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
+7.4%
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
$14.7B
AUM Growth
+$1.4B
Cap. Flow
+$534M
Cap. Flow %
3.62%
Top 10 Hldgs %
19%
Holding
1,488
New
131
Increased
528
Reduced
556
Closed
127

Top Buys

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$138M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$63.1M
3
DVAX
Dynavax Technologies
DVAX
+$39.8M
4
VEU icon
Vanguard FTSE All-World ex-US ETF
VEU
+$27.3M
5
VEEV icon
Veeva Systems
VEEV
+$16.3M

Top Sells

Rank Stock Value
1
ZD icon
Ziff Davis
ZD
+$22.1M
2
GE icon
GE Aerospace
GE
+$19.1M
3
EFX icon
Equifax
EFX
+$17.7M
4
NUVA
NuVasive, Inc.
NUVA
+$17.1M
5
WBA
Walgreens Boots Alliance
WBA
+$13.6M

Sector Composition

Rank Sector Weight
1 Healthcare 17.74%
2 Technology 17.58%
3 Financials 14.76%
4 Industrials 10.83%
5 Consumer Discretionary 9.09%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SDY icon
101
State Street SPDR S&P Dividend ETF
SDY
$22.1B
$37.1M 0.25%
392,969
-10,678
-3% -$1M
DVAX
102
DELISTED
Dynavax Technologies
DVAX
$37M 0.25%
+1,980,526
New +$39.8M
EVH icon
103
Evolent Health
EVH
$371M
$36.5M 0.25%
2,968,244
-170,516
-5% -$2.4M
BLK icon
104
Blackrock
BLK
$167B
$36.4M 0.25%
70,814
+1,369
+2% +$665K
SU icon
105
Suncor Energy
SU
$77.7B
$35.8M 0.24%
974,980
-10,055
-1% -$349K
SGEN
106
DELISTED
Seagen Inc. Common Stock
SGEN
$35.2M 0.24%
657,498
-7,892
-1% -$461K
CAT icon
107
Caterpillar
CAT
$361B
$35.2M 0.24%
223,125
+50,021
+29% +$6.94M
PFE icon
108
Pfizer
PFE
$143B
$34.9M 0.24%
1,014,924
+12,585
+1% +$429K
DIS icon
109
Walt Disney
DIS
$171B
$34.7M 0.24%
322,736
+93,273
+41% +$9.61M
VWO icon
110
Vanguard FTSE Emerging Markets ETF
VWO
$117B
$33.9M 0.23%
738,209
+41,056
+6% +$1.83M
CTAS icon
111
Cintas
CTAS
$86.6B
$33.4M 0.23%
858,348
-2,704
-0.3% -$103K
ISRG icon
112
Intuitive Surgical
ISRG
$127B
$33M 0.22%
271,368
-4,185
-2% -$524K
IRM icon
113
Iron Mountain
IRM
$35.9B
$32.6M 0.22%
864,367
+99,730
+13% +$3.96M
EXAS
114
DELISTED
Exact Sciences
EXAS
$31.9M 0.22%
607,313
-39,803
-6% -$2.13M
JBHT icon
115
JB Hunt Transport Services
JBHT
$25.9B
$31.7M 0.21%
275,315
-20,304
-7% -$2.19M
GE icon
116
GE Aerospace
GE
$364B
$31.5M 0.21%
376,923
-200,516
-35% -$19.1M
INTC icon
117
Intel
INTC
$413B
$31.2M 0.21%
674,936
+128,936
+24% +$5.63M
RP
118
DELISTED
RealPage, Inc.
RP
$31.1M 0.21%
702,602
+66,686
+10% +$2.91M
IEMG icon
119
iShares Core MSCI Emerging Markets ETF
IEMG
$144B
$31M 0.21%
544,222
+14,523
+3% +$811K
DD icon
120
DuPont de Nemours
DD
$18.6B
$30.9M 0.21%
171,582
+24,745
+17% +$4.46M
PAYX icon
121
Paychex
PAYX
$43.4B
$30.8M 0.21%
452,703
+4,569
+1% +$300K
WMT icon
122
Walmart Inc
WMT
$909B
$30.6M 0.21%
930,732
-23,016
-2% -$704K
BL icon
123
BlackLine
BL
$1.9B
$30.1M 0.2%
916,697
+138,663
+18% +$4.85M
MAR icon
124
Marriott International
MAR
$100B
$30M 0.2%
220,768
+1,049
+0.5% +$129K
BABA icon
125
Alibaba
BABA
$276B
$28.9M 0.2%
167,643
+6,230
+4% +$1.12M
3 4
5
6 7

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Daiwa Securities Group
Daiwa Securities Group Tokyo, Japan $34.8B AUM 20.7% 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

William Blair & Company's Q4 2017 Portfolio in Review

As of Q4 2017, William Blair & Company held 1,488 positions worth $14.7B, up 10% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company deployed $534M of net new capital in Q4 2017, opening 131 new positions and adding to 528 existing holdings. Its largest new stake was Dynavax Technologies: 1,980,526 shares worth $37M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 19% a quarter earlier, followed by Technology and Financials.

On the sell side, the largest reduction was Ziff Davis, an estimated $22.1M trimmed.

  • William Blair & Company's largest Q4 2017 buy was Dynavax Technologies: 1,980,526 shares worth $37M.
  • William Blair & Company added most to Alphabet (Google) Class C in Q4 2017, an estimated $138M increase.
  • William Blair & Company's biggest Q4 2017 reduction was Ziff Davis, cutting an estimated $22.1M.
  • William Blair & Company fully exited Bob Evans Farms, Inc. in Q4 2017, selling an estimated $12.5M.
  • William Blair & Company's ten largest holdings make up 19% of its $14.7B portfolio in Q4 2017.
  • William Blair & Company opened 131 new positions and closed 127 in Q4 2017.
  • William Blair & Company's portfolio value rose 10% quarter-over-quarter to $14.7B.

Based on William Blair & Company's 13F filing for Q4 2017, filed 14 Feb 2018.