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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
+1.12%
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
$60.4B
AUM Growth
-$52.6M
Cap. Flow
-$187M
Cap. Flow %
-0.31%
Top 10 Hldgs %
7.83%
Holding
2,260
New
245
Increased
847
Reduced
769
Closed
213

Top Buys

Rank Stock Value
1
NXPI icon
NXP Semiconductors
NXPI
+$169M
2
MDVN
MEDIVATION, INC.
MDVN
+$160M
3
SBAC icon
SBA Communications
SBAC
+$116M
4
FFIV icon
F5
FFIV
+$112M
5
TECH icon
Bio-Techne
TECH
+$108M

Top Sells

Rank Stock Value
1
GMCR
KEURIG GREEN MTN INC
GMCR
+$188M
2
CTXS
Citrix Systems Inc
CTXS
+$177M
3
BEAV
B/E Aerospace Inc
BEAV
+$155M
4
CNI icon
Canadian National Railway
CNI
+$100M
5
SNBR
Sleep Number
SNBR
+$95M

Sector Composition

Rank Sector Weight
1 Industrials 8.66%
2 Technology 7.68%
3 Healthcare 6.25%
4 Consumer Discretionary 6.11%
5 Financials 5.82%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SRCL
1
DELISTED
Stericycle Inc
SRCL
$495M 0.82%
4,359,446
+517,641
+13% +$59.8M
AMG icon
2
Affiliated Managers Group
AMG
$9.58B
$443M 0.73%
2,212,414
+198,077
+10% +$38.9M
FAST icon
3
Fastenal
FAST
$54.5B
$432M 0.72%
35,078,788
+5,134,872
+17% +$60.1M
IDXX icon
4
Idexx Laboratories
IDXX
$45B
$425M 0.7%
7,002,024
-1,323,288
-16% -$78.8M
GILD icon
5
Gilead Sciences
GILD
$166B
$375M 0.62%
5,288,043
+587,251
+12% +$46.1M
TSM icon
6
TSMC
TSM
$1.99T
$368M 0.61%
18,403,133
+2,916,626
+19% +$52.2M
AKAM icon
7
Akamai
AKAM
$15.9B
$332M 0.55%
5,700,229
+42,675
+0.8% +$2.36M
GOOG icon
8
Alphabet (Google) Class C
GOOG
$4.05T
$319M 0.53%
11,475,131
+190,150
+2% +$5.54M
WSM icon
9
Williams-Sonoma
WSM
$27.2B
$309M 0.51%
9,281,806
+2,588,604
+39% +$75.4M
TDG icon
10
TransDigm Group
TDG
$71.8B
$305M 0.51%
1,648,202
+300,579
+22% +$52.6M
HOG icon
11
Harley-Davidson
HOG
$2.61B
$303M 0.5%
4,548,828
-138,276
-3% -$9.15M
QCOM icon
12
Qualcomm
QCOM
$169B
$303M 0.5%
3,840,733
+98,391
+3% +$7.41M
ABEV icon
13
Ambev
ABEV
$48.4B
$299M 0.5%
40,399,559
+2,786,877
+7% +$19.5M
IT icon
14
Gartner
IT
$10.8B
$298M 0.49%
4,295,912
+1,018,154
+31% +$70.4M
MJN
15
DELISTED
Mead Johnson Nutrition Company
MJN
$291M 0.48%
3,498,592
-274,173
-7% -$22.2M
ORLY icon
16
O'Reilly Automotive
ORLY
$75.1B
$288M 0.48%
29,141,610
-1,481,400
-5% -$14.1M
SLB icon
17
SLB Ltd
SLB
$75B
$272M 0.45%
2,786,282
-194,585
-7% -$17.6M
MA icon
18
Mastercard
MA
$497B
$267M 0.44%
3,579,665
+232,645
+7% +$18.2M
GMCR
19
DELISTED
KEURIG GREEN MTN INC
GMCR
$266M 0.44%
2,520,472
-1,893,866
-43% -$188M
ODFL icon
20
Old Dominion Freight Line
ODFL
$45.4B
$265M 0.44%
14,037,120
+3,872,220
+38% +$70.3M
CHKP icon
21
Check Point Software Technologies
CHKP
$14B
$262M 0.43%
3,869,967
+1,556,788
+67% +$103M
ARG
22
DELISTED
Airgas Inc
ARG
$256M 0.42%
2,403,480
+164,628
+7% +$17.6M
EFX icon
23
Equifax
EFX
$22.1B
$253M 0.42%
3,717,592
+449,351
+14% +$31.4M
SBAC icon
24
SBA Communications
SBAC
$19B
$251M 0.42%
2,759,693
+1,247,888
+83% +$116M
J icon
25
Jacobs Solutions
J
$16.1B
$249M 0.41%
4,740,595
-214,197
-4% -$11M
1
2 3 4 5

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William Blair & Company's Q1 2014 Portfolio in Review

As of Q1 2014, William Blair & Company held 2,260 positions worth $60.4B, down 0.09% from $60.5B the previous quarter. Its ten largest holdings account for 7.8% of the portfolio.

William Blair & Company's Q1 2014 filing shows 245 new, 847 increased, 769 reduced and 213 closed positions. Its largest new stake was F5: 1,061,272 shares worth $113M. The largest sale was KEURIG GREEN MTN INC, an estimated $188M.

By sector, the portfolio is most concentrated in Industrials at 8.7% of assets, down from 8.9% a quarter earlier, followed by Technology and Healthcare.

  • William Blair & Company's largest Q1 2014 buy was F5: 1,061,272 shares worth $113M.
  • William Blair & Company added most to NXP Semiconductors in Q1 2014, an estimated $169M increase.
  • William Blair & Company's biggest Q1 2014 reduction was KEURIG GREEN MTN INC, cutting an estimated $188M.
  • William Blair & Company fully exited Sleep Number in Q1 2014, selling an estimated $95M.
  • William Blair & Company's ten largest holdings make up 7.8% of its $60.4B portfolio in Q1 2014.
  • William Blair & Company opened 245 new positions and closed 213 in Q1 2014.
  • William Blair & Company's portfolio value fell 0.09% quarter-over-quarter to $60.4B.

Based on William Blair & Company's 13F filing for Q1 2014, filed 6 May 2014.