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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
SBNY
76
DELISTED
Signature Bank
SBNY
$43.9M 0.35%
287,640
-12,345
-4% -$1.91M
BFH icon
77
Bread Financial
BFH
$4.45B
$43.4M 0.35%
223,394
+37,417
+20% +$7.08M
VEU icon
78
Vanguard FTSE All-World ex-US ETF
VEU
$66.6B
$43.1M 0.35%
902,894
+168,734
+23% +$7.86M
EW icon
79
Edwards Lifesciences
EW
$49.8B
$42.6M 0.34%
1,357,665
+324,957
+31% +$10.2M
BFAM icon
80
Bright Horizons
BFAM
$4.05B
$42.5M 0.34%
615,453
+2,529
+0.4% +$177K
WAGE
81
DELISTED
WageWorks, Inc.
WAGE
$42.5M 0.34%
551,477
+52,989
+11% +$3.92M
SGEN
82
DELISTED
Seagen Inc. Common Stock
SGEN
$42.4M 0.34%
645,080
+8,778
+1% +$548K
MKC icon
83
McCormick & Company Non-Voting
MKC
$13.8B
$42.2M 0.34%
865,996
-40,432
-4% -$1.96M
TDG icon
84
TransDigm Group
TDG
$69.9B
$41.7M 0.34%
189,160
-69,277
-27% -$16.5M
KMX icon
85
CarMax
KMX
$8.25B
$40.5M 0.33%
651,026
+5,747
+0.9% +$373K
NFLX icon
86
Netflix
NFLX
$301B
$39.6M 0.32%
2,788,210
+267,260
+11% +$3.75M
SYK icon
87
Stryker
SYK
$123B
$38.3M 0.31%
294,688
+16,896
+6% +$2.13M
WEX icon
88
WEX
WEX
$6.31B
$36.3M 0.29%
344,179
-1,173
-0.3% -$130K
WFC icon
89
Wells Fargo
WFC
$259B
$36M 0.29%
627,720
+43,126
+7% +$2.45M
PEP icon
90
PepsiCo
PEP
$190B
$35.8M 0.29%
323,153
-22,949
-7% -$2.46M
CVX icon
91
Chevron
CVX
$384B
$35.7M 0.29%
325,769
+43,508
+15% +$4.88M
ABT icon
92
Abbott
ABT
$179B
$35.4M 0.29%
789,861
+39,276
+5% +$1.7M
EFA icon
93
iShares MSCI EAFE ETF
EFA
$77.8B
$35.1M 0.28%
576,829
-35,850
-6% -$2.17M
VBK icon
94
Vanguard Morningstar Small-Cap Growth ETF
VBK
$23.3B
$34.9M 0.28%
248,260
+102,879
+71% +$14.2M
PAYX icon
95
Paychex
PAYX
$40.8B
$34.7M 0.28%
578,168
+8,296
+1% +$504K
SDY icon
96
State Street SPDR S&P Dividend ETF
SDY
$21.6B
$34.4M 0.28%
387,179
+136,027
+54% +$11.9M
PANW icon
97
Palo Alto Networks
PANW
$269B
$33.5M 0.27%
1,330,368
+33,036
+3% +$739K
CSCO icon
98
Cisco
CSCO
$458B
$33.5M 0.27%
983,393
+298,584
+44% +$9.68M
SU icon
99
Suncor Energy
SU
$78.9B
$33.1M 0.27%
1,075,590
-16,003
-1% -$504K
EVH icon
100
Evolent Health
EVH
$362M
$32.7M 0.26%
1,662,021
+113,198
+7% +$2.17M
2 3
4
5 6

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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.