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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
ACES icon
1676
ALPS Clean Energy ETF
ACES
$124M
$16.5K ﹤0.01%
356
+1
+0.3% +$48
FUBO icon
1677
FuboTV Inc
FUBO
$293M
$16.5K ﹤0.01%
1,139
-33
-3% -$755
HYLS icon
1678
First Trust Exchange-Traded Fund IV First Trust Tactical High Yield ETF
HYLS
$1.64B
$16.4K ﹤0.01%
412
– –
SLYG icon
1679
State Street SPDR S&P 600 Small Cap Growth ETF
SLYG
$5.22B
$16.2K ﹤0.01%
220
+4
+2% +$302
SENS icon
1680
Senseonics Holdings Inc
SENS
$419M
$16.2K ﹤0.01%
1,140
-6
-0.5% -$121
GLCN
1681
DELISTED
VanEck China Growth Leaders ETF
GLCN
$15.9K ﹤0.01%
600
– –
INSG icon
1682
Inseego
INSG
$82.6M
$15.1K ﹤0.01%
2,600
-1,550
-37% -$13.8K
CELL
1683
DELISTED
PhenomeX Inc. Common Stock
CELL
$15.1K ﹤0.01%
13,000
-55
-0.4% -$101
SLQD icon
1684
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.38B
$15K ﹤0.01%
309
+244
+375% +$11.7K
PSK icon
1685
State Street SPDR ICE Preferred Securities ETF
PSK
$683M
$14.6K ﹤0.01%
430
– –
QLTA icon
1686
iShares AAA-A Rated Corporate Bond ETF
QLTA
$1.21B
$14.5K ﹤0.01%
304
– –
XTL icon
1687
State Street SPDR S&P Telecom ETF
XTL
$558M
$14.5K ﹤0.01%
179
– –
SOCL icon
1688
Global X Social Media ETF
SOCL
$90.3M
$14.2K ﹤0.01%
385
-100
-21% -$3.55K
KXI icon
1689
iShares Global Consumer Staples ETF
KXI
$1.06B
$14.2K ﹤0.01%
229
+105
+85% +$6.29K
RWR icon
1690
State Street SPDR Dow Jones REIT ETF
RWR
$1.87B
$13.4K ﹤0.01%
151
+84
+125% +$7.67K
PXH icon
1691
Invesco FTSE RAFI Emerging Markets ETF
PXH
$1.97B
$13.2K ﹤0.01%
719
-349
-33% -$6.45K
IBDT icon
1692
iShares iBonds Dec 2028 Term Corporate ETF
IBDT
$4.07B
$12.5K ﹤0.01%
500
– –
KBWB icon
1693
Invesco KBW Bank ETF
KBWB
$6.85B
$12.2K ﹤0.01%
291
-512
-64% -$26.8K
CUT icon
1694
Invesco MSCI Global Timber ETF
CUT
$33.4M
$11.9K ﹤0.01%
400
– –
PAUG icon
1695
Innovator US Equity Power Buffer ETF August
PAUG
$935M
$11.8K ﹤0.01%
400
-450
-53% -$13.1K
CZA icon
1696
Invesco Zacks Mid-Cap ETF
CZA
$192M
$11.8K ﹤0.01%
135
– –
ASTR
1697
DELISTED
Astra Space, Inc. Class A Common Stock
ASTR
$11.8K ﹤0.01%
1,843
– –
XRT icon
1698
State Street SPDR S&P Retail ETF
XRT
$639M
$11.5K ﹤0.01%
+181
New +$11.9K
HEZU icon
1699
iShares Currency Hedged MSCI Eurozone ETF
HEZU
$590M
$11.4K ﹤0.01%
+362
New +$11.1K
CHGG icon
1700
Chegg
CHGG
$88.9M
$10.9K ﹤0.01%
670
-39
-6% -$729
66 67
68
69 70

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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.