CSGP fund manager activity
CoStar Group, Inc · Nasdaq. Reported by 14 tracked fund managers in their 13F filings, Q2 2013 to Q2 2026.
Q2 2026
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| Chuck Akre - Akre Capital Management | Added | 11,699,396 | $331,326,895 | 6.49% | Aug 14, 2026 |
| Ron Baron - Baron Capital | Added | 21,626,763 | $612,469,928 | 0.92% | Aug 14, 2026 |
| Jeremy Grantham - GMO | New | 24,564 | $695,652 | 0.00% | Aug 13, 2026 |
| Joel Greenblatt - Gotham Asset Management | Added | 635,988 | $18,011,180 | 0.04% | Aug 14, 2026 |
| Hillman Capital Management | Added | 10,745 | $304,298 | 0.22% | Aug 14, 2026 |
| Polen Capital Management | Trimmed | 8,759,314 | $248,063,762 | 2.14% | Aug 4, 2026 |
| Dennis Hong - ShawSpring Partners | Sold out | — | — | 0.00% | Aug 14, 2026 |
| Chase Coleman - Tiger Global Management | Sold out | — | — | 0.00% | Aug 14, 2026 |
| Wallace Weitz - Weitz Investment Management | Trimmed | 423,181 | $11,984,486 | 0.83% | Aug 12, 2026 |
Q1 2026
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| Chuck Akre - Akre Capital Management | Added | 10,348,273 | $417,449,333 | 6.83% | May 14, 2026 |
| Ron Baron - Baron Capital | Trimmed | 16,314,175 | $658,113,819 | 1.99% | May 15, 2026 |
| Joel Greenblatt - Gotham Asset Management | Added | 447,016 | $18,032,625 | 0.06% | May 15, 2026 |
| Hillman Capital Management | New | 8,557 | $345,189 | 0.24% | May 15, 2026 |
| Polen Capital Management | Added | 12,570,368 | $507,088,654 | 3.51% | May 14, 2026 |
| Dennis Hong - ShawSpring Partners | Trimmed | 339,081 | $13,678,528 | 5.11% | May 14, 2026 |
| Daniel Loeb - Third Point | Sold out | — | — | 0.00% | May 15, 2026 |
| Chase Coleman - Tiger Global Management | Trimmed | 1,500,000 | $60,510,000 | 0.26% | May 15, 2026 |
| Viking Global Investors | Sold out | — | — | 0.00% | May 15, 2026 |
| Vulcan Value Partners | Sold out | — | — | 0.00% | May 11, 2026 |
| Wallace Weitz - Weitz Investment Management | Trimmed | 517,025 | $20,856,789 | 1.46% | May 14, 2026 |