Joel Greenblatt's CSGP Position Overview
Joel Greenblatt (via Gotham Asset Management, LLC) currently holds 22.7K shares of CoStar Group, Inc. (CSGP) worth $1.91 M, representing 0.01% of the portfolio. First purchased in 2014-Q2, this long-term strategic position has been held for 46 quarters.
Based on 13F filings since 2013, Joel Greenblatt has maintained a long-term strategic position in CSGP, representing a significant commitment to this investment thesis. Largest addition occurred in Q4 2017, adding 118.6K shares. Largest reduction occurred in Q3 2018, reducing 171.0K shares.
Analysis based on 13F filings available since 2013 Q2
Joel Greenblatt's CoStar Group (CSGP) Holding Value Over Time
Track share changes against reported price movement
Quarterly CoStar Group (CSGP) Trades by Joel Greenblatt
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2014 | +116,760 | New Buy | 116,760 | $15.82 |
| Q3 2014 | -116,760 | Sold Out | 116,760 | $0.00 |
| Q1 2016 | +66,080 | New Buy | 66,080 | $18.81 |
| Q2 2016 | +49,730 | Add 75.26% | 115,810 | $21.86 |
| Q3 2016 | -39,290 | Reduce 33.93% | 76,520 | $21.65 |
| Q4 2016 | -7,210 | Reduce 9.42% | 69,310 | $18.84 |
| Q1 2017 | -69,310 | Sold Out | 69,310 | $0.00 |
| Q3 2017 | +57,380 | New Buy | 57,380 | $26.82 |
| Q4 2017 | +118,590 | Add 206.67% | 175,970 | $29.69 |
| Q1 2018 | -175,970 | Sold Out | 175,970 | $0.00 |
| Q3 2018 | +4,970 | New Buy | 4,970 | $42.05 |
| Q4 2018 | -4,970 | Sold Out | 4,970 | $0.00 |
| Q3 2019 | +63,120 | New Buy | 63,120 | $59.32 |
| Q4 2019 | -58,740 | Reduce 93.06% | 4,380 | $59.82 |
| Q1 2020 | -4,380 | Sold Out | 4,380 | $0.00 |
| Q2 2022 | +18,371 | New Buy | 18,371 | $60.42 |
| Q3 2022 | -18,371 | Sold Out | 18,371 | $0.00 |
| Q1 2023 | +7,670 | New Buy | 7,670 | $68.85 |
| Q2 2023 | -7,670 | Sold Out | 7,670 | $0.00 |
| Q2 2025 | +4,663 | New Buy | 4,663 | $80.40 |
| Q3 2025 | +17,988 | Add 385.76% | 22,651 | $84.37 |
Joel Greenblatt's CoStar Group Investment FAQs
Joel Greenblatt first purchased CoStar Group, Inc. (CSGP) in Q2 2014, acquiring 116,760 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Joel Greenblatt has held CoStar Group, Inc. (CSGP) for 46 quarters since Q2 2014. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Joel Greenblatt's largest addition to CoStar Group, Inc. (CSGP) was in Q4 2017, adding 175,970 shares worth $5.22 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Joel Greenblatt's firm, Gotham Asset Management, LLC, owns 22,651 shares of CoStar Group, Inc. (CSGP), valued at approximately $1.91 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 0.01% of Joel Greenblatt'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.
Joel Greenblatt's peak holding in CoStar Group, Inc. (CSGP) was 175,970 shares, as reported at the end of Q4 2017. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.