Ownership history in DMC Group, LLC Β· 17 quarters on record
This page tracks every 13F SEC filing in which DMC Group, LLC reported a position in COSTCO WHSL CORP NEW COM (COST). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β sourced directly from SEC EDGAR 13F filings.
π DMC Group, LLC outperformed the S&P 500 by +1.6% annually on this COST position. Timing score: 38% (6/16 decisions correct). Average cost basis: $562.78. Maximum drawdown during holding period: β20.3%.
β
Outperformed SPY on this position by 1.6% ann.
16 quarters analyzed
β οΈ Poor timing β buys often preceded drops, trims preceded rallies.
6 of 16 add/trim decisions correct
Best entry: $451.84 (2022 Q3) Β· Worst: $923.06 (2025 Q3)
πͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.
8 adds Β· 9 trims. Bought during 4 of 5 down-price quarters. π Predominantly trimming β distribution phase.
π Portfolio weight has been declining in recent quarters. Possible distribution phase.
Currently 1.08% of portfolio
β Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ 4 (annualised). Not investment advice.
As of 2025 Q4 β sorted by position size