Values screen · § CSGP · CoStar Group Inc

Is CoStar Group (CSGP) halal?

Doubtful — CSGP is borderline under the AAOIFI Sharia screen and warrants caution.

~ ReviewValues screen · Under review

Purification$0.03/sh

AAOIFI report · Jul 30, 2026Last checked · Oct 10, 2026

Compliance under review — exercise caution. Not investment advice.

Recent insider buys (SEC Form 4)

Detected	Insider	Value	Price @	Δ1d	Δ7d
Aug 5, 2026	CEO Florance Andrew CFounder,	$2.5M	$29.82	-0.79%	+2.30%

Filed	Member	Chamber	Buy band	Δ1d	Δ7d
Sep 11, 2026	Hon. Gilbert Cisneros	House	$1K–$15K	+3.48%	-4.50%

We have not matched CSGP to a federal contracting entity yet, so no contract figures are shown.

We have not matched CSGP to a lobbying client yet, so no lobbying figures are shown.

Detected	Move
Aug 14, 2026	Chuck Akre - Akre Capital Management — Add CSGP (13.06%) in Q2 2026.
Aug 14, 2026	Dennis Hong - ShawSpring Partners — Sell CSGP (-100.00%) in Q2 2026.
Jun 1, 2026	Dennis Hong - ShawSpring Partners — Reduce CSGP (-64.59%) in Q1 2026.
Jun 1, 2026	Polen Capital Management — Add CSGP (157.01%) in Q1 2026.
Jun 1, 2026	Wallace Weitz - Weitz Investment Management — Reduce CSGP (-28.18%) in Q1 2026.
May 31, 2026	Vulcan Value Partners — Sell CSGP (-100.00%) in Q1 2026.

Fired	Kind	Sources	Score
Sep 11, 2026	cross-source	congress, 13f	2.95
Aug 5, 2026	cross-source	sec_form4, 13f	2.89

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Doubtful — CSGP is borderline under the AAOIFI Sharia screen and warrants caution.

Yes — 1 disclosed SEC Form 4 purchase for CSGP in the last 90 days, the most recent on Aug 5, 2026.