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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
DEO icon
1301
CALL
Diageo
DEO
$49B
$58K ﹤0.01%
500
– –
LOW icon
1302
CALL
Lowe's Companies
LOW
$117B
$58K ﹤0.01%
700
+400
+133% +$30.6K
PPT
1303
Franklin Premier Income Trust
PPT
$324M
$58K ﹤0.01%
+10,936
New +$57K
ESSX
1304
DELISTED
ESSEX RENTAL CORP. COMMON STOCK
ESSX
$57K ﹤0.01%
408,853
-146,105
-26% -$20.4K
VMW
1305
CALL
DELISTED
VMware, Inc
VMW
$55K ﹤0.01%
600
+400
+200% +$35.2K
BABA icon
1306
CALL
Alibaba
BABA
$293B
$54K ﹤0.01%
+500
New +$50.9K
NVDA icon
1307
PUT
NVIDIA
NVDA
$4.86T
$54K ﹤0.01%
20,000
-20,000
-50% -$53.2K
PYPL icon
1308
CALL
PayPal
PYPL
$48.9B
$52K ﹤0.01%
1,200
+100
+9% +$4.18K
MPC icon
1309
CALL
Marathon Petroleum
MPC
$92.4B
$51K ﹤0.01%
+1,000
New +$49.8K
CELG
1310
CALL
DELISTED
Celgene Corp
CELG
$50K ﹤0.01%
400
+100
+33% +$12K
TACOW
1311
DELISTED
Del Taco Restaurants, Inc. Warrants
TACOW
$49K ﹤0.01%
12,500
– –
PM icon
1312
CALL
Philip Morris
PM
$297B
$45K ﹤0.01%
400
+100
+33% +$10.3K
NFLX icon
1313
CALL
Netflix
NFLX
$299B
$44K ﹤0.01%
3,000
-9,000
-75% -$126K
GOLD
1314
CALL
DELISTED
Randgold Resources Ltd
GOLD
$44K ﹤0.01%
+500
New +$43.6K
WDC icon
1315
CALL
Western Digital
WDC
$188B
$41K ﹤0.01%
662
– –
CVS icon
1316
CALL
CVS Health
CVS
$133B
$39K ﹤0.01%
500
+200
+67% +$16K
EFII
1317
CALL
DELISTED
Electronics for Imaging
EFII
$39K ﹤0.01%
+800
New +$36.8K
AMRN
1318
Amarin Corp
AMRN
$299M
$37K ﹤0.01%
+550
New +$34.9K
SMG icon
1319
CALL
ScottsMiracle-Gro
SMG
$3.82B
$37K ﹤0.01%
+400
New +$37.1K
INFI
1320
DELISTED
Infinity Pharmaceuticals, Inc.
INFI
$36K ﹤0.01%
12,925
-255
-2% -$627
CAVM
1321
CALL
DELISTED
Cavium, Inc.
CAVM
$36K ﹤0.01%
500
-100
-17% -$6.69K
KODK.WS.A
1322
DELISTED
Eastman Kodak Company
KODK.WS.A
$33K ﹤0.01%
19,789
– –
NGD
1323
DELISTED
New Gold Inc
NGD
$29K ﹤0.01%
10,000
– –
QCOM icon
1324
CALL
Qualcomm
QCOM
$155B
$29K ﹤0.01%
500
-300
-38% -$17.4K
ULTA icon
1325
CALL
Ulta Beauty
ULTA
$22B
$29K ﹤0.01%
+100
New +$27.4K
51 52
53
54 55

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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.