We are live on ! Find out more
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
ORI icon
726
Old Republic International
ORI
$10.3B
$1.43M 0.01%
64,016
+932
+1% +$21.6K
SGMO
727
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
$1.43M 0.01%
344,902
– –
GGG icon
728
Graco
GGG
$13.2B
$1.43M 0.01%
24,028
-1,237
-5% -$77.8K
INCY icon
729
Incyte
INCY
$24.5B
$1.42M 0.01%
18,676
+18
+0.1% +$1.37K
PLUG icon
730
Plug Power
PLUG
$3.26B
$1.42M 0.01%
85,442
+77,114
+926% +$1.53M
SWIR
731
DELISTED
Sierra Wireless
SWIR
$1.41M 0.01%
+60,355
New +$1.18M
HCSG icon
732
Healthcare Services Group
HCSG
$1.46B
$1.41M 0.01%
81,022
-163,261
-67% -$2.82M
LEG icon
733
Leggett & Platt
LEG
$1.31B
$1.4M 0.01%
40,550
– –
MOS icon
734
The Mosaic Company
MOS
$7.11B
$1.4M 0.01%
29,612
-13,534
-31% -$829K
DTE icon
735
DTE Energy
DTE
$29B
$1.39M 0.01%
10,928
+720
+7% +$93.9K
XLB icon
736
State Street Materials Select Sector SPDR ETF
XLB
$8.6B
$1.37M 0.01%
37,240
-38,060
-51% -$1.59M
HCP
737
DELISTED
HashiCorp, Inc. Class A Common Stock
HCP
$1.37M 0.01%
46,528
+41,478
+821% +$1.67M
GPC icon
738
Genuine Parts
GPC
$18.5B
$1.37M 0.01%
10,296
+260
+3% +$34.6K
SPLV icon
739
Invesco S&P 500 Low Volatility ETF
SPLV
$7.21B
$1.37M 0.01%
22,028
+2
+0% +$129
CRL icon
740
Charles River Laboratories
CRL
$13.6B
$1.36M 0.01%
6,340
-3,334
-34% -$815K
AVY icon
741
Avery Dennison
AVY
$13.5B
$1.36M 0.01%
8,376
+161
+2% +$27.5K
HEI.A icon
742
HEICO Corp Class A
HEI.A
$37.5B
$1.36M 0.01%
12,864
-616
-5% -$70.9K
URI icon
743
United Rentals
URI
$69.4B
$1.35M 0.01%
5,551
-4,940
-47% -$1.45M
EWJ icon
744
iShares MSCI Japan ETF
EWJ
$23.2B
$1.34M 0.01%
25,430
-1,589
-6% -$89.7K
PEN icon
745
Penumbra
PEN
$12.9B
$1.34M 0.01%
10,780
-353
-3% -$56K
IVOG icon
746
Vanguard S&P Mid-Cap 400 Growth ETF
IVOG
$1.73B
$1.34M 0.01%
16,932
– –
HZNP
747
DELISTED
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
$1.33M 0.01%
16,704
-2,253
-12% -$213K
IBDN
748
DELISTED
iShares iBonds Dec 2022 Term Corporate ETF
IBDN
$1.33M 0.01%
53,015
+155
+0.3% +$3.88K
LRCX icon
749
Lam Research
LRCX
$421B
$1.32M 0.01%
30,880
-2,620
-8% -$125K
TLT icon
750
iShares 20+ Year Treasury Bond ETF
TLT
$40.9B
$1.32M 0.01%
11,456
+1,503
+15% +$177K
28 29
30
31 32

Similar funds

Parallax Volatility Advisers
Parallax Volatility Advisers San Francisco, California $38.6B AUM 45.89% 1-Year Est. Return
Credit Agricole
Credit Agricole Montrouge Cedex, France $38.1B AUM
Carson Wealth (CWM LLC)
Carson Wealth (CWM LLC) Omaha, Nebraska $38.1B AUM 19.66% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return
Fayez Sarofim & Co
Fayez Sarofim & Co Houston, Texas $39.1B AUM 15.14% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
First Manhattan
First Manhattan New York $36.1B AUM 11.5% 1-Year Est. Return
Newport Trust Company
Newport Trust Company Washington, District of Columbia $40.7B AUM 24.62% 1-Year Est. Return

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.