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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
+6.81%
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
$17.5B
AUM Growth
+$1.09B
Cap. Flow
+$196M
Cap. Flow %
1.12%
Top 10 Hldgs %
22.04%
Holding
1,814
New
115
Increased
670
Reduced
633
Closed
80

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$41.9M
2
DLB icon
Dolby
DLB
+$23M
3
TDOC icon
Teladoc Health
TDOC
+$20.9M
4
CPRT icon
Copart
CPRT
+$20.8M
5
DXCM icon
DexCom
DXCM
+$16M

Sector Composition

Rank Sector Weight
1 Technology 22.57%
2 Healthcare 17.89%
3 Financials 12.54%
4 Consumer Discretionary 10.12%
5 Industrials 9.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
SINA
801
DELISTED
Sina Corp
SINA
$855K ﹤0.01%
+7,500
New +$393K
MDP
802
DELISTED
Meredith Corporation
MDP
$843K ﹤0.01%
15,303
-1,108
-7% -$62K
DISH
803
DELISTED
DISH Network Corp.
DISH
$838K ﹤0.01%
21,819
-300
-1% -$10.6K
VDC icon
804
Vanguard Consumer Staples ETF
VDC
$7.96B
$837K ﹤0.01%
5,627
+29
+0.5% +$4.27K
ATO icon
805
Atmos Energy
ATO
$28.7B
$836K ﹤0.01%
7,923
+231
+3% +$23.7K
GDDY icon
806
GoDaddy
GDDY
$11.6B
$835K ﹤0.01%
11,908
+6,383
+116% +$481K
PWR icon
807
Quanta Services
PWR
$102B
$832K ﹤0.01%
21,262
-1,029
-5% -$39.1K
SPEM icon
808
State Street SPDR Portfolio Emerging Markets ETF
SPEM
$17.7B
$826K ﹤0.01%
15,375
PCAR icon
809
PACCAR
PCAR
$69B
$824K ﹤0.01%
17,243
+800
+5% +$37.2K
IVOG icon
810
Vanguard S&P Mid-Cap 400 Growth ETF
IVOG
$1.73B
$823K ﹤0.01%
11,736
+7,616
+185% +$523K
AYR
811
DELISTED
Aircastle Ltd
AYR
$816K ﹤0.01%
38,371
-4,937
-11% -$99.5K
KBE icon
812
State Street SPDR S&P Bank ETF
KBE
$1.74B
$815K ﹤0.01%
18,790
CTXS
813
DELISTED
Citrix Systems Inc
CTXS
$815K ﹤0.01%
8,300
+550
+7% +$54K
EXPD icon
814
Expeditors International
EXPD
$24B
$812K ﹤0.01%
10,708
+2,417
+29% +$182K
J icon
815
Jacobs Solutions
J
$17B
$811K ﹤0.01%
11,613
-87
-0.7% -$5.62K
PRF icon
816
Invesco FTSE RAFI US 1000 ETF
PRF
$10B
$811K ﹤0.01%
34,785
-14,240
-29% -$328K
VAPO
817
DELISTED
Vapotherm, Inc. Common Stock
VAPO
$809K ﹤0.01%
+4,398
New +$651K
SUNS
818
DELISTED
SLR Senior Investment Corp. Common Stock
SUNS
$809K ﹤0.01%
50,864
VAR
819
DELISTED
Varian Medical Systems, Inc.
VAR
$798K ﹤0.01%
5,864
+229
+4% +$30.6K
NLSN
820
DELISTED
Nielsen Holdings plc
NLSN
$794K ﹤0.01%
17,061
-2,463
-13% -$59.5K
VMW
821
DELISTED
VMware, Inc
VMW
$788K ﹤0.01%
4,712
+1,271
+37% +$238K
MNDT
822
DELISTED
Mandiant, Inc. Common Stock
MNDT
$788K ﹤0.01%
53,182
-25,119
-32% -$385K
CWB icon
823
State Street SPDR Bloomberg Convertible Securities ETF
CWB
$5.72B
$787K ﹤0.01%
14,887
-124
-0.8% -$6.49K
RBC icon
824
RBC Bearings
RBC
$17.6B
$785K ﹤0.01%
4,704
+386
+9% +$54.6K
RIG icon
825
Transocean
RIG
$6.37B
$785K ﹤0.01%
87,893
+1,800
+2% +$13.4K

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William Blair & Company's Q2 2019 Portfolio in Review

As of Q2 2019, William Blair & Company held 1,814 positions worth $17.5B, up 6.6% from $16.4B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair & Company's Q2 2019 filing shows 115 new, 670 increased, 633 reduced and 80 closed positions. Its largest new stake was Q2 Holdings: 213,468 shares worth $16.3M. The largest sale was Red Hat Inc, an estimated $144M.

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

  • William Blair & Company's largest Q2 2019 buy was Q2 Holdings: 213,468 shares worth $16.3M.
  • William Blair & Company added most to Fiserv Inc in Q2 2019, an estimated $41.9M increase.
  • William Blair & Company's biggest Q2 2019 reduction was Gilead Sciences, cutting an estimated $16.4M.
  • William Blair & Company fully exited Red Hat Inc in Q2 2019, selling an estimated $144M.
  • William Blair & Company's ten largest holdings make up 22% of its $17.5B portfolio in Q2 2019.
  • William Blair & Company opened 115 new positions and closed 80 in Q2 2019.
  • William Blair & Company's portfolio value rose 6.6% quarter-over-quarter to $17.5B.

Based on William Blair & Company's 13F filing for Q2 2019, filed 13 Aug 2019.