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HARBOR INVESTMENT ADVISORY, LLC

Position in CSGP — Costar Group, Inc.

CIK 1468792 LUTHERVILLE, MD

Position in CSGP

as of Jun 30, 2026 · filed Jul 7, 2026
Position Value
$101,102
-$72,158 QoQ
Shares Held
3,570
-16.9% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#552
of 747 holders
Holding Since
Mar 2020
26 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

HARBOR INVESTMENT ADVISORY, LLC holds $111,877 across 2 Real Estate Services names. CSGP ranks #1 (90.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CSGP
Costar Group, Inc.
This page
3,570 $101,102

All Filings in CSGP

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $101,102 3,570
2026-03-31 $173,260 4,295
2025-12-31 $415,207 6,175
2025-09-30 $514,657 6,100
2025-06-30 $490,440 6,100
2025-03-31 $488,690 6,168
2024-12-31 $67,437 942
2024-09-30 $87,284 1,157
2024-06-30 $86,076 1,161
2024-03-31 $74,285 769
2023-12-31 $67,902 777
2023-09-30 $57,359 746
2023-06-30 $66,394 746
2023-03-31 $52,257 759
2022-12-31 $67,156 869
2022-09-30 $70,764 1,016
2022-06-30 $44,159 731
2022-03-31 $33,305 500
2021-12-31 $39,515 500
2021-09-30 $71,171 827
2021-06-30 $41,410 500
2021-03-31 $41,094 50
2020-12-31 $46,214 50
2020-09-30 $42,425 50
2020-06-30 $35,533 50
2020-03-31 $29,360 50