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 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
ABMD
51
DELISTED
Abiomed Inc
ABMD
$71.2M 0.48%
379,886
-19,036
-5% -$3.55M
CL icon
52
Colgate-Palmolive
CL
$74.8B
$69.8M 0.47%
924,488
-15,543
-2% -$1.13M
CHKP icon
53
Check Point Software Technologies
CHKP
$14.3B
$69.7M 0.47%
672,292
-9,382
-1% -$1.02M
WBA
54
DELISTED
Walgreens Boots Alliance
WBA
$66.6M 0.45%
916,918
-192,679
-17% -$13.6M
AMT icon
55
American Tower
AMT
$83.5B
$64.7M 0.44%
453,610
+8,702
+2% +$1.24M
SYK icon
56
Stryker
SYK
$135B
$63.9M 0.43%
412,555
+99,547
+32% +$15.2M
CVX icon
57
Chevron
CVX
$382B
$63.7M 0.43%
509,011
+95,073
+23% +$11.3M
SCHW
58
Charles Schwab
SCHW
$182B
$63.4M 0.43%
1,233,813
+21,811
+2% +$1.02M
BKNG icon
59
Booking.com
BKNG
$156B
$61M 0.41%
877,275
-10,600
-1% -$768K
AME icon
60
Ametek
AME
$53.9B
$59.3M 0.4%
818,728
-6,534
-0.8% -$455K
DXCM icon
61
DexCom
DXCM
$29B
$59M 0.4%
4,112,168
-361,056
-8% -$4.69M
VTV icon
62
Vanguard Morningstar Value ETF
VTV
$188B
$57.1M 0.39%
537,311
+26,333
+5% +$2.72M
FISV
63
Fiserv Inc
FISV
$29.7B
$56.7M 0.38%
864,670
-22,122
-2% -$1.43M
COST icon
64
Costco
COST
$432B
$56.5M 0.38%
303,348
-62,959
-17% -$10.9M
EW icon
65
Edwards Lifesciences
EW
$49.4B
$55.2M 0.37%
1,468,134
-41,889
-3% -$1.54M
ALGN icon
66
Align Technology
ALGN
$12.9B
$54.2M 0.37%
243,944
-19,202
-7% -$4.36M
BFAM icon
67
Bright Horizons
BFAM
$4.35B
$53.9M 0.37%
573,556
-14,930
-3% -$1.32M
SLB icon
68
SLB Ltd
SLB
$72.7B
$52.2M 0.35%
774,290
-191,865
-20% -$12.4M
NFLX icon
69
Netflix
NFLX
$307B
$51.1M 0.35%
2,659,540
-37,050
-1% -$713K
VYM icon
70
Vanguard High Dividend Yield ETF
VYM
$80.8B
$50.8M 0.35%
593,515
+626
+0.1% +$52.3K
EFA icon
71
iShares MSCI EAFE ETF
EFA
$76.4B
$50.3M 0.34%
715,205
+5,532
+0.8% +$385K
WEX icon
72
WEX
WEX
$6.42B
$50.1M 0.34%
355,082
+7,321
+2% +$916K
ADP icon
73
Automatic Data Processing
ADP
$109B
$50M 0.34%
426,478
-7,664
-2% -$876K
XOM icon
74
ExxonMobil
XOM
$650B
$49.7M 0.34%
594,708
+436
+0.1% +$36.1K
LOW icon
75
Lowe's Companies
LOW
$121B
$49.3M 0.33%
530,203
-8,973
-2% -$742K

Similar funds

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.