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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
HTH icon
1076
Hilltop Holdings
HTH
$2.27B
$288K ﹤0.01%
10,147
-29
-0.3% -$810
FLGT icon
1077
Fulgent Genetics
FLGT
$503M
$287K ﹤0.01%
+26,320
New +$311K
MRO
1078
DELISTED
Marathon Oil Corporation
MRO
$286K ﹤0.01%
17,892
+1,000
+6% +$16.4K
RIO icon
1079
Rio Tinto
RIO
$155B
$285K ﹤0.01%
7,001
-5,443
-44% -$231K
LECO icon
1080
Lincoln Electric
LECO
$14.4B
$284K ﹤0.01%
+3,280
New +$275K
MOS icon
1081
The Mosaic Company
MOS
$6.92B
$284K ﹤0.01%
9,104
+1,965
+28% +$60.7K
HDSN
1082
Hudson Technologies
HDSN
$263M
$283K ﹤0.01%
42,470
-5,467
-11% -$39.8K
NUE icon
1083
Nucor
NUE
$58.9B
$283K ﹤0.01%
4,545
+537
+13% +$32.8K
CNA icon
1084
CNA Financial
CNA
$14.6B
$282K ﹤0.01%
6,395
+196
+3% +$8.35K
CLCT
1085
DELISTED
Collectors Universe
CLCT
$282K ﹤0.01%
10,815
+668
+7% +$15.3K
STM icon
1086
STMicroelectronics
STM
$46.3B
$281K ﹤0.01%
+18,213
New +$254K
AB icon
1087
AllianceBernstein
AB
$3.45B
$280K ﹤0.01%
11,999
-840
-7% -$19.5K
NDAQ icon
1088
Nasdaq
NDAQ
$52.3B
$279K ﹤0.01%
11,766
+1,110
+10% +$25.8K
LMRK
1089
DELISTED
Landmark Infrastructure Partners LP Common Units
LMRK
$278K ﹤0.01%
18,600
+1,300
+8% +$20K
APAM icon
1090
Artisan Partners
APAM
$2.92B
$277K ﹤0.01%
10,023
-649
-6% -$18.6K
IMUX icon
1091
Immunic
IMUX
$192M
$277K ﹤0.01%
149
– –
KEY icon
1092
KeyCorp
KEY
$24.3B
$277K ﹤0.01%
14,749
+970
+7% +$17.8K
PLOW icon
1093
Douglas Dynamics
PLOW
$921M
$275K ﹤0.01%
+8,963
New +$291K
QVCGA
1094
DELISTED
QVC Group Inc Series A
QVCGA
$275K ﹤0.01%
289
+12
+4% +$11.3K
PTHN
1095
DELISTED
Patheon N.V.
PTHN
$275K ﹤0.01%
+10,425
New +$305K
XRX icon
1096
Xerox
XRX
$412M
$274K ﹤0.01%
+9,333
New +$269K
WBMD
1097
DELISTED
WebMD Health Corp.
WBMD
$274K ﹤0.01%
5,275
– –
VMI icon
1098
Valmont Industries
VMI
$9.38B
$273K ﹤0.01%
+1,736
New +$256K
PVTBP
1099
DELISTED
PrivateBancorp, Inc. Capital Trust IV Trust Preferred
PVTBP
$273K ﹤0.01%
+10,014
New +$269K
DIS icon
1100
CALL
Walt Disney
DIS
$169B
$272K ﹤0.01%
2,400
-6,100
-72% -$672K
42 43
44
45 46

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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.