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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
DTM icon
1126
DT Midstream
DTM
$13.8B
$379K ﹤0.01%
7,295
-16
-0.2% -$864
GME icon
1127
GameStop
GME
$8.33B
$378K ﹤0.01%
15,028
-392
-3% -$12.8K
L icon
1128
Loews
L
$23B
$378K ﹤0.01%
7,576
-24
-0.3% -$1.35K
MP icon
1129
MP Materials
MP
$9.91B
$378K ﹤0.01%
+13,839
New +$452K
SHLS icon
1130
Shoals Technologies Group
SHLS
$1.37B
$376K ﹤0.01%
17,432
+551
+3% +$12.3K
EMN icon
1131
Eastman Chemical
EMN
$8.43B
$375K ﹤0.01%
5,283
+727
+16% +$65.3K
AZTA icon
1132
Azenta
AZTA
$1.49B
$374K ﹤0.01%
8,731
-2,223
-20% -$133K
FWONK icon
1133
Liberty Media Series C
FWONK
$26B
$374K ﹤0.01%
6,620
-43
-0.6% -$2.66K
CASY icon
1134
Casey's General Stores
CASY
$31.6B
$373K ﹤0.01%
1,841
-3
-0.2% -$622
STLD icon
1135
Steel Dynamics
STLD
$37.3B
$373K ﹤0.01%
5,260
-470
-8% -$35.6K
BMRC icon
1136
Bank of Marin Bancorp
BMRC
$462M
$372K ﹤0.01%
12,411
– –
NUVA
1137
DELISTED
NuVasive, Inc.
NUVA
$372K ﹤0.01%
8,490
– –
WU icon
1138
Western Union
WU
$2.34B
$370K ﹤0.01%
27,402
-2,854
-9% -$44.7K
BYND icon
1139
Beyond Meat
BYND
$210M
$369K ﹤0.01%
26,070
+1,164
+5% +$32.1K
PRGO icon
1140
Perrigo
PRGO
$1.78B
$369K ﹤0.01%
+10,358
New +$416K
AQN icon
1141
Algonquin Power & Utilities
AQN
$4.48B
$367K ﹤0.01%
33,626
+120
+0.4% +$1.63K
IGV icon
1142
iShares Expanded Tech-Software Sector ETF
IGV
$15.2B
$367K ﹤0.01%
7,345
-4,645
-39% -$264K
FUL icon
1143
H.B. Fuller
FUL
$3.24B
$366K ﹤0.01%
6,087
-27
-0.4% -$1.72K
NXRT
1144
NexPoint Residential Trust
NXRT
$636M
$366K ﹤0.01%
7,910
+275
+4% +$15.8K
WES icon
1145
Western Midstream Partners
WES
$20B
$366K ﹤0.01%
14,551
+1,790
+14% +$47.8K
TRTN
1146
DELISTED
Triton International Limited
TRTN
$366K ﹤0.01%
6,692
+187
+3% +$11.2K
FE icon
1147
FirstEnergy
FE
$27.1B
$365K ﹤0.01%
9,855
+260
+3% +$10.3K
TWI icon
1148
Titan International
TWI
$438M
$365K ﹤0.01%
30,100
– –
KRT icon
1149
Karat Packaging
KRT
$953M
$363K ﹤0.01%
22,692
– –
PD icon
1150
PagerDuty
PD
$932M
$363K ﹤0.01%
15,741
+620
+4% +$16K
44 45
46
47 48

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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.