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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
+5%
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
$56.2B
AUM Growth
+$5.67B
Cap. Flow
+$1.41B
Cap. Flow %
2.51%
Top 10 Hldgs %
8.17%
Holding
2,258
New
269
Increased
765
Reduced
785
Closed
211

Top Sells

Rank Stock Value
1
TSM icon
TSMC
TSM
+$102M
2
UNP icon
Union Pacific
UNP
+$72.8M
3
SWI
SOLARWINDS INC COM STK (DE)
SWI
+$70.7M
4
P
Pandora Media Inc
P
+$65.7M
5
HOLX
Hologic
HOLX
+$60.9M

Sector Composition

Rank Sector Weight
1 Industrials 9.02%
2 Technology 6.74%
3 Consumer Discretionary 6.57%
4 Healthcare 5.86%
5 Financials 5.46%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
SRCL
1
DELISTED
Stericycle Inc
SRCL
$487M 0.87%
4,222,363
+147,718
+4% +$17M
IDXX icon
2
Idexx Laboratories
IDXX
$44.1B
$477M 0.85%
9,568,990
+259,346
+3% +$12.5M
AMG icon
3
Affiliated Managers Group
AMG
$9.69B
$434M 0.77%
2,375,285
+190,714
+9% +$33.9M
PRGO icon
4
Perrigo
PRGO
$1.4B
$346M 0.62%
2,805,883
+644,039
+30% +$80.4M
AAPL icon
5
Apple
AAPL
$4.54T
$325M 0.58%
19,081,972
+721,504
+4% +$12M
CTXS
6
DELISTED
Citrix Systems Inc
CTXS
$317M 0.56%
5,636,035
+676,237
+14% +$37.8M
DKS icon
7
Dick's Sporting Goods
DKS
$17.5B
$314M 0.56%
5,885,148
+966,688
+20% +$48.7M
TSM icon
8
TSMC
TSM
$2.1T
$302M 0.54%
17,782,965
-5,961,324
-25% -$102M
FAST icon
9
Fastenal
FAST
$54.7B
$297M 0.53%
23,605,612
+334,240
+1% +$3.96M
HOG icon
10
Harley-Davidson
HOG
$2.58B
$295M 0.52%
4,592,116
+224,038
+5% +$13.3M
GILD icon
11
Gilead Sciences
GILD
$162B
$281M 0.5%
4,467,432
-88,257
-2% -$5.27M
SLB icon
12
SLB Ltd
SLB
$73.6B
$273M 0.49%
3,094,342
-338,334
-10% -$27.8M
BEAV
13
DELISTED
B/E Aerospace Inc
BEAV
$265M 0.47%
4,962,856
+1,011,116
+26% +$51.4M
GMCR
14
DELISTED
KEURIG GREEN MTN INC
GMCR
$263M 0.47%
3,496,701
+65,256
+2% +$5.15M
ORLY icon
15
O'Reilly Automotive
ORLY
$72.9B
$263M 0.47%
30,947,340
+3,051,945
+11% +$25M
MA icon
16
Mastercard
MA
$502B
$259M 0.46%
3,851,550
-47,950
-1% -$3.01M
QCOM icon
17
Qualcomm
QCOM
$155B
$242M 0.43%
3,594,158
-104,803
-3% -$6.87M
GOOG icon
18
Alphabet (Google) Class C
GOOG
$4.36T
$242M 0.43%
11,083,067
-330,875
-3% -$7.31M
P
19
DELISTED
Pandora Media Inc
P
$240M 0.43%
9,534,296
-3,211,668
-25% -$65.7M
ABV
20
DELISTED
COMPANHIA BEBIDA ADS EACH REPSTG 1 PFD SH
ABV
$237M 0.42%
6,191,192
+3,357,372
+118% +$123M
SBNY
21
DELISTED
Signature Bank
SBNY
$232M 0.41%
2,536,691
+854,479
+51% +$77M
ARG
22
DELISTED
Airgas Inc
ARG
$232M 0.41%
2,186,208
+195,303
+10% +$20.1M
MJN
23
DELISTED
Mead Johnson Nutrition Company
MJN
$232M 0.41%
3,121,882
+260,889
+9% +$19.6M
J icon
24
Jacobs Solutions
J
$15.9B
$216M 0.38%
4,488,591
+580,068
+15% +$28.2M
CNI icon
25
Canadian National Railway
CNI
$76.9B
$213M 0.38%
4,194,836
-33,070
-0.8% -$1.63M

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William Blair & Company's Q3 2013 Portfolio in Review

As of Q3 2013, William Blair & Company held 2,258 positions worth $56.2B, up 11% from $50.6B the previous quarter. Its ten largest holdings account for 8.2% of the portfolio.

William Blair & Company's Q3 2013 filing shows 269 new, 765 increased, 785 reduced and 211 closed positions. Its largest new stake was Canadian Pacific Kansas City: 5,515,110 shares worth $136M. The largest sale was TSMC, an estimated $102M.

By sector, the portfolio is most concentrated in Industrials at 9% of assets, up from 8.7% a quarter earlier, followed by Technology and Consumer Discretionary.

  • William Blair & Company's largest Q3 2013 buy was Canadian Pacific Kansas City: 5,515,110 shares worth $136M.
  • William Blair & Company added most to COMPANHIA BEBIDA ADS EACH REPSTG 1 PFD SH in Q3 2013, an estimated $123M increase.
  • William Blair & Company's biggest Q3 2013 reduction was TSMC, cutting an estimated $102M.
  • William Blair & Company fully exited Precision Drilling in Q3 2013, selling an estimated $27.8M.
  • William Blair & Company's ten largest holdings make up 8.2% of its $56.2B portfolio in Q3 2013.
  • William Blair & Company opened 269 new positions and closed 211 in Q3 2013.
  • William Blair & Company's portfolio value rose 11% quarter-over-quarter to $56.2B.

Based on William Blair & Company's 13F filing for Q3 2013, filed 12 Nov 2013.