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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
IYF icon
826
iShares US Financials ETF
IYF
$4.58B
$631K 0.01%
11,870
+1,300
+12% +$67.8K
RELX icon
827
RELX
RELX
$63.1B
$629K 0.01%
31,759
-8,630
-21% -$161K
SHM icon
828
State Street SPDR Nuveen ICE Short Term Municipal Bond ETF
SHM
$3.46B
$628K 0.01%
12,957
+878
+7% +$42.4K
LNC icon
829
Lincoln National
LNC
$8.82B
$627K 0.01%
9,126
-666
-7% -$45.5K
TWOU
830
DELISTED
2U Inc
TWOU
$625K 0.01%
525
-70
-12% -$74.8K
GWX icon
831
State Street SPDR S&P International Small Cap ETF
GWX
$874M
$621K 0.01%
19,843
+7,539
+61% +$231K
MCK icon
832
McKesson
MCK
$96.8B
$619K 0.01%
4,122
-5,270
-56% -$772K
EXPE icon
833
Expedia Group
EXPE
$35.8B
$617K 0.01%
4,968
-20
-0.4% -$2.44K
PFPT
834
DELISTED
Proofpoint, Inc.
PFPT
$614K ﹤0.01%
7,936
+2,467
+45% +$196K
REGN icon
835
Regeneron Pharmaceuticals
REGN
$78.2B
$612K ﹤0.01%
1,634
+226
+16% +$83.8K
WT icon
836
WisdomTree
WT
$3.21B
$610K ﹤0.01%
66,934
+20,090
+43% +$194K
ANDX
837
DELISTED
Andeavor Logistics LP
ANDX
$608K ﹤0.01%
10,800
-10,330
-49% -$573K
STAG icon
838
STAG Industrial
STAG
$7.44B
$604K ﹤0.01%
+23,400
New +$571K
PARA
839
DELISTED
Paramount Global Class B
PARA
$603K ﹤0.01%
17,766
+4,142
+30% +$272K
RYAAY icon
840
Ryanair
RYAAY
$31.1B
$602K ﹤0.01%
18,168
-5,265
-22% -$175K
MTLS
841
Materialise
MTLS
$377M
$599K ﹤0.01%
+66,300
New +$563K
PII icon
842
Polaris
PII
$4.02B
$598K ﹤0.01%
7,109
+111
+2% +$9.55K
AAL icon
843
American Airlines Group
AAL
$10.6B
$595K ﹤0.01%
12,863
+1,289
+11% +$58.3K
UNIT
844
Uniti Group
UNIT
$2.34B
$595K ﹤0.01%
22,846
+483
+2% +$12.9K
VDC icon
845
Vanguard Consumer Staples ETF
VDC
$7.95B
$592K ﹤0.01%
4,176
+150
+4% +$20.8K
XLP icon
846
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.8B
$592K ﹤0.01%
10,824
-700
-6% -$37.6K
FTA icon
847
First Trust Large Cap Value AlphaDEX Fund
FTA
$1.4B
$590K ﹤0.01%
11,856
– –
HPE icon
848
Hewlett Packard
HPE
$66.5B
$590K ﹤0.01%
44,125
-1,883
-4% -$25.3K
TMUS icon
849
T-Mobile US
TMUS
$190B
$590K ﹤0.01%
9,434
-8,500
-47% -$523K
GDXJ icon
850
VanEck Junior Gold Miners ETF
GDXJ
$7.09B
$589K ﹤0.01%
16,198
+1,600
+11% +$59.9K
32 33
34
35 36

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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.