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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
TYPE
1026
DELISTED
Monotype Imaging Holdings Inc.
TYPE
$327K ﹤0.01%
16,286
– –
CTLP
1027
DELISTED
Cantaloupe
CTLP
$325K ﹤0.01%
76,549
+3,946
+5% +$16.7K
PODD icon
1028
Insulet
PODD
$11.8B
$325K ﹤0.01%
+7,455
New +$320K
CSGS
1029
DELISTED
CSG Systems International
CSGS
$324K ﹤0.01%
8,559
-13
-0.2% -$551
APTV icon
1030
Aptiv
APTV
$12.1B
$322K ﹤0.01%
4,070
-699
-15% -$52.5K
EQM
1031
DELISTED
EQM Midstream Partners, LP
EQM
$322K ﹤0.01%
4,080
-494
-11% -$38.6K
BTI icon
1032
British American Tobacco
BTI
$128B
$321K ﹤0.01%
+4,956
New +$307K
XHS icon
1033
State Street SPDR S&P Health Care Services ETF
XHS
$207M
$321K ﹤0.01%
5,475
-153
-3% -$8.69K
ING icon
1034
ING
ING
$101B
$320K ﹤0.01%
22,958
-171
-0.7% -$2.5K
ITOT icon
1035
iShares Core S&P Total US Stock Market ETF
ITOT
$95.7B
$320K ﹤0.01%
+5,905
New +$315K
VIAB
1036
DELISTED
Viacom Inc. Class B
VIAB
$320K ﹤0.01%
7,347
+1,338
+22% +$56.5K
ANIK icon
1037
Anika Therapeutics
ANIK
$277M
$319K ﹤0.01%
+7,338
New +$350K
BKH icon
1038
Black Hills Corp
BKH
$5.42B
$319K ﹤0.01%
4,859
+84
+2% +$5.31K
GME icon
1039
GameStop
GME
$8.55B
$318K ﹤0.01%
54,672
+4,000
+8% +$24.4K
BALL icon
1040
Ball Corp
BALL
$17.3B
$313K ﹤0.01%
8,426
+24
+0.3% +$896
LAUR icon
1041
Laureate Education
LAUR
$5.18B
$313K ﹤0.01%
+21,928
New +$290K
XYL icon
1042
Xylem
XYL
$27.8B
$312K ﹤0.01%
6,373
-5,955
-48% -$290K
MLKN icon
1043
MillerKnoll
MLKN
$1.64B
$311K ﹤0.01%
9,850
-2,650
-21% -$82K
BSJI
1044
DELISTED
Invesco BulletShares 2018 High Yield Corporate Bond ETF
BSJI
$310K ﹤0.01%
12,200
+200
+2% +$5.06K
DLX icon
1045
Deluxe
DLX
$1.23B
$309K ﹤0.01%
4,200
– –
RWT
1046
Redwood Trust
RWT
$580M
$309K ﹤0.01%
+18,900
New +$305K
DM
1047
DELISTED
Dominion Energy Midstream Ptr LP
DM
$309K ﹤0.01%
9,985
– –
BIV icon
1048
Vanguard Intermediate-Term Bond ETF
BIV
$28.8B
$308K ﹤0.01%
3,679
-1,568
-30% -$131K
HYS icon
1049
PIMCO 0-5 Year High Yield Corporate Bond Index Exchange-Traded Fund
HYS
$1.74B
$308K ﹤0.01%
3,040
+314
+12% +$31.6K
IFX
1050
DELISTED
INFINEON TECH AG ADS(REP1 ORD)
IFX
$308K ﹤0.01%
15,082
-3,357
-18% -$68.6K
40 41
42
43 44

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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.