Cliff Asness's CSGP Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 369,352 shares of CoStar Group, Inc. (CSGP) worth $24.84 M, representing 0.01% of the portfolio. First purchased in 2013-Q3, this long-term strategic position has been held for 50 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 858,600 shares. Largest reduction occurred in Q2 2020, reducing 255,320 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
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +45,609 | Add 14.09% | 369,352 | $67.24 |
| Q3 2025 | -41,115 | Reduce 11.27% | 323,743 | $83.67 |
| Q2 2025 | +236,255 | Add 183.71% | 364,858 | $80.40 |
| Q1 2025 | +100,132 | Add 351.70% | 128,603 | $78.79 |
| Q4 2024 | +2,956 | Add 11.59% | 28,471 | $71.59 |
| Q3 2024 | -3,308 | Reduce 11.48% | 25,515 | $75.24 |
| Q2 2024 | -5,813 | Reduce 16.78% | 28,823 | $73.76 |
| Q1 2024 | +945 | Add 2.80% | 34,636 | $96.60 |
| Q4 2023 | -48,317 | Reduce 58.92% | 33,691 | $87.39 |
| Q3 2023 | -114,345 | Reduce 58.23% | 82,008 | $76.89 |
| Q2 2023 | +31,960 | Add 19.44% | 196,353 | $89.00 |
| Q1 2023 | -2,034 | Reduce 1.22% | 164,393 | $68.07 |
| Q4 2022 | -8,661 | Reduce 4.95% | 166,427 | $77.10 |
| Q3 2022 | -22,907 | Reduce 11.57% | 175,088 | $69.65 |
| Q2 2022 | -104,433 | Reduce 34.53% | 197,995 | $58.47 |
| Q1 2022 | +44,184 | Add 17.11% | 302,428 | $66.61 |
| Q4 2021 | -3,827 | Reduce 1.46% | 258,244 | $79.03 |
| Q3 2021 | -859 | Reduce 0.33% | 262,071 | $85.68 |
| Q2 2021 | -69,990 | Reduce 21.02% | 262,930 | $82.82 |
| Q1 2021 | -81,220 | Reduce 19.61% | 332,920 | $80.82 |
| Q4 2020 | +1,120 | Add 0.27% | 414,140 | $92.33 |
| Q3 2020 | -72,060 | Reduce 14.86% | 413,020 | $84.85 |
| Q2 2020 | -255,320 | Reduce 34.48% | 485,080 | $69.44 |
| Q1 2020 | -170,860 | Reduce 18.75% | 740,400 | $58.67 |
| Q4 2019 | -158,760 | Reduce 14.84% | 911,260 | $59.83 |
| Q3 2019 | -94,250 | Reduce 8.10% | 1.07 M | $59.32 |
| Q2 2019 | +858,600 | Add 280.89% | 1.16 M | $55.41 |
| Q1 2019 | -15,550 | Reduce 4.84% | 305,670 | $46.50 |
| Q4 2018 | -110,700 | Reduce 25.63% | 321,220 | $33.73 |
| Q3 2018 | -34,110 | Reduce 7.32% | 431,920 | $42.08 |
| Q2 2018 | +94,760 | Add 25.52% | 466,030 | $41.26 |
| Q1 2018 | +297,110 | Add 400.63% | 371,270 | $36.27 |
| Q4 2017 | +17,490 | Add 30.86% | 74,160 | $29.69 |
| Q3 2017 | +14,390 | Add 34.04% | 56,670 | $26.82 |
| Q2 2017 | -1,260 | Reduce 2.89% | 42,280 | $26.37 |
| Q1 2017 | -7,170 | Reduce 14.14% | 43,540 | $20.72 |
| Q4 2016 | -30,170 | Reduce 37.30% | 50,710 | $18.85 |
| Q3 2016 | +39,040 | Add 93.31% | 80,880 | $21.65 |
| Q2 2016 | -11,160 | Reduce 21.06% | 41,840 | $21.87 |
| Q1 2016 | -120 | Reduce 0.23% | 53,000 | $18.81 |
| Q4 2015 | +10 | Add 0.02% | 53,120 | $20.67 |
| Q4 2014 | -184,890 | Reduce 77.68% | 53,110 | $18.36 |
| Q3 2014 | +111,920 | Add 88.77% | 238,000 | $15.55 |
| Q2 2014 | -4,000 | Reduce 3.08% | 126,080 | $15.82 |
| Q1 2014 | +90,000 | Add 224.55% | 130,080 | $18.67 |
| Q4 2013 | +18,000 | Add 81.52% | 40,080 | $18.46 |
| Q3 2013 | +22,080 | New Buy | 22,080 | $16.80 |
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 50 quarters since Q3 2013.
Cliff Asness's largest addition to CoStar Group, Inc. (CSGP) was in Q2 2019, adding 1,164,270 shares worth $64.51 M.
According to the latest 13F filing for Q4 2025, Cliff Asness's firm, Aqr Capital Management LLC, owns 369,352 shares of CoStar Group, Inc. (CSGP), valued at approximately $24.84 M.
As of the Q4 2025 filing, CoStar Group, Inc. (CSGP) represents approximately 0.01% of Cliff Asness's publicly disclosed stock portfolio, making it one of their key holdings.
Cliff Asness's peak holding in CoStar Group, Inc. (CSGP) was 1,164,270 shares, as reported at the end of Q2 2019.