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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
CBRE icon
776
CBRE Group
CBRE
$42.5B
$878K 0.01%
20,275
– –
TOVX icon
777
Theriva Biologics
TOVX
$9.64M
$877K 0.01%
+197
New +$1.23M
KERX
778
DELISTED
Keryx Biopharmaceuticals Inc
KERX
$875K 0.01%
188,100
-4,300
-2% -$23.7K
ELV icon
779
Elevance Health
ELV
$81.5B
$869K 0.01%
3,861
+469
+14% +$99.9K
FSLR icon
780
First Solar
FSLR
$22.7B
$869K 0.01%
12,875
+400
+3% +$23.5K
RBC icon
781
RBC Bearings
RBC
$17.4B
$868K 0.01%
6,871
-822
-11% -$103K
ROKU icon
782
Roku
ROKU
$21.5B
$868K 0.01%
+16,770
New +$578K
RY icon
783
Royal Bank of Canada
RY
$291B
$866K 0.01%
10,612
-132
-1% -$10.5K
POR icon
784
Portland General Electric
POR
$5.8B
$864K 0.01%
18,957
+13,220
+230% +$626K
IYR icon
785
iShares US Real Estate ETF
IYR
$4.66B
$863K 0.01%
10,651
+505
+5% +$41K
STT icon
786
State Street
STT
$50.6B
$857K 0.01%
8,785
-430
-5% -$41.1K
AX icon
787
Axos Financial
AX
$5.77B
$855K 0.01%
28,605
-1,300
-4% -$35.4K
PKG icon
788
Packaging Corp of America
PKG
$21.9B
$854K 0.01%
7,081
-513
-7% -$59.5K
DXYN
789
DELISTED
Dixie Group Inc
DXYN
$851K 0.01%
221,036
+8,761
+4% +$34.2K
GAIN icon
790
Gladstone Investment Corp
GAIN
$643M
$843K 0.01%
75,566
+5,437
+8% +$57.6K
BKLN icon
791
Invesco Senior Loan ETF
BKLN
$6.97B
$842K 0.01%
36,545
-3,127
-8% -$72.2K
GNRC icon
792
Generac Holdings
GNRC
$11.6B
$839K 0.01%
16,935
-1,600
-9% -$79.5K
FMBI
793
DELISTED
First Midwest Bancorp Inc/IL
FMBI
$835K 0.01%
34,776
– –
BPOP icon
794
Popular Inc
BPOP
$11.2B
$834K 0.01%
23,500
– –
HCR
795
DELISTED
Hi-Crush Inc. Common Stock
HCR
$831K 0.01%
77,650
-3,000
-4% -$30.1K
SCWX
796
DELISTED
SecureWorks Corp Class A Common Stock
SCWX
$825K 0.01%
92,996
+18,470
+25% +$189K
BHP icon
797
BHP
BHP
$215B
$823K 0.01%
20,057
-625
-3% -$23.5K
DIA icon
798
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$45.8B
$821K 0.01%
3,321
+101
+3% +$23.9K
SNY icon
799
Sanofi
SNY
$103B
$819K 0.01%
19,044
-4,429
-19% -$204K
OLED icon
800
Universal Display
OLED
$3.68B
$818K 0.01%
4,738
– –
30 31
32
33 34

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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.