We are live on ! Find out more
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
ENSV
1351
DELISTED
Enservco Corp.
ENSV
$9K ﹤0.01%
1,200
– –
HWM icon
1352
CALL
Howmet Aerospace
HWM
$113B
$8K ﹤0.01%
+391
New +$7.68K
RXD icon
1353
CALL
ProShares UltraShort Health Care
RXD
$3.23M
$8K ﹤0.01%
50
– –
PRLB icon
1354
CALL
Protolabs
PRLB
$1.79B
$5K ﹤0.01%
+100
New +$5.29K
SLCA
1355
CALL
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
$5K ﹤0.01%
100
-600
-86% -$32.1K
DNKN
1356
CALL
DELISTED
Dunkin' Brands Group, Inc.
DNKN
$5K ﹤0.01%
+100
New +$5.37K
CCOI icon
1357
CALL
Cogent Communications
CCOI
$676M
$4K ﹤0.01%
+100
New +$4.17K
SCHW
1358
CALL
Charles Schwab
SCHW
$183B
$4K ﹤0.01%
100
-1,300
-93% -$53.7K
GOOGL icon
1359
CALL
Alphabet (Google) Class A
GOOGL
$4.36T
$3K ﹤0.01%
6,000
– –
TEVA icon
1360
CALL
Teva Pharmaceuticals
TEVA
$40.8B
$3K ﹤0.01%
+100
New +$3.41K
AVCS
1361
DELISTED
AMERICAN VANTAGE CO'S
AVCS
$1K ﹤0.01%
21,865
– –
ABEV icon
1362
Ambev
ABEV
$48.1B
– –
-14,617
Closed -$72K
ABT icon
1363
CALL
Abbott
ABT
$183B
– –
-1,000
Closed -$38K
ADI icon
1364
Analog Devices
ADI
$179B
– –
-2,822
Closed -$205K
AOS icon
1365
A.O. Smith
AOS
$8.17B
– –
-4,402
Closed -$208K
ARI
1366
Apollo Commercial Real Estate
ARI
$867M
– –
-11,337
Closed -$188K
AXP icon
1367
CALL
American Express
AXP
$227B
– –
-100
Closed -$7K
BAP icon
1368
Credicorp
BAP
$31.8B
– –
-1,445
Closed -$228K
BGC icon
1369
BGC Group
BGC
$5.45B
– –
-18,494
Closed -$122K
BHP icon
1370
CALL
BHP
BHP
$215B
– –
-1,682
Closed -$53K
CASY icon
1371
Casey's General Stores
CASY
$32.2B
– –
-2,400
Closed -$285K
CGEN icon
1372
Compugen
CGEN
$222M
– –
-206,356
Closed -$1.05M
DAN icon
1373
Dana Inc
DAN
$2.9B
– –
-12,170
Closed -$231K
DIN icon
1374
Dine Brands
DIN
$456M
– –
-5,866
Closed -$452K
DKS icon
1375
Dick's Sporting Goods
DKS
$17.5B
– –
-4,865
Closed -$258K
53 54
55
56 57

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
MML Investors Services
MML Investors Services Springfield, Massachusetts $36.1B AUM 19.68% 1-Year Est. Return

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.