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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
PSX icon
376
Phillips 66
PSX
$84.9B
$3.78M 0.03%
48,155
+7,097
+17% +$572K
LMNX
377
DELISTED
Luminex Corp
LMNX
$3.78M 0.03%
+203,469
New +$3.87M
CDK
378
DELISTED
CDK Global, Inc.
CDK
$3.76M 0.03%
57,660
-4,968
-8% -$318K
TSLA icon
379
Tesla
TSLA
$1.23T
$3.75M 0.03%
209,100
+12,255
+6% +$207K
IWN icon
380
iShares Russell 2000 Value ETF
IWN
$14.3B
$3.71M 0.03%
31,062
+492
+2% +$58.4K
ENV
381
DELISTED
ENVESTNET, INC.
ENV
$3.71M 0.03%
99,620
+3,740
+4% +$136K
IJK icon
382
iShares S&P Mid-Cap 400 Growth ETF
IJK
$10.7B
$3.68M 0.03%
76,956
+11,420
+17% +$539K
DLN icon
383
WisdomTree US LargeCap Dividend Fund
DLN
$6.26B
$3.68M 0.03%
88,286
+7,098
+9% +$291K
IX icon
384
ORIX
IX
$44B
$3.67M 0.03%
247,110
+200,815
+434% +$3.11M
COF icon
385
Capital One
COF
$128B
$3.67M 0.03%
39,299
+2,006
+5% +$179K
EBAY icon
386
eBay
EBAY
$50.6B
$3.65M 0.03%
108,461
+228
+0.2% +$7.41K
CAH icon
387
Cardinal Health
CAH
$53.9B
$3.64M 0.03%
44,620
-5,889
-12% -$464K
TSM icon
388
TSMC
TSM
$2.1T
$3.63M 0.03%
110,554
+5,996
+6% +$187K
TRV icon
389
Travelers Companies
TRV
$78.1B
$3.61M 0.03%
29,808
+9,979
+50% +$1.2M
TBF icon
390
ProShares Short 20+ Year Treasury ETF
TBF
$87.9M
$3.6M 0.03%
154,390
+8,500
+6% +$201K
IPHI
391
DELISTED
INPHI CORPORATION
IPHI
$3.58M 0.03%
73,243
+29,809
+69% +$1.39M
ES icon
392
Eversource Energy
ES
$26.9B
$3.57M 0.03%
60,830
+53,421
+721% +$3.04M
WU icon
393
Western Union
WU
$1.98B
$3.56M 0.03%
178,804
+37,181
+26% +$759K
CORP icon
394
PIMCO Investment Grade Corporate Bond Index Exchange-Traded Fund
CORP
$1.57B
$3.55M 0.03%
34,376
-1,315
-4% -$135K
AVY icon
395
Avery Dennison
AVY
$13B
$3.55M 0.03%
43,929
+30,164
+219% +$2.34M
VMC icon
396
Vulcan Materials
VMC
$34.8B
$3.54M 0.03%
29,397
+100
+0.3% +$12.2K
IWR icon
397
iShares Russell Mid-Cap ETF
IWR
$56B
$3.53M 0.03%
75,152
+2,508
+3% +$116K
SIX
398
DELISTED
Six Flags Entertainment Corp.
SIX
$3.53M 0.03%
59,287
-921
-2% -$55.2K
IBB icon
399
iShares Biotechnology ETF
IBB
$9.34B
$3.51M 0.03%
35,478
+15
+0% +$1.44K
ECPG icon
400
Encore Capital Group
ECPG
$2.02B
$3.48M 0.03%
112,971
+10,359
+10% +$326K
14 15
16
17 18

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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.