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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
+8.77%
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
$12.4B
AUM Growth
+$1.23B
Cap. Flow
+$420M
Cap. Flow %
3.39%
Top 10 Hldgs %
17.91%
Holding
1,607
New
193
Increased
600
Reduced
460
Closed
133

Top Buys

Rank Stock Value
1
WAB icon
Wabtec
WAB
+$31.4M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$28.5M
3
VIG icon
Vanguard Dividend Appreciation ETF
VIG
+$26M
4
VEEV icon
Veeva Systems
VEEV
+$25M
5
PGR icon
Progressive
PGR
+$20.8M

Top Sells

Rank Stock Value
1
IDXX icon
Idexx Laboratories
IDXX
+$32.3M
2
MJN
Mead Johnson Nutrition Company
MJN
+$27.1M
3
TSCO icon
Tractor Supply
TSCO
+$23M
4
WM icon
Waste Management
WM
+$19.1M
5
TDG icon
TransDigm Group
TDG
+$16.5M

Sector Composition

Rank Sector Weight
1 Healthcare 18.3%
2 Technology 16.24%
3 Financials 13.61%
4 Industrials 11.16%
5 Consumer Discretionary 9.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
GLUU
1276
DELISTED
Glu Mobile Inc.
GLUU
$87K ﹤0.01%
44,900
– –
PRAA icon
1277
CALL
PRA Group
PRAA
$663M
$86K ﹤0.01%
2,600
+100
+4% +$3.75K
TCS
1278
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
$86K ﹤0.01%
1,360
-7
-0.5% -$484
WPM icon
1279
CALL
Wheaton Precious Metals
WPM
$49.5B
$83K ﹤0.01%
4,000
+1,000
+33% +$20.8K
PTLA
1280
CALL
DELISTED
Portola Pharmaceuticals, Inc.
PTLA
$82K ﹤0.01%
2,100
-3,900
-65% -$124K
CBOE icon
1281
CALL
Cboe Global Markets
CBOE
$32.5B
$81K ﹤0.01%
+1,000
New +$78.2K
MITK icon
1282
Mitek Systems
MITK
$754M
$79K ﹤0.01%
+12,602
New +$77.7K
SREV
1283
DELISTED
ServiceSource International, Inc.
SREV
$78K ﹤0.01%
19,800
-17,000
-46% -$80.6K
EW icon
1284
CALL
Edwards Lifesciences
EW
$49.6B
$75K ﹤0.01%
2,400
– –
HIO
1285
Western Asset High Income Opportunity Fund
HIO
$336M
$75K ﹤0.01%
14,980
– –
TCF.WS
1286
DELISTED
TCF Financial Corporation
TCF.WS
$74K ﹤0.01%
34,250
+5,500
+19% +$14.7K
NM
1287
DELISTED
Navios Maritime Holdings Inc.
NM
$71K ﹤0.01%
+4,200
New +$75.6K
AVP
1288
DELISTED
Avon Products, Inc.
AVP
$71K ﹤0.01%
16,246
+2,200
+16% +$11K
SRRA
1289
DELISTED
Sierra Oncology, Inc. Common Stock
SRRA
$70K ﹤0.01%
1,149
– –
AWRE icon
1290
Aware
AWRE
$26M
$69K ﹤0.01%
14,000
-900
-6% -$4.84K
THS
1291
CALL
DELISTED
Treehouse Foods
THS
$68K ﹤0.01%
+800
New +$64.1K
TDG icon
1292
CALL
TransDigm Group
TDG
$70.2B
$66K ﹤0.01%
300
– –
SO icon
1293
CALL
Southern Company
SO
$109B
$65K ﹤0.01%
+1,300
New +$64.2K
TVIA
1294
DELISTED
TerraVia Holdings, Inc. Common Stock
TVIA
$64K ﹤0.01%
68,057
-3,000
-4% -$2.79K
AYI icon
1295
CALL
Acuity Brands
AYI
$9.83B
$61K ﹤0.01%
+300
New +$63.4K
CSCO icon
1296
CALL
Cisco
CSCO
$457B
$61K ﹤0.01%
1,800
-1,200
-40% -$38.9K
RBBN icon
1297
Ribbon Communications
RBBN
$377M
$60K ﹤0.01%
10,200
-4,915
-33% -$31.1K
SGMO
1298
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
$60K ﹤0.01%
11,600
– –
ABBV icon
1299
CALL
AbbVie
ABBV
$443B
$59K ﹤0.01%
900
+200
+29% +$12.6K
GLD icon
1300
CALL
SPDR Gold Trust
GLD
$131B
$59K ﹤0.01%
+500
New +$58.1K
50 51
52
53 54

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William Blair & Company's Q1 2017 Portfolio in Review

As of Q1 2017, William Blair & Company held 1,607 positions worth $12.4B, up 11% from $11.2B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company deployed $420M of net new capital in Q1 2017, opening 193 new positions and adding to 600 existing holdings. Its largest new stake was Park-Ohio Holdings: 200,527 shares worth $8.95M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 18% a quarter earlier, followed by Technology and Financials.

On the sell side, the largest reduction was Idexx Laboratories, an estimated $32.3M trimmed.

  • William Blair & Company's largest Q1 2017 buy was Park-Ohio Holdings: 200,527 shares worth $8.95M.
  • William Blair & Company added most to Wabtec in Q1 2017, an estimated $31.4M increase.
  • William Blair & Company's biggest Q1 2017 reduction was Idexx Laboratories, cutting an estimated $32.3M.
  • William Blair & Company fully exited Hennessy Capital Acquisition Corp. Unit in Q1 2017, selling an estimated $5.55M.
  • William Blair & Company's ten largest holdings make up 18% of its $12.4B portfolio in Q1 2017.
  • William Blair & Company opened 193 new positions and closed 133 in Q1 2017.
  • William Blair & Company's portfolio value rose 11% quarter-over-quarter to $12.4B.

Based on William Blair & Company's 13F filing for Q1 2017, filed 10 May 2017.