COST — COSTCO WHSL CORP NEW

Ownership history in Armstrong, Fleming & Moore, Inc  ·  10 quarters on record

AI Ownership Summary

Armstrong, Fleming & Moore, Inc reported COSTCO WHSL CORP NEW (COST) in 10 quarterly 13F filings from 2023 Q3 through 2025 Q4. Peak portfolio weight reached 2.13% in 2025 Q2. The latest visible filing shows COST at 1.22% 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 COST ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Armstrong, Fleming & Moore, Inc's position in COSTCO WHSL CORP NEW, 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

COST was reported at 1.22% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
2.13% in 2025 Q2

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

Time in book
Holding Window
2023 Q3 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.

COST stock page Armstrong, Fleming & Moore, Inc fund profile Armstrong, Fleming & Moore, Inc full holdings
How Armstrong, Fleming & Moore, Inc held COST — position size vs. price
% of Fund (quarterly)    COST price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 3,063 -797 -20.6% 1.22% $2.6M 2026-02-14 (Est.) $1018.48
2025 Q3 REDUCED 3,860 -95 -2.4% 1.71% $3.6M 2025-10-20 $933.51
2025 Q2 ADDED 3,955 +657 +19.9% 2.13% $3.9M 2025-07-23 $937.28
2024 Q4 REDUCED 3,298 -6 -0.2% 1.83% $3.0M 2025-02-05 $1036.05
2024 Q3 ADDED 3,304 +1 +0.0% 1.71% $2.9M 2024-10-16 $880.40
2024 Q2 REDUCED 3,303 -27 -0.8% 1.80% $2.8M 2024-07-23 $844.20
2024 Q1 REDUCED 3,330 -20 -0.6% 1.69% $2.4M 2024-04-23 $714.83
2023 Q4 REDUCED 3,350 -33 -1.0% 1.67% $2.2M 2024-02-06 $703.07
2023 Q3 REDUCED 3,383 -142 -4.0% 1.85% $1.9M 2023-11-03 $541.67
1 older quarter hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding COST

As of 2025 Q4 — sorted by position size

Emerald Advisors, LLC 3Y 75.07% WORLDLY PARTNERS MANAGEMENT, LLC 3Y 45.27% I.G.Y. Ltd 3Y 34.58% STEGINSKY CAPITAL LLC 3Y 7Y 19.21% Norman Fields, Gottscho Capital Management, LLC 3Y 7Y 15.9% Greenbrier Partners Capital Management, LLC 3Y 7Y 12.96% GARRISON BRADFORD & ASSOCIATES INC 3Y 7Y 10.14% Aljian Capital Management, LLC 3Y 7Y 9.59% UNIO CAPITAL LLC 3Y 7Y 9.24% Chapman Investment Management, LLC 3Y 9.17%

FAQ About Armstrong, Fleming & Moore, Inc and COST

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

How long has Armstrong, Fleming & Moore, Inc reported owning COST?

Armstrong, Fleming & Moore, Inc reported COST across 9 quarterly 13F filings, from 2023 Q3 through 2025 Q4.

What was the largest reported COST position in Armstrong, Fleming & Moore, Inc's portfolio?

The largest reported portfolio weight for COST was 2.13% in 2025 Q2.

What is the latest reported COST position on this page?

The most recent filing on this page is 2025 Q4, when Armstrong, Fleming & Moore, Inc reported 3,063 shares, equal to 1.22% of portfolio, with an estimated market value of $2.6M.

What does the chart on this COST ownership page compare?

The chart compares Armstrong, Fleming & Moore, Inc's quarterly COST 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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