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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
HXL icon
776
Hexcel
HXL
$7.82B
$863K 0.01%
12,482
+3,057
+32% +$206K
RDS.B
777
DELISTED
Royal Dutch Shell PLC ADS Class B
RDS.B
$862K 0.01%
13,473
-24
-0.2% -$1.52K
MEDP icon
778
Medpace
MEDP
$16.5B
$859K 0.01%
14,564
+10,361
+247% +$619K
SUB icon
779
iShares Short-Term National Muni Bond ETF
SUB
$11.4B
$854K 0.01%
8,055
+2,441
+43% +$258K
ANSS
780
DELISTED
Ansys
ANSS
$853K 0.01%
4,671
-21
-0.4% -$3.55K
CAKE icon
781
Cheesecake Factory
CAKE
$5.33B
$852K 0.01%
17,406
+6,186
+55% +$284K
PWR icon
782
Quanta Services
PWR
$101B
$841K 0.01%
22,291
+1,501
+7% +$52.4K
NUAN
783
DELISTED
Nuance Communications, Inc.
NUAN
$838K 0.01%
57,152
+4,819
+9% +$66.8K
IYR icon
784
iShares US Real Estate ETF
IYR
$4.65B
$837K 0.01%
9,617
+163
+2% +$13.5K
EFX icon
785
Equifax
EFX
$21.4B
$835K 0.01%
7,048
-205
-3% -$21.9K
FSLR icon
786
First Solar
FSLR
$26.9B
$832K 0.01%
+15,750
New +$793K
IJT icon
787
iShares S&P Small-Cap 600 Growth ETF
IJT
$8.42B
$830K 0.01%
9,302
+824
+10% +$72.8K
SPEM icon
788
State Street SPDR Portfolio Emerging Markets ETF
SPEM
$17.7B
$826K 0.01%
15,375
-1,200
-7% -$41.8K
HOLX
789
DELISTED
Hologic
HOLX
$823K 0.01%
16,995
+795
+5% +$35.8K
IJS icon
790
iShares S&P Small-Cap 600 Value ETF
IJS
$8.34B
$820K 0.01%
11,118
+1,610
+17% +$119K
DVN icon
791
Devon Energy
DVN
$47.3B
$816K 0.01%
25,842
+2,371
+10% +$66.2K
VDC icon
792
Vanguard Consumer Staples ETF
VDC
$7.99B
$813K 0.01%
5,598
-1,630
-23% -$226K
WSBC icon
793
WesBanco
WSBC
$4B
$813K 0.01%
20,463
+466
+2% +$18.8K
HDB icon
794
HDFC Bank
HDB
$121B
$812K 0.01%
28,032
-5,844
-17% -$152K
GNRC icon
795
Generac Holdings
GNRC
$12.5B
$811K ﹤0.01%
15,835
-141
-0.9% -$7.36K
OPRX icon
796
OptimizeRx
OPRX
$133M
$810K ﹤0.01%
+63,675
New +$828K
CYBR
797
DELISTED
CyberArk
CYBR
$806K ﹤0.01%
6,770
+3,608
+114% +$345K
GEL icon
798
Genesis Energy
GEL
$1.85B
$802K ﹤0.01%
34,407
-7,825
-19% -$169K
MSI icon
799
Motorola Solutions
MSI
$77.4B
$799K ﹤0.01%
5,689
+359
+7% +$46.6K
VAR
800
DELISTED
Varian Medical Systems, Inc.
VAR
$799K ﹤0.01%
5,635
+242
+4% +$31.8K
30 31
32
33 34

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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.