William Blair & Company
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William Blair & Company’s Capital One COF Stock Holding History

William Blair & Company’s Portfolio COF Stock Details COF Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2017
Q3 		– Sell
-14,700
Closed -$1.22M – 1394
2017
Q2 		$1.22M Buy
+14,700
New +$1.19M 0.01% 698

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Fidelity Investments
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VPM
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Harris Associates
Harris Associates Chicago, Illinois $75B AUM 11.27% 1-Year Est. Return

William Blair & Company's COF Position: Q1 2026 in Review

William Blair & Company reduced its Capital One (COF) stake by 6.6% in Q1 2026, selling an estimated $1.79M and leaving 121,300 shares worth $22.1M. The position accounts for 0.06% of the portfolio, ranked #231.

William Blair & Company first reported a position in COF in Q2 2013 and has held it in 52 quarters since. The position peaked at $31.5M in Q4 2025. 2,065 funds tracked by Wall St. Rank hold COF as of Q1 2026.

  • William Blair & Company held 121,300 shares of Capital One worth $22.1M as of Q1 2026.
  • William Blair & Company sold 8,542 Capital One shares in Q1 2026, an estimated $1.79M.
  • Capital One made up 0.06% of William Blair & Company's portfolio in Q1 2026, its #231 holding.
  • William Blair & Company first reported a position in Capital One in Q2 2013 and has held it in 52 quarters since.
  • William Blair & Company's Capital One position peaked at $31.5M in Q4 2025.
  • 2,065 funds tracked by Wall St. Rank held Capital One as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.