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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
TFI icon
1051
State Street SPDR Nuveen ICE Municipal Bond ETF
TFI
$3.14B
$379K ﹤0.01%
7,687
+36
+0.5% +$1.75K
AUTL
1052
Autolus Therapeutics
AUTL
$559M
$378K ﹤0.01%
12,000
-9,600
-44% -$273K
USD icon
1053
ProShares Ultra Semiconductors
USD
$2.92B
$378K ﹤0.01%
145,200
+4,800
+3% +$11K
PKX icon
1054
POSCO
PKX
$17.5B
$377K ﹤0.01%
6,829
– –
CVGW
1055
DELISTED
Calavo Growers
CVGW
$376K ﹤0.01%
+4,485
New +$364K
CCL icon
1056
Carnival Corporation Ltd
CCL
$39.8B
$375K ﹤0.01%
7,399
+1,591
+27% +$88.2K
FLS icon
1057
Flowserve
FLS
$10.1B
$373K ﹤0.01%
+8,272
New +$361K
CX icon
1058
Cemex
CX
$16.3B
$372K ﹤0.01%
80,082
– –
HCA icon
1059
HCA Healthcare
HCA
$89.6B
$371K ﹤0.01%
2,845
+1,088
+62% +$146K
BY icon
1060
Byline Bancorp
BY
$1.77B
$370K ﹤0.01%
20,000
– –
BV icon
1061
BrightView Holdings
BV
$1.06B
$369K ﹤0.01%
25,650
+1,790
+8% +$24.9K
DGS icon
1062
WisdomTree Emerging Markets SmallCap Dividend Fund
DGS
$1.76B
$369K ﹤0.01%
7,108
+4,533
+176% +$207K
KNOW
1063
DELISTED
Direxion All Cap Insider Sentiment Shares
KNOW
$369K ﹤0.01%
8,924
+6,433
+258% +$243K
NUE icon
1064
Nucor
NUE
$62B
$367K ﹤0.01%
6,294
+1,303
+26% +$76.4K
PRGO icon
1065
Perrigo
PRGO
$1.78B
$367K ﹤0.01%
7,627
-750
-9% -$35.1K
LABL
1066
DELISTED
Multi-Color Corp
LABL
$367K ﹤0.01%
4,651
– –
IYJ icon
1067
iShares US Industrials ETF
IYJ
$2.02B
$366K ﹤0.01%
4,810
-474
-9% -$34.3K
PRAH
1068
DELISTED
PRA Health Sciences, Inc.
PRAH
$365K ﹤0.01%
3,310
– –
KR icon
1069
Kroger
KR
$34.7B
$364K ﹤0.01%
+14,780
New +$405K
THS
1070
DELISTED
Treehouse Foods
THS
$364K ﹤0.01%
5,642
+817
+17% +$48.2K
BNS icon
1071
Scotiabank
BNS
$108B
$363K ﹤0.01%
6,820
+320
+5% +$17.5K
NEAR icon
1072
iShares Short Maturity Bond ETF
NEAR
$4.85B
$363K ﹤0.01%
7,232
-1,191
-14% -$59.6K
VGIT icon
1073
Vanguard Intermediate-Term Treasury ETF
VGIT
$41.7B
$361K ﹤0.01%
5,593
-876
-14% -$55.7K
DES icon
1074
WisdomTree US SmallCap Dividend Fund
DES
$2.22B
$360K ﹤0.01%
13,087
+1,290
+11% +$35.2K
HIG icon
1075
Hartford Financial Services
HIG
$39.3B
$360K ﹤0.01%
7,248
+239
+3% +$11.3K
41 42
43
44 45

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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.