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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
+3.05%
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
$65B
AUM Growth
+$3.08B
Cap. Flow
+$215M
Cap. Flow %
0.33%
Top 10 Hldgs %
7.07%
Holding
2,420
New
292
Increased
857
Reduced
826
Closed
260

Sector Composition

Rank Sector Weight
1 Healthcare 7.54%
2 Industrials 7.52%
3 Consumer Discretionary 6.41%
4 Technology 6.29%
5 Financials 6.1%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
ANSS
151
DELISTED
Ansys
ANSS
$59M 0.09%
668,750
+16,492
+3% +$1.39M
UNP icon
152
Union Pacific
UNP
$173B
$58.2M 0.09%
537,137
-15,899
-3% -$1.87M
AKRX
153
DELISTED
Akorn Inc
AKRX
$58.1M 0.09%
1,223,608
-730,731
-37% -$33.2M
FDS icon
154
Factset
FDS
$9.57B
$56.7M 0.09%
356,361
-73,493
-17% -$11M
CE icon
155
Celanese
CE
$4.75B
$56.7M 0.09%
1,015,601
+37,281
+4% +$2.11M
ABT icon
156
Abbott
ABT
$183B
$56.5M 0.09%
1,219,180
+3,623
+0.3% +$166K
APH icon
157
Amphenol
APH
$205B
$56M 0.09%
3,803,540
-2,820
-0.1% -$39.5K
JNK icon
158
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$6.92B
$55.9M 0.09%
475,280
+103,267
+28% +$12.1M
PPG icon
159
PPG Industries
PPG
$25.7B
$55.8M 0.09%
495,024
+8,762
+2% +$1M
SLH
160
DELISTED
SOLERA HOLDINGS, INC. COM
SLH
$55.3M 0.09%
1,069,851
+309,440
+41% +$16.3M
KMX icon
161
CarMax
KMX
$8.35B
$55.1M 0.08%
797,781
+2,739
+0.3% +$179K
BC icon
162
Brunswick
BC
$5.25B
$54.8M 0.08%
1,065,748
+709,816
+199% +$37.7M
LCII icon
163
LCI Industries
LCII
$2.51B
$54.1M 0.08%
878,573
+22,828
+3% +$1.26M
TMH
164
DELISTED
Team Health Holdings Inc
TMH
$53M 0.08%
905,711
+23,316
+3% +$1.32M
EFA icon
165
iShares MSCI EAFE ETF
EFA
$79B
$52.8M 0.08%
823,545
-135,083
-14% -$8.5M
INFY icon
166
Infosys
INFY
$49.3B
$52.8M 0.08%
6,022,260
+1,810,008
+43% +$15.9M
CP icon
167
Canadian Pacific Kansas City
CP
$79.1B
$52.3M 0.08%
1,431,380
-25,150
-2% -$928K
NTRS icon
168
Northern Trust
NTRS
$33.5B
$52.2M 0.08%
748,852
+22,976
+3% +$1.57M
BSAC icon
169
Banco Santander Chile
BSAC
$16.4B
$51.9M 0.08%
2,393,639
+559,776
+31% +$11.3M
OEF icon
170
CALL
iShares S&P 100 ETF
OEF
$20.3B
$51.9M 0.08%
1,292,400
+196,600
+18% +$17.9M
WX
171
DELISTED
WUXI PHARMATECH, CAYMAN INC REPSTG 8 ORD SHS
WX
$51.5M 0.08%
1,328,132
-313,761
-19% -$12.1M
MMS icon
172
Maximus
MMS
$3.27B
$51.4M 0.08%
769,309
+763,066
+12,223% +$45.3M
TWOU
173
DELISTED
2U Inc
TWOU
$49.3M 0.08%
64,292
+2,007
+3% +$1.15M
BRK.B icon
174
Berkshire Hathaway Class B
BRK.B
$1.1T
$49M 0.08%
339,828
+3,597
+1% +$529K
VUG icon
175
Vanguard Morningstar Growth ETF
VUG
$228B
$47.6M 0.07%
2,727,588
+76,428
+3% +$1.36M

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William Blair & Company's Q1 2015 Portfolio in Review

As of Q1 2015, William Blair & Company held 2,420 positions worth $65B, up 5% from $61.9B the previous quarter. Its ten largest holdings account for 7.1% of the portfolio.

William Blair & Company's Q1 2015 filing shows 292 new, 857 increased, 826 reduced and 260 closed positions. Its largest new stake was First American: 468,238 shares worth $16.7M. The largest sale was PRECISION CASTPARTS CORP, an estimated $146M.

By sector, the portfolio is most concentrated in Healthcare at 7.5% of assets, down from 7.7% a quarter earlier, followed by Industrials and Consumer Discretionary.

  • William Blair & Company's largest Q1 2015 buy was First American: 468,238 shares worth $16.7M.
  • William Blair & Company added most to Cerner Corp in Q1 2015, an estimated $197M increase.
  • William Blair & Company's biggest Q1 2015 reduction was PRECISION CASTPARTS CORP, cutting an estimated $146M.
  • William Blair & Company fully exited Global Brokerage, Inc. Class A Common Stock in Q1 2015, selling an estimated $91.3M.
  • William Blair & Company's ten largest holdings make up 7.1% of its $65B portfolio in Q1 2015.
  • William Blair & Company opened 292 new positions and closed 260 in Q1 2015.
  • William Blair & Company's portfolio value rose 5% quarter-over-quarter to $65B.

Based on William Blair & Company's 13F filing for Q1 2015, filed 11 May 2015.