CSGP β€” COSTAR GROUP INC

Ownership history in SG Capital Management LLC  Β·  6 quarters on record

AI Ownership Summary

SG Capital Management LLC reported COSTAR GROUP INC (CSGP) in 6 quarterly 13F filings from 2025 Q2 through 2025 Q4. Peak portfolio weight reached 5.24% in 2025 Q4. The latest visible filing shows CSGP at 3.22% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this CSGP ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was SG Capital Management LLC's position in COSTAR GROUP INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

CSGP was reported at 3.22% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
5.24% in 2025 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2025 Q2 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How SG Capital Management LLC held CSGP β€” position size vs. price
% of Fund (quarterly)    CSGP price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 4 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 499,300 -311,881 -38.4% 3.22% $33.6M 2026-02-14 (Est.) $44.99
2025 Q4 ADDED 811,181 +716,444 +756.2% 5.24% $54.5M 2026-02-14 (Est.) $44.99
2025 Q3 REDUCED 94,737 -845,418 -89.9% 0.71% $8.0M 2025-11-07 $67.52
2025 Q2 ADDED 940,155 +894,605 +1964.0% 5.22% $75.6M 2025-08-08 $94.50
2 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding CSGP

As of 2026 Q1 β€” sorted by position size

Marex Group plc 0.01% Hilltop National Bank 0.0% Aspect Partners, LLC 0.0%

FAQ About SG Capital Management LLC and CSGP

These are the practical questions this page is built to answer before you even open the full history table.

How long has SG Capital Management LLC reported owning CSGP?

SG Capital Management LLC reported CSGP across 4 quarterly 13F filings, from 2025 Q2 through 2025 Q4.

What was the largest reported CSGP position in SG Capital Management LLC's portfolio?

The largest reported portfolio weight for CSGP was 5.24% in 2025 Q4.

What is the latest reported CSGP position on this page?

The most recent filing on this page is 2025 Q4, when SG Capital Management LLC reported 499,300 shares, equal to 3.22% of portfolio, with an estimated market value of $33.6M.

What does the chart on this CSGP ownership page compare?

The chart compares SG Capital Management LLC's quarterly CSGP portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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