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JANE STREET GROUP, LLC

Position in CSGP — Costar Group, Inc.

CIK 1595888 NEW YORK, NY

Position in CSGP

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$61,236,958
+$17,369,347 QoQ
Shares Held
2,162,322
+98.8% QoQ
Ownership
0.534%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#41
of 749 holders
Holding Since
Jun 2020
25 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
$9,045,408
CallShares
319,400
PutValue
$2,885,808
PutShares
101,900

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

JANE STREET GROUP, LLC holds $361,080,207 across 15 Real Estate Services names. CSGP ranks #2 (17.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 CSGP
Costar Group, Inc.
This page
2,162,322 $61,236,958

All Filings in CSGP

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50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,885,808 101,900
2026-06-30 $9,045,408 319,400
2026-06-30 $61,236,958 2,162,322
2026-03-31 $6,123,612 151,800
2026-03-31 $43,867,611 1,087,447
2026-03-31 $2,956,922 73,300
2025-12-31 $2,656,383 39,506
2025-12-31 $15,961,160 237,376
2025-12-31 $12,052,702 179,249
2025-09-30 $12,231,118 144,970
2025-09-30 $9,755,785 115,631
2025-09-30 $692,340 8,206
2025-06-30 $852,722 10,606
2025-06-30 $10,427,558 129,696
2025-03-31 $13,894,089 175,364
2025-03-31 $9,938,294 125,436
2024-12-31 $321,725 4,494
2024-12-31 $9,965,328 139,200
2024-12-31 $6,242,648 87,200
2024-09-30 $8,868,498 117,557
2024-09-30 $3,553,224 47,100
2024-09-30 $7,830,672 103,800
2024-06-30 $13,893,909 187,401
2024-03-31 $7,647,531 79,167
2023-12-31 $8,081,652 92,478
2023-09-30 $8,155,337 106,065
2023-06-30 $56,002,627 629,243
2023-03-31 $2,346,407 34,080
2022-12-31 $43,312,580 560,463
2022-09-30 $30,992,230 444,971
2022-06-30 $10,369,436 171,651
2022-03-31 $1,655,257 24,850
2022-03-31 $5,795,070 87,000
2022-03-31 $8,692,605 130,500
2021-12-31 $2,685,438 33,980
2021-12-31 $1,683,339 21,300
2021-12-31 $3,358,775 42,500
2021-09-30 $10,112,050 117,500
2021-09-30 $9,733,643 113,103
2021-09-30 $5,413,174 62,900
2021-06-30 $8,182,616 98,800
2021-06-30 $25,061,496 302,602
2021-06-30 $18,386,040 222,000
2021-03-31 $26,636,632 32,409
2021-03-31 $4,931,340 6,000
2021-03-31 $6,739,498 8,200
2020-12-31 $1,374,404 1,487
2020-12-31 $4,621,400 5,000
2020-12-31 $1,940,988 2,100
2020-09-30 $5,345,613 6,300