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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
IRTC icon
76
iRhythm Holdings
IRTC
$4.08B
$73.3M 0.33%
678,396
-12,767
-2% -$1.69M
P
77
Everpure Inc
P
$37.1B
$73.3M 0.33%
2,849,958
-42,337
-1% -$1.17M
VEU icon
78
Vanguard FTSE All-World ex-US ETF
VEU
$70.4B
$73M 0.32%
1,460,592
+54,922
+4% +$2.94M
EVH icon
79
Evolent Health
EVH
$488M
$71.5M 0.32%
2,328,935
-37,931
-2% -$1.11M
ROL icon
80
Rollins
ROL
$17.7B
$71.5M 0.32%
2,046,493
+170,976
+9% +$5.87M
PANW icon
81
Palo Alto Networks
PANW
$313B
$69.8M 0.31%
847,800
-31,014
-4% -$2.75M
IBM icon
82
IBM
IBM
$221B
$69M 0.31%
489,007
+115,806
+31% +$15.6M
PODD icon
83
Insulet
PODD
$9.96B
$67.1M 0.3%
307,838
+50,841
+20% +$11.6M
SPGI icon
84
S&P Global
SPGI
$120B
$66.3M 0.29%
196,564
-1,523
-0.8% -$543K
RMD icon
85
ResMed
RMD
$32.7B
$65.8M 0.29%
314,003
+16,414
+6% +$3.49M
NVDA icon
86
NVIDIA
NVDA
$5.41T
$65.5M 0.29%
4,323,980
-636,670
-13% -$12M
ADP icon
87
Automatic Data Processing
ADP
$106B
$64.2M 0.28%
305,641
-7,829
-2% -$1.72M
PFE icon
88
Pfizer
PFE
$150B
$63.8M 0.28%
1,217,619
-5,866
-0.5% -$299K
LYV icon
89
Live Nation Entertainment
LYV
$43B
$63.6M 0.28%
769,632
-19,457
-2% -$1.87M
IUSV icon
90
iShares Core S&P US Value ETF
IUSV
$27.8B
$63.5M 0.28%
949,601
+41,005
+5% +$2.95M
ABNB icon
91
Airbnb
ABNB
$108B
$62.1M 0.28%
696,837
-393,523
-36% -$51.2M
MKC icon
92
McCormick & Company Non-Voting
MKC
$14.2B
$61.7M 0.27%
741,581
-3,640
-0.5% -$345K
MCHP icon
93
Microchip Technology
MCHP
$43.6B
$59.5M 0.26%
1,023,780
+8,546
+0.8% +$566K
META icon
94
Meta Platforms (Facebook)
META
$1.48T
$59.1M 0.26%
366,360
-27,064
-7% -$5.22M
MRK icon
95
Merck
MRK
$329B
$58.5M 0.26%
641,728
+2,436
+0.4% +$216K
ISRG icon
96
Intuitive Surgical
ISRG
$142B
$58.1M 0.26%
289,349
-5,136
-2% -$1.2M
XMTR icon
97
Xometry
XMTR
$5.28B
$57.9M 0.26%
1,705,158
+312,366
+22% +$10.8M
SPLK
98
DELISTED
Splunk Inc
SPLK
$57.6M 0.26%
650,638
-14,322
-2% -$1.58M
GNRC icon
99
Generac Holdings
GNRC
$13.1B
$56.8M 0.25%
269,929
+29,129
+12% +$7.16M
DOCU
100
DocuSign
DOCU
$11B
$54.4M 0.24%
948,480
-317,692
-25% -$25.7M
2 3
4
5 6

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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.