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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
-5.41%
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
$11.6B
AUM Growth
-$55.3B
Cap. Flow
-$52.2B
Cap. Flow %
-451.81%
Top 10 Hldgs %
17.24%
Holding
2,286
New
72
Increased
349
Reduced
842
Closed
862

Top Buys

Rank Stock Value
1
PYPL icon
PayPal
PYPL
+$23.1M
2
WDAY icon
Workday
WDAY
+$23M
3
PANW icon
Palo Alto Networks
PANW
+$16.6M
4
BIIB icon
Biogen
BIIB
+$16.4M
5
DHR icon
Danaher
DHR
+$16.2M

Sector Composition

Rank Sector Weight
1 Healthcare 18.68%
2 Technology 13.63%
3 Industrials 12.35%
4 Financials 11.99%
5 Consumer Discretionary 11.58%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
VFC icon
51
VF Corp
VFC
$5.92B
$56.6M 0.49%
880,795
-1,339,227
-60% -$91.7M
ITW icon
52
Illinois Tool Works
ITW
$82.3B
$56M 0.48%
680,260
+3,413
+0.5% +$299K
DIS icon
53
Walt Disney
DIS
$170B
$55.9M 0.48%
547,073
-492,374
-47% -$53.6M
PANW icon
54
Palo Alto Networks
PANW
$275B
$55.8M 0.48%
1,946,058
+562,734
+41% +$16.6M
SU icon
55
Suncor Energy
SU
$78.7B
$55.1M 0.48%
2,061,041
-10,122,611
-83% -$272M
VUG icon
56
Vanguard Morningstar Growth ETF
VUG
$225B
$55M 0.48%
3,289,008
+353,070
+12% +$6.26M
CHKP icon
57
Check Point Software Technologies
CHKP
$12.7B
$54.3M 0.47%
684,257
-3,250,126
-83% -$260M
PRGO icon
58
Perrigo
PRGO
$1.45B
$54.1M 0.47%
343,854
-7,995
-2% -$1.47M
SBNY
59
DELISTED
Signature Bank
SBNY
$52.6M 0.46%
382,691
-1,306,172
-77% -$185M
NTRS icon
60
Northern Trust
NTRS
$33.1B
$52M 0.45%
762,398
+7,487
+1% +$550K
ABT icon
61
Abbott
ABT
$185B
$51.9M 0.45%
1,290,139
+34,914
+3% +$1.65M
BFAM icon
62
Bright Horizons
BFAM
$4.04B
$51.9M 0.45%
807,246
+13,461
+2% +$830K
ARG
63
DELISTED
Airgas Inc
ARG
$49.7M 0.43%
556,081
+6,687
+1% +$663K
ZTS icon
64
Zoetis
ZTS
$32.6B
$49.6M 0.43%
1,205,021
-304,848
-20% -$14.1M
UPS icon
65
United Parcel Service
UPS
$90.4B
$49.4M 0.43%
500,225
+41,471
+9% +$4.1M
VEU icon
66
Vanguard FTSE All-World ex-US ETF
VEU
$66.7B
$49.3M 0.43%
1,155,427
-729,152
-39% -$33.7M
PRLB icon
67
Protolabs
PRLB
$1.88B
$49.1M 0.42%
733,017
+32,794
+5% +$2.34M
GE icon
68
GE Aerospace
GE
$378B
$48.7M 0.42%
402,991
+20,358
+5% +$2.49M
HD icon
69
Home Depot
HD
$334B
$48.7M 0.42%
421,373
-992,819
-70% -$115M
EXAS
70
DELISTED
Exact Sciences
EXAS
$47.8M 0.41%
2,654,642
-2,747,831
-51% -$63.1M
APH icon
71
Amphenol
APH
$199B
$47.2M 0.41%
3,707,308
+24,436
+0.7% +$328K
AKAM icon
72
Akamai
AKAM
$17.1B
$46.8M 0.4%
677,687
-4,617,124
-87% -$333M
KMX icon
73
CarMax
KMX
$8.25B
$46.6M 0.4%
786,086
+17,251
+2% +$1.08M
BRK.B icon
74
Berkshire Hathaway Class B
BRK.B
$1.11T
$45.9M 0.4%
351,815
+5,325
+2% +$730K
FISV
75
Fiserv Inc
FISV
$29.2B
$45.4M 0.39%
1,048,232
-10,170
-1% -$440K

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William Blair & Company's Q3 2015 Portfolio in Review

As of Q3 2015, William Blair & Company held 2,286 positions worth $11.6B, down 83% from $66.9B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair & Company withdrew a net $52.2B in Q3 2015, closing 862 positions and reducing 842 holdings. Its most notable exit was Enbridge, an estimated $154M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, up from 7.4% a quarter earlier, followed by Technology and Industrials.

Against the trend, William Blair & Company opened a new position in PayPal worth $20M.

  • William Blair & Company's largest Q3 2015 buy was PayPal: 644,428 shares worth $20M.
  • William Blair & Company added most to Workday in Q3 2015, an estimated $23M increase.
  • William Blair & Company's biggest Q3 2015 reduction was Teva Pharmaceuticals, cutting an estimated $348M.
  • William Blair & Company fully exited Enbridge in Q3 2015, selling an estimated $154M.
  • William Blair & Company's ten largest holdings make up 17% of its $11.6B portfolio in Q3 2015.
  • William Blair & Company opened 72 new positions and closed 862 in Q3 2015.
  • William Blair & Company's portfolio value fell 83% quarter-over-quarter to $11.6B.

Based on William Blair & Company's 13F filing for Q3 2015, filed 12 Nov 2015.