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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

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
YUM icon
276
Yum! Brands
YUM
$41.8B
$5.34M 0.05%
90,823
-49,939
-35% -$2.62M
BWA icon
277
BorgWarner
BWA
$13.9B
$5.28M 0.05%
156,274
-33,216
-18% -$985K
JAH
278
DELISTED
JARDEN CORPORATION
JAH
$5.22M 0.05%
88,643
-23,795
-21% -$1.27M
MBFI
279
DELISTED
MB Financial Corp
MBFI
$5.12M 0.05%
157,735
+2,745
+2% +$84.8K
ADM icon
280
Archer Daniels Midland
ADM
$37.7B
$5.08M 0.05%
140,037
+5,875
+4% +$204K
DST
281
DELISTED
DST Systems Inc.
DST
$5.07M 0.05%
89,828
-552
-0.6% -$29.4K
III icon
282
Information Services Group
III
$204M
$5.03M 0.05%
1,279,994
-8,250
-0.6% -$28.2K
IWS icon
283
iShares Russell Mid-Cap Value ETF
IWS
$15.9B
$5.02M 0.05%
70,788
-3,022
-4% -$199K
WPZ
284
DELISTED
Williams Partners L.P.
WPZ
$5.01M 0.05%
244,985
-15,667
-6% -$307K
ARMH
285
DELISTED
ARM HOLDINGS PLC ADS
ARMH
$4.97M 0.05%
113,840
-17,931
-14% -$750K
VO icon
286
Vanguard Morningstar Mid-Cap ETF
VO
$109B
$4.96M 0.05%
163,636
+524
+0.3% +$14.8K
XLU icon
287
State Street Utilities Select Sector SPDR ETF
XLU
$22.5B
$4.74M 0.04%
190,866
+75,460
+65% +$1.74M
IMPV
288
DELISTED
Imperva, Inc.
IMPV
$4.7M 0.04%
93,011
+24,088
+35% +$1.16M
WES
289
DELISTED
Western Gas Partners Lp
WES
$4.65M 0.04%
107,170
+1,930
+2% +$71.2K
PBPB
290
DELISTED
Potbelly
PBPB
$4.62M 0.04%
339,503
-6,814
-2% -$81.7K
WOOF
291
DELISTED
VCA Inc.
WOOF
$4.51M 0.04%
78,231
+24,787
+46% +$1.28M
OXY icon
292
Occidental Petroleum
OXY
$53.7B
$4.5M 0.04%
65,831
+6,021
+10% +$404K
VGK icon
293
Vanguard FTSE Europe ETF
VGK
$31.1B
$4.42M 0.04%
91,006
-21,542
-19% -$1.01M
WTW icon
294
Willis Towers Watson
WTW
$31.4B
$4.41M 0.04%
+37,173
New +$4.28M
TECH icon
295
Bio-Techne
TECH
$11.2B
$4.4M 0.04%
186,104
-408
-0.2% -$8.99K
NKTR icon
296
Nektar Therapeutics
NKTR
$2.47B
$4.39M 0.04%
21,301
-669
-3% -$129K
CB icon
297
Chubb
CB
$135B
$4.38M 0.04%
36,755
+19,017
+107% +$2.19M
EBAY icon
298
eBay
EBAY
$47.3B
$4.29M 0.04%
179,866
+3,985
+2% +$96.9K
TXTR
299
DELISTED
TEXTURA CORPORATION COM
TXTR
$4.28M 0.04%
229,481
+68,241
+42% +$1.15M
SIX
300
DELISTED
Six Flags Entertainment Corp.
SIX
$4.22M 0.04%
76,013
-8,948
-11% -$461K

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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.