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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
+10.7%
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
$28.9B
AUM Growth
+$2.35B
Cap. Flow
-$98.3M
Cap. Flow %
-0.34%
Top 10 Hldgs %
23.73%
Holding
1,960
New
105
Increased
655
Reduced
787
Closed
72

Top Buys

Rank Stock Value
1
BALL icon
Ball Corp
BALL
+$39.8M
2
ABNB icon
Airbnb
ABNB
+$37.1M
3
GNRC icon
Generac Holdings
GNRC
+$34.4M
4
U icon
Unity
U
+$29.3M
5
TREX icon
Trex
TREX
+$29M

Top Sells

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$87.4M
2
TDOC icon
Teladoc Health
TDOC
+$65.6M
3
VRSK icon
Verisk Analytics
VRSK
+$65M
4
AAPL icon
Apple
AAPL
+$52M
5
ACWV icon
iShares MSCI Global Min Vol Factor ETF
ACWV
+$46.5M

Sector Composition

Rank Sector Weight
1 Technology 25.7%
2 Healthcare 19.69%
3 Financials 11.7%
4 Consumer Discretionary 10.72%
5 Industrials 9.79%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AEM icon
851
Agnico Eagle Mines
AEM
$91.3B
$1.22M ﹤0.01%
20,170
-125
-0.6% -$8.34K
DVN icon
852
Devon Energy
DVN
$48.8B
$1.22M ﹤0.01%
41,741
+19,218
+85% +$497K
MOS icon
853
The Mosaic Company
MOS
$6.92B
$1.21M ﹤0.01%
38,039
+1,600
+4% +$54.3K
PSXP
854
DELISTED
PHILLIPS 66 PARTNERS LP
PSXP
$1.21M ﹤0.01%
30,720
+3,000
+11% +$111K
VONE icon
855
Vanguard Russell 1000 ETF
VONE
$8.74B
$1.21M ﹤0.01%
6,037
– –
IGV icon
856
iShares Expanded Tech-Software Sector ETF
IGV
$15.2B
$1.2M ﹤0.01%
15,410
+115
+0.8% +$8.34K
PAR icon
857
PAR Technology
PAR
$770M
$1.2M ﹤0.01%
+17,174
New +$1.22M
PAYC icon
858
Paycom
PAYC
$10.1B
$1.2M ﹤0.01%
3,297
-186
-5% -$65.9K
SIX
859
DELISTED
Six Flags Entertainment Corp.
SIX
$1.2M ﹤0.01%
27,633
-10,647
-28% -$480K
CIT
860
DELISTED
CIT Group Inc.
CIT
$1.2M ﹤0.01%
23,160
+8,213
+55% +$432K
USIG icon
861
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.4B
$1.19M ﹤0.01%
19,691
+2,997
+18% +$179K
BDSX icon
862
Biodesix
BDSX
$251M
$1.19M ﹤0.01%
4,510
+1,222
+37% +$384K
CCK icon
863
Crown Holdings
CCK
$12.9B
$1.19M ﹤0.01%
11,648
+247
+2% +$26K
WAT icon
864
Waters Corp
WAT
$40.6B
$1.19M ﹤0.01%
3,440
-580
-14% -$184K
UAL icon
865
United Airlines
UAL
$41B
$1.18M ﹤0.01%
22,609
+1,505
+7% +$83.5K
IQV icon
866
IQVIA
IQV
$39.8B
$1.18M ﹤0.01%
4,875
-229
-4% -$52.9K
NVO
867
Novo Nordisk
NVO
$205B
$1.17M ﹤0.01%
27,966
-4,804
-15% -$186K
RWT
868
Redwood Trust
RWT
$599M
$1.17M ﹤0.01%
97,031
+1,516
+2% +$16.9K
SWKS icon
869
Skyworks Solutions
SWKS
$10.5B
$1.17M ﹤0.01%
6,089
+897
+17% +$159K
VRRM icon
870
Verra Mobility
VRRM
$731M
$1.17M ﹤0.01%
75,875
+42,142
+125% +$612K
ALRM icon
871
Alarm.com
ALRM
$2.74B
$1.17M ﹤0.01%
13,757
-30,945
-69% -$2.64M
MNST icon
872
Monster Beverage
MNST
$91.4B
$1.15M ﹤0.01%
50,520
-812
-2% -$19.1K
LYB icon
873
LyondellBasell Industries
LYB
$20.2B
$1.15M ﹤0.01%
11,211
-522
-4% -$56.5K
X
874
DELISTED
US Steel
X
$1.15M ﹤0.01%
47,983
-755
-2% -$18.6K
VSTO
875
DELISTED
Vista Outdoor Inc.
VSTO
$1.15M ﹤0.01%
+24,895
New +$942K
33 34
35
36 37

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William Blair & Company's Q2 2021 Portfolio in Review

As of Q2 2021, William Blair & Company held 1,960 positions worth $28.9B, up 8.9% from $26.5B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q2 2021 filing shows 105 new, 655 increased, 787 reduced and 72 closed positions. Its largest new stake was Luminar Technologies: 36,860 shares worth $12.1M. The largest sale was Fiserv Inc, an estimated $87.4M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2021 buy was Luminar Technologies: 36,860 shares worth $12.1M.
  • William Blair & Company added most to Ball Corp in Q2 2021, an estimated $39.8M increase.
  • William Blair & Company's biggest Q2 2021 reduction was Fiserv Inc, cutting an estimated $87.4M.
  • William Blair & Company fully exited RealPage, Inc. in Q2 2021, selling an estimated $12.1M.
  • William Blair & Company's ten largest holdings make up 24% of its $28.9B portfolio in Q2 2021.
  • William Blair & Company opened 105 new positions and closed 72 in Q2 2021.
  • William Blair & Company's portfolio value rose 8.9% quarter-over-quarter to $28.9B.

Based on William Blair & Company's 13F filing for Q2 2021, filed 12 Aug 2021.