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CAPSTONE INVESTMENT ADVISORS, LLC

Position in CSGP — Costar Group, Inc.

CIK 1426196 NEW YORK, NY

Position in CSGP

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$388,393
-$106,964 QoQ
Shares Held
9,628
+30.7% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2023
12 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 100.ToString("F0")% None 0.ToString("F0")%

Common Shares in CSGP Over Time

Shares Held

Position Value (USD)

Derivatives in CSGP

reported options exposure · as of Mar 31, 2026
CallValue
$0
CallShares
0
PutValue
$790,664
PutShares
19,600

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Real Estate Services

Real Estate · as of Mar 31, 2026

CAPSTONE INVESTMENT ADVISORS, LLC holds $5,134,968 across 6 Real Estate Services names. CSGP ranks #3 (7.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 CSGP
Costar Group, Inc.
This page
9,628 $388,393

All Filings in CSGP

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34 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $388,393 9,628
2026-03-31 $790,664 19,600
2025-12-31 $1,223,768 18,200
2025-12-31 $495,357 7,367
2025-12-31 $201,720 3,000
2025-09-30 $658,086 7,800
2025-09-30 $2,826,395 33,500
2025-09-30 $6,556,308 77,709
2025-06-30 $4,750,755 59,089
2025-06-30 $2,524,560 31,400
2025-06-30 $450,240 5,600
2025-03-31 $942,837 11,900
2025-03-31 $4,143,729 52,300
2025-03-31 $538,843 6,801
2024-12-31 $4,903,915 68,500
2024-12-31 $1,116,804 15,600
2024-12-31 $3,288,271 45,932
2024-09-30 $2,695,622 35,732
2024-09-30 $822,296 10,900
2024-09-30 $4,269,904 56,600
2024-06-30 $2,447,361 33,010
2024-06-30 $3,388,198 45,700
2024-06-30 $659,846 8,900
2024-03-31 $1,583,757 16,395
2024-03-31 $1,371,720 14,200
2024-03-31 $144,900 1,500
2023-12-31 $217,164 2,485
2023-12-31 $192,258 2,200
2023-12-31 $943,812 10,800
2023-09-30 $527,772 6,864
2023-09-30 $438,273 5,700
2023-09-30 $53,823 700
2023-06-30 $62,300 700
2023-06-30 $213,600 2,400