We are live on ! Find out more
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
BABA icon
176
Alibaba
BABA
$293B
$16.3M 0.13%
151,939
+19,840
+15% +$2.02M
AXP icon
177
American Express
AXP
$228B
$16.2M 0.13%
202,850
+35,624
+21% +$2.79M
MKTX icon
178
MarketAxess Holdings
MKTX
$5.71B
$15.7M 0.13%
80,505
-3,053
-4% -$553K
FICO icon
179
Fair Isaac
FICO
$24.2B
$15.6M 0.13%
120,291
+7,893
+7% +$1M
HEI icon
180
HEICO Corp
HEI
$49.8B
$15.6M 0.13%
436,077
-15,456
-3% -$515K
MD icon
181
Pediatrix Medical
MD
$2.17B
$15.4M 0.12%
220,630
-67,930
-24% -$4.72M
RMAX icon
182
RE/MAX Holdings
RMAX
$195M
$15.1M 0.12%
262,030
-2,900
-1% -$164K
HCSG icon
183
Healthcare Services Group
HCSG
$1.59B
$15M 0.12%
361,712
+8,103
+2% +$333K
TXN icon
184
Texas Instruments
TXN
$253B
$15M 0.12%
188,011
+7,786
+4% +$603K
IVZ icon
185
Invesco
IVZ
$13B
$15M 0.12%
488,820
-16,996
-3% -$531K
EXAS
186
DELISTED
Exact Sciences
EXAS
$14.6M 0.12%
652,298
+92,773
+17% +$1.84M
NVDA icon
187
NVIDIA
NVDA
$4.83T
$14.5M 0.12%
5,711,120
+265,240
+5% +$706K
AMGN icon
188
Amgen
AMGN
$208B
$14.1M 0.11%
82,271
-24,477
-23% -$4.07M
DD icon
189
DuPont de Nemours
DD
$18.6B
$14M 0.11%
87,623
-7,729
-8% -$1.2M
COTV
190
DELISTED
Cotiviti Holdings, Inc.
COTV
$14M 0.11%
373,503
+16,148
+5% +$588K
RP
191
DELISTED
RealPage, Inc.
RP
$13.9M 0.11%
412,593
+351,321
+573% +$11.5M
OZK icon
192
Bank OZK
OZK
$5.59B
$13.7M 0.11%
262,624
+258,586
+6,404% +$13.9M
CBOE icon
193
Cboe Global Markets
CBOE
$32B
$13.6M 0.11%
173,876
-236
-0.1% -$18.5K
KO icon
194
Coca-Cola
KO
$377B
$13.6M 0.11%
323,605
+44,756
+16% +$1.87M
LGND icon
195
Ligand Pharmaceuticals
LGND
$5.85B
$13.5M 0.11%
205,157
+21,343
+12% +$1.4M
MXL icon
196
MaxLinear
MXL
$6.18B
$13.5M 0.11%
499,584
+37,745
+8% +$968K
IUSV icon
197
iShares Core S&P US Value ETF
IUSV
$27.2B
$13.4M 0.11%
261,176
+3,920
+2% +$197K
MJN
198
DELISTED
Mead Johnson Nutrition Company
MJN
$13.4M 0.11%
151,493
-329,753
-69% -$27.1M
ULTA icon
199
Ulta Beauty
ULTA
$22.1B
$12.9M 0.1%
45,609
-1,260
-3% -$345K
USB icon
200
US Bancorp
USB
$98B
$12.5M 0.1%
233,722
-5,654
-2% -$301K
6 7
8
9 10

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
MML Investors Services
MML Investors Services Springfield, Massachusetts $36.1B AUM 19.68% 1-Year Est. Return

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.