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 Market Cap. of $200 Billions or more

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$3.75T
$1.55 Billion 4.73% of portfolio
4,127,203
Q1 2025 Reduced 6.86%
$406B
$1.32 Billion 4.04% of portfolio
12,197,638
Q1 2025 Reduced 8.15%
$1.2T
$1.22 Billion 3.73% of portfolio
7,361,683
Q1 2025 Reduced 4.67%
$2.27T
$1.16 Billion 3.56% of portfolio
6,118,131
Q1 2025 Reduced 10.48%
$3.39T
$1.16 Billion 3.55% of portfolio
5,239,398
Q1 2025 Added 2.64%
$1.62T
$906 Million 2.77% of portfolio
1,572,230
Q1 2025 Reduced 5.5%
$539B
$666 Million 2.03% of portfolio
1,215,314
Q1 2025 Reduced 15.39%
$217B
$353 Million 1.08% of portfolio
575,615
Q1 2025 Reduced 1.37%
$435B
$334 Million 1.02% of portfolio
353,579
Q1 2025 Added 4.86%
$283B
$327 Million 1.0% of portfolio
625,021
Q1 2025 Reduced 5.7%
$271B
$291 Million 0.89% of portfolio
1,083,678
Q1 2025 Reduced 8.0%
$205B
$292 Million 0.89% of portfolio
366,852
Q1 2025 Reduced 9.23%
$1.07T
$96.1 Million 0.29% of portfolio
621,388
Q1 2025 Reduced 25.2%
$831B
$48.9 Million 0.15% of portfolio
199,539
Q1 2025 Added 39.57%
$263B
$50.4 Million 0.15% of portfolio
574,624
Q1 2025 Added 29.44%
$748B
$37.8 Million 0.12% of portfolio
45,822
Q1 2025 Added 1.03%
$233B
$9.35 Million 0.03% of portfolio
70,487
Q1 2025 Reduced 32.91%
$223B
$5.74 Million 0.02% of portfolio
55,883
Q1 2025 Reduced 97.36%
$365B
$4.24 Million 0.01% of portfolio
15,798
Q1 2025 Reduced 8.61%
$318B
$2.79 Million 0.01% of portfolio
4,215
Q1 2025 Reduced 9.7%
$219B
$2.07 Million 0.01% of portfolio
28,179
Q1 2025 Reduced 9.61%
$300B
$1.54 Million 0.0% of portfolio
21,515
Q1 2025 New

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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