William Blair Investment Management, LLC Portfolio Holdings

William Blair Investment Management, LLC

  • $32.7 Billion
  • Q1 2025

William Blair Investment Management, LLC has filed its 13F form on May 09, 2025 for Q1 2025 where it was disclosed a total value porftolio of $32.7 Billion distributed in 423 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Microsoft Corp with a value of $1.55B, Nvidia Corp with a value of $1.32B, Taiwan Semiconductor Manufacturing CO LTD with a value of $1.22B, Amazon Com Inc with a value of $1.16B, and Apple Inc. with a value of $1.16B.

Examining the 13F form we can see an decrease of $5.53B in the current position value, from $38.3B to 32.7B.

William Blair Investment Management, LLC is based out at Chicago, IL

Below you can find more details about William Blair Investment Management, LLC portfolio as well as his latest detailed transactions.

Portfolio value $32.7 Billion
Technology: $11 Billion
Consumer Cyclical: $5.48 Billion
Financial Services: $4.09 Billion
Healthcare: $3.98 Billion
Industrials: $3.2 Billion
Communication Services: $1.57 Billion
Consumer Defensive: $1.36 Billion
Real Estate: $638 Million
Other: $1.35 Billion

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$1.31B
$28.1 Million 0.09% of portfolio
88,436
Q1 2025 Added 4.28%
$3.93B
$30.9 Million 0.09% of portfolio
455,773
Q1 2025 Reduced 4.37%
$1.84B
$30.2 Million 0.09% of portfolio
1,209,644
Q1 2025 Reduced 31.83%
$6.09B
$30.1 Million 0.09% of portfolio
655,058
Q1 2025 Reduced 4.39%
$1.72B
$28.1 Million 0.09% of portfolio
510,715
Q1 2025 Reduced 4.71%
$5.16B
$29.8 Million 0.09% of portfolio
836,128
Q1 2025 Reduced 19.43%
$1.2B
$29.7 Million 0.09% of portfolio
799,373
Q1 2025 Reduced 4.38%
$1.76B
$30.6 Million 0.09% of portfolio
762,112
Q1 2025 Reduced 4.42%
$4.87B
$30.8 Million 0.09% of portfolio
193,713
Q1 2025 Reduced 25.13%
$686M
$27.1 Million 0.08% of portfolio
1,903,388
Q1 2025 Added 29.55%
$65B
$24.7 Million 0.08% of portfolio
71,667
Q1 2025 Added 36.19%
$3.81B
$27.1 Million 0.08% of portfolio
425,975
Q1 2025 Reduced 4.55%
$7.76B
$24.9 Million 0.08% of portfolio
1,004,451
Q1 2025 Reduced 26.4%
$4.35B
$25.1 Million 0.08% of portfolio
1,731,391
Q1 2025 Reduced 43.07%
$1.7B
$26.9 Million 0.08% of portfolio
1,772,951
Q1 2025 Reduced 20.38%
$1.39B
$26.3 Million 0.08% of portfolio
841,817
Q1 2025 Reduced 4.16%
$1.99B
$26.3 Million 0.08% of portfolio
798,240
Q1 2025 Added 12.68%
$2.3B
$25.8 Million 0.08% of portfolio
597,726
Q1 2025 Added 25.5%
$5.98B
$27 Million 0.08% of portfolio
528,838
Q1 2025 Reduced 4.04%
$1.68B
$25.5 Million 0.08% of portfolio
726,949
Q1 2025 New
$5.53B
$27.3 Million 0.08% of portfolio
272,022
Q1 2025 Reduced 4.77%
$1.93B
$25.4 Million 0.08% of portfolio
888,770
Q1 2025 Reduced 4.41%
$4.46B
$27.6 Million 0.08% of portfolio
365,830
Q1 2025 Reduced 35.86%
$3.79B
$26.8 Million 0.08% of portfolio
512,254
Q1 2025 Added 4.29%
$141B
$27.1 Million 0.08% of portfolio
382,162
Q1 2025 Added 6.19%
$620M
$25.2 Million 0.08% of portfolio
1,978,372
Q1 2025 Added 167.54%
$4.52B
$26.7 Million 0.08% of portfolio
291,661
Q1 2025 New
$1.53B
$25.2 Million 0.08% of portfolio
768,425
Q1 2025 Reduced 4.61%
$3.89B
$26 Million 0.08% of portfolio
228,339
Q1 2025 Reduced 2.3%
$2.87B
$27.5 Million 0.08% of portfolio
1,427,913
Q1 2025 Reduced 4.42%
$610M
$25.4 Million 0.08% of portfolio
287,233
Q1 2025 Added 4.0%
$969M
$26.8 Million 0.08% of portfolio
2,700,689
Q1 2025 Reduced 3.88%
$13.5B
$25.5 Million 0.08% of portfolio
178,264
Q1 2025 Reduced 2.48%
$2.01B
$26.6 Million 0.08% of portfolio
1,247,861
Q1 2025 Reduced 4.99%
$1.74B
$24.7 Million 0.08% of portfolio
1,471,732
Q1 2025 Reduced 18.33%
$6.39B
$25.9 Million 0.08% of portfolio
853,461
Q1 2025 New
$942M
$27.4 Million 0.08% of portfolio
2,553,609
Q1 2025 Added 61.94%
$710M
$27.4 Million 0.08% of portfolio
3,139,103
Q1 2025 Reduced 32.45%
$2.33B
$27.1 Million 0.08% of portfolio
2,049,582
Q1 2025 Reduced 4.29%
$1.19B
$27.8 Million 0.08% of portfolio
3,556,411
Q1 2025 Reduced 4.41%
$1.48B
$24 Million 0.07% of portfolio
786,841
Q1 2025 Reduced 17.69%
$18.8B
$24.1 Million 0.07% of portfolio
145,419
Q1 2025 Reduced 32.48%
$886M
$21.5 Million 0.07% of portfolio
1,125,959
Q1 2025 Added 5.86%
$24.5B
$24 Million 0.07% of portfolio
234,853
Q1 2025 Reduced 17.63%
$1.2B
$21.5 Million 0.07% of portfolio
3,461,316
Q1 2025 Reduced 3.89%
$7.25B
$23.6 Million 0.07% of portfolio
482,649
Q1 2025 Reduced 45.53%
$2.03B
$21.8 Million 0.07% of portfolio
2,524,248
Q1 2025 Added 4.12%
$895M
$24.5 Million 0.07% of portfolio
1,333,883
Q1 2025 Added 7.87%
$4.07B
$22.1 Million 0.07% of portfolio
471,044
Q1 2025 Added 8.52%

Summary

  • Portfolio
  • No. of Stocks 423
  • Current Value $32.7 Billion
  • Prior Value $38.3 Billion
  • Filing
  • Period Q1 2025
  • Filing Date May 09, 2025
  • Form Type 13F-HR
  • Activity in Q1 2025
  • New Purchases 36 stocks
  • Additional Purchases 114 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 269 stocks
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