Lee Ainslie's COST Position Overview
Lee Ainslie (via Maverick Capital LTD) currently holds 2,894 shares of Costco Wholesale Corporation (COST) worth $2.5 M, representing 0.03% of the portfolio. First purchased in 2015-Q1, this long-term strategic position has been held for 23 quarters.
Based on 13F filings, Lee Ainslie has maintained a strategic position in COST, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2019, adding 69,938 shares. Largest reduction occurred in Q1 2020, reducing 73,700 shares.
Analysis based on 13F filings available since 2013 Q2
Lee Ainslie's Costco Wholesale Corporation (COST) Holding Value Over Time
Track share changes against reported price movement
Quarterly Costco Wholesale Corporation (COST) Trades by Lee Ainslie
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +2,894 | New Buy | 2,894 | $862.34 |
| Q2 2025 | -11,415 | Sold Out | 0 | $0.00 |
| Q1 2025 | +9,010 | Add 374.64% | 11,415 | $945.78 |
| Q4 2024 | +2,130 | Add 774.55% | 2,405 | $916.27 |
| Q3 2024 | +275 | New Buy | 275 | $886.52 |
| Q2 2024 | -1,557 | Sold Out | 0 | $0.00 |
| Q1 2024 | +1,557 | New Buy | 1,557 | $732.63 |
| Q3 2023 | -10,203 | Sold Out | 0 | $0.00 |
| Q2 2023 | +10,203 | New Buy | 10,203 | $538.38 |
| Q3 2022 | -10,963 | Sold Out | 0 | $0.00 |
| Q2 2022 | +2,462 | Add 28.96% | 10,963 | $479.25 |
| Q1 2022 | +8,501 | New Buy | 8,501 | $575.81 |
| Q4 2020 | -76 | Sold Out | 0 | $0.00 |
| Q3 2020 | +76 | New Buy | 76 | $355.26 |
| Q2 2020 | -12,544 | Sold Out | 0 | $0.00 |
| Q1 2020 | -73,700 | Reduce 85.46% | 12,544 | $285.16 |
| Q4 2019 | +69,938 | Add 428.91% | 86,244 | $293.92 |
| Q3 2019 | +16,306 | New Buy | 16,306 | $288.11 |
| Q1 2016 | -1,610 | Sold Out | 0 | $0.00 |
| Q4 2015 | -150 | Reduce 8.52% | 1,610 | $161.49 |
| Q1 2015 | +1,760 | New Buy | 1,760 | $151.70 |
Lee Ainslie's Costco Wholesale Corporation Investment FAQs
Lee Ainslie first purchased Costco Wholesale Corporation (COST) in Q1 2015, acquiring 1,760 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Lee Ainslie has held Costco Wholesale Corporation (COST) for 23 quarters since Q1 2015.
Lee Ainslie's largest addition to Costco Wholesale Corporation (COST) was in Q4 2019, adding 86,244 shares worth $25.35 M.
According to the latest 13F filing for Q4 2025, Lee Ainslie's firm, Maverick Capital LTD, owns 2,894 shares of Costco Wholesale Corporation (COST), valued at approximately $2.5 M.
As of the Q4 2025 filing, Costco Wholesale Corporation (COST) represents approximately 0.03% of Lee Ainslie's publicly disclosed stock portfolio, making it one of their key holdings.
Lee Ainslie's peak holding in Costco Wholesale Corporation (COST) was 86,244 shares, as reported at the end of Q4 2019.