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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
+512.03%
AUM
$10.6B
AUM Growth
-$28.4M
Cap. Flow
+$48.7M
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
LFUS icon
1151
Littelfuse
LFUS
$11.7B
– –
-3,135
Closed -$335K
LPLA icon
1152
LPL Financial
LPLA
$28.3B
– –
-68,989
Closed -$2.94M
MAN icon
1153
ManpowerGroup
MAN
$2.53B
– –
-183,254
Closed -$15.4M
MFC icon
1154
Manulife Financial
MFC
$73.9B
– –
-11,355
Closed -$170K
MMLP icon
1155
Martin Midstream Partners
MMLP
$91.9M
– –
-11,770
Closed -$255K
MT icon
1156
ArcelorMittal
MT
$56.8B
– –
-22,597
Closed -$218K
MUR icon
1157
Murphy Oil
MUR
$5.17B
– –
-22,003
Closed -$494K
MUSA icon
1158
Murphy USA
MUSA
$10.7B
– –
-4,575
Closed -$277K
NEM icon
1159
CALL
Newmont
NEM
$110B
– –
-2,500
Closed -$44K
NEOG icon
1160
Neogen
NEOG
$2.49B
– –
-10,075
Closed -$213K
NOW icon
1161
ServiceNow
NOW
$121B
– –
-911,605
Closed -$15.8M
NRP icon
1162
Natural Resource Partners
NRP
$1.39B
– –
-1,560
Closed -$20K
NRT
1163
North European Oil Royalty Trust
NRT
$79.8M
– –
-11,000
Closed -$80K
NTIP icon
1164
Network-1 Technologies
NTIP
$36.6M
– –
-15,100
Closed -$32K
PAYC icon
1165
Paycom
PAYC
$8.15B
– –
-6,000
Closed -$226K
PGEN icon
1166
Precigen
PGEN
$2.46B
– –
-10,393
Closed -$310K
PIZ icon
1167
Invesco Dorsey Wright Developed Markets Momentum ETF
PIZ
$761M
– –
-10,200
Closed -$241K
PNR icon
1168
Pentair
PNR
$11B
– –
-25,568
Closed -$850K
QUAL icon
1169
iShares MSCI USA Quality Factor ETF
QUAL
$47.7B
– –
-3,100
Closed -$200K
SSNC icon
1170
SS&C Technologies
SSNC
$18.6B
– –
-11,130
Closed -$379K
NSLR
1171
Neostellar Capital Corp
NSLR
$289M
– –
-20,375
Closed -$123K
TCRT icon
1172
Alaunos Therapeutics
TCRT
$4.93M
– –
-93
Closed -$117K
TDOC icon
1173
Teladoc Health
TDOC
$1.26B
– –
-11,444
Closed -$205K
TDW icon
1174
Tidewater
TDW
$3.85B
– –
-468
Closed -$104K
THG icon
1175
Hanover Insurance
THG
$7.98B
– –
-2,954
Closed -$239K
45 46
47
48 49

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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.