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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+23.04%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$16.4B
AUM Growth
+$2.69B
Cap. Flow
+$306M
Cap. Flow %
1.86%
Top 10 Hldgs %
21%
Holding
1,770
New
129
Increased
754
Reduced
490
Closed
65

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$65.4M
2
P
Everpure Inc
P
+$35.3M
3
PYPL icon
PayPal
PYPL
+$30.4M
4
BA icon
Boeing
BA
+$28.3M
5
TWLO icon
Twilio
TWLO
+$24.2M

Top Sells

Rank Stock Value
1
TTE icon
TotalEnergies
TTE
+$155M
2
RHT
Red Hat Inc
RHT
+$73.4M
3
ULTI
Ultimate Software Group Inc
ULTI
+$70.6M
4
INGN icon
Inogen
INGN
+$25.8M
5
CELG
Celgene Corp
CELG
+$20.1M

Sector Composition

Rank Sector Weight
1 Technology 22.65%
2 Healthcare 17.38%
3 Financials 12.48%
4 Consumer Discretionary 9.87%
5 Industrials 9.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WPM icon
651
Wheaton Precious Metals
WPM
$60.9B
$1.36M 0.01%
57,191
-19,000
-25% -$404K
EQNR icon
652
Equinor
EQNR
$92.4B
$1.35M 0.01%
61,668
-19,586
-24% -$441K
TGE
653
DELISTED
Tallgrass Energy, LP Class A Shares
TGE
$1.34M 0.01%
53,201
-2,804
-5% -$66.5K
EA
654
DELISTED
Electronic Arts
EA
$1.33M 0.01%
13,073
-526
-4% -$49.9K
PMD
655
DELISTED
Psychemedics Corporation
PMD
$1.33M 0.01%
93,633
-12,600
-12% -$217K
F icon
656
Ford
F
$55.7B
$1.32M 0.01%
150,188
-10,564
-7% -$90.7K
SHY icon
657
iShares 1-3 Year Treasury Bond ETF
SHY
$25.1B
$1.32M 0.01%
15,682
-5,696
-27% -$477K
MNDT
658
DELISTED
Mandiant, Inc. Common Stock
MNDT
$1.31M 0.01%
78,301
+1,756
+2% +$29.6K
GAIN icon
659
Gladstone Investment Corp
GAIN
$661M
$1.31M 0.01%
113,106
+3,527
+3% +$39.6K
IVE icon
660
iShares S&P 500 Value ETF
IVE
$49.8B
$1.31M 0.01%
11,607
+3,335
+40% +$366K
BAH icon
661
Booz Allen Hamilton
BAH
$9.15B
$1.31M 0.01%
22,484
+4,890
+28% +$254K
VSM
662
DELISTED
Versum Materials, Inc.
VSM
$1.29M 0.01%
25,741
-991
-4% -$39.5K
VONE icon
663
Vanguard Russell 1000 ETF
VONE
$8.58B
$1.28M 0.01%
9,837
– –
LHX icon
664
L3Harris
LHX
$53.4B
$1.27M 0.01%
7,960
+297
+4% +$45.7K
WCN
665
Waste Connections
WCN
$42B
$1.27M 0.01%
14,351
+10,604
+283% +$874K
K
666
DELISTED
Kellanova
K
$1.27M 0.01%
23,533
+4,103
+21% +$219K
EFV icon
667
iShares MSCI EAFE Value ETF
EFV
$29.4B
$1.27M 0.01%
25,901
+4,049
+19% +$195K
LYB icon
668
LyondellBasell Industries
LYB
$19.2B
$1.26M 0.01%
14,987
+1,007
+7% +$87K
FUSB icon
669
First US Bancshares
FUSB
$91.1M
$1.25M 0.01%
125,500
– –
LNG icon
670
Cheniere Energy
LNG
$52.9B
$1.25M 0.01%
18,319
+119
+0.7% +$7.82K
DIA icon
671
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$46.5B
$1.25M 0.01%
4,806
+9
+0.2% +$2.26K
VFH icon
672
Vanguard Financials ETF
VFH
$13.6B
$1.23M 0.01%
19,083
-1,611
-8% -$104K
IEV icon
673
iShares Europe ETF
IEV
$1.7B
$1.23M 0.01%
28,341
-2,143
-7% -$90K
EFOR
674
Everforth Inc
EFOR
$1.32B
$1.23M 0.01%
19,317
+7,048
+57% +$441K
CINF icon
675
Cincinnati Financial
CINF
$27.1B
$1.22M 0.01%
14,233
-1,290
-8% -$106K
25 26
27
28 29

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William Blair & Company's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair & Company held 1,770 positions worth $16.4B, up 20% from $13.7B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q1 2019 filing shows 129 new, 754 increased, 490 reduced and 65 closed positions. Its largest new stake was Western Midstream Partners: 147,267 shares worth $4.62M. The largest sale was TotalEnergies, an estimated $155M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 21% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2019 buy was Western Midstream Partners: 147,267 shares worth $4.62M.
  • William Blair & Company added most to Fiserv Inc in Q1 2019, an estimated $65.4M increase.
  • William Blair & Company's biggest Q1 2019 reduction was TotalEnergies, cutting an estimated $155M.
  • William Blair & Company fully exited MB Financial Corp in Q1 2019, selling an estimated $7.72M.
  • William Blair & Company's ten largest holdings make up 21% of its $16.4B portfolio in Q1 2019.
  • William Blair & Company opened 129 new positions and closed 65 in Q1 2019.
  • William Blair & Company's portfolio value rose 20% quarter-over-quarter to $16.4B.

Based on William Blair & Company's 13F filing for Q1 2019, filed 14 May 2019.