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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
+10.3%
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
$25B
AUM Growth
+$2.04B
Cap. Flow
+$116M
Cap. Flow %
0.46%
Top 10 Hldgs %
23.68%
Holding
1,879
New
69
Increased
680
Reduced
748
Closed
78

Top Buys

Rank Stock Value
1
NEOG icon
Neogen
NEOG
+$45.2M
2
PGR icon
Progressive
PGR
+$34.8M
3
TOST icon
Toast
TOST
+$33.8M
4
PWSC
PowerSchool Holdings, Inc.
PWSC
+$33.4M
5
UBER icon
Uber
UBER
+$30.4M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$54.2M
2
LULU icon
lululemon athletica
LULU
+$53.4M
3
PYPL icon
PayPal
PYPL
+$45.8M
4
BAH icon
Booz Allen Hamilton
BAH
+$20.2M
5
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$17.8M

Sector Composition

Rank Sector Weight
1 Technology 24.61%
2 Healthcare 19.42%
3 Financials 11.75%
4 Industrials 11.37%
5 Consumer Discretionary 8.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FXZ icon
1751
First Trust Materials AlphaDEX Fund
FXZ
$390M
$2.93K ﹤0.01%
45
– –
IXC icon
1752
iShares Global Energy ETF
IXC
$2.74B
$2.76K ﹤0.01%
73
+66
+943% +$2.55K
XRLV
1753
DELISTED
Invesco S&P 500 ex-Rate Sensitive Low Volatility ETF
XRLV
$2.61K ﹤0.01%
55
– –
APTX
1754
DELISTED
Aptinyx Inc. Common Stock
APTX
$2.48K ﹤0.01%
19,877
– –
EWN icon
1755
iShares MSCI Netherlands ETF
EWN
$727M
$2.32K ﹤0.01%
+55
New +$2.27K
EINC icon
1756
VanEck Energy Income ETF
EINC
$79.5M
$2.31K ﹤0.01%
38
– –
EWW icon
1757
iShares MSCI Mexico ETF
EWW
$1.9B
$2.26K ﹤0.01%
38
+27
+245% +$1.54K
USDU icon
1758
WisdomTree Bloomberg US Dollar Bullish Fund
USDU
$458M
$2.22K ﹤0.01%
85
-304
-78% -$7.93K
SPXU icon
1759
ProShares UltraPro Short S&P 500
SPXU
$385M
$2.16K ﹤0.01%
8
– –
NORW icon
1760
Global X MSCI Norway ETF
NORW
$87.7M
$2.11K ﹤0.01%
87
– –
FDIQ
1761
Invesco Bloomberg Financial Data Providers ETF
FDIQ
$48.1M
$1.89K ﹤0.01%
41
– –
IAK icon
1762
iShares US Insurance ETF
IAK
$534M
$1.88K ﹤0.01%
22
– –
EWP icon
1763
iShares MSCI Spain ETF
EWP
$2.22B
$1.87K ﹤0.01%
+67
New +$1.8K
MJ icon
1764
Amplify Alternative Harvest ETF
MJ
$111M
$1.84K ﹤0.01%
44
– –
XSLV icon
1765
Invesco S&P SmallCap Low Volatility ETF
XSLV
$249M
$1.78K ﹤0.01%
42
– –
DWX icon
1766
State Street SPDR S&P International Dividend ETF
DWX
$529M
$1.71K ﹤0.01%
50
– –
TQQQ icon
1767
ProShares UltraPro QQQ
TQQQ
$37.4B
$1.7K ﹤0.01%
120
-38
-24% -$433
ISPOW
1768
DELISTED
Inspirato Inc Warrant
ISPOW
$1.5K ﹤0.01%
15,000
– –
MXI icon
1769
iShares Global Materials ETF
MXI
$361M
$1.35K ﹤0.01%
16
– –
PSP icon
1770
Invesco Global Listed Private Equity ETF
PSP
$248M
$1.26K ﹤0.01%
25
– –
FIW icon
1771
First Trust Water ETF
FIW
$1.92B
$764 ﹤0.01%
9
– –
UPRO icon
1772
ProShares UltraPro S&P 500
UPRO
$5.74B
$706 ﹤0.01%
18
– –
PIIIW icon
1773
P3 Health Partners Inc Warrant
PIIIW
$199K
$622 ﹤0.01%
7,765
– –
MOO icon
1774
VanEck Agribusiness ETF
MOO
$974M
$608 ﹤0.01%
+7
New +$618
LABU icon
1775
Direxion Daily S&P Biotech Bull 3X ETF
LABU
$652M
$491 ﹤0.01%
5
– –
69 70
71
72 73

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William Blair & Company's Q1 2023 Portfolio in Review

As of Q1 2023, William Blair & Company held 1,879 positions worth $25B, up 8.9% from $23B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q1 2023 filing shows 69 new, 680 increased, 748 reduced and 78 closed positions. Its largest new stake was Neogen: 2,404,277 shares worth $44.5M. The largest sale was Alphabet (Google) Class C, an estimated $54.2M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, up from 22% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2023 buy was Neogen: 2,404,277 shares worth $44.5M.
  • William Blair & Company added most to Progressive in Q1 2023, an estimated $34.8M increase.
  • William Blair & Company's biggest Q1 2023 reduction was Alphabet (Google) Class C, cutting an estimated $54.2M.
  • William Blair & Company fully exited Coupa Software Incorporated in Q1 2023, selling an estimated $2.65M.
  • William Blair & Company's ten largest holdings make up 24% of its $25B portfolio in Q1 2023.
  • William Blair & Company opened 69 new positions and closed 78 in Q1 2023.
  • William Blair & Company's portfolio value rose 8.9% quarter-over-quarter to $25B.

Based on William Blair & Company's 13F filing for Q1 2023, filed 12 May 2023.