -22,907 | Reduce 11.57% | 175,088 | $69.65 |
| Q4 2022 | -8,661 | Reduce 4.95% | 166,427 | $77.10 |
| Q1 2023 | -2,034 | Reduce 1.22% | 164,393 | $68.07 |
| Q2 2023 | +31,960 | Add 19.44% | 196,353 | $89.00 |
| Q3 2023 | -114,345 | Reduce 58.23% | 82,008 | $76.89 |
| Q4 2023 | -48,317 | Reduce 58.92% | 33,691 | $87.39 |
| Q1 2024 | +945 | Add 2.80% | 34,636 | $96.60 |
| Q2 2024 | -5,813 | Reduce 16.78% | 28,823 | $73.76 |
| Q3 2024 | -3,308 | Reduce 11.48% | 25,515 | $75.24 |
| Q4 2024 | +2,956 | Add 11.59% | 28,471 | $71.59 |
| Q1 2025 | +100,132 | Add 351.70% | 128,603 | $78.79 |
| Q2 2025 | +236,255 | Add 183.71% | 364,858 | $80.40 |
| Q3 2025 | -41,115 | Reduce 11.27% | 323,743 | $83.67 |
Cliff Asness's CoStar Group Investment FAQs
Cliff Asness first purchased CoStar Group, Inc. (CSGP) in Q3 2013, acquiring 22,080 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Cliff Asness has held CoStar Group, Inc. (CSGP) for 49 quarters since Q3 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Cliff Asness's largest addition to CoStar Group, Inc. (CSGP) was in Q2 2019, adding 1,164,270 shares worth $64.51 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Cliff Asness's firm, Aqr Capital Management LLC, owns 323,743 shares of CoStar Group, Inc. (CSGP), valued at approximately $27.09 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, CoStar Group, Inc. (CSGP) represents approximately 0.02% of Cliff Asness's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Cliff Asness's peak holding in CoStar Group, Inc. (CSGP) was 1,164,270 shares, as reported at the end of Q2 2019. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.