CoStar Group, Inc.
CSGPLast close · Oct 16, 202632.31+0.31 (+0.97%)
Market cap$13.1B
Of the 85 managers this site tracks, 4 held CoStar Group (CSGP) at the end of Q2 2026, their latest 13Fs. The largest position by value was Akre's, $331.3M; Polen Capital's ($248.1M) and Wallace Weitz's ($12.0M) follow. No Schedule 13D or 13G is on file for CSGP from the activists and large holders the site follows.
Superinvestors holding CSGP
| Manager | Firm | Quarter | Shares | Value |
|---|---|---|---|---|
| Akre | Akre Capital Management LLC | Q2 2026 | 12M | $331.3M |
| Polen Capital | Polen Capital Management LLC | Q2 2026 | 9M | $248.1M |
| Wallace Weitz | Weitz Investment Management, Inc. | Q2 2026 | 423,181 | $12.0M |
| Hillman Capital | Hillman Capital Management, Inc. | Q2 2026 | 10,745 | $304,298 |
13D/13G are SEC beneficial-ownership disclosures, triggered only above 5%; a 13F is a quarterly snapshot filed up to 45 days after quarter end. Superinvestor names link to their full portfolios under Investors.