Andrew C. Florance owns 0.45% of Costar Group
1,806,165 shares as of the August 4, 2026 filing, worth $58.4M at the latest close.
CSGP · $13.1B market cap · Founder-ledGet an email when Andrew C. Florance’s stake moves.
Free.
The stake
0.45%
worth $58.4M at the latest close
Stake rank
#637
by dollar value of the stake
Last sale
2,049 days ago
Mar 10, 2021
Last buy
76 days ago
Aug 4, 2026 · $2.5M
Andrew C. Florance owns 0.45% of COSTAR GROUP, INC.: 1,806,165 of 405,197,588 shares, worth about $58.4M at the 2026-10-16 close. The stake has moved from 0.44% in 2016 to 0.45% on 2026-08-04, across 8 sales and 4 purchases that moved it since 2016. The last trade that moved it was a discretionary purchase of $2.5M on 2026-08-04.
How the stake is held
as of the Aug 4, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Aug 4, 2026 · Form 4 ↗
HELD DIRECTLY
1,806,165
100.0%
THE STAKE
1,806,165
0.45%