COST — COSTCO WHOLESALE CORP

Ownership history in Borer Denton & Associates, Inc.  ·  10 quarters on record

AI Ownership Summary

Borer Denton & Associates, Inc. reported COSTCO WHOLESALE CORP (COST) in 10 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 7.84% in 2025 Q2. The latest visible filing shows COST at 6.56% 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 Borer Denton & Associates, Inc.'s position in COSTCO WHOLESALE CORP, 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 6.56% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
7.84% 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 Q4 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 Borer Denton & Associates, Inc. fund profile Borer Denton & Associates, Inc. full holdings
How Borer Denton & Associates, Inc. held COST — position size vs. price
% of Fund (quarterly)    COST price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 22,586 -360 -1.6% 6.56% $19.5M 2026-02-14 (Est.) $1018.48
2025 Q3 ADDED 22,946 +115 +0.5% 7.01% $21.2M 2025-10-16 $923.05
2025 Q2 REDUCED 22,831 -110 -0.5% 7.84% $22.6M 2025-08-14 $972.68
2025 Q1 REDUCED 22,941 -225 -1.0% 7.67% $21.7M 2025-05-15 $1006.27
2024 Q4 REDUCED 23,166 -300 -1.3% 7.38% $21.2M 2025-02-12 $1059.31
2024 Q3 ADDED 23,466 +201 +0.9% 7.10% $20.8M 2024-11-12 $926.27
2024 Q2 REDUCED 23,265 -157 -0.7% 7.18% $19.8M 2024-08-13 $858.02
2024 Q1 ADDED 23,422 +95 +0.4% 6.07% $17.2M 2024-04-25 $715.16
2023 Q4 REDUCED 23,327 -262 -1.1% 5.89% $15.4M 2024-02-14 $714.33
1 older quarter hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding COST

As of 2026 Q1 — sorted by position size

Emerald Advisors, LLC 3Y 76.81% Norman Fields, Gottscho Capital Management, LLC 3Y 7Y 18.84% Cross Staff Investments Inc 3Y 9.39% Capital Investment Counsel, Inc 3Y 7Y 7.76% MOGY JOEL R INVESTMENT COUNSEL INC 3Y 7Y 6.1% McBroom & Associates, LLC 3Y 5.88% Rempart Asset Management Inc. 3Y 5.87% Violich Capital Management, Inc. 3Y 7Y 5.64% HARBOUR INVESTMENT MANAGEMENT LLC 3Y 7Y 5.56% Hoffman, Alan N Investment Management 3Y 5.54%

FAQ About Borer Denton & Associates, 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 Borer Denton & Associates, Inc. reported owning COST?

Borer Denton & Associates, Inc. reported COST across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported COST position in Borer Denton & Associates, Inc.'s portfolio?

The largest reported portfolio weight for COST was 7.84% in 2025 Q2.

What is the latest reported COST position on this page?

The most recent filing on this page is 2025 Q4, when Borer Denton & Associates, Inc. reported 22,586 shares, equal to 6.56% of portfolio, with an estimated market value of $19.5M.

What does the chart on this COST ownership page compare?

The chart compares Borer Denton & Associates, 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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