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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
+4.57%
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
$13.3B
AUM Growth
+$17.7M
Cap. Flow
-$449M
Cap. Flow %
-3.37%
Top 10 Hldgs %
18.64%
Holding
1,772
New
130
Increased
581
Reduced
525
Closed
417

Top Buys

Rank Stock Value
1
WSO icon
Watsco Inc
WSO
+$36.3M
2
BL icon
BlackLine
BL
+$21.8M
3
EVH icon
Evolent Health
EVH
+$19.6M
4
PGR icon
Progressive
PGR
+$17.2M
5
JPM icon
JPMorgan Chase
JPM
+$16.9M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$115M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$66M
3
COST icon
Costco
COST
+$33M
4
XRAY icon
Dentsply Sirona
XRAY
+$30.5M
5
PRAA icon
PRA Group
PRAA
+$24.5M

Sector Composition

Rank Sector Weight
1 Healthcare 18.86%
2 Technology 17.6%
3 Financials 14.62%
4 Industrials 10.54%
5 Consumer Discretionary 8.84%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CECO icon
651
Ceco Environmental
CECO
$3.85B
$1.33M 0.01%
157,283
-2,500
-2% -$21.5K
LHCG
652
DELISTED
LHC Group LLC
LHCG
$1.33M 0.01%
18,770
+11,270
+150% +$723K
JEF icon
653
Jefferies Financial Group
JEF
$12.6B
$1.33M 0.01%
58,784
+29,924
+104% +$670K
BCE icon
654
BCE
BCE
$20.2B
$1.33M 0.01%
28,356
+2,064
+8% +$96.6K
BSX icon
655
Boston Scientific
BSX
$69.5B
$1.33M 0.01%
45,456
+3,177
+8% +$87.7K
HDV
656
iShares Core High Dividend ETF
HDV
$14.5B
$1.32M 0.01%
76,975
-10,170
-12% -$171K
AFL icon
657
Aflac
AFL
$64.9B
$1.31M 0.01%
32,226
+5,638
+21% +$227K
IVV icon
658
iShares Core S&P 500 ETF
IVV
$872B
$1.31M 0.01%
5,167
-38,516
-88% -$9.57M
IGSB icon
659
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$23B
$1.31M 0.01%
24,800
+2,480
+11% +$131K
AVB icon
660
AvalonBay Communities
AVB
$26.5B
$1.3M 0.01%
7,312
+91
+1% +$17.1K
DHS icon
661
WisdomTree US High Dividend Fund
DHS
$1.56B
$1.3M 0.01%
18,553
+6,133
+49% +$422K
EWU icon
662
iShares MSCI United Kingdom ETF
EWU
$4.14B
$1.29M 0.01%
37,100
-11,203
-23% -$380K
SSYS icon
663
Stratasys
SSYS
$679M
$1.29M 0.01%
55,921
-7,484
-12% -$173K
VTR icon
664
Ventas
VTR
$48B
$1.29M 0.01%
19,834
+1,695
+9% +$114K
APA icon
665
APA Corp
APA
$13.2B
$1.29M 0.01%
28,157
-34,142
-55% -$1.51M
XLP icon
666
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.9B
$1.28M 0.01%
23,789
+4,876
+26% +$268K
WIFI
667
DELISTED
Boingo Wireless, Inc.
WIFI
$1.26M 0.01%
58,825
-14,825
-20% -$272K
IMAX icon
668
IMAX
IMAX
$2.62B
$1.25M 0.01%
+55,368
New +$1.14M
ESI icon
669
Element Solutions
ESI
$8.95B
$1.25M 0.01%
112,413
+17,000
+18% +$211K
CEF icon
670
Sprott Physical Gold and Silver Trust
CEF
$7.4B
$1.23M 0.01%
97,316
+70,408
+262% +$889K
SPH icon
671
Suburban Propane Partners
SPH
$1.24B
$1.23M 0.01%
47,185
-1,825
-4% -$44.6K
UNG icon
672
United States Natural Gas Fund
UNG
$470M
$1.23M 0.01%
+11,670
New +$1.23M
APU
673
DELISTED
AmeriGas Partners, L.P.
APU
$1.22M 0.01%
27,074
+1,299
+5% +$57.3K
SWK icon
674
Stanley Black & Decker
SWK
$14.3B
$1.22M 0.01%
8,051
+40
+0.5% +$5.75K
VAW icon
675
Vanguard Materials ETF
VAW
$2.95B
$1.21M 0.01%
9,410
+442
+5% +$54.9K
25 26
27
28 29

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William Blair & Company's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair & Company held 1,772 positions worth $13.3B, up 0.13% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company withdrew a net $449M in Q3 2017, closing 417 positions and reducing 525 holdings. Its most notable exit was Dave & Buster's, an estimated $20.3M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, up from 19% a quarter earlier, followed by Technology and Financials.

Against the trend, William Blair & Company opened a new position in Quantenna Communications, Inc. Common Stock worth $9.07M.

  • William Blair & Company's largest Q3 2017 buy was Quantenna Communications, Inc. Common Stock: 539,590 shares worth $9.07M.
  • William Blair & Company added most to Watsco Inc in Q3 2017, an estimated $36.3M increase.
  • William Blair & Company's biggest Q3 2017 reduction was Alphabet (Google) Class C, cutting an estimated $115M.
  • William Blair & Company fully exited Dave & Buster's in Q3 2017, selling an estimated $20.3M.
  • William Blair & Company's ten largest holdings make up 19% of its $13.3B portfolio in Q3 2017.
  • William Blair & Company opened 130 new positions and closed 417 in Q3 2017.
  • William Blair & Company's portfolio value rose 0.13% quarter-over-quarter to $13.3B.

Based on William Blair & Company's 13F filing for Q3 2017, filed 13 Nov 2017.