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 Companies Only

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$2.36B
$39.7 Million 0.12% of portfolio
622,641
Q1 2025 Reduced 1.88%
$3.98B
$38.9 Million 0.12% of portfolio
726,404
Q1 2025 Added 45.28%
$2.85B
$39.3 Million 0.12% of portfolio
2,395,294
Q1 2025 Reduced 4.4%
$748B
$37.8 Million 0.12% of portfolio
45,822
Q1 2025 Added 1.03%
$15.1B
$38 Million 0.12% of portfolio
422,973
Q1 2025 Reduced 13.75%
$962M
$39.1 Million 0.12% of portfolio
17,169,011
Q1 2025 Reduced 8.4%
$78.9B
$35.5 Million 0.11% of portfolio
1,943,985
Q1 2025 Added 13.45%
$2.87B
$35.3 Million 0.11% of portfolio
245,846
Q1 2025 Reduced 4.33%
$893M
$34.7 Million 0.11% of portfolio
2,443,677
Q1 2025 Reduced 4.42%
$2.12B
$35.7 Million 0.11% of portfolio
663,646
Q1 2025 Reduced 4.42%
$1.79B
$36.1 Million 0.11% of portfolio
1,401,249
Q1 2025 Added 20.78%
$941M
$35.6 Million 0.11% of portfolio
1,904,445
Q1 2025 Reduced 4.42%
$5.74B
$35.5 Million 0.11% of portfolio
363,767
Q1 2025 Reduced 4.35%
$5.89B
$36.3 Million 0.11% of portfolio
898,497
Q1 2025 Reduced 60.77%
$4.87B
$36.3 Million 0.11% of portfolio
1,624,158
Q1 2025 Reduced 4.59%
$5.25B
$35.3 Million 0.11% of portfolio
673,097
Q1 2025 Added 13.16%
$3.45B
$34.7 Million 0.11% of portfolio
1,088,280
Q1 2025 Reduced 4.42%
$1.09B
$34.6 Million 0.11% of portfolio
847,389
Q1 2025 Added 4.25%
$6.43B
$36.9 Million 0.11% of portfolio
764,644
Q1 2025 Reduced 4.36%
$4.01B
$36.1 Million 0.11% of portfolio
286,849
Q1 2025 Added 54.26%
$2.6B
$35.3 Million 0.11% of portfolio
1,897,328
Q1 2025 Reduced 36.17%
$3.23B
$37.1 Million 0.11% of portfolio
782,810
Q1 2025 Reduced 4.4%
$1.13B
$35.4 Million 0.11% of portfolio
528,276
Q1 2025 Added 8.86%
$1.55B
$32.8 Million 0.1% of portfolio
1,849,985
Q1 2025 Reduced 4.39%
$6.74B
$33.6 Million 0.1% of portfolio
859,192
Q1 2025 Added 24.06%
$947M
$31.3 Million 0.1% of portfolio
1,122,318
Q1 2025 Added 30.86%
$2.06B
$31.8 Million 0.1% of portfolio
526,392
Q1 2025 Reduced 23.24%
$6.08B
$32.3 Million 0.1% of portfolio
1,492,912
Q1 2025 New
$2.44B
$31.7 Million 0.1% of portfolio
784,461
Q1 2025 Reduced 4.41%
$437M
$32.5 Million 0.1% of portfolio
5,514,799
Q1 2025 Added 12.58%
$4.46B
$33.5 Million 0.1% of portfolio
422,339
Q1 2025 Added 141.48%
$465M
$33.4 Million 0.1% of portfolio
1,786,331
Q1 2025 Reduced 4.3%
$2.48B
$32.7 Million 0.1% of portfolio
1,050,810
Q1 2025 Added 9.52%
$2.14B
$33.6 Million 0.1% of portfolio
989,575
Q1 2025 Reduced 4.35%
$7.68B
$32.7 Million 0.1% of portfolio
232,113
Q1 2025 Reduced 4.69%
$9.58B
$33.4 Million 0.1% of portfolio
71,047
Q1 2025 Added 1.78%
$2.33B
$33.2 Million 0.1% of portfolio
3,833,696
Q1 2025 Reduced 4.4%
$3.21B
$31.6 Million 0.1% of portfolio
446,897
Q1 2025 Reduced 4.42%
$5.22B
$31.6 Million 0.1% of portfolio
656,322
Q1 2025 Reduced 10.53%
$4.35B
$33.9 Million 0.1% of portfolio
497,708
Q1 2025 Reduced 4.0%
$2.3B
$32.1 Million 0.1% of portfolio
2,020,778
Q1 2025 New
$9.06B
$30.2 Million 0.09% of portfolio
285,139
Q1 2025 Reduced 4.38%
$1.06B
$29.1 Million 0.09% of portfolio
1,140,425
Q1 2025 Reduced 4.4%
$4.18B
$29.2 Million 0.09% of portfolio
912,259
Q1 2025 Added 4.09%
$5.98B
$28.3 Million 0.09% of portfolio
371,831
Q1 2025 Reduced 4.41%
$1.32B
$28.2 Million 0.09% of portfolio
3,923,550
Q1 2025 Added 47.79%
$3.03B
$30.3 Million 0.09% of portfolio
524,278
Q1 2025 Reduced 5.03%
$1.72B
$28.5 Million 0.09% of portfolio
729,163
Q1 2025 Reduced 27.05%
$74.1B
$29.8 Million 0.09% of portfolio
181,061
Q1 2025 Reduced 20.81%

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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