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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
+0.39%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$10.6B
AUM Growth
-$28.4M
Cap. Flow
+$48.9M
Cap. Flow %
0.46%
Top 10 Hldgs %
17.73%
Holding
1,332
New
89
Increased
456
Reduced
508
Closed
121

Top Buys

Rank Stock Value
1
XRAY icon
Dentsply Sirona
XRAY
+$51.3M
2
MSFT icon
Microsoft
MSFT
+$36.9M
3
PYPL icon
PayPal
PYPL
+$21.2M
4
AMT icon
American Tower
AMT
+$21.2M
5
OMC icon
Omnicom Group
OMC
+$18.3M

Top Sells

Rank Stock Value
1
SIRO
SIRONA DENTAL SYSTEMS INC COM STK
SIRO
+$57.3M
2
WEX icon
WEX
WEX
+$35.3M
3
ARG
Airgas Inc
ARG
+$29.5M
4
SBAC icon
SBA Communications
SBAC
+$19.6M
5
ESRX
Express Scripts Holding Company
ESRX
+$19M

Sector Composition

Rank Sector Weight
1 Healthcare 18.96%
2 Technology 15.24%
3 Industrials 12.81%
4 Financials 11.94%
5 Consumer Discretionary 11.43%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CLC
776
DELISTED
Clarcor
CLC
$491K ﹤0.01%
8,503
+3,240
+62% +$160K
BXP icon
777
Boston Properties
BXP
$11B
$490K ﹤0.01%
+3,863
New +$458K
EQIX icon
778
Equinix
EQIX
$104B
$489K ﹤0.01%
+1,480
New +$450K
ACHN
779
DELISTED
Achillion Pharmaceuticals
ACHN
$488K ﹤0.01%
63,300
+22,900
+57% +$168K
EQT icon
780
EQT Corp
EQT
$32.3B
$485K ﹤0.01%
13,263
– –
RPM icon
781
RPM International
RPM
$14.8B
$483K ﹤0.01%
10,212
– –
SAN icon
782
Banco Santander
SAN
$209B
$483K ﹤0.01%
115,666
+1,739
+2% +$7.15K
STAG icon
783
STAG Industrial
STAG
$7.1B
$479K ﹤0.01%
23,575
+6,075
+35% +$107K
TNL icon
784
Travel + Leisure Co
TNL
$4.74B
$477K ﹤0.01%
13,846
– –
AVGR
785
DELISTED
Avinger, Inc. Common Stock
AVGR
– –
0
– –
USO icon
786
United States Oil Fund
USO
$1.86B
$472K ﹤0.01%
6,093
+437
+8% +$32.6K
MGPI icon
787
MGP Ingredients
MGPI
$371M
$470K ﹤0.01%
19,400
-5,000
-20% -$115K
L icon
788
Loews
L
$23.7B
$464K ﹤0.01%
12,163
+120
+1% +$4.42K
HPQ icon
789
HP
HPQ
$25.8B
$463K ﹤0.01%
37,596
-2,490
-6% -$26.6K
RIO icon
790
Rio Tinto
RIO
$162B
$457K ﹤0.01%
16,184
-437
-3% -$11.6K
LUV icon
791
Southwest Airlines
LUV
$23B
$456K ﹤0.01%
10,188
+3,876
+61% +$158K
ABM icon
792
ABM Industries
ABM
$2.84B
$452K ﹤0.01%
14,017
– –
WT icon
793
WisdomTree
WT
$3.26B
$451K ﹤0.01%
39,506
+10,950
+38% +$131K
FRAN
794
DELISTED
Francesca's Holdings Corporation
FRAN
$450K ﹤0.01%
+1,957
New +$422K
ICFI icon
795
ICF International
ICFI
$1.54B
$448K ﹤0.01%
13,046
+730
+6% +$24.4K
BOH icon
796
Bank of Hawaii
BOH
$3.12B
$447K ﹤0.01%
6,558
-96
-1% -$6.04K
PLNT icon
797
Planet Fitness
PLNT
$4.05B
$446K ﹤0.01%
+27,515
New +$407K
WAB icon
798
Wabtec
WAB
$49.9B
$446K ﹤0.01%
5,636
-536
-9% -$37.1K
FOR icon
799
Forestar Group
FOR
$1.49B
$445K ﹤0.01%
34,200
– –
EZU icon
800
iShare MSCI Eurozone ETF
EZU
$9.84B
$440K ﹤0.01%
12,800
– –
30 31
32
33 34

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William Blair & Company's Q1 2016 Portfolio in Review

As of Q1 2016, William Blair & Company held 1,332 positions worth $10.6B, down 0.27% from $10.7B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company's Q1 2016 filing shows 89 new, 456 increased, 508 reduced and 121 closed positions. Its largest new stake was Willis Towers Watson: 37,173 shares worth $4.41M. The largest sale was SIRONA DENTAL SYSTEMS INC COM STK, an estimated $57.3M.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, down from 20% a quarter earlier, followed by Technology and Industrials.

  • William Blair & Company's largest Q1 2016 buy was Willis Towers Watson: 37,173 shares worth $4.41M.
  • William Blair & Company added most to Dentsply Sirona in Q1 2016, an estimated $51.3M increase.
  • William Blair & Company's biggest Q1 2016 reduction was WEX, cutting an estimated $35.3M.
  • William Blair & Company fully exited SIRONA DENTAL SYSTEMS INC COM STK in Q1 2016, selling an estimated $57.3M.
  • William Blair & Company's ten largest holdings make up 18% of its $10.6B portfolio in Q1 2016.
  • William Blair & Company opened 89 new positions and closed 121 in Q1 2016.
  • William Blair & Company's portfolio value fell 0.27% quarter-over-quarter to $10.6B.

Based on William Blair & Company's 13F filing for Q1 2016, filed 16 May 2016.