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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
+8.77%
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
$12.4B
AUM Growth
+$1.23B
Cap. Flow
+$420M
Cap. Flow %
3.39%
Top 10 Hldgs %
17.91%
Holding
1,607
New
193
Increased
600
Reduced
460
Closed
133

Top Buys

Rank Stock Value
1
WAB icon
Wabtec
WAB
+$31.4M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$28.5M
3
VIG icon
Vanguard Dividend Appreciation ETF
VIG
+$26M
4
VEEV icon
Veeva Systems
VEEV
+$25M
5
PGR icon
Progressive
PGR
+$20.8M

Top Sells

Rank Stock Value
1
IDXX icon
Idexx Laboratories
IDXX
+$32.3M
2
MJN
Mead Johnson Nutrition Company
MJN
+$27.1M
3
TSCO icon
Tractor Supply
TSCO
+$23M
4
WM icon
Waste Management
WM
+$19.1M
5
TDG icon
TransDigm Group
TDG
+$16.5M

Sector Composition

Rank Sector Weight
1 Healthcare 18.3%
2 Technology 16.24%
3 Financials 13.61%
4 Industrials 11.16%
5 Consumer Discretionary 9.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CTAS icon
126
Cintas
CTAS
$81.9B
$25.2M 0.2%
826,332
+140,608
+21% +$4.16M
PM icon
127
Philip Morris
PM
$297B
$24.2M 0.19%
217,628
+11,459
+6% +$1.18M
TIP icon
128
iShares TIPS Bond ETF
TIP
$14.5B
$24.1M 0.19%
209,809
+32,747
+18% +$3.73M
WMGI
129
DELISTED
Wright Medical Group Inc
WMGI
$24M 0.19%
860,721
+101,370
+13% +$2.75M
PXD
130
DELISTED
Pioneer Natural Resource Co.
PXD
$24M 0.19%
129,005
+12,989
+11% +$2.41M
VWO icon
131
Vanguard FTSE Emerging Markets ETF
VWO
$121B
$23.8M 0.19%
609,503
+113,976
+23% +$4.4M
OMC icon
132
Omnicom Group
OMC
$21.6B
$23.6M 0.19%
273,797
-874
-0.3% -$74.6K
SJM icon
133
J.M. Smucker
SJM
$12.7B
$23.5M 0.19%
167,030
+7,231
+5% +$983K
EPD icon
134
Enterprise Products Partners
EPD
$82.3B
$23M 0.19%
823,284
+31,332
+4% +$875K
ISRG icon
135
Intuitive Surgical
ISRG
$127B
$23M 0.19%
273,870
+7,326
+3% +$579K
NKE icon
136
Nike
NKE
$61.9B
$22.1M 0.18%
389,405
-21,811
-5% -$1.21M
MRK icon
137
Merck
MRK
$322B
$22M 0.18%
355,377
+15,622
+5% +$948K
LLY icon
138
Eli Lilly
LLY
$1.02T
$22M 0.18%
262,258
+30,399
+13% +$2.43M
VZ icon
139
Verizon
VZ
$195B
$22M 0.18%
444,635
-26,340
-6% -$1.32M
AYI icon
140
Acuity Brands
AYI
$9.83B
$21.9M 0.18%
103,694
-53,228
-34% -$11.2M
IEMG icon
141
iShares Core MSCI Emerging Markets ETF
IEMG
$150B
$21.6M 0.17%
466,129
+8,361
+2% +$385K
WMT icon
142
Walmart Inc
WMT
$885B
$21.6M 0.17%
899,874
+5,784
+0.6% +$133K
TMO icon
143
Thermo Fisher Scientific
TMO
$213B
$21.4M 0.17%
137,676
+1,831
+1% +$280K
NXTM
144
DELISTED
NxStage Medical Inc.
NXTM
$21.3M 0.17%
772,334
-59,142
-7% -$1.63M
AON icon
145
Aon
AON
$76.5B
$21.1M 0.17%
180,205
-30,531
-14% -$3.52M
NVRO
146
DELISTED
NEVRO CORP.
NVRO
$20.8M 0.17%
216,617
+16,770
+8% +$1.52M
AGN
147
DELISTED
Allergan plc
AGN
$20.5M 0.17%
85,804
-16,180
-16% -$3.77M
NUVA
148
DELISTED
NuVasive, Inc.
NUVA
$20.3M 0.16%
271,595
+8,837
+3% +$641K
BRK.A icon
149
Berkshire Hathaway Class A
BRK.A
$1.1T
$20.3M 0.16%
81
– –
INTC icon
150
Intel
INTC
$455B
$20.2M 0.16%
560,046
-95,381
-15% -$3.45M
4 5
6
7 8

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William Blair & Company's Q1 2017 Portfolio in Review

As of Q1 2017, William Blair & Company held 1,607 positions worth $12.4B, up 11% from $11.2B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company deployed $420M of net new capital in Q1 2017, opening 193 new positions and adding to 600 existing holdings. Its largest new stake was Park-Ohio Holdings: 200,527 shares worth $8.95M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 18% a quarter earlier, followed by Technology and Financials.

On the sell side, the largest reduction was Idexx Laboratories, an estimated $32.3M trimmed.

  • William Blair & Company's largest Q1 2017 buy was Park-Ohio Holdings: 200,527 shares worth $8.95M.
  • William Blair & Company added most to Wabtec in Q1 2017, an estimated $31.4M increase.
  • William Blair & Company's biggest Q1 2017 reduction was Idexx Laboratories, cutting an estimated $32.3M.
  • William Blair & Company fully exited Hennessy Capital Acquisition Corp. Unit in Q1 2017, selling an estimated $5.55M.
  • William Blair & Company's ten largest holdings make up 18% of its $12.4B portfolio in Q1 2017.
  • William Blair & Company opened 193 new positions and closed 133 in Q1 2017.
  • William Blair & Company's portfolio value rose 11% quarter-over-quarter to $12.4B.

Based on William Blair & Company's 13F filing for Q1 2017, filed 10 May 2017.