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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
+4.87%
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
$13.3B
AUM Growth
+$909M
Cap. Flow
+$365M
Cap. Flow %
2.74%
Top 10 Hldgs %
18.02%
Holding
1,758
New
284
Increased
677
Reduced
459
Closed
116

Top Buys

Rank Stock Value
1
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$28.4M
2
WAB icon
Wabtec
WAB
+$24.8M
3
KRNT icon
Kornit Digital
KRNT
+$21.3M
4
AXP icon
American Express
AXP
+$18.2M
5
MSFT icon
Microsoft
MSFT
+$18.2M

Sector Composition

Rank Sector Weight
1 Healthcare 18.81%
2 Technology 16.26%
3 Financials 13.98%
4 Industrials 10.73%
5 Consumer Discretionary 9.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
ULTI
26
DELISTED
Ultimate Software Group Inc
ULTI
$103M 0.77%
490,948
+21,328
+5% +$4.49M
WSO icon
27
Watsco Inc
WSO
$12.7B
$102M 0.77%
662,993
+76,844
+13% +$11M
CELG
28
DELISTED
Celgene Corp
CELG
$94.5M 0.71%
727,294
+26,138
+4% +$3.2M
CSGP icon
29
CoStar Group
CSGP
$12.2B
$93.7M 0.7%
3,555,740
-107,570
-3% -$2.62M
WDAY icon
30
Workday
WDAY
$41.5B
$93.5M 0.7%
963,882
+47,900
+5% +$4.47M
VUG icon
31
Vanguard Growth ETF
VUG
$214B
$93M 0.7%
4,393,614
+565,716
+15% +$11.8M
COST icon
32
Costco
COST
$432B
$92.2M 0.69%
576,445
-36,667
-6% -$6.32M
WBA
33
DELISTED
Walgreens Boots Alliance
WBA
$90M 0.68%
1,149,875
-124,751
-10% -$10.3M
HD icon
34
Home Depot
HD
$341B
$88.8M 0.67%
578,673
+5,749
+1% +$882K
EOG icon
35
EOG Resources
EOG
$77.2B
$86.3M 0.65%
953,514
+14,304
+2% +$1.32M
ITW icon
36
Illinois Tool Works
ITW
$83.9B
$84.8M 0.64%
592,008
-8,238
-1% -$1.15M
INGN icon
37
Inogen
INGN
$174M
$81.7M 0.61%
856,428
-65,265
-7% -$5.58M
DXCM icon
38
DexCom
DXCM
$29.2B
$81.1M 0.61%
4,435,556
+396,356
+10% +$7.32M
GE icon
39
GE Aerospace
GE
$368B
$80.5M 0.6%
621,927
-13,999
-2% -$1.92M
FTV icon
40
Fortive
FTV
$18B
$78.3M 0.59%
1,960,339
+114,390
+6% +$4.5M
PYPL icon
41
PayPal
PYPL
$50.7B
$78M 0.59%
1,454,137
-101,131
-7% -$4.97M
GWRE icon
42
Guidewire Software
GWRE
$13.8B
$77.9M 0.59%
1,134,346
+29,439
+3% +$1.87M
VRSK icon
43
Verisk Analytics
VRSK
$28.2B
$75.8M 0.57%
898,587
+10,301
+1% +$834K
CHKP icon
44
Check Point Software Technologies
CHKP
$14.2B
$74.7M 0.56%
685,124
+2,718
+0.4% +$294K
NTRS icon
45
Northern Trust
NTRS
$22B
$74.3M 0.56%
764,223
-7,950
-1% -$715K
SLB icon
46
SLB Ltd
SLB
$73.3B
$73.3M 0.55%
1,113,875
-142,353
-11% -$10.2M
VIG icon
47
Vanguard Dividend Appreciation ETF
VIG
$112B
$72.6M 0.55%
783,664
+70,131
+10% +$6.43M
APH icon
48
Amphenol
APH
$184B
$72.3M 0.54%
3,918,348
-56,180
-1% -$1.03M
CL icon
49
Colgate-Palmolive
CL
$74.5B
$71M 0.53%
958,146
-16,996
-2% -$1.26M
UNP icon
50
Union Pacific
UNP
$174B
$68.2M 0.51%
625,893
+1,844
+0.3% +$201K

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William Blair & Company's Q2 2017 Portfolio in Review

As of Q2 2017, William Blair & Company held 1,758 positions worth $13.3B, up 7.3% from $12.4B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

William Blair & Company's Q2 2017 filing shows 284 new, 677 increased, 459 reduced and 116 closed positions. Its largest new stake was Bob Evans Farms, Inc.: 219,278 shares worth $15.8M. The largest sale was Mobileye N.V., an estimated $60.9M.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, up from 18% a quarter earlier, followed by Technology and Financials.

  • William Blair & Company's largest Q2 2017 buy was Bob Evans Farms, Inc.: 219,278 shares worth $15.8M.
  • William Blair & Company added most to Alphabet (Google) Class A in Q2 2017, an estimated $28.4M increase.
  • William Blair & Company's biggest Q2 2017 reduction was Mobileye N.V., cutting an estimated $60.9M.
  • William Blair & Company fully exited Nord Anglia Education, Inc. in Q2 2017, selling an estimated $17.5M.
  • William Blair & Company's ten largest holdings make up 18% of its $13.3B portfolio in Q2 2017.
  • William Blair & Company opened 284 new positions and closed 116 in Q2 2017.
  • William Blair & Company's portfolio value rose 7.3% quarter-over-quarter to $13.3B.

Based on William Blair & Company's 13F filing for Q2 2017, filed 4 Aug 2017.