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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
+1.8%
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
$11.2B
AUM Growth
-$134M
Cap. Flow
-$132M
Cap. Flow %
-1.18%
Top 10 Hldgs %
17.1%
Holding
1,560
New
265
Increased
457
Reduced
545
Closed
146

Sector Composition

Rank Sector Weight
1 Healthcare 18.3%
2 Technology 15.54%
3 Financials 12.99%
4 Industrials 11.67%
5 Consumer Discretionary 10.13%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
AAPL icon
1
Apple
AAPL
$4.97T
$310M 2.77%
10,697,992
-220,104
-2% -$6.24M
IDXX icon
2
Idexx Laboratories
IDXX
$44.9B
$249M 2.23%
2,124,568
-114,931
-5% -$13.1M
V icon
3
Visa
V
$702B
$226M 2.02%
2,893,963
-63,429
-2% -$5.1M
SBUX icon
4
Starbucks
SBUX
$118B
$222M 1.99%
4,006,130
+177,027
+5% +$9.81M
AMZN icon
5
Amazon
AMZN
$2.44T
$193M 1.73%
5,144,940
+91,860
+2% +$3.6M
MSFT icon
6
Microsoft
MSFT
$2.91T
$185M 1.66%
2,981,478
+143,977
+5% +$8.66M
GOOG icon
7
Alphabet (Google) Class C
GOOG
$4.11T
$140M 1.26%
3,636,720
+14,800
+0.4% +$577K
FAST icon
8
Fastenal
FAST
$54.9B
$135M 1.21%
11,497,672
-212,472
-2% -$2.33M
MA icon
9
Mastercard
MA
$497B
$128M 1.15%
1,240,579
+8,699
+0.7% +$901K
DHR icon
10
Danaher
DHR
$138B
$123M 1.1%
1,784,147
+151,703
+9% +$10.5M
SPY icon
11
State Street SPDR S&P 500 ETF Trust
SPY
$772B
$123M 1.1%
549,643
+195,009
+55% +$42.6M
META icon
12
Meta Platforms (Facebook)
META
$1.48T
$123M 1.1%
1,066,632
+66,981
+7% +$8.23M
ZTS icon
13
Zoetis
ZTS
$32.6B
$118M 1.05%
2,197,963
+35,728
+2% +$1.82M
GILD icon
14
Gilead Sciences
GILD
$165B
$112M 1.01%
1,568,957
-243,236
-13% -$18.1M
WBA
15
DELISTED
Walgreens Boots Alliance
WBA
$107M 0.96%
1,298,472
-39,288
-3% -$3.25M
ADBE icon
16
Adobe
ADBE
$105B
$105M 0.94%
1,022,490
+2,465
+0.2% +$261K
RHT
17
DELISTED
Red Hat Inc
RHT
$103M 0.92%
1,481,077
+40,212
+3% +$3.1M
SLB icon
18
SLB Ltd
SLB
$72.9B
$103M 0.92%
1,228,402
-8,774
-0.7% -$719K
GS icon
19
Goldman Sachs
GS
$289B
$99.1M 0.89%
413,947
+4,890
+1% +$993K
AMG icon
20
Affiliated Managers Group
AMG
$9.55B
$96.4M 0.86%
663,315
-64,079
-9% -$9.3M
ECL icon
21
Ecolab
ECL
$79.7B
$96.1M 0.86%
819,487
+15,087
+2% +$1.77M
GE icon
22
GE Aerospace
GE
$363B
$94M 0.84%
620,477
-8,356
-1% -$1.21M
COST icon
23
Costco
COST
$432B
$93.9M 0.84%
586,183
+21,215
+4% +$3.24M
CELG
24
DELISTED
Celgene Corp
CELG
$91M 0.81%
786,432
-35,968
-4% -$4.01M
JPM icon
25
JPMorgan Chase
JPM
$919B
$90.6M 0.81%
1,049,944
+178,603
+20% +$13.6M

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William Blair & Company's Q4 2016 Portfolio in Review

As of Q4 2016, William Blair & Company held 1,560 positions worth $11.2B, down 1.2% from $11.3B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair & Company's Q4 2016 filing shows 265 new, 457 increased, 545 reduced and 146 closed positions. Its largest new stake was Hilton Worldwide: 158,405 shares worth $12.9M. The largest sale was Cerner Corp, an estimated $58.7M.

By sector, the portfolio is most concentrated in Healthcare at 18% of assets, down from 20% a quarter earlier, followed by Technology and Financials.

  • William Blair & Company's largest Q4 2016 buy was Hilton Worldwide: 158,405 shares worth $12.9M.
  • William Blair & Company added most to State Street SPDR S&P 500 ETF Trust in Q4 2016, an estimated $42.6M increase.
  • William Blair & Company's biggest Q4 2016 reduction was Cerner Corp, cutting an estimated $58.7M.
  • William Blair & Company fully exited PRESS GANEY HOLDINGS INC COM STK (DE) in Q4 2016, selling an estimated $24M.
  • William Blair & Company's ten largest holdings make up 17% of its $11.2B portfolio in Q4 2016.
  • William Blair & Company opened 265 new positions and closed 146 in Q4 2016.
  • William Blair & Company's portfolio value fell 1.2% quarter-over-quarter to $11.2B.

Based on William Blair & Company's 13F filing for Q4 2016, filed 14 Feb 2017.