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

Other funds holding IBM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

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

William Blair & Company increased its IBM (IBM) stake by 10% in Q1 2026, buying an estimated $12.7M and bringing the position to 518,457 shares worth $126M. The position accounts for 0.36% of the portfolio, ranked #63.

William Blair & Company first reported a position in IBM in Q2 2013 and has held it in 52 quarters since. The position peaked at $140M in Q2 2025. 3,466 funds tracked by Wall St. Rank hold IBM as of Q1 2026.

  • William Blair & Company held 518,457 shares of IBM worth $126M as of Q1 2026.
  • William Blair & Company bought 47,010 IBM shares in Q1 2026, an estimated $12.7M.
  • IBM made up 0.36% of William Blair & Company's portfolio in Q1 2026, its #63 holding.
  • William Blair & Company first reported a position in IBM in Q2 2013 and has held it in 52 quarters since.
  • William Blair & Company's IBM position peaked at $140M in Q2 2025.
  • 3,466 funds tracked by Wall St. Rank held IBM as of Q1 2026.

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