ProShare Advisors LLC Initiates New Position in Costco Wholesale Corporation (COST)
ProShare Advisors LLC, a registered investment adviser, initiated a new position in Costco Wholesale Corporation (NASDAQ:COST) during Q3 2026, according to its most recent 13F…
Costco Wholesale Corporation (NASDAQ:COST) · new position
Institution
ProShare Advisors LLC
Institution type
investment_adviser
Reporting period
Q3 2026
Shares
497,314
Position value
$452.7M
Position change
100%
At a glance
Key takeaways
01ProShare Advisors LLC purchased 497,314 Costco shares valued at $452.7 million in Q3 2026.
02Costco stock trades at $988.22 with a $392.0 billion market capitalization.
03Large institutional positions can signal conviction in a company but may have changed since the quarterly filing date.
0413F filings should be analyzed alongside insider transactions, analyst ratings, and fundamental trends for complete context.
Filing Details
ProShare Advisors LLC, a registered investment adviser, initiated a new position in Costco Wholesale Corporation (NASDAQ:COST) during Q3 2026, according to its most recent 13F filing with the Securities and Exchange Commission.
The institutional investor purchased 497,314 shares of the Consumer Defensive company, valued at approximately $452.7M as of the filing date.
Market Context
Costco Wholesale Corporation's stock currently trades at $988.22 with a market capitalization of $392.0B.
A new institutional position can signal growing confidence in a company's prospects. When large asset managers like ProShare Advisors LLC establish stakes, it often reflects months of due diligence and a conviction that the stock is undervalued or poised for growth. Retail investors often track 13F filings to identify stocks that institutional money is moving into.
Costco Wholesale Corporation operates in the Consumer Defensive sector, where institutional ownership patterns can provide insight into how professional investors view the industry's near-term prospects.
The size of this position — $452.7 million — places it among the more significant institutional holdings in Costco Wholesale Corporation. Large positions like this can influence trading dynamics and are closely watched by market participants tracking smart money flows.
Investors should note that 13F filings reflect holdings as of the end of the reporting quarter and are filed up to 45 days later. The position may have changed since the filing date. 13F data is most useful when analyzed alongside other signals such as insider transactions, analyst ratings, and fundamental trends.
A 13F filing is a quarterly SEC report required for institutional managers with over $100 million in assets. It discloses equity holdings, providing transparency into how firms like ProShare Advisors LLC position their portfolios.