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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
TACO
1251
DELISTED
Del Taco Restaurants, Inc. Common Stock
TACO
$130K ﹤0.01%
10,500
– –
PSEC icon
1252
Prospect Capital
PSEC
$1.11B
$129K ﹤0.01%
13,725
+3,725
+37% +$33.4K
MBLY
1253
CALL
DELISTED
Mobileye N.V.
MBLY
$129K ﹤0.01%
2,100
+1,900
+950% +$91.4K
ZBRA icon
1254
CALL
Zebra Technologies
ZBRA
$13.9B
$128K ﹤0.01%
1,400
-100
-7% -$8.67K
HIX
1255
Western Asset High Income Fund II
HIX
$350M
$127K ﹤0.01%
17,500
-4,500
-20% -$32.5K
GRBK icon
1256
Green Brick Partners
GRBK
$3.09B
$125K ﹤0.01%
13,250
– –
HAPN
1257
Happen Inc
HAPN
$2.36B
$125K ﹤0.01%
4,700
– –
CRM icon
1258
CALL
Salesforce
CRM
$152B
$124K ﹤0.01%
1,500
+1,100
+275% +$87.9K
MWA icon
1259
Mueller Water Products
MWA
$4.04B
$124K ﹤0.01%
+10,000
New +$127K
BRK.B icon
1260
CALL
Berkshire Hathaway Class B
BRK.B
$1.11T
$117K ﹤0.01%
700
– –
TAHO
1261
DELISTED
Tahoe Resources Inc
TAHO
$115K ﹤0.01%
13,600
– –
ARC
1262
DELISTED
ARC Document Solutions, Inc.
ARC
$115K ﹤0.01%
28,516
+500
+2% +$2.25K
IMMR icon
1263
Immersion
IMMR
$248M
$109K ﹤0.01%
+10,000
New +$99.3K
KMI icon
1264
CALL
Kinder Morgan
KMI
$69.9B
$109K ﹤0.01%
5,000
+2,000
+67% +$43.7K
MX icon
1265
Magnachip Semiconductor
MX
$127M
$109K ﹤0.01%
14,800
-200
-1% -$1.57K
NVDA icon
1266
CALL
NVIDIA
NVDA
$5.01T
$109K ﹤0.01%
40,000
-8,000
-17% -$21.3K
NYRT
1267
DELISTED
New York REIT, Inc.
NYRT
$108K ﹤0.01%
+1,119
New +$110K
HWCC
1268
DELISTED
Houston Wire & Cable Company
HWCC
$106K ﹤0.01%
15,855
– –
ACIA
1269
CALL
DELISTED
Acacia Communications Inc
ACIA
$106K ﹤0.01%
+1,800
New +$104K
FNM.PRI
1270
DELISTED
FANNIE MAE 5.375% NON-CUM PFD
FNM.PRI
$105K ﹤0.01%
+10,000
New +$105K
SUPR
1271
DELISTED
SUPERIOR BANCORP COM STK NEW
SUPR
$101K ﹤0.01%
+10,000
New +$101K
VOD icon
1272
CALL
Vodafone
VOD
$35.9B
$93K ﹤0.01%
+3,500
New +$89.6K
SJT
1273
San Juan Basin Royalty Trust
SJT
$113M
$92K ﹤0.01%
14,000
– –
AMZN icon
1274
PUT
Amazon
AMZN
$3.06T
$89K ﹤0.01%
2,000
– –
NERV icon
1275
Minerva Neurosciences
NERV
$185M
$88K ﹤0.01%
1,250
– –
49 50
51
52 53

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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.