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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
PGR icon
51
Progressive
PGR
$123B
$78.4M 0.48%
1,087,200
+47,420
+5% +$3.25M
UNH icon
52
UnitedHealth
UNH
$375B
$78.1M 0.48%
315,933
+9,838
+3% +$2.51M
DIS icon
53
Walt Disney
DIS
$173B
$75.8M 0.46%
682,449
+27,960
+4% +$3.13M
TDG icon
54
TransDigm Group
TDG
$69.5B
$75.6M 0.46%
166,480
+2,851
+2% +$1.16M
ITW icon
55
Illinois Tool Works
ITW
$85B
$75.3M 0.46%
524,765
-16,451
-3% -$2.28M
WEX icon
56
WEX
WEX
$6.45B
$74.3M 0.45%
387,024
+20,571
+6% +$3.48M
CHKP icon
57
Check Point Software Technologies
CHKP
$12.7B
$73.4M 0.45%
580,101
-4,777
-0.8% -$555K
COST icon
58
Costco
COST
$417B
$73.3M 0.45%
302,591
+11,124
+4% +$2.43M
CSCO icon
59
Cisco
CSCO
$480B
$72.2M 0.44%
1,336,837
+55,021
+4% +$2.67M
ULTA icon
60
Ulta Beauty
ULTA
$23.1B
$71.8M 0.44%
205,827
+20,745
+11% +$6.27M
EFA icon
61
iShares MSCI EAFE ETF
EFA
$79.4B
$69.9M 0.43%
1,077,620
-11,686
-1% -$736K
KMX icon
62
CarMax
KMX
$7.99B
$69.4M 0.42%
994,558
+3,567
+0.4% +$220K
ABMD
63
DELISTED
Abiomed Inc
ABMD
$69.3M 0.42%
242,586
+5,244
+2% +$1.74M
EXAS
64
DELISTED
Exact Sciences
EXAS
$68.6M 0.42%
791,445
+2,083
+0.3% +$177K
PG icon
65
Procter & Gamble
PG
$339B
$68.1M 0.42%
654,638
+104,634
+19% +$10.2M
PLNT icon
66
Planet Fitness
PLNT
$4.44B
$67.6M 0.41%
983,688
+62,461
+7% +$3.78M
LULU icon
67
lululemon athletica
LULU
$14B
$67.6M 0.41%
412,431
+108,837
+36% +$15.9M
AME icon
68
Ametek
AME
$58.7B
$64.5M 0.39%
777,850
+11,060
+1% +$840K
NTRS icon
69
Northern Trust
NTRS
$33.6B
$63.8M 0.39%
705,574
-8,682
-1% -$783K
MCD icon
70
McDonald's
MCD
$194B
$63.1M 0.38%
332,159
+16,350
+5% +$2.97M
ABBV icon
71
AbbVie
ABBV
$436B
$62.7M 0.38%
778,497
-23,757
-3% -$1.94M
CVX icon
72
Chevron
CVX
$373B
$61.5M 0.37%
498,993
+34,613
+7% +$4.1M
BKNG icon
73
Booking.com
BKNG
$159B
$58.3M 0.36%
835,325
-9,175
-1% -$655K
ADP icon
74
Automatic Data Processing
ADP
$107B
$56.5M 0.34%
353,387
-30,457
-8% -$4.42M
EW icon
75
Edwards Lifesciences
EW
$51.1B
$55.9M 0.34%
877,143
+27,183
+3% +$1.55M
1 2
3
4 5

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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.