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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
+0.39%
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
$10.6B
AUM Growth
-$28.4M
Cap. Flow
+$48.7M
Cap. Flow %
0.46%
Top 10 Hldgs %
17.73%
Holding
1,332
New
89
Increased
456
Reduced
508
Closed
121

Top Buys

Rank Stock Value
1
XRAY icon
Dentsply Sirona
XRAY
+$51.3M
2
MSFT icon
Microsoft
MSFT
+$36.9M
3
PYPL icon
PayPal
PYPL
+$21.2M
4
AMT icon
American Tower
AMT
+$21.2M
5
OMC icon
Omnicom Group
OMC
+$18.3M

Top Sells

Rank Stock Value
1
SIRO
SIRONA DENTAL SYSTEMS INC COM STK
SIRO
+$57.3M
2
WEX icon
WEX
WEX
+$35.3M
3
ARG
Airgas Inc
ARG
+$29.5M
4
SBAC icon
SBA Communications
SBAC
+$19.6M
5
ESRX
Express Scripts Holding Company
ESRX
+$19M

Sector Composition

Rank Sector Weight
1 Healthcare 18.96%
2 Technology 15.24%
3 Industrials 12.81%
4 Financials 11.94%
5 Consumer Discretionary 11.43%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TDG icon
51
TransDigm Group
TDG
$70.2B
$58.6M 0.55%
266,087
-1,086
-0.4% -$237K
ICE icon
52
Intercontinental Exchange
ICE
$85.6B
$58.4M 0.55%
1,241,280
+131,385
+12% +$6.39M
APH icon
53
Amphenol
APH
$198B
$57.8M 0.54%
4,000,480
+86,476
+2% +$1.12M
UNP icon
54
Union Pacific
UNP
$174B
$56.3M 0.53%
707,841
+74,769
+12% +$5.78M
PYPL icon
55
PayPal
PYPL
$48.9B
$56.3M 0.53%
1,457,472
+585,872
+67% +$21.2M
XRAY icon
56
Dentsply Sirona
XRAY
$2.68B
$56M 0.53%
909,330
+870,545
+2,245% +$51.3M
HD icon
57
Home Depot
HD
$331B
$55.7M 0.52%
417,552
+16,344
+4% +$2.04M
UPS icon
58
United Parcel Service
UPS
$88.6B
$55.6M 0.52%
526,705
-9,641
-2% -$937K
PRLB icon
59
Protolabs
PRLB
$1.79B
$54.5M 0.51%
706,345
-32,316
-4% -$2.09M
PG icon
60
Procter & Gamble
PG
$336B
$52.3M 0.49%
635,630
+139,455
+28% +$11.2M
PRAA icon
61
PRA Group
PRAA
$663M
$52.3M 0.49%
1,779,737
-7,082
-0.4% -$204K
ACN icon
62
Accenture
ACN
$102B
$52.1M 0.49%
451,225
+129,154
+40% +$13.3M
NTRS icon
63
Northern Trust
NTRS
$33.3B
$50.9M 0.48%
780,520
-1,133
-0.1% -$71K
BKNG icon
64
Booking.com
BKNG
$149B
$50.7M 0.48%
983,925
-64,375
-6% -$3.08M
JPM icon
65
JPMorgan Chase
JPM
$935B
$49M 0.46%
827,618
+48,652
+6% +$2.84M
XOM icon
66
ExxonMobil
XOM
$644B
$48.2M 0.45%
576,151
+36,172
+7% +$2.9M
ARG
67
DELISTED
Airgas Inc
ARG
$47.7M 0.45%
336,519
-210,155
-38% -$29.5M
NKE icon
68
Nike
NKE
$61.9B
$47.5M 0.45%
772,724
+105,801
+16% +$6.39M
ABT icon
69
Abbott
ABT
$183B
$47.5M 0.45%
1,134,412
-195,125
-15% -$7.73M
ABBV icon
70
AbbVie
ABBV
$443B
$46.2M 0.43%
808,845
+84,122
+12% +$4.69M
BRK.B icon
71
Berkshire Hathaway Class B
BRK.B
$1.1T
$46.2M 0.43%
325,504
+5,325
+2% +$706K
FISV
72
Fiserv Inc
FISV
$28.8B
$45.8M 0.43%
893,862
-10,122
-1% -$480K
PRGO icon
73
Perrigo
PRGO
$1.4B
$45.4M 0.43%
354,857
-4,173
-1% -$571K
BFAM icon
74
Bright Horizons
BFAM
$3.92B
$44.1M 0.42%
681,205
-124,093
-15% -$7.98M
VEU icon
75
Vanguard FTSE All-World ex-US ETF
VEU
$66.6B
$44.1M 0.42%
1,022,613
-94,591
-8% -$3.87M
1 2
3
4 5

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William Blair & Company's Q1 2016 Portfolio in Review

As of Q1 2016, William Blair & Company held 1,332 positions worth $10.6B, down 0.27% from $10.7B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company's Q1 2016 filing shows 89 new, 456 increased, 508 reduced and 121 closed positions. Its largest new stake was Willis Towers Watson: 37,173 shares worth $4.41M. The largest sale was SIRONA DENTAL SYSTEMS INC COM STK, an estimated $57.3M.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, down from 20% a quarter earlier, followed by Technology and Industrials.

  • William Blair & Company's largest Q1 2016 buy was Willis Towers Watson: 37,173 shares worth $4.41M.
  • William Blair & Company added most to Dentsply Sirona in Q1 2016, an estimated $51.3M increase.
  • William Blair & Company's biggest Q1 2016 reduction was WEX, cutting an estimated $35.3M.
  • William Blair & Company fully exited SIRONA DENTAL SYSTEMS INC COM STK in Q1 2016, selling an estimated $57.3M.
  • William Blair & Company's ten largest holdings make up 18% of its $10.6B portfolio in Q1 2016.
  • William Blair & Company opened 89 new positions and closed 121 in Q1 2016.
  • William Blair & Company's portfolio value fell 0.27% quarter-over-quarter to $10.6B.

Based on William Blair & Company's 13F filing for Q1 2016, filed 16 May 2016.