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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
-16.93%
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
$22.5B
AUM Growth
-$5.99B
Cap. Flow
-$554M
Cap. Flow %
-2.46%
Top 10 Hldgs %
23.5%
Holding
1,977
New
67
Increased
648
Reduced
822
Closed
114

Top Buys

Rank Stock Value
1
CSGP icon
CoStar Group
CSGP
+$27.5M
2
EW icon
Edwards Lifesciences
EW
+$22.7M
3
AIZ icon
Assurant
AIZ
+$22M
4
NOW icon
ServiceNow
NOW
+$21.5M
5
TEAM icon
Atlassian
TEAM
+$19.1M

Top Sells

Rank Stock Value
1
ABNB icon
Airbnb
ABNB
+$51.2M
2
SBUX icon
Starbucks
SBUX
+$49M
3
ECL icon
Ecolab
ECL
+$45.7M
4
SWCH
Switch, Inc. Class A Common Stock
SWCH
+$40.4M
5
ANET icon
Arista Networks
ANET
+$35.1M

Sector Composition

Rank Sector Weight
1 Technology 23.69%
2 Healthcare 19.4%
3 Financials 11.86%
4 Industrials 10.9%
5 Consumer Discretionary 8.96%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LSXMA
1676
DELISTED
Liberty Media Corporation Series A Liberty SiriusXM Common Stock
LSXMA
$26K ﹤0.01%
987
-1,250
-56% -$37.4K
EMAN
1677
DELISTED
eMagin Corporation
EMAN
$26K ﹤0.01%
40,100
– –
EUSA icon
1678
iShares MSCI USA Equal Weighted ETF
EUSA
$1.94B
$25K ﹤0.01%
+359
New +$27.7K
GEF.B icon
1679
Greif Class B
GEF.B
$4.24B
$25K ﹤0.01%
400
– –
EEMS icon
1680
iShares MSCI Emerging Markets Small-Cap ETF
EEMS
$379M
$24K ﹤0.01%
500
– –
COHR icon
1681
Coherent
COHR
$69.6B
$23K ﹤0.01%
450
+128
+40% +$7.8K
FCVT icon
1682
First Trust SSI Strategic Convertible Securities ETF
FCVT
$103M
$23K ﹤0.01%
743
– –
ISCG icon
1683
iShares Morningstar Small-Cap Growth ETF
ISCG
$1.02B
$23K ﹤0.01%
660
– –
IXP icon
1684
iShares Global Comm Services ETF
IXP
$561M
$23K ﹤0.01%
380
– –
MLPA icon
1685
Global X MLP ETF
MLPA
$2.29B
$23K ﹤0.01%
634
+254
+67% +$10.3K
OTLK icon
1686
Outlook Therapeutics
OTLK
$206M
$23K ﹤0.01%
1,150
– –
PAUG icon
1687
Innovator US Equity Power Buffer ETF August
PAUG
$935M
$23K ﹤0.01%
+800
New +$23.2K
PAYS icon
1688
Paysign
PAYS
$723M
$23K ﹤0.01%
15,120
– –
PBE icon
1689
Invesco Biotechnology & Genome ETF
PBE
$358M
$23K ﹤0.01%
400
– –
SENS icon
1690
Senseonics Holdings Inc
SENS
$419M
$23K ﹤0.01%
1,140
– –
SPIB icon
1691
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
SPIB
$11.5B
$23K ﹤0.01%
705
-1,156
-62% -$38.2K
SIEN
1692
DELISTED
Sientra, Inc.
SIEN
$23K ﹤0.01%
2,725
-5,040
-65% -$68.7K
AOA icon
1693
iShares Core 80/20 Aggressive Allocation ETF
AOA
$3.28B
$22K ﹤0.01%
373
-252
-40% -$16K
NEAR icon
1694
iShares Short Maturity Bond ETF
NEAR
$4.88B
$22K ﹤0.01%
443
– –
STZ.B
1695
DELISTED
CONSTELLATION BRANDS, INC. CLASS B
STZ.B
$22K ﹤0.01%
75
– –
GII icon
1696
State Street SPDR S&P Global Infrastructure ETF
GII
$932M
$21K ﹤0.01%
390
– –
MORT icon
1697
VanEck Mortgage REIT Income ETF
MORT
$373M
$21K ﹤0.01%
1,500
– –
PEY icon
1698
Invesco High Yield Equity Dividend Achievers ETF
PEY
$1.16B
$21K ﹤0.01%
+1,000
New +$21.4K
PXF icon
1699
Invesco FTSE RAFI Developed Markets ex-US ETF
PXF
$2.97B
$21K ﹤0.01%
521
– –
PHAS
1700
DELISTED
PhaseBio Pharmaceuticals, Inc. Common Stock
PHAS
$21K ﹤0.01%
35,696
– –
66 67
68
69 70

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William Blair & Company's Q2 2022 Portfolio in Review

As of Q2 2022, William Blair & Company held 1,977 positions worth $22.5B, down 21% from $28.5B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q2 2022 filing shows 67 new, 648 increased, 822 reduced and 114 closed positions. Its largest new stake was Warner Bros: 144,520 shares worth $1.94M. The largest sale was Airbnb, an estimated $51.2M.

By sector, the portfolio is most concentrated in Technology at 24% of assets, down from 25% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2022 buy was Warner Bros: 144,520 shares worth $1.94M.
  • William Blair & Company added most to CoStar Group in Q2 2022, an estimated $27.5M increase.
  • William Blair & Company's biggest Q2 2022 reduction was Airbnb, cutting an estimated $51.2M.
  • William Blair & Company fully exited Datto Holding Corp. in Q2 2022, selling an estimated $11M.
  • William Blair & Company's ten largest holdings make up 23% of its $22.5B portfolio in Q2 2022.
  • William Blair & Company opened 67 new positions and closed 114 in Q2 2022.
  • William Blair & Company's portfolio value fell 21% quarter-over-quarter to $22.5B.

Based on William Blair & Company's 13F filing for Q2 2022, filed 10 Aug 2022.