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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
AAPL icon
1
Apple
AAPL
$4.97T
$294M 2.54%
10,650,156
-2,515,408
-19% -$73.8M
GILD icon
2
Gilead Sciences
GILD
$165B
$275M 2.38%
2,800,131
-1,589,238
-36% -$177M
SBUX icon
3
Starbucks
SBUX
$119B
$210M 1.82%
3,697,121
-399,661
-10% -$22.4M
V icon
4
Visa
V
$677B
$199M 1.72%
2,852,553
+34,143
+1% +$2.44M
GOOG icon
5
Alphabet (Google) Class C
GOOG
$4.11T
$198M 1.71%
6,356,600
-7,177,960
-53% -$221M
IDXX icon
6
Idexx Laboratories
IDXX
$44.9B
$188M 1.63%
2,534,311
-2,310,126
-48% -$165M
SRCL
7
DELISTED
Stericycle Inc
SRCL
$177M 1.53%
1,267,093
-2,156,886
-63% -$300M
AMZN icon
8
Amazon
AMZN
$2.44T
$153M 1.32%
5,978,100
-5,945,120
-50% -$150M
AMG icon
9
Affiliated Managers Group
AMG
$9.51B
$153M 1.32%
893,817
-1,518,455
-63% -$299M
MA icon
10
Mastercard
MA
$498B
$147M 1.27%
1,630,124
-2,612,132
-62% -$245M
ESRX
11
DELISTED
Express Scripts Holding Company
ESRX
$128M 1.11%
1,582,294
-73,302
-4% -$6.38M
FAST icon
12
Fastenal
FAST
$54.8B
$122M 1.05%
13,319,724
-1,892,220
-12% -$18.8M
RHT
13
DELISTED
Red Hat Inc
RHT
$118M 1.02%
1,636,826
-3,354,560
-67% -$252M
BMY icon
14
Bristol-Myers Squibb
BMY
$129B
$114M 0.99%
1,930,930
-2,240,285
-54% -$142M
WBA
15
DELISTED
Walgreens Boots Alliance
WBA
$110M 0.95%
1,325,656
-9,674
-0.7% -$875K
DHR icon
16
Danaher
DHR
$138B
$105M 0.91%
1,829,974
+274,066
+18% +$16.2M
CERN
17
DELISTED
Cerner Corp
CERN
$101M 0.87%
1,683,711
-3,582,583
-68% -$234M
SLB icon
18
SLB Ltd
SLB
$72.7B
$96.4M 0.83%
1,398,410
-1,100,132
-44% -$87.1M
META icon
19
Meta Platforms (Facebook)
META
$1.49T
$94.4M 0.82%
1,050,039
-1,195,488
-53% -$110M
VRSK icon
20
Verisk Analytics
VRSK
$27.7B
$89.2M 0.77%
1,206,349
-2,148,616
-64% -$160M
PRAA icon
21
PRA Group
PRAA
$672M
$88.3M 0.76%
1,669,363
-2,799,771
-63% -$163M
CELG
22
DELISTED
Celgene Corp
CELG
$87.7M 0.76%
811,161
+993
+0.1% +$123K
DXCM icon
23
DexCom
DXCM
$29B
$87.4M 0.76%
4,073,940
-226,308
-5% -$5.05M
ECL icon
24
Ecolab
ECL
$79.8B
$85.2M 0.74%
776,672
+5,962
+0.8% +$667K
ADBE icon
25
Adobe
ADBE
$105B
$81.9M 0.71%
995,749
-578,252
-37% -$46.9M

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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.