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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
WAGE
126
DELISTED
WageWorks, Inc.
WAGE
$28M 0.19%
451,785
-5,839
-1% -$366K
NVDA icon
127
NVIDIA
NVDA
$4.72T
$27.5M 0.19%
5,677,240
+920
+0% +$4.57K
RTN
128
DELISTED
Raytheon Company
RTN
$26.8M 0.18%
142,533
+38,594
+37% +$7.2M
AXDX
129
DELISTED
Accelerate Diagnostics
AXDX
$26.7M 0.18%
101,976
+7,247
+8% +$1.7M
CERN
130
DELISTED
Cerner Corp
CERN
$26.1M 0.18%
387,328
-10,000
-3% -$691K
CVS icon
131
CVS Health
CVS
$134B
$25.9M 0.18%
357,387
+98,663
+38% +$7.17M
T icon
132
AT&T
T
$159B
$25.7M 0.17%
876,843
+22,589
+3% +$617K
SMG icon
133
ScottsMiracle-Gro
SMG
$3.97B
$25.7M 0.17%
240,168
-1,491
-0.6% -$149K
MDT icon
134
Medtronic
MDT
$110B
$25.5M 0.17%
315,273
+47,395
+18% +$3.8M
BRK.A icon
135
Berkshire Hathaway Class A
BRK.A
$1.1T
$24.7M 0.17%
83
+6
+8% +$1.71M
VZ icon
136
Verizon
VZ
$193B
$24.6M 0.17%
464,520
-1,354
-0.3% -$66.6K
NVS icon
137
Novartis
NVS
$301B
$24.3M 0.17%
323,403
+119,710
+59% +$9.03M
PM icon
138
Philip Morris
PM
$299B
$24.3M 0.17%
230,214
+6,741
+3% +$718K
MRK icon
139
Merck
MRK
$321B
$24.2M 0.16%
451,479
+1,242
+0.3% +$68.9K
TMO icon
140
Thermo Fisher Scientific
TMO
$214B
$24M 0.16%
126,624
+4,641
+4% +$889K
PCTY icon
141
Paylocity
PCTY
$7.32B
$23.9M 0.16%
506,834
-20,076
-4% -$974K
AON icon
142
Aon
AON
$78.3B
$23.7M 0.16%
176,555
-3,578
-2% -$509K
MMP
143
DELISTED
Magellan Midstream Partners, L.P.
MMP
$23.4M 0.16%
329,476
-6,264
-2% -$427K
PXD
144
DELISTED
Pioneer Natural Resource Co.
PXD
$23M 0.16%
133,018
-3,562
-3% -$549K
TIP icon
145
iShares TIPS Bond ETF
TIP
$14.5B
$22.6M 0.15%
198,275
+6,228
+3% +$708K
NKE icon
146
Nike
NKE
$62.7B
$22.6M 0.15%
361,511
+96,780
+37% +$5.56M
EPD icon
147
Enterprise Products Partners
EPD
$82.5B
$22.5M 0.15%
847,540
+9,590
+1% +$243K
IBM icon
148
IBM
IBM
$209B
$21.7M 0.15%
148,071
+34,577
+30% +$5.03M
IWM icon
149
iShares Russell 2000 ETF
IWM
$80.2B
$21.5M 0.15%
141,316
+1,797
+1% +$270K
TXN icon
150
Texas Instruments
TXN
$255B
$21.3M 0.14%
203,495
+810
+0.4% +$78.9K
4 5
6
7 8

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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.