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Weiss Asset Management LP

Position in CSGP — Costar Group, Inc.

CIK 1357550 BOSTON, MA

Position in CSGP

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$20,069,150
+$17,761,474 QoQ
Shares Held
497,500
+1349.6% QoQ
Ownership
0.123%
of shares outstanding
% of Portfolio
0.54%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2021
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CSGP Over Time

Shares Held

Position Value (USD)

Position in Real Estate Services

Real Estate · as of Jun 30, 2026

Weiss Asset Management LP holds $14,336,972 across 1 Real Estate Services name.

# Ticker Company Shares Value (USD) Open

All Filings in CSGP

Export CSV
4 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $20,069,150 497,500
2025-12-31 $2,307,676 34,320
2024-03-31 $498,166 5,157
2021-03-31 $1,853,361 2,255