OSTERWEIS CAPITAL MANAGEMENT INC
Position in CSGP — Costar Group, Inc.
CIK 1007524
SAN FRANCISCO, CA
Position in CSGP
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$13,150
-$136,016 QoQ
Shares Held
326
-81.6% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2025
3 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in CSGP Over Time
Shares Held
Position Value (USD)
Position in Real Estate Services
Real Estate · as of Mar 31, 2026OSTERWEIS CAPITAL MANAGEMENT INC holds $9,028,132 across 2 Real Estate Services names. CSGP ranks #2 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | FSV |
FirstService Corp
|
64,884 | $9,014,982 | |
| 2 | CSGP |
Costar Group, Inc.
This page
|
326 | $13,150 |
All Filings in CSGP
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3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $13,150 | 326 | Shares | Sole | 2026-05-15 | |
| 2025-09-30 | $149,166 | 1,768 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $146,086 | 1,817 | Shares | Sole | 2025-08-14 | |
| No filing history on record for this holder in this stock. | ||||||