This article first appeared on GuruFocus .
Thirty-one ETFs were buying Costco ( COST ) shares on Thursday, Oct. 29, versus 24 selling, yet the sellers traded in larger amounts, leaving a net outflow of $75.6 million. The move snapped a two-day run of net buying that totaled $94.1 million on Oct. 28 and $25.3 million on Oct. 27. ETF activity had been mixed before that, with net selling of $96.9 million on Oct. 26 and $48.4 million on Oct. 23. The selling streak now stands at one day.
Every ETF and guru trade in COST is tracked on the COST guru trades page .
Which ETFs sold COST on Thursday?
The largest sellers by dollar value were QQQ ($43.8 million), AVLV ($15.5 million) and SPY ($13.5 million). In all, 31 ETFs added shares and 24 cut them.
| ETF |
Shares changed |
Value |
Weight in ETF |
|---|---|---|---|
| -43,968 |
-$43.8M |
1.92% |
|
| -15,538 |
-$15.5M |
2.20% |
|
| -13,568 |
-$13.5M |
0.67% |
|
| -8,500 |
-$8.5M |
1.92% |
|
| -3,855 |
-$3.8M |
0.66% |
|
| -522 |
-$0.5M |
1.44% |
|
| -508 |
-$0.5M |
0.66% |
|
| -400 |
-$0.4M |
0.22% |
Invesco QQQ Trust ( QQQ ) accounted for the largest share of the move, cutting 43,968 shares worth $43.8 million, a 0.47% reduction in its stake at a 1.92% portfolio weight. American Century STOXX U.S. Quality Value ETF ( AVLV ) trimmed 15,538 shares for $15.5 million, and SPDR S&P 500 ETF Trust ( SPY ) sold 13,568 shares valued at $13.5 million. ProShares Ultra QQQ ( QLD ) reduced its position by 8,500 shares, or $8.5 million, while iShares Core S&P 500 ETF ( IVV ) shed 3,855 shares worth $3.8 million. Costco operates in the Consumer Defensive sector's Discount Stores industry and carries a market cap of $448.6 billion.
Have ETFs been buying or selling COST lately?
Over the last 5 reported days, ETFs were net buyers on 2 and net sellers on 3, so the recent trend is mostly selling.
| Date |
Net value |
Buying |
Selling |
|---|---|---|---|
| Oct. 29 |
-$75.6M |
31 |
24 |
| Oct. 28 |
$94.1M |
33 |
12 |
| Oct. 27 |
$25.3M |
35 |
13 |
| Oct. 26 |
-$96.9M |
20 |
16 |
| Oct. 23 |
-$48.4M |
32 |
14 |
What does COST do?
Costco Wholesale operates membership warehouses based on the concept that offering low prices on a limited selection of nationally-branded and private-label products across a wide range of categories produces high sales volumes and rapid inventory turnover.
Costco reported trailing-12-month revenue of $303.15 billion, up 10.2% over the past year, with gross margin of 12.8% and net margin of 3.0%. The stock trades at a P/E of 48.76, P/B of 12.53 and P/S of 1.48. Its GF Score is 95, and the GF Value of $1,057.28 sits above the price of $1,012.28. The dividend yield is 0.57%, and the shares have returned 18.08% year to date.
COST at a glance
| Measure |
Value |
|---|---|
| Price |
$1,012.28 |
| Market cap |
$448.60B |
| Revenue (trailing 12 months) |
$303.15B |
| Revenue growth (1 year) |
+10.2% |
| Gross margin |
12.8% |
| Net margin |
3.0% |
| P/E |
48.76 |
| P/B |
12.53 |
| P/S |
1.48 |
| 95/100 |
|
| GF Value |
$1,057.28 |
| Dividend yield |
0.57% |
| Year-to-date return |
+18.08% |
For a closer look, open the COST stock summary , its GF Value chart and insider buying and selling .
What should investors watch next for COST?
Watch whether the one-day net selling extends into a longer streak, given the back-and-forth flows over the past week.
Based on ETF holdings changes reported for Oct. 29, 2026.
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