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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
BAH icon
826
Booz Allen Hamilton
BAH
$8.89B
$403K ﹤0.01%
+13,309
New +$380K
CASS icon
827
Cass Information Systems
CASS
$742M
$400K ﹤0.01%
10,103
-225
-2% -$8.61K
VGSH icon
828
Vanguard Short-Term Treasury ETF
VGSH
$29.2B
$400K ﹤0.01%
6,550
– –
MLVF
829
DELISTED
Malvern Bancorp, Inc.
MLVF
$400K ﹤0.01%
25,000
– –
RY icon
830
Royal Bank of Canada
RY
$294B
$399K ﹤0.01%
6,934
+2,000
+41% +$104K
BMI icon
831
Badger Meter
BMI
$3.98B
$398K ﹤0.01%
11,998
-276
-2% -$8.52K
BAP icon
832
Credicorp
BAP
$31.2B
$395K ﹤0.01%
+3,013
New +$332K
RLI icon
833
RLI Corp
RLI
$5.91B
$392K ﹤0.01%
11,764
-256
-2% -$8.05K
HPE icon
834
Hewlett Packard
HPE
$69.4B
$390K ﹤0.01%
37,928
-1,574
-4% -$13.2K
SRCI
835
DELISTED
SRC Energy Inc
SRCI
$390K ﹤0.01%
+50,244
New +$337K
EMB icon
836
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.7B
$388K ﹤0.01%
3,517
-215
-6% -$22.9K
HDSN
837
Hudson Technologies
HDSN
$238M
$387K ﹤0.01%
118,228
+8,420
+8% +$26.6K
RCI icon
838
Rogers Communications
RCI
$18.7B
$387K ﹤0.01%
9,677
-119
-1% -$4.31K
MLKN icon
839
MillerKnoll
MLKN
$1.61B
$386K ﹤0.01%
12,500
– –
JCP
840
DELISTED
J.C. Penney Company, Inc.
JCP
$386K ﹤0.01%
34,959
+2,184
+7% +$19.1K
XLK icon
841
State Street Technology Select Sector SPDR ETF
XLK
$122B
$383K ﹤0.01%
17,282
-980
-5% -$20.3K
UEIC icon
842
Universal Electronics
UEIC
$60.6M
$382K ﹤0.01%
6,160
-3,840
-38% -$205K
VBK icon
843
Vanguard Morningstar Small-Cap Growth ETF
VBK
$23.9B
$381K ﹤0.01%
3,203
-351
-10% -$39K
BWLD
844
DELISTED
Buffalo Wild Wings, Inc.
BWLD
$379K ﹤0.01%
2,562
-183
-7% -$28K
APAM icon
845
Artisan Partners
APAM
$3.06B
$378K ﹤0.01%
12,283
+3,456
+39% +$101K
RIG icon
846
Transocean
RIG
$5.71B
$377K ﹤0.01%
41,296
+2,125
+5% +$21.1K
PRI icon
847
Primerica
PRI
$10.2B
$375K ﹤0.01%
8,433
-134
-2% -$5.79K
WFC.PRL icon
848
Wells Fargo 7.5% Non Cumv Perp Conv
WFC.PRL
$4.65B
$374K ﹤0.01%
+310
New +$365K
IEX icon
849
IDEX
IEX
$17.2B
$371K ﹤0.01%
4,485
-4,918
-52% -$369K
AA icon
850
Alcoa
AA
$12.5B
$369K ﹤0.01%
16,058
+1,248
+8% +$25.4K
32 33
34
35 36

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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.