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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
LUX
1601
DELISTED
Luxottica Group
LUX
– –
-7,015
Closed -$409K
ESSX
1602
DELISTED
ESSEX RENTAL CORP. COMMON STOCK
ESSX
– –
-203,700
Closed -$45K
FFNM
1603
DELISTED
FIRST FEDERAL OF NORTHERN MICHIGAN BANCORP, INC.
FFNM
– –
-71,292
Closed -$570K
FMSA
1604
CALL
DELISTED
Fairmount Santrol Holdings Inc.
FMSA
– –
-1,000
Closed -$4K
FMSA
1605
DELISTED
Fairmount Santrol Holdings Inc.
FMSA
– –
-72,963
Closed -$285K
ZGNX
1606
CALL
DELISTED
Zogenix, Inc.
ZGNX
– –
-36,100
Closed -$523K
ZGNX
1607
DELISTED
Zogenix, Inc.
ZGNX
– –
-54,537
Closed -$791K
AOI
1608
DELISTED
Alliance One International
AOI
– –
-66,200
Closed -$953K
VE
1609
DELISTED
VEOLIA ENVIRONNEMENT
VE
– –
-46,996
Closed -$994K
DVR
1610
DELISTED
CAL DIVE INTERNATIONAL INC COM
DVR
– –
-38,000
Closed –
SI
1611
DELISTED
SIEMENS AKTIENGESELLSCHAFT ADS
SI
– –
-105,999
Closed -$7.33M
SAB
1612
DELISTED
GRUPO CASA SABA SA DE CV ADS
SAB
– –
-11,359
Closed -$296K
CTIC
1613
DELISTED
CTI BioPharma Corp. (DE) Common Stock
CTIC
– –
-51,198
Closed -$169K
VLNC
1614
DELISTED
VALENCE TECHNOLOGY INC
VLNC
– –
-36,000
Closed –
CAVM
1615
CALL
DELISTED
Cavium, Inc.
CAVM
– –
-600
Closed -$37K
FNM.PRI
1616
DELISTED
FANNIE MAE 5.375% NON-CUM PFD
FNM.PRI
– –
-10,000
Closed -$80K
XL
1617
DELISTED
XL Group Ltd.
XL
– –
-21,195
Closed -$928K
DT
1618
DELISTED
DEUTSCHE TELEKOM AG ADS (1ORD)
DT
– –
-19,390
Closed -$348K
AXA
1619
DELISTED
AXA ADS (1 ORD SHS)
AXA
– –
-110,935
Closed -$3.06M
IFX
1620
DELISTED
INFINEON TECH AG ADS(REP1 ORD)
IFX
– –
-15,082
Closed -$321K
ABPI
1621
DELISTED
Accentia Biopharmaceuticals
ABPI
– –
-17,500
Closed –
ATVI
1622
CALL
DELISTED
Activision Blizzard
ATVI
– –
-200
Closed -$12K
CRYO
1623
DELISTED
CRYOCOR, INC.
CRYO
– –
-11,250
Closed -$5K
BAY
1624
DELISTED
BAYER AG SPONS ADR
BAY
– –
-5,352
Closed -$694K
GG.WS.A
1625
CALL
DELISTED
GOLDCORP INC SERIES A WARRANTS EXP 5/30/2007
GG.WS.A
– –
-44,300
Closed -$572K
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.