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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
RHP icon
751
Ryman Hospitality Properties
RHP
$8.43B
$973K 0.01%
14,092
-989
-7% -$66.1K
NLSN
752
DELISTED
Nielsen Holdings plc
NLSN
$972K 0.01%
26,696
+977
+4% +$37.1K
ABCB icon
753
Ameris Bancorp
ABCB
$5.85B
$969K 0.01%
20,112
– –
BTI icon
754
British American Tobacco
BTI
$131B
$962K 0.01%
14,353
-467
-3% -$30.4K
TAN icon
755
Invesco Solar ETF
TAN
$1.42B
$960K 0.01%
+38,200
New +$912K
TCP
756
DELISTED
TC Pipelines LP
TCP
$958K 0.01%
18,034
– –
EMB icon
757
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$15B
$947K 0.01%
8,158
-10,997
-57% -$1.27M
XLB icon
758
State Street Materials Select Sector SPDR ETF
XLB
$8.5B
$947K 0.01%
31,282
+456
+1% +$13.4K
CSX icon
759
CSX Corp
CSX
$93.4B
$940K 0.01%
51,252
-2,520
-5% -$44.6K
VG
760
DELISTED
Vonage Holdings Corporation
VG
$939K 0.01%
92,308
– –
CAG icon
761
Conagra Brands
CAG
$6.94B
$938K 0.01%
24,891
+3,456
+16% +$123K
TRI icon
762
Thomson Reuters
TRI
$42.8B
$936K 0.01%
18,495
-735
-4% -$38.4K
MGA icon
763
Magna International
MGA
$18.7B
$929K 0.01%
16,387
-1,176
-7% -$64.7K
DRI icon
764
Darden Restaurants
DRI
$23.3B
$928K 0.01%
9,664
+2,975
+44% +$251K
PCAR icon
765
PACCAR
PCAR
$69.8B
$927K 0.01%
19,554
+9
+0% +$426
FSP
766
Franklin Street Properties
FSP
$47.2M
$926K 0.01%
86,193
-10,000
-10% -$105K
SSYS icon
767
Stratasys
SSYS
$679M
$926K 0.01%
46,411
-9,510
-17% -$207K
PII icon
768
Polaris
PII
$3.82B
$922K 0.01%
7,437
-158
-2% -$18.7K
IGF icon
769
iShares Global Infrastructure ETF
IGF
$10.9B
$916K 0.01%
20,259
-4,848
-19% -$221K
SUSA icon
770
iShares ESG Optimized MSCI USA ETF
SUSA
$4.01B
$916K 0.01%
16,490
-28
-0.2% -$1.52K
VRTX icon
771
Vertex Pharmaceuticals
VRTX
$121B
$902K 0.01%
6,017
+14
+0.2% +$2.07K
LAUR icon
772
Laureate Education
LAUR
$5.28B
$897K 0.01%
66,153
-37,041
-36% -$485K
UEIC icon
773
Universal Electronics
UEIC
$57.8M
$888K 0.01%
18,786
-20,712
-52% -$1.15M
JEF icon
774
Jefferies Financial Group
JEF
$12.6B
$886K 0.01%
37,369
-21,415
-36% -$494K
IEI icon
775
iShares 3-7 Year Treasury Bond ETF
IEI
$18.1B
$883K 0.01%
7,232
-1,557
-18% -$191K
29 30
31
32 33

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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.