13F data — long US equity only · ~45-day lag from quarter-end · positions may have changed since · not investment advice
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1

COST

Costco Wholesale Corporation · Consumer Discretionary

Consensus score 1/100 · #227 this quarter · tier-weighted across tracked managers

DivergingPrice action since filingas of 2026-06-05
vs 50-day avg
-3.4%
21-day momentum
-2.4%
recent volume
1.65×

13F filings lag ~45 days; this is current price/volume action on top — a technical read, not a prediction.

S3· ToppingStage Analysis · Weinstein
vs 30-wk avg
+1.0%
30-wk MA slope
+1.2%
rel. strength
-5.9
52-wk range
51%

Topping — momentum stalling at the highs; distribution risk. Based on the 30-week (150-day) moving average + slope, Mansfield relative strength vs SPY, and volume. Technical read, not advice.

Holders
5
tracked managers
New this Q
1
opened a position
Avg weight
0.6%
of their portfolios
Combined value
$108M
held, at quarter-end

Who’s holding it Q1 2026, by position size

ManagerPosition sizeChange
Hosking Partners
Concentrated
2.2%
TRIM
Semper Augustus
Concentrated
0.4%
TRIM
Markel Group
Concentrated
0.3%
HOLD
Gardner Russo & Quinn
Graham/global value
0.1%
HOLD
Horizon Kinetics
Franchise/inflation
0.0%
NEW

Position size = share of that manager’s reported long US-equity portfolio. The consensus score weights each holder by quality tier, position size, and whether they were buying or trimming — then discounts very crowded names. It measures agreement among these managers, not expected return.