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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

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
COWN
1076
DELISTED
Cowen Inc. Class A Common Stock
COWN
$328K ﹤0.01%
18,435
+460
+3% +$7.53K
WNS
1077
DELISTED
WNS Holdings
WNS
$326K ﹤0.01%
+8,938
New +$314K
ALGT icon
1078
Allegiant Air
ALGT
$2.64B
$324K ﹤0.01%
+2,460
New +$317K
CYBR
1079
DELISTED
CyberArk
CYBR
$320K ﹤0.01%
+7,805
New +$331K
VMI icon
1080
Valmont Industries
VMI
$9.3B
$320K ﹤0.01%
2,026
+240
+13% +$36.2K
ITUB icon
1081
Itaú Unibanco
ITUB
$93.2B
$319K ﹤0.01%
47,938
-15,721
-25% -$96K
CNA icon
1082
CNA Financial
CNA
$14.2B
$315K ﹤0.01%
6,259
-225
-3% -$11.3K
NTNX icon
1083
Nutanix
NTNX
$16B
$314K ﹤0.01%
14,005
-33,795
-71% -$739K
LSXMK
1084
DELISTED
Liberty Media Corporation Series C Liberty SiriusXM Common Stock
LSXMK
$314K ﹤0.01%
9,838
+45
+0.5% +$1.47K
PRAH
1085
DELISTED
PRA Health Sciences, Inc.
PRAH
$314K ﹤0.01%
4,125
NGHC
1086
DELISTED
National General Holdings Corp
NGHC
$314K ﹤0.01%
16,451
+2,363
+17% +$45.1K
AB icon
1087
AllianceBernstein
AB
$3.43B
$313K ﹤0.01%
12,899
+1,100
+9% +$26.5K
HLF icon
1088
Herbalife
HLF
$1.29B
$312K ﹤0.01%
9,194
-4,480
-33% -$153K
XRX icon
1089
Xerox
XRX
$387M
$311K ﹤0.01%
9,356
-1
-0% -$31
HUN icon
1090
Huntsman Corp
HUN
$1.71B
$310K ﹤0.01%
11,291
-438
-4% -$11.7K
DLX icon
1091
Deluxe
DLX
$1.18B
$309K ﹤0.01%
4,237
+37
+0.9% +$2.58K
CM icon
1092
Canadian Imperial Bank of Commerce
CM
$108B
$307K ﹤0.01%
+7,008
New +$300K
SGOL icon
1093
abrdn Physical Gold Shares ETF
SGOL
$6.91B
$307K ﹤0.01%
+24,740
New +$307K
WES icon
1094
Western Midstream Partners
WES
$19.2B
$306K ﹤0.01%
7,420
-350
-5% -$14.3K
AZZ icon
1095
AZZ Inc
AZZ
$4.35B
$304K ﹤0.01%
6,235
B
1096
Barrick Mining
B
$61.5B
$303K ﹤0.01%
18,813
-3,185
-14% -$53.3K
NDAQ icon
1097
Nasdaq
NDAQ
$52.7B
$302K ﹤0.01%
11,685
+351
+3% +$8.72K
GDXJ icon
1098
VanEck Junior Gold Miners ETF
GDXJ
$6.89B
$301K ﹤0.01%
8,973
-7,245
-45% -$245K
IDCC icon
1099
InterDigital
IDCC
$7.87B
$301K ﹤0.01%
4,080
-510
-11% -$37.3K
SJNK icon
1100
State Street SPDR Bloomberg Short Term High Yield Bond ETF
SJNK
$4.89B
$301K ﹤0.01%
+10,748
New +$300K

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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.