CoStar shares owned by Louisbourg Investments
Quarter-by-quarter ownership of CoStar (CSGP) shares owned by Louisbourg Investments
from 13F filings
Historical chart of Louisbourg Investments investment in CoStar
Tip: Access up to 7 years of quarterly data
All positions including CoStar held by Louisbourg Investments consolidated in one spreadsheet with up to 7 years of data
Download as csvQuarterly reported holdings in CoStar by Louisbourg Investments
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-06-30 | $5.5M | 256k | 21.45 |
| 2026-03-31 | $5.4M | 175k | 30.77 |
| 2025-12-31 | $4.7M | 90k | 52.53 |
| 2025-09-30 | $1.1M | 16k | 67.05 |
| 2025-06-30 | $1.7M | 27k | 62.62 |
More positions owned by Louisbourg Investments
Blackberry (BB)
View all positions for Louisbourg Investments