CSGP COSTAR GROUP INC COM

Ownership history in PARK AVENUE SECURITIES LLC  ·  24 quarters on record

AI Ownership Summary

PARK AVENUE SECURITIES LLC reported COSTAR GROUP INC COM (CSGP) in 24 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 0.04% in 2023 Q4. The latest visible filing shows CSGP at 0.01% 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 PARK AVENUE SECURITIES LLC's position in COSTAR GROUP INC COM, 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
2026 Q1

CSGP was reported at 0.01% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.04% in 2023 Q4

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

Time in book
Holding Window
2023 Q4 to 2026 Q1

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 PARK AVENUE SECURITIES LLC held CSGP — position size vs. price
% of Fund (quarterly)    CSGP price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 9 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED 21,163 -2,016 -8.7% 0.01% $854 2026-04-07 $39.48
2025 Q4 REDUCED 23,179 -3,344 -12.6% 0.01% $1.6M 2026-01-05 $66.42
2025 Q3 ADDED 26,523 +291 +1.1% 0.02% $2.2M 2025-10-23 $77.66
2025 Q2 REDUCED 26,232 -2,841 -9.8% 0.02% $2.1M 2025-07-14 $85.64
2024 Q4 ADDED 29,073 +542 +1.9% 0.02% $2.1M 2025-01-14 $69.61
2024 Q3 REDUCED 28,531 -4,865 -14.6% 0.02% $2.2M 2024-10-03 $73.90
2024 Q2 REDUCED 33,396 -903 -2.6% 0.03% $2.5M 2024-07-09 $71.59
2024 Q1 REDUCED 34,299 -1,212 -3.4% 0.04% $3.3M 2024-04-10 $90.65
2023 Q4 REDUCED 35,511 -1,017 -2.8% 0.04% $3.1M 2024-01-10 $82.71
15 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About PARK AVENUE SECURITIES 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 PARK AVENUE SECURITIES LLC reported owning CSGP?

PARK AVENUE SECURITIES LLC reported CSGP across 9 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported CSGP position in PARK AVENUE SECURITIES LLC's portfolio?

The largest reported portfolio weight for CSGP was 0.04% in 2023 Q4.

What is the latest reported CSGP position on this page?

The most recent filing on this page is 2026 Q1, when PARK AVENUE SECURITIES LLC reported 21,163 shares, equal to 0.01% of portfolio, with an estimated market value of $854.

What does the chart on this CSGP ownership page compare?

The chart compares PARK AVENUE SECURITIES 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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