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
AMLP icon
426
Alerian MLP ETF
AMLP
$13B
$3.1M 0.03%
48,315
-4,453
-8% -$286K
D icon
427
Dominion Energy
D
$60.8B
$3.1M 0.03%
39,984
+5,560
+16% +$421K
MSM icon
428
MSC Industrial Direct
MSM
$6.89B
$3.1M 0.03%
30,742
+18,994
+162% +$1.92M
PHO icon
429
Invesco Water Resources ETF
PHO
$2.01B
$3.1M 0.03%
118,980
+15,000
+14% +$383K
MFC icon
430
Manulife Financial
MFC
$73.9B
$3.09M 0.02%
172,609
+159,903
+1,258% +$2.95M
VOT icon
431
Vanguard Morningstar Mid-Cap Growth ETF
VOT
$19.2B
$3.09M 0.02%
27,370
+10,880
+66% +$1.21M
PSXP
432
DELISTED
PHILLIPS 66 PARTNERS LP
PSXP
$3.07M 0.02%
56,098
+11,150
+25% +$595K
LMT icon
433
Lockheed Martin
LMT
$134B
$3.07M 0.02%
11,501
-208
-2% -$54.5K
CAI
434
DELISTED
CAI International, Inc.
CAI
$3.06M 0.02%
197,900
-1,075
-0.5% -$15.6K
DTD icon
435
WisdomTree US Total Dividend Fund
DTD
$1.65B
$3.06M 0.02%
72,350
+1,114
+2% +$46.3K
XPO icon
436
XPO
XPO
$23.5B
$3.05M 0.02%
173,917
+154,805
+810% +$2.53M
LSTR icon
437
Landstar System
LSTR
$5.93B
$3.04M 0.02%
35,011
+30,495
+675% +$2.61M
AEP icon
438
American Electric Power
AEP
$69.6B
$3.02M 0.02%
45,053
+26,900
+148% +$1.74M
COL
439
DELISTED
Rockwell Collins
COL
$3M 0.02%
30,927
-167,607
-84% -$15.8M
GPN icon
440
Global Payments
GPN
$23B
$2.99M 0.02%
37,467
+2,918
+8% +$229K
IWO icon
441
iShares Russell 2000 Growth ETF
IWO
$14.3B
$2.97M 0.02%
18,468
+4,246
+30% +$674K
UEIC icon
442
Universal Electronics
UEIC
$57.8M
$2.97M 0.02%
43,353
+63
+0.1% +$4.16K
APA icon
443
APA Corp
APA
$13.2B
$2.97M 0.02%
57,594
+1,397
+2% +$78.5K
TCMD icon
444
Tactile Systems Technology
TCMD
$635M
$2.96M 0.02%
146,436
+41,851
+40% +$712K
SHPG
445
DELISTED
Shire pic
SHPG
$2.95M 0.02%
16,498
-144
-0.9% -$25.2K
FIZZ icon
446
National Beverage
FIZZ
$2.96B
$2.91M 0.02%
94,834
+52,580
+124% +$1.58M
TOL icon
447
Toll Brothers
TOL
$13.6B
$2.88M 0.02%
84,515
+74,610
+753% +$2.49M
SFM icon
448
Sprouts Farmers Market
SFM
$8.13B
$2.86M 0.02%
134,881
+91,785
+213% +$1.8M
TWX
449
DELISTED
Time Warner Inc
TWX
$2.85M 0.02%
29,036
+9,954
+52% +$963K
IJH icon
450
iShares Core S&P Mid-Cap ETF
IJH
$122B
$2.83M 0.02%
82,225
-2,125
-3% -$72.3K
16 17
18
19 20

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.