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CITADEL ADVISORS LLC

Position in CSGP — Costar Group, Inc.

CIK 1423053 MIAMI, FL

Position in CSGP

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$21,010,550
-$22,887,599 QoQ
Shares Held
741,898
-31.8% QoQ
Ownership
0.183%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#79
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)

Derivatives in CSGP

reported options exposure · as of Jun 30, 2026
CallValue
$8,258,112
CallShares
291,600
PutValue
$5,788,608
PutShares
204,400

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 Jun 30, 2026

CITADEL ADVISORS LLC holds $433,047,789 across 22 Real Estate Services names. CSGP ranks #4 (4.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 CSGP
Costar Group, Inc.
This page
741,898 $21,010,550

All Filings in CSGP

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $8,258,112 291,600
2026-06-30 $5,788,608 204,400
2026-06-30 $21,010,550 741,898
2026-03-31 $43,898,149 1,088,204
2026-03-31 $20,589,536 510,400
2026-03-31 $4,461,604 110,600
2025-12-31 $5,025,383 74,738
2025-12-31 $40,649,470 604,543
2025-12-31 $16,538,350 245,960
2025-09-30 $33,013,559 391,295
2025-09-30 $145,674,760 1,726,618
2025-09-30 $3,462,376 41,038
2025-06-30 $14,202,418 176,647
2025-06-30 $3,373,262 41,956
2025-06-30 $2,528,017 31,443
2025-03-31 $10,413,357 131,432
2025-03-31 $3,445,712 43,490
2025-03-31 $24,615,651 310,686
2024-12-31 $19,887,702 277,800
2024-12-31 $14,906,755 208,224
2024-12-31 $22,185,741 309,900
2024-09-30 $8,245,592 109,300
2024-09-30 $31,526,376 417,900
2024-09-30 $19,032,606 252,288
2024-06-30 $19,454,336 262,400
2024-06-30 $34,600,915 466,697
2024-06-30 $4,255,636 57,400
2024-03-31 $10,316,880 106,800
2024-03-31 $8,529,780 88,300
2024-03-31 $47,325,981 489,917
2023-12-31 $7,401,933 84,700
2023-12-31 $543,128 6,215
2023-12-31 $1,966,275 22,500
2023-09-30 $5,559,147 72,300
2023-09-30 $4,413,486 57,400
2023-09-30 $1,699,038 22,097
2023-06-30 $22,325,027 250,843
2023-06-30 $6,390,200 71,800
2023-06-30 $5,509,100 61,900
2023-03-31 $3,304,800 48,000
2023-03-31 $4,915,890 71,400
2023-03-31 $850,159 12,348
2022-12-31 $5,332 69
2022-12-31 $7,272,048 94,100
2022-12-31 $4,289,040 55,500
2022-09-30 $7,264,495 104,300
2022-09-30 $7,557,025 108,500
2022-09-30 $193,160,413 2,773,301
2022-06-30 $175,556,412 2,906,082
2022-06-30 $6,252,435 103,500