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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
+17.39%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$16.4B
AUM Growth
+$2.69B
Cap. Flow
+$462M
Cap. Flow %
2.81%
Top 10 Hldgs %
21%
Holding
1,770
New
129
Increased
755
Reduced
489
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
TWLO icon
101
Twilio
TWLO
$29.7B
$39.6M 0.24%
306,194
+214,759
+235% +$24.2M
PFE icon
102
Pfizer
PFE
$145B
$39.4M 0.24%
976,831
-9,827
-1% -$394K
INTC icon
103
Intel
INTC
$505B
$37.3M 0.23%
694,900
+37,593
+6% +$1.91M
PEP icon
104
PepsiCo
PEP
$189B
$37.1M 0.23%
302,412
+40,932
+16% +$4.66M
TMO icon
105
Thermo Fisher Scientific
TMO
$212B
$36.1M 0.22%
131,870
-4,238
-3% -$1.05M
IEMG icon
106
iShares Core MSCI Emerging Markets ETF
IEMG
$157B
$35.5M 0.22%
686,397
+6,706
+1% +$340K
RTN
107
DELISTED
Raytheon Company
RTN
$35.5M 0.22%
194,891
+18,898
+11% +$3.29M
MDT icon
108
Medtronic
MDT
$110B
$35.4M 0.22%
388,374
+2,256
+0.6% +$202K
KRNT icon
109
Kornit Digital
KRNT
$788M
$35.2M 0.21%
1,479,077
+130,907
+10% +$2.78M
LLY icon
110
Eli Lilly
LLY
$1.04T
$35.2M 0.21%
271,060
+15,733
+6% +$1.91M
IBM icon
111
IBM
IBM
$222B
$34.9M 0.21%
258,726
+72,216
+39% +$9.21M
VWO icon
112
Vanguard FTSE Emerging Markets ETF
VWO
$124B
$32.2M 0.2%
757,947
+30,464
+4% +$1.25M
MTN icon
113
Vail Resorts
MTN
$5.4B
$31.4M 0.19%
144,273
+52,390
+57% +$10.7M
LOW icon
114
Lowe's Companies
LOW
$123B
$31M 0.19%
283,221
+3,520
+1% +$351K
UPS icon
115
United Parcel Service
UPS
$91.7B
$30.9M 0.19%
276,777
-4,183
-1% -$444K
RMD icon
116
ResMed
RMD
$32.4B
$30.9M 0.19%
297,337
+10,790
+4% +$1.11M
CL icon
117
Colgate-Palmolive
CL
$73.2B
$30.7M 0.19%
448,451
-31,989
-7% -$2.07M
CELG
118
DELISTED
Celgene Corp
CELG
$30.4M 0.19%
321,925
-229,851
-42% -$20.1M
BMY icon
119
Bristol-Myers Squibb
BMY
$130B
$30.2M 0.18%
632,214
+31,772
+5% +$1.58M
IWV icon
120
iShares Russell 3000 ETF
IWV
$20.4B
$29.5M 0.18%
177,038
+17,015
+11% +$2.73M
ZBRA icon
121
Zebra Technologies
ZBRA
$17.8B
$29M 0.18%
138,359
+62
+0% +$11.7K
IWD icon
122
iShares Russell 1000 Value ETF
IWD
$83.5B
$28.9M 0.18%
233,898
+20,178
+9% +$2.43M
OKTA icon
123
Okta
OKTA
$26B
$28.8M 0.18%
348,197
+21,142
+6% +$1.67M
GRUB
124
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
$28.6M 0.17%
205,562
+50,747
+33% +$7.86M
SPLK
125
DELISTED
Splunk Inc
SPLK
$28.4M 0.17%
227,895
+12,679
+6% +$1.58M
3 4
5
6 7

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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, 755 increased, 489 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.