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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
RSO.PRC
1576
DELISTED
Resource Capital Corp.
RSO.PRC
– –
-17,000
Closed -$421K
WIN
1577
DELISTED
Windstream Holdings Inc
WIN
– –
-2,274
Closed -$44K
ECCZ.CL
1578
DELISTED
Eagle Point Credit Company Inc.
ECCZ.CL
– –
-8,000
Closed -$205K
CBI
1579
CALL
DELISTED
Chicago Bridge & Iron Nv
CBI
– –
-7,100
Closed -$140K
BUFF
1580
DELISTED
Blue Buffalo Pet Products, Inc
BUFF
– –
-12,577
Closed -$287K
NVIV
1581
DELISTED
InVivo Therapeutics Holdings Corp
NVIV
– –
-3
Closed -$159K
BIVV
1582
DELISTED
Bioverativ Inc. Common Stock
BIVV
– –
-11,033
Closed -$664K
SNI
1583
DELISTED
Scripps Networks Interactive, Inc Common Class A
SNI
– –
-2,941
Closed -$201K
BETR
1584
CALL
DELISTED
Amplify Snack Brands, Inc.
BETR
– –
-1,200
Closed -$12K
RICE
1585
DELISTED
Rice Energy Inc.
RICE
– –
-13,000
Closed -$346K
CAB
1586
DELISTED
Cabela's Inc
CAB
– –
-4,366
Closed -$259K
WBMD
1587
DELISTED
WebMD Health Corp.
WBMD
– –
-4,985
Closed -$292K
MACK
1588
DELISTED
Merrimack Pharmaceuticals, Inc.
MACK
– –
-7,506
Closed -$73K
DD
1589
DELISTED
Du Pont De Nemours E I
DD
– –
-49,777
Closed -$4.02M
NVDQ
1590
DELISTED
Novadaq Technologies Inc.
NVDQ
– –
-578,150
Closed -$6.78M
MBLY
1591
DELISTED
Mobileye N.V.
MBLY
– –
-108,026
Closed -$6.78M
WFM
1592
DELISTED
Whole Foods Market Inc
WFM
– –
-57,782
Closed -$2.43M
TVIA
1593
DELISTED
TerraVia Holdings, Inc. Common Stock
TVIA
– –
-59,282
Closed -$14K
SPNC
1594
DELISTED
Spectranetics Corp
SPNC
– –
-28,100
Closed -$1.08M
RAI
1595
DELISTED
Reynolds American Inc
RAI
– –
-23,621
Closed -$1.54M
PNRA
1596
DELISTED
Panera Bread Co
PNRA
– –
-12,403
Closed -$3.9M
KATE
1597
DELISTED
Kate Spade & Company
KATE
– –
-36,128
Closed -$668K
CCN
1598
DELISTED
CardConnect Corp.
CCN
– –
-16,586
Closed -$250K
OKS
1599
DELISTED
Oneok Partners LP
OKS
– –
-96,477
Closed -$4.93M
PVTBP
1600
DELISTED
PrivateBancorp, Inc. Capital Trust IV Trust Preferred
PVTBP
– –
-10,059
Closed -$254K
62 63
64
65 66

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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.