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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
TRGP icon
726
Targa Resources
TRGP
$58B
$1.09M 0.01%
22,425
+7,578
+51% +$339K
ESI icon
727
Element Solutions
ESI
$8.95B
$1.08M 0.01%
108,600
-3,813
-3% -$39.6K
SHY icon
728
iShares 1-3 Year Treasury Bond ETF
SHY
$25.5B
$1.07M 0.01%
12,804
-1,418
-10% -$119K
KLAC icon
729
KLA
KLAC
$239B
$1.07M 0.01%
101,890
+82,790
+433% +$873K
NGG icon
730
National Grid
NGG
$80.4B
$1.07M 0.01%
20,546
– –
NUAN
731
DELISTED
Nuance Communications, Inc.
NUAN
$1.06M 0.01%
74,591
-2,079
-3% -$28K
LNT icon
732
Alliant Energy
LNT
$18.3B
$1.05M 0.01%
24,595
+1,014
+4% +$44.2K
EZU icon
733
iShare MSCI Eurozone ETF
EZU
$9.64B
$1.04M 0.01%
24,081
-502
-2% -$21.8K
CIGI icon
734
Colliers International
CIGI
$5.04B
$1.04M 0.01%
17,303
+32
+0.2% +$1.85K
CNK icon
735
Cinemark Holdings
CNK
$4.24B
$1.04M 0.01%
29,977
-2,250
-7% -$79.8K
VDC icon
736
Vanguard Consumer Staples ETF
VDC
$7.97B
$1.04M 0.01%
7,104
+217
+3% +$30.6K
CDW icon
737
CDW
CDW
$18.9B
$1.03M 0.01%
14,888
-239
-2% -$16.4K
CBM
738
DELISTED
Cambrex Corporation
CBM
$1.03M 0.01%
21,526
+1,695
+9% +$84K
KBE icon
739
State Street SPDR S&P Bank ETF
KBE
$1.64B
$1.03M 0.01%
21,790
-500
-2% -$23K
TMX
740
DELISTED
Terminix Global Holdings, Inc.
TMX
$1.02M 0.01%
29,711
-2,065
-6% -$66.5K
APA icon
741
APA Corp
APA
$13.2B
$1.02M 0.01%
24,062
-4,095
-15% -$172K
MNDT
742
DELISTED
Mandiant, Inc. Common Stock
MNDT
$1.02M 0.01%
71,560
+21,786
+44% +$331K
LOPE icon
743
Grand Canyon Education
LOPE
$3.79B
$1.01M 0.01%
11,281
-1,472
-12% -$133K
RCL icon
744
Royal Caribbean
RCL
$85.1B
$1M 0.01%
8,389
-549
-6% -$67.9K
OPLN
745
Openlane
OPLN
$4.21B
$998K 0.01%
52,182
+34
+0.1% +$630
SPAB icon
746
State Street SPDR Portfolio Aggregate Bond ETF
SPAB
$9.76B
$997K 0.01%
+34,692
New +$999K
VTHR icon
747
Vanguard Russell 3000 ETF
VTHR
$4.67B
$987K 0.01%
+8,040
New +$961K
GWX icon
748
State Street SPDR S&P International Small Cap ETF
GWX
$856M
$980K 0.01%
27,612
+2,914
+12% +$103K
ARW icon
749
Arrow Electronics
ARW
$11.1B
$976K 0.01%
12,140
-705
-5% -$56.6K
DVN icon
750
Devon Energy
DVN
$52.1B
$974K 0.01%
23,528
-2,590
-10% -$98K
28 29
30
31 32

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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.