Jeremy Grantham's CSGP Position Overview
Jeremy Grantham (via Grantham, Mayo, Van Otterloo & Co. LLC) currently holds 24,564 shares of CoStar Group, Inc. (CSGP) worth $695,652, representing 0.00% of the portfolio. First purchased in 2019-Q3, this short-term holding has been held for 8 quarters.
Based on 13F filings, Jeremy Grantham has maintained this position in CSGP for several quarters, showing initial confidence in the investment. Largest addition occurred in Q2 2026, adding 24,564 shares. Largest reduction occurred in Q4 2019, reducing 29,390 shares.
Analysis based on 13F filings available since 2013 Q2
Jeremy Grantham's CoStar Group (CSGP) Holding Value Over Time
Track share changes against reported price movement
Quarterly CoStar Group (CSGP) Trades by Jeremy Grantham
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2026 | +24,564 | New Buy | 24,564 | $28.32 |
| Q3 2025 | -8,373 | Sold Out | 0 | $0.00 |
| Q2 2025 | -431 | Reduce 4.90% | 8,373 | $80.40 |
| Q1 2025 | +8,804 | New Buy | 8,804 | $79.23 |
| Q2 2021 | -5,000 | Sold Out | 0 | $0.00 |
| Q1 2021 | +5,000 | New Buy | 5,000 | $82.20 |
| Q4 2019 | -29,390 | Sold Out | 0 | $0.00 |
| Q3 2019 | +29,390 | New Buy | 29,390 | $59.31 |
Jeremy Grantham's CoStar Group Investment FAQs
Jeremy Grantham first purchased CoStar Group, Inc. (CSGP) in Q3 2019, acquiring 29,390 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Jeremy Grantham has held CoStar Group, Inc. (CSGP) for 8 quarters since Q3 2019.
Jeremy Grantham's largest addition to CoStar Group, Inc. (CSGP) was in Q3 2019, adding 29,390 shares worth $1.74 M.
According to the latest 13F filing for Q2 2026, Jeremy Grantham's firm, Grantham, Mayo, Van Otterloo & Co. LLC, owns 24,564 shares of CoStar Group, Inc. (CSGP), valued at approximately $695,652.
As of the Q2 2026 filing, CoStar Group, Inc. (CSGP) represents approximately 0.00% of Jeremy Grantham's publicly disclosed stock portfolio, making it one of their key holdings.
Jeremy Grantham's peak holding in CoStar Group, Inc. (CSGP) was 29,390 shares, as reported at the end of Q3 2019.