CSGP fund manager activity
CoStar Group, Inc · Nasdaq. Reported by 14 tracked fund managers in their 13F filings, Q2 2013 to Q2 2026.
Q2 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| Chuck Akre - Akre Capital Management | Trimmed | 9,309,232 | $748,462,253 | 7.33% | Aug 14, 2025 |
| Ron Baron - Baron Capital | Added | 19,679,935 | $1,582,266,774 | 4.29% | Aug 14, 2025 |
| Jeremy Grantham - GMO | Trimmed | 8,373 | $673,189 | 0.00% | Aug 13, 2025 |
| Joel Greenblatt - Gotham Asset Management | New | 4,663 | $374,905 | 0.00% | Aug 14, 2025 |
| Thomas Gayner - Markel Group | No change | 18,600 | $1,495,440 | 0.01% | Aug 1, 2025 |
| Polen Capital Management | Added | 6,923,828 | $556,675,810 | 1.71% | Aug 13, 2025 |
| Dennis Hong - ShawSpring Partners | Added | 1,356,060 | $109,027,224 | 13.8% | Aug 14, 2025 |
| Daniel Loeb - Third Point | Added | 3,085,000 | $248,034,000 | 3.26% | Aug 14, 2025 |
| Chase Coleman - Tiger Global Management | No change | 3,245,109 | $260,906,764 | 0.77% | Aug 14, 2025 |
| Viking Global Investors | New | 3,218,568 | $258,772,867 | 0.75% | Aug 14, 2025 |
| Vulcan Value Partners | Trimmed | 3,716,484 | $309,132,636 | 5.45% | Aug 13, 2025 |
| Wallace Weitz - Weitz Investment Management | Trimmed | 765,600 | $61,554,240 | 3.31% | Aug 12, 2025 |
Q1 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| Chuck Akre - Akre Capital Management | Trimmed | 9,313,592 | $737,915,894 | 7.09% | May 13, 2025 |
| Ron Baron - Baron Capital | Trimmed | 19,032,522 | $1,507,946,718 | 4.43% | May 15, 2025 |
| Jeremy Grantham - GMO | New | 8,804 | $697,541 | 0.00% | May 14, 2025 |
| Thomas Gayner - Markel Group | No change | 18,600 | $1,473,678 | 0.01% | May 2, 2025 |
| Polen Capital Management | Added | 6,601,800 | $523,060,632 | 1.64% | May 12, 2025 |
| Dennis Hong - ShawSpring Partners | Added | 1,148,302 | $90,979,967 | 12.5% | May 15, 2025 |
| Daniel Loeb - Third Point | New | 1,975,000 | $156,479,250 | 2.46% | May 15, 2025 |
| Chase Coleman - Tiger Global Management | No change | 3,245,109 | $257,109,986 | 0.97% | May 15, 2025 |
| Viking Global Investors | Sold out | — | — | 0.00% | May 15, 2025 |
| Vulcan Value Partners | Trimmed | 4,833,477 | $382,949,626 | 7.19% | May 8, 2025 |
| Wallace Weitz - Weitz Investment Management | Added | 911,600 | $72,226,068 | 3.84% | May 9, 2025 |