William Blair & Company
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William Blair & Company’s Sony SONY Stock Holding History

William Blair & Company’s Portfolio SONY Stock Details SONY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2017
Q3 		– Sell
-2,500
Closed -$19K – 1495
2017
Q2 		$19K Buy
+2,500
New +$17.7K ﹤0.01% 1530

Other funds holding SONY

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Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Aristotle Capital Management
Aristotle Capital Management Los Angeles, California $47.8B AUM 13.38% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
MIP
Mondrian Investment Partners London, United Kingdom $6.69B AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

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

William Blair & Company reduced its Sony (SONY) stake by 50% in Q1 2026, selling an estimated $641K and leaving 28,635 shares worth $593K. The position accounts for ﹤0.01% of the portfolio, ranked #1095.

William Blair & Company first reported a position in SONY in Q2 2016 and has held it in 34 quarters since. The position peaked at $1.64M in Q3 2025. 734 funds tracked by Wall St. Rank hold SONY as of Q1 2026.

  • William Blair & Company held 28,635 shares of Sony worth $593K as of Q1 2026.
  • William Blair & Company sold 28,615 Sony shares in Q1 2026, an estimated $641K.
  • Sony made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1095 holding.
  • William Blair & Company first reported a position in Sony in Q2 2016 and has held it in 34 quarters since.
  • William Blair & Company's Sony position peaked at $1.64M in Q3 2025.
  • 734 funds tracked by Wall St. Rank held Sony as of Q1 2026.

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