William Blair & Company
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William Blair & Company’s IBM IBM Stock Holding History

William Blair & Company’s Portfolio IBM Stock Details IBM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2017
Q1 		– Sell
-105
Closed -$16K – 1478
2016
Q4 		$16K Buy
+105
New +$16K ﹤0.01% 1324

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State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

William Blair & Company's IBM Position: Q2 2026 in Review

William Blair & Company reduced its IBM (IBM) stake by 6.3% in Q2 2026, selling an estimated $8.18M and leaving 486,008 shares worth $137M. The position accounts for 0.36% of the portfolio, ranked #60.

William Blair & Company first reported a position in IBM in Q2 2013 and has held it in 53 quarters since. The position peaked at $140M in Q2 2025. 3,636 funds tracked by Wall St. Rank hold IBM as of Q2 2026.

  • William Blair & Company held 486,008 shares of IBM worth $137M as of Q2 2026.
  • William Blair & Company sold 32,449 IBM shares in Q2 2026, an estimated $8.18M.
  • IBM made up 0.36% of William Blair & Company's portfolio in Q2 2026, its #60 holding.
  • William Blair & Company first reported a position in IBM in Q2 2013 and has held it in 53 quarters since.
  • William Blair & Company's IBM position peaked at $140M in Q2 2025.
  • 3,636 funds tracked by Wall St. Rank held IBM as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.