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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
AAPL icon
1
Apple
AAPL
$4.97T
$385M 3.11%
11,053,596
+355,604
+3% +$11.7M
IDXX icon
2
Idexx Laboratories
IDXX
$44.9B
$286M 2.3%
1,890,026
-234,542
-11% -$32.3M
V icon
3
Visa
V
$703B
$260M 2.09%
2,943,124
+49,161
+2% +$4.23M
AMZN icon
4
Amazon
AMZN
$2.44T
$240M 1.93%
5,599,160
+454,220
+9% +$18.9M
SBUX icon
5
Starbucks
SBUX
$118B
$228M 1.84%
3,954,958
-51,172
-1% -$2.9M
MSFT icon
6
Microsoft
MSFT
$2.9T
$212M 1.71%
3,247,857
+266,379
+9% +$17.1M
GOOG icon
7
Alphabet (Google) Class C
GOOG
$4.1T
$166M 1.34%
4,014,260
+377,540
+10% +$15.5M
META icon
8
Meta Platforms (Facebook)
META
$1.48T
$159M 1.28%
1,149,041
+82,409
+8% +$11M
FAST icon
9
Fastenal
FAST
$54.9B
$147M 1.19%
11,484,356
-13,316
-0.1% -$167K
DHR icon
10
Danaher
DHR
$138B
$140M 1.13%
1,845,894
+61,747
+3% +$4.6M
MA icon
11
Mastercard
MA
$497B
$139M 1.12%
1,243,186
+2,607
+0.2% +$286K
ZTS icon
12
Zoetis
ZTS
$32.6B
$130M 1.05%
2,430,593
+232,630
+11% +$12.6M
ADBE icon
13
Adobe
ADBE
$105B
$129M 1.04%
993,786
-28,704
-3% -$3.37M
SPY icon
14
State Street SPDR S&P 500 ETF Trust
SPY
$772B
$128M 1.03%
541,909
-7,734
-1% -$1.8M
RHT
15
DELISTED
Red Hat Inc
RHT
$126M 1.01%
1,456,560
-24,517
-2% -$1.95M
GOOGL icon
16
Alphabet (Google) Class A
GOOGL
$4.11T
$114M 0.92%
2,703,140
+676,680
+33% +$28.5M
AMG icon
17
Affiliated Managers Group
AMG
$9.54B
$110M 0.89%
664,609
+1,294
+0.2% +$205K
ECL icon
18
Ecolab
ECL
$79.7B
$108M 0.87%
864,887
+45,400
+6% +$5.55M
WBA
19
DELISTED
Walgreens Boots Alliance
WBA
$107M 0.86%
1,274,626
-23,846
-2% -$2M
GS icon
20
Goldman Sachs
GS
$289B
$106M 0.85%
426,766
+12,819
+3% +$3.1M
COST icon
21
Costco
COST
$432B
$104M 0.84%
613,112
+26,929
+5% +$4.51M
GILD icon
22
Gilead Sciences
GILD
$165B
$103M 0.83%
1,507,102
-61,855
-4% -$4.35M
ICE icon
23
Intercontinental Exchange
ICE
$87.4B
$102M 0.82%
1,738,510
+284,914
+20% +$16.7M
CRM icon
24
Salesforce
CRM
$154B
$100M 0.81%
1,225,813
+44,681
+4% +$3.57M
JPM icon
25
JPMorgan Chase
JPM
$919B
$99.7M 0.8%
1,114,722
+64,778
+6% +$5.71M
1
2 3 4 5

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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.