William Blair & Company
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William Blair & Company’s Super Micro Computer SMCI Stock Holding History

William Blair & Company’s Portfolio SMCI Stock Details SMCI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$267K Buy
11,712
+2,189
+23% +$65.7K ﹤0.01% 1376
2025
Q4 		$279K Sell
9,523
-2,349
-20% -$96.7K ﹤0.01% 1338
2025
Q3 		$569K Sell
11,872
-1,284
-10% -$61.3K ﹤0.01% 1072
2025
Q2 		$645K Sell
13,156
-20
-0.2% -$771 ﹤0.01% 1016
2025
Q1 		$451K Buy
+13,176
New +$500K ﹤0.01% 1115
2024
Q3 		– Sell
-10,330
Closed -$846K – 1869
2024
Q2 		$846K Sell
10,330
-4,410
-30% -$377K ﹤0.01% 935
2024
Q1 		$1.49M Sell
14,740
-9,780
-40% -$717K ﹤0.01% 759
2023
Q4 		$697K Sell
24,520
-3,520
-13% -$97.6K ﹤0.01% 974
2023
Q3 		$769K Buy
+28,040
New +$782K ﹤0.01% 921

Other funds holding SMCI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
DE
Defiance ETFs New York $6.98B AUM

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

William Blair & Company increased its Super Micro Computer (SMCI) stake by 23% in Q1 2026, buying an estimated $65.7K and bringing the position to 11,712 shares worth $267K. The position accounts for ﹤0.01% of the portfolio, ranked #1376.

William Blair & Company first reported a position in SMCI in Q3 2023 and has held it in 9 quarters since. The position peaked at $1.49M in Q1 2024. 707 funds tracked by Wall St. Rank hold SMCI as of Q1 2026.

  • William Blair & Company held 11,712 shares of Super Micro Computer worth $267K as of Q1 2026.
  • William Blair & Company bought 2,189 Super Micro Computer shares in Q1 2026, an estimated $65.7K.
  • Super Micro Computer made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1376 holding.
  • William Blair & Company first reported a position in Super Micro Computer in Q3 2023 and has held it in 9 quarters since.
  • William Blair & Company's Super Micro Computer position peaked at $1.49M in Q1 2024.
  • 707 funds tracked by Wall St. Rank held Super Micro Computer as of Q1 2026.

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