Ownership history in Kampmann Melissa S. · 9 quarters on record
This page tracks every 13F SEC filing in which Kampmann Melissa S. reported a position in COSTAR GROUP INC (CSGP). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q3 | ADDED | 28,900 | +4,395 | +17.9% | 1.78% | $2.4M | $84.37 |
| 2025 Q2 | ADDED | 24,505 | +555 | +2.3% | 1.48% | $2.0M | $80.40 |
| 2025 Q1 | ADDED | 23,950 | +5,775 | +31.8% | 1.50% | $1.9M | $79.23 |
| 2024 Q4 | REDUCED | 18,175 | -5,240 | -22.4% | 1.02% | $1.3M | $71.59 |
| 2024 Q3 | ADDED | 23,415 | +350 | +1.5% | 1.25% | $1.8M | $75.44 |
| 2024 Q2 | ADDED | 23,065 | +2,230 | +10.7% | 1.25% | $1.7M | $74.14 |
| 2024 Q1 | ADDED | 20,835 | +5,075 | +32.2% | 1.45% | $2.0M | $96.60 |
| 2023 Q4 | ADDED | 15,760 | +1,225 | +8.4% | 1.18% | $1.4M | $87.39 |
| 2023 Q3 | INITIATED | 14,535 | — | — | 1.08% | $1.1M | — |
As of 2025 Q4 — sorted by position size