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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
HEI.A icon
626
HEICO Corp Class A
HEI.A
$36.6B
$1.35M 0.01%
35,242
-4,662
-12% -$167K
PTLA
627
DELISTED
Portola Pharmaceuticals, Inc.
PTLA
$1.34M 0.01%
38,726
+18,105
+88% +$577K
AMED
628
DELISTED
Amedisys
AMED
$1.34M 0.01%
26,231
+529
+2% +$25.2K
P
629
DELISTED
Pandora Media Inc
P
$1.34M 0.01%
112,955
+17,279
+18% +$217K
RWX icon
630
State Street SPDR Dow Jones International Real Estate ETF
RWX
$268M
$1.34M 0.01%
35,753
– –
AVB icon
631
AvalonBay Communities
AVB
$27B
$1.32M 0.01%
7,171
+44
+0.6% +$7.89K
AIG icon
632
American International
AIG
$41.8B
$1.31M 0.01%
20,582
-17,442
-46% -$1.12M
CNQ icon
633
Canadian Natural Resources
CNQ
$96.7B
$1.31M 0.01%
89,958
+58,950
+190% +$892K
HCR
634
DELISTED
Hi-Crush Inc. Common Stock
HCR
$1.31M 0.01%
76,054
-15,238
-17% -$282K
DAR icon
635
Darling Ingredients
DAR
$9.5B
$1.3M 0.01%
+100,000
New +$1.32M
TOVX icon
636
Theriva Biologics
TOVX
$10.2M
$1.29M 0.01%
187
-1
-0.5% -$6.98K
CNO icon
637
CNO Financial Group
CNO
$5.16B
$1.29M 0.01%
61,800
– –
HCCI
638
DELISTED
Heritage-Crystal Clean, Inc.
HCCI
$1.28M 0.01%
85,931
-5,126
-6% -$74.6K
BLBD icon
639
Blue Bird Corp
BLBD
$2.36B
$1.27M 0.01%
75,000
– –
VMW
640
DELISTED
VMware, Inc
VMW
$1.27M 0.01%
14,093
-7,287
-34% -$641K
XLY icon
641
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$22.9B
$1.26M 0.01%
28,878
+1,972
+7% +$84.5K
SPH icon
642
Suburban Propane Partners
SPH
$1.25B
$1.26M 0.01%
48,165
+41,050
+577% +$1.16M
FSP
643
Franklin Street Properties
FSP
$48.1M
$1.25M 0.01%
101,193
-5,000
-5% -$61.9K
WMB icon
644
Williams Companies
WMB
$86.1B
$1.25M 0.01%
44,093
-12
-0% -$347
PAAS icon
645
Pan American Silver
PAAS
$18.4B
$1.25M 0.01%
69,370
-3,950
-5% -$71.8K
EFV icon
646
iShares MSCI EAFE Value ETF
EFV
$29B
$1.24M 0.01%
24,829
+368
+2% +$18.1K
IGSB icon
647
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$22.9B
$1.24M 0.01%
23,490
-900
-4% -$47.3K
CINF icon
648
Cincinnati Financial
CINF
$27.3B
$1.23M 0.01%
+16,901
New +$1.23M
EWJ icon
649
iShares MSCI Japan ETF
EWJ
$22B
$1.23M 0.01%
24,053
-29,471
-55% -$1.51M
MMI icon
650
Marcus & Millichap
MMI
$1.16B
$1.23M 0.01%
44,975
-47,040
-51% -$1.22M
24 25
26
27 28

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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.