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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 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
MMM icon
76
3M
MMM
$90.8B
$49.1M 0.33%
249,691
+12,096
+5% +$2.33M
KMX icon
77
CarMax
KMX
$8.33B
$48.1M 0.33%
749,453
-1,471
-0.2% -$105K
EXEL icon
78
Exelixis
EXEL
$14.1B
$48M 0.33%
1,577,447
+164,105
+12% +$4.37M
ESRX
79
DELISTED
Express Scripts Holding Company
ESRX
$47.8M 0.32%
640,228
-31,172
-5% -$1.99M
BA icon
80
Boeing
BA
$175B
$47.7M 0.32%
161,796
+3,559
+2% +$963K
VEA icon
81
Vanguard FTSE Developed Markets ETF
VEA
$230B
$46.9M 0.32%
1,045,396
+102,977
+11% +$4.55M
BMY icon
82
Bristol-Myers Squibb
BMY
$132B
$46.8M 0.32%
763,477
+22,832
+3% +$1.43M
TDG icon
83
TransDigm Group
TDG
$69.9B
$46M 0.31%
167,651
-1,717
-1% -$466K
LULU icon
84
lululemon athletica
LULU
$13.6B
$46M 0.31%
585,787
-5,747
-1% -$383K
AXP icon
85
American Express
AXP
$228B
$44.5M 0.3%
447,710
+4,351
+1% +$414K
CSCO icon
86
Cisco
CSCO
$448B
$44.2M 0.3%
1,153,019
+105,731
+10% +$3.78M
UPS icon
87
United Parcel Service
UPS
$89.5B
$44.1M 0.3%
370,356
+4,511
+1% +$530K
ABT icon
88
Abbott
ABT
$183B
$44.1M 0.3%
772,184
+12,200
+2% +$676K
INTU icon
89
Intuit
INTU
$86.3B
$42.5M 0.29%
269,189
+2,713
+1% +$413K
WAB icon
90
Wabtec
WAB
$49.4B
$42M 0.28%
515,393
-4,259
-0.8% -$326K
BAC icon
91
Bank of America
BAC
$433B
$41.4M 0.28%
1,402,707
+32,399
+2% +$893K
PEP icon
92
PepsiCo
PEP
$191B
$41.3M 0.28%
344,174
-4,892
-1% -$559K
MCD icon
93
McDonald's
MCD
$191B
$40.8M 0.28%
236,805
-991
-0.4% -$166K
MKC icon
94
McCormick & Company Non-Voting
MKC
$13.7B
$40.6M 0.28%
797,508
-18,148
-2% -$904K
BFH icon
95
Bread Financial
BFH
$4.47B
$39.2M 0.27%
193,853
-6,548
-3% -$1.21M
KRNT icon
96
Kornit Digital
KRNT
$695M
$39.2M 0.27%
2,425,297
+9,907
+0.4% +$156K
UNH icon
97
UnitedHealth
UNH
$383B
$39M 0.26%
176,852
+16,610
+10% +$3.52M
LLY icon
98
Eli Lilly
LLY
$1.03T
$38.1M 0.26%
450,907
+93,368
+26% +$7.94M
BWXT icon
99
BWX Technologies
BWXT
$15.2B
$37.9M 0.26%
626,505
-6,554
-1% -$395K
VBK icon
100
Vanguard Morningstar Small-Cap Growth ETF
VBK
$23.2B
$37.6M 0.26%
233,828
-11,416
-5% -$1.79M

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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.