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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
+1.74%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$32.4B
AUM Growth
+$583M
Cap. Flow
+$654M
Cap. Flow %
2.02%
Top 10 Hldgs %
24.5%
Holding
1,893
New
89
Increased
716
Reduced
748
Closed
71

Top Buys

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$57.9M
2
UBER icon
Uber
UBER
+$55.4M
3
MSFT icon
Microsoft
MSFT
+$52.4M
4
XOM icon
ExxonMobil
XOM
+$44.2M
5
AAON icon
Aaon
AAON
+$42M

Top Sells

Rank Stock Value
1
PWSC
PowerSchool Holdings, Inc.
PWSC
+$70.4M
2
WDAY icon
Workday
WDAY
+$67.8M
3
PXD
Pioneer Natural Resource Co.
PXD
+$40M
4
DXCM icon
DexCom
DXCM
+$29.5M
5
SBUX icon
Starbucks
SBUX
+$29.4M

Sector Composition

Rank Sector Weight
1 Technology 27.24%
2 Healthcare 15.67%
3 Financials 12.01%
4 Industrials 11.46%
5 Consumer Discretionary 8.16%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SPEU icon
1851
State Street SPDR Portfolio Europe ETF
SPEU
$742M
– –
-365
Closed -$15.4K
SPHB icon
1852
Invesco S&P 500 High Beta ETF
SPHB
$946M
– –
-196
Closed -$17.2K
SRLN icon
1853
State Street Blackstone Senior Loan ETF
SRLN
$5.36B
– –
-2,472
Closed -$104K
STEM icon
1854
Stem
STEM
$51.8M
– –
-507
Closed -$22.2K
STM icon
1855
STMicroelectronics
STM
$49.2B
– –
-5,840
Closed -$253K
TIPX icon
1856
State Street SPDR Bloomberg 1-10 Year TIPS ETF
TIPX
$2.04B
– –
-407
Closed -$7.59K
TOTL icon
1857
State Street DoubleLine Total Return Tactical ETF
TOTL
$4B
– –
-3,722
Closed -$149K
WDFC icon
1858
WD-40
WDFC
$3.12B
– –
-862
Closed -$218K
ANRO icon
1859
Alto Neuroscience
ANRO
$1.14B
– –
-10,000
Closed -$154K
FLG
1860
Flagstar Bank National Association
FLG
$5.9B
– –
-59,801
Closed -$578K
PDCO
1861
DELISTED
Patterson Companies, Inc.
PDCO
– –
-9,218
Closed -$255K
WRK
1862
DELISTED
WestRock Company
WRK
– –
-12,888
Closed -$637K
FUSN
1863
DELISTED
Fusion Pharmaceuticals Inc. Common Shares
FUSN
– –
-779,202
Closed -$16.6M
AMJ
1864
DELISTED
JP Morgan Alerian MLP Index ETN 5/24/24
AMJ
– –
-38,151
Closed -$1.09M
PXD
1865
DELISTED
Pioneer Natural Resource Co.
PXD
– –
-152,551
Closed -$40M
71 72 73 74
75

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William Blair & Company's Q2 2024 Portfolio in Review

As of Q2 2024, William Blair & Company held 1,893 positions worth $32.4B, up 1.8% from $31.8B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q2 2024 filing shows 89 new, 716 increased, 748 reduced and 71 closed positions. Its largest new stake was Aaon: 515,063 shares worth $44.9M. The largest sale was PowerSchool Holdings, Inc., an estimated $70.4M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, up from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2024 buy was Aaon: 515,063 shares worth $44.9M.
  • William Blair & Company added most to Apple in Q2 2024, an estimated $57.9M increase.
  • William Blair & Company's biggest Q2 2024 reduction was PowerSchool Holdings, Inc., cutting an estimated $70.4M.
  • William Blair & Company fully exited Pioneer Natural Resource Co. in Q2 2024, selling an estimated $40M.
  • William Blair & Company's ten largest holdings make up 24% of its $32.4B portfolio in Q2 2024.
  • William Blair & Company opened 89 new positions and closed 71 in Q2 2024.
  • William Blair & Company's portfolio value rose 1.8% quarter-over-quarter to $32.4B.

Based on William Blair & Company's 13F filing for Q2 2024, filed 12 Aug 2024.