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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

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
EXC icon
251
Exelon
EXC
$47.2B
$7.69M 0.06%
293,950
-7,627
-3% -$194K
DVY icon
252
iShares Select Dividend ETF
DVY
$23.5B
$7.55M 0.06%
81,897
-2,125
-3% -$192K
CMI icon
253
Cummins
CMI
$87.5B
$7.51M 0.06%
50,537
+46,619
+1,190% +$6.9M
GIS icon
254
General Mills
GIS
$19.1B
$7.5M 0.06%
124,927
+35,928
+40% +$2.2M
MBFI
255
DELISTED
MB Financial Corp
MBFI
$7.41M 0.06%
171,757
+752
+0.4% +$33.7K
HYG icon
256
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$15.9B
$7.36M 0.06%
83,499
-15,949
-16% -$1.39M
COP icon
257
ConocoPhillips
COP
$147B
$7.35M 0.06%
150,619
+18,995
+14% +$918K
THS
258
DELISTED
Treehouse Foods
THS
$7.34M 0.06%
86,504
-19,935
-19% -$1.6M
XLV icon
259
State Street Health Care Select Sector SPDR ETF
XLV
$41.9B
$7.34M 0.06%
98,276
-82,503
-46% -$6.01M
USMV icon
260
iShares MSCI USA Min Vol Factor ETF
USMV
$23.5B
$7.3M 0.06%
152,570
-3,015
-2% -$141K
RWO icon
261
State Street SPDR Dow Jones Global Real Estate ETF
RWO
$1.3B
$7.27M 0.06%
150,907
+9,381
+7% +$443K
IT icon
262
Gartner
IT
$10.1B
$7.18M 0.06%
66,543
-4,142
-6% -$427K
ETP
263
DELISTED
Energy Transfer Partners L.p.
ETP
$7.15M 0.06%
190,654
+13,467
+8% +$501K
CAT icon
264
Caterpillar
CAT
$375B
$7.04M 0.06%
74,236
-2,452
-3% -$232K
WES
265
DELISTED
Western Gas Partners Lp
WES
$6.96M 0.06%
111,885
+750
+0.7% +$46.4K
INFO
266
DELISTED
IHS Markit Ltd. Common Shares
INFO
$6.95M 0.06%
171,087
-3,593
-2% -$142K
COO icon
267
Cooper Companies
COO
$14.1B
$6.94M 0.06%
139,292
-904
-0.6% -$42.9K
VO icon
268
Vanguard Morningstar Mid-Cap ETF
VO
$106B
$6.88M 0.06%
197,292
+35,000
+22% +$1.2M
APD icon
269
Air Products & Chemicals
APD
$65.7B
$6.85M 0.06%
48,856
-1,691
-3% -$238K
VOE icon
270
Vanguard Morningstar Mid-Cap Value ETF
VOE
$23.7B
$6.81M 0.05%
66,787
+11,493
+21% +$1.16M
DAL icon
271
Delta Air Lines
DAL
$57.5B
$6.68M 0.05%
133,831
+22,460
+20% +$1.1M
BSFT
272
DELISTED
BroadSoft, Inc.
BSFT
$6.62M 0.05%
154,759
+3,425
+2% +$146K
SI
273
DELISTED
SIEMENS AKTIENGESELLSCHAFT ADS
SI
$6.58M 0.05%
92,644
+58,443
+171% +$4.15M
DUK icon
274
Duke Energy
DUK
$97.8B
$6.43M 0.05%
77,884
+3,468
+5% +$276K
MRCY icon
275
Mercury Systems
MRCY
$5.83B
$6.41M 0.05%
165,928
+17,189
+12% +$611K

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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.