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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
ECL icon
26
Ecolab
ECL
$78.8B
$120M 0.82%
895,116
+21,405
+2% +$2.85M
VUG icon
27
Vanguard Growth ETF
VUG
$214B
$118M 0.8%
5,051,106
+313,908
+7% +$7.21M
PYPL icon
28
PayPal
PYPL
$50.7B
$117M 0.79%
1,585,183
+154,217
+11% +$11.2M
WDAY icon
29
Workday
WDAY
$41.6B
$113M 0.77%
1,114,412
+151,690
+16% +$16.2M
EOG icon
30
EOG Resources
EOG
$77.1B
$113M 0.77%
1,047,523
+14,312
+1% +$1.44M
GILD icon
31
Gilead Sciences
GILD
$167B
$111M 0.76%
1,553,147
+5,011
+0.3% +$381K
CSGP icon
32
CoStar Group
CSGP
$12.2B
$102M 0.69%
3,427,760
-83,480
-2% -$2.45M
ITW icon
33
Illinois Tool Works
ITW
$83.9B
$101M 0.68%
604,249
+252
+0% +$40.2K
HD icon
34
Home Depot
HD
$341B
$100M 0.68%
529,980
-4,068
-0.8% -$702K
VEU icon
35
Vanguard FTSE All-World ex-US ETF
VEU
$65.1B
$100M 0.68%
1,833,157
+507,178
+38% +$27.3M
FTV icon
36
Fortive
FTV
$18B
$96M 0.65%
2,103,325
+107,132
+5% +$4.91M
VRSK icon
37
Verisk Analytics
VRSK
$28.2B
$94.3M 0.64%
982,379
+83,158
+9% +$7.53M
BRK.B icon
38
Berkshire Hathaway Class B
BRK.B
$1.1T
$92.9M 0.63%
468,532
+43,407
+10% +$8.24M
INGN icon
39
Inogen
INGN
$174M
$89.4M 0.61%
750,372
-84,868
-10% -$9.34M
GWRE icon
40
Guidewire Software
GWRE
$13.8B
$88.3M 0.6%
1,188,691
+62,981
+6% +$4.86M
VIG icon
41
Vanguard Dividend Appreciation ETF
VIG
$112B
$86.9M 0.59%
852,015
+30,988
+4% +$3.05M
ACN icon
42
Accenture
ACN
$107B
$84.1M 0.57%
549,287
+11,563
+2% +$1.68M
PGR icon
43
Progressive
PGR
$128B
$82.7M 0.56%
1,468,235
+163,838
+13% +$8.48M
APH icon
44
Amphenol
APH
$185B
$82.2M 0.56%
3,746,100
-50,832
-1% -$1.12M
ABBV icon
45
AbbVie
ABBV
$471B
$79.6M 0.54%
822,615
+8,163
+1% +$769K
UNP icon
46
Union Pacific
UNP
$174B
$78.7M 0.53%
586,861
-8,369
-1% -$1.01M
PG icon
47
Procter & Gamble
PG
$338B
$76.7M 0.52%
835,252
+112,022
+15% +$10.1M
NTRS icon
48
Northern Trust
NTRS
$22B
$76.2M 0.52%
762,616
+4,081
+0.5% +$389K
PX
49
DELISTED
Praxair Inc
PX
$75.1M 0.51%
485,648
+16,607
+4% +$2.46M
CELG
50
DELISTED
Celgene Corp
CELG
$72M 0.49%
689,979
-28,464
-4% -$3.21M
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.