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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
-2.96%
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
$21.8B
AUM Growth
-$767M
Cap. Flow
+$148M
Cap. Flow %
0.68%
Top 10 Hldgs %
23.44%
Holding
1,924
New
62
Increased
766
Reduced
660
Closed
101

Top Buys

Rank Stock Value
1
WSO icon
Watsco Inc
WSO
+$31.3M
2
TYL icon
Tyler Technologies
TYL
+$24.6M
3
DHR icon
Danaher
DHR
+$22.7M
4
IRTC icon
iRhythm Holdings
IRTC
+$20.9M
5
USFR icon
WisdomTree Floating Rate Treasury Fund
USFR
+$20.8M

Top Sells

Rank Stock Value
1
TEAM icon
Atlassian
TEAM
+$77.8M
2
TREX icon
Trex
TREX
+$39.7M
3
DOCU
DocuSign
DOCU
+$17.2M
4
AKAM icon
Akamai
AKAM
+$16.6M
5
GLD icon
SPDR Gold Trust
GLD
+$13.1M

Sector Composition

Rank Sector Weight
1 Technology 23.15%
2 Healthcare 19.33%
3 Financials 11.9%
4 Industrials 11.25%
5 Consumer Discretionary 9.33%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
OIH icon
1726
VanEck Oil Services ETF
OIH
$1.96B
$8K ﹤0.01%
39
-914
-96% -$209K
PZA icon
1727
Invesco National AMT-Free Municipal Bond ETF
PZA
$4.27B
$8K ﹤0.01%
377
– –
XHS icon
1728
State Street SPDR S&P Health Care Services ETF
XHS
$207M
$8K ﹤0.01%
92
+32
+53% +$3K
COLIW
1729
DELISTED
Colicity Inc. Warrant
COLIW
$8K ﹤0.01%
165,150
– –
ELD icon
1730
WisdomTree Emerging Markets Local Debt Fund
ELD
$143M
$7K ﹤0.01%
269
+1
+0.4% +$26
EWQ icon
1731
iShares MSCI France ETF
EWQ
$333M
$7K ﹤0.01%
247
– –
FXN icon
1732
First Trust Energy AlphaDEX Fund
FXN
$388M
$7K ﹤0.01%
419
– –
LBRDA icon
1733
Liberty Broadband Class A
LBRDA
$5.07B
$7K ﹤0.01%
91
-8
-8% -$846
SQQQ icon
1734
ProShares UltraPro Short QQQ
SQQQ
$1.73B
$7K ﹤0.01%
4
+1
+33% +$1.14K
TIPX icon
1735
State Street SPDR Bloomberg 1-10 Year TIPS ETF
TIPX
$2.04B
$7K ﹤0.01%
400
-138
-26% -$2.67K
APTX
1736
DELISTED
Aptinyx Inc. Common Stock
APTX
$7K ﹤0.01%
19,877
– –
DSTL icon
1737
Distillate US Fundamental Stability & Value ETF
DSTL
$2.05B
$6K ﹤0.01%
170
+60
+55% +$2.45K
PCEF icon
1738
Invesco CEF Income Composite ETF
PCEF
$818M
$6K ﹤0.01%
370
– –
PIIIW icon
1739
P3 Health Partners Inc Warrant
PIIIW
$199K
$6K ﹤0.01%
7,765
– –
QDF icon
1740
FlexShares Quality Dividend Index Fund
QDF
$2.28B
$6K ﹤0.01%
124
– –
RWR icon
1741
State Street SPDR Dow Jones REIT ETF
RWR
$1.87B
$6K ﹤0.01%
67
-2,081
-97% -$203K
PHAS
1742
DELISTED
PhaseBio Pharmaceuticals, Inc. Common Stock
PHAS
$6K ﹤0.01%
35,696
– –
FCG icon
1743
First Trust Natural Gas ETF
FCG
$645M
$5K ﹤0.01%
200
– –
ISCV icon
1744
iShares Morningstar Small-Cap Value ETF
ISCV
$706M
$5K ﹤0.01%
110
-45
-29% -$2.4K
MJ icon
1745
Amplify Alternative Harvest ETF
MJ
$111M
$5K ﹤0.01%
92
-71
-44% -$4.92K
PFM icon
1746
Invesco Dividend Achievers ETF
PFM
$811M
$5K ﹤0.01%
165
– –
PPA icon
1747
Invesco Aerospace & Defense ETF
PPA
$8.74B
$5K ﹤0.01%
82
+2
+3% +$143
RSPS icon
1748
Invesco S&P 500 Equal Weight Consumer Staples ETF
RSPS
$246M
$5K ﹤0.01%
175
– –
SLVP icon
1749
iShares MSCI Global Silver and Metals Miners ETF
SLVP
$976M
$5K ﹤0.01%
562
– –
LSXMA
1750
DELISTED
Liberty Media Corporation Series A Liberty SiriusXM Common Stock
LSXMA
$5K ﹤0.01%
180
-807
-82% -$23.9K
68 69
70
71 72

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William Blair & Company's Q3 2022 Portfolio in Review

As of Q3 2022, William Blair & Company held 1,924 positions worth $21.8B, down 3.4% from $22.5B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q3 2022 filing shows 62 new, 766 increased, 660 reduced and 101 closed positions. Its largest new stake was GSK: 37,792 shares worth $1.11M. The largest sale was Atlassian, an estimated $77.8M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, down from 24% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2022 buy was GSK: 37,792 shares worth $1.11M.
  • William Blair & Company added most to Watsco Inc in Q3 2022, an estimated $31.3M increase.
  • William Blair & Company's biggest Q3 2022 reduction was Trex, cutting an estimated $39.7M.
  • William Blair & Company fully exited Atlassian in Q3 2022, selling an estimated $77.8M.
  • William Blair & Company's ten largest holdings make up 23% of its $21.8B portfolio in Q3 2022.
  • William Blair & Company opened 62 new positions and closed 101 in Q3 2022.
  • William Blair & Company's portfolio value fell 3.4% quarter-over-quarter to $21.8B.

Based on William Blair & Company's 13F filing for Q3 2022, filed 9 Nov 2022.