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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
IFGL icon
1651
iShares International Developed Real Estate ETF
IFGL
$82.2M
$28.2K ﹤0.01%
1,423
– –
LNAI
1652
Lunai Bioworks
LNAI
$10.7M
$28.2K ﹤0.01%
201
– –
IXG icon
1653
iShares Global Financials ETF
IXG
$698M
$27.6K ﹤0.01%
325
-14
-4% -$1.2K
BBUS icon
1654
JPMorgan BetaBuilders US Equity ETF
BBUS
$9.22B
$27.5K ﹤0.01%
280
-330
-54% -$31.2K
IBTF
1655
DELISTED
iShares iBonds Dec 2025 Term Treasury ETF
IBTF
$26.8K ﹤0.01%
+1,153
New +$26.7K
LONA
1656
LeonaBio Inc
LONA
$73.9M
$26.5K ﹤0.01%
1,000
-2,605
-72% -$61.4K
IBTI icon
1657
iShares iBonds Dec 2028 Term Treasury ETF
IBTI
$1.93B
$26.4K ﹤0.01%
+1,210
New +$26.3K
PBE icon
1658
Invesco Biotechnology & Genome ETF
PBE
$358M
$25.9K ﹤0.01%
400
– –
IBDP
1659
DELISTED
iShares iBonds Dec 2024 Term Corporate ETF
IBDP
$25.1K ﹤0.01%
1,000
– –
GEF.B icon
1660
Greif Class B
GEF.B
$4.24B
$25K ﹤0.01%
400
– –
WW
1661
DELISTED
WW International
WW
$25K ﹤0.01%
21,345
-500
-2% -$832
PXF icon
1662
Invesco FTSE RAFI Developed Markets ex-US ETF
PXF
$2.97B
$24.8K ﹤0.01%
510
– –
LUMN icon
1663
Lumen
LUMN
$6.49B
$24.7K ﹤0.01%
22,496
-31,196
-58% -$39.6K
QBTS icon
1664
D-Wave Quantum Inc. Common Stock
QBTS
$7.72B
$24.5K ﹤0.01%
21,500
– –
SPTL icon
1665
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.7B
$24.3K ﹤0.01%
893
-416
-32% -$11.2K
HEWJ icon
1666
iShares Currency Hedged MSCI Japan ETF
HEWJ
$763M
$24K ﹤0.01%
550
– –
EMC icon
1667
Global X Emerging Markets Great Consumer ETF
EMC
$57.1M
$24K ﹤0.01%
887
– –
OVID icon
1668
Ovid Therapeutics
OVID
$489M
$23.9K ﹤0.01%
31,039
+7,100
+30% +$19.8K
BOCT icon
1669
Innovator US Equity Buffer ETF October
BOCT
$290M
$23.4K ﹤0.01%
562
– –
OUSA icon
1670
ALPS O'Shares U.S. Quality Dividend ETF
OUSA
$758M
$22.9K ﹤0.01%
462
+2
+0.4% +$97
FIW icon
1671
First Trust Water ETF
FIW
$1.92B
$22.1K ﹤0.01%
221
+145
+191% +$14.7K
FTXL icon
1672
First Trust Nasdaq Semiconductor ETF
FTXL
$1.36B
$22K ﹤0.01%
220
– –
SGMO
1673
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
$21.5K ﹤0.01%
59,902
-65,000
-52% -$35.1K
AAXJ icon
1674
iShares MSCI All Country Asia ex Japan ETF
AAXJ
$3.83B
$21.3K ﹤0.01%
296
– –
SCHK icon
1675
Schwab 1000 Index ETF
SCHK
$5.94B
$20.9K ﹤0.01%
800
-586
-42% -$14.8K
65 66
67
68 69

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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.