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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
+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
AAPL icon
1
Apple
AAPL
$5.01T
$469M 3.19%
11,096,700
-54,904
-0.5% -$2.29M
V icon
2
Visa
V
$709B
$335M 2.27%
2,937,172
+438
+0% +$48.4K
AMZN icon
3
Amazon
AMZN
$2.46T
$334M 2.27%
5,715,660
+21,180
+0.4% +$1.17M
MSFT icon
4
Microsoft
MSFT
$2.93T
$307M 2.08%
3,590,664
+49,177
+1% +$4.03M
IDXX icon
5
Idexx Laboratories
IDXX
$45.1B
$279M 1.89%
1,781,154
-606
-0% -$95.4K
SBUX icon
6
Starbucks
SBUX
$119B
$247M 1.68%
4,302,089
+149,517
+4% +$8.46M
GOOG icon
7
Alphabet (Google) Class C
GOOG
$4.08T
$227M 1.54%
4,341,940
+2,716,900
+167% +$138M
META icon
8
Meta Platforms (Facebook)
META
$1.49T
$210M 1.43%
1,190,938
-3,627
-0.3% -$641K
ZTS icon
9
Zoetis
ZTS
$33B
$198M 1.34%
2,743,763
+38,023
+1% +$2.61M
MA icon
10
Mastercard
MA
$503B
$192M 1.3%
1,268,405
+33,375
+3% +$4.96M
RHT
11
DELISTED
Red Hat Inc
RHT
$168M 1.14%
1,396,163
-37,652
-3% -$4.62M
FAST icon
12
Fastenal
FAST
$54.4B
$166M 1.13%
12,165,216
+455,312
+4% +$5.64M
GOOGL icon
13
Alphabet (Google) Class A
GOOGL
$4.09T
$166M 1.12%
3,142,380
+1,222,800
+64% +$63.1M
DHR icon
14
Danaher
DHR
$141B
$160M 1.08%
1,939,466
-7,085
-0.4% -$576K
ADBE icon
15
Adobe
ADBE
$105B
$159M 1.08%
909,537
-50,238
-5% -$8.64M
WSO icon
16
Watsco Inc
WSO
$12.7B
$157M 1.07%
922,942
+19,622
+2% +$3.24M
ICE icon
17
Intercontinental Exchange
ICE
$87.5B
$155M 1.05%
2,197,935
+179,837
+9% +$12.3M
JPM icon
18
JPMorgan Chase
JPM
$927B
$147M 1%
1,377,403
+21,029
+2% +$2.13M
SPY icon
19
State Street SPDR S&P 500 ETF Trust
SPY
$775B
$147M 1%
551,167
+5,780
+1% +$1.5M
ULTI
20
DELISTED
Ultimate Software Group Inc
ULTI
$136M 0.93%
624,767
+51,220
+9% +$10.4M
CRM icon
21
Salesforce
CRM
$154B
$126M 0.86%
1,234,756
+8,979
+0.7% +$915K
VEEV icon
22
Veeva Systems
VEEV
$33.8B
$126M 0.85%
2,276,900
+277,522
+14% +$16.3M
JNJ icon
23
Johnson & Johnson
JNJ
$646B
$125M 0.85%
891,562
+82,235
+10% +$11.5M
GS icon
24
Goldman Sachs
GS
$291B
$122M 0.83%
480,553
+4,695
+1% +$1.15M
AMG icon
25
Affiliated Managers Group
AMG
$9.59B
$120M 0.82%
585,462
-36,358
-6% -$7.05M
1
2 3 4 5

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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.