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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
NS
1151
DELISTED
NuStar Energy L.P.
NS
$235K ﹤0.01%
4,500
-4,000
-47% -$210K
DGX icon
1152
Quest Diagnostics
DGX
$25.7B
$234K ﹤0.01%
+2,401
New +$229K
EPAM icon
1153
CALL
EPAM Systems
EPAM
$5.51B
$234K ﹤0.01%
+3,100
New +$216K
OIH icon
1154
VanEck Oil Services ETF
OIH
$1.91B
$234K ﹤0.01%
+372
New +$242K
RSPH icon
1155
Invesco S&P 500 Equal Weight Health Care ETF
RSPH
$766M
$233K ﹤0.01%
14,540
– –
NI icon
1156
NiSource
NI
$21.3B
$232K ﹤0.01%
9,683
-2,701
-22% -$61.8K
GOLD
1157
DELISTED
Randgold Resources Ltd
GOLD
$232K ﹤0.01%
+2,529
New +$221K
BXMT icon
1158
Blackstone Mortgage Trust
BXMT
$2.45B
$231K ﹤0.01%
7,425
– –
MSBI icon
1159
Midland States Bancorp
MSBI
$699M
$231K ﹤0.01%
6,569
– –
SEE
1160
DELISTED
Sealed Air
SEE
$230K ﹤0.01%
5,032
-20,738
-80% -$975K
IPAR icon
1161
Interparfums
IPAR
$3.99B
$229K ﹤0.01%
6,624
-69
-1% -$2.39K
NTES icon
1162
NetEase
NTES
$85.3B
$229K ﹤0.01%
+3,915
New +$211K
CVGW
1163
DELISTED
Calavo Growers
CVGW
$228K ﹤0.01%
+3,855
New +$222K
LH icon
1164
Labcorp
LH
$25B
$228K ﹤0.01%
1,862
-3
-0.2% -$355
HIG icon
1165
Hartford Financial Services
HIG
$38.9B
$226K ﹤0.01%
4,618
-503
-10% -$24.3K
TRN icon
1166
Trinity Industries
TRN
$2.49B
$226K ﹤0.01%
11,681
-348
-3% -$6.86K
EWBC icon
1167
East-West Bancorp
EWBC
$17.9B
$225K ﹤0.01%
4,355
-205
-4% -$10.8K
ACWI icon
1168
iShares MSCI ACWI ETF
ACWI
$32.5B
$223K ﹤0.01%
3,574
-162
-4% -$10K
DAKT icon
1169
Daktronics
DAKT
$955M
$223K ﹤0.01%
23,800
– –
SCHG icon
1170
Schwab US Large-Cap Growth ETF
SCHG
$60B
$223K ﹤0.01%
29,672
-4,000
-12% -$29.6K
INXN
1171
DELISTED
Interxion Holding N.V.
INXN
$223K ﹤0.01%
5,725
– –
SONY icon
1172
Sony
SONY
$137B
$222K ﹤0.01%
35,415
-1,560
-4% -$9.72K
AMRB
1173
DELISTED
American River Bankshares
AMRB
$220K ﹤0.01%
14,776
– –
DBEU icon
1174
Xtrackers MSCI Europe Hedged Equity ETF
DBEU
$770M
$218K ﹤0.01%
8,360
-231
-3% -$6.04K
TDOC icon
1175
Teladoc Health
TDOC
$1.22B
$218K ﹤0.01%
+9,900
New +$206K
45 46
47
48 49

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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.