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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
+4.57%
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
+$17.7M
Cap. Flow
-$449M
Cap. Flow %
-3.37%
Top 10 Hldgs %
18.64%
Holding
1,772
New
130
Increased
581
Reduced
525
Closed
417

Top Buys

Rank Stock Value
1
WSO icon
Watsco Inc
WSO
+$36.3M
2
BL icon
BlackLine
BL
+$21.8M
3
EVH icon
Evolent Health
EVH
+$19.6M
4
PGR icon
Progressive
PGR
+$17.2M
5
JPM icon
JPMorgan Chase
JPM
+$16.9M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$115M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$66M
3
COST icon
Costco
COST
+$33M
4
XRAY icon
Dentsply Sirona
XRAY
+$30.5M
5
PRAA icon
PRA Group
PRAA
+$24.5M

Sector Composition

Rank Sector Weight
1 Healthcare 18.86%
2 Technology 17.6%
3 Financials 14.62%
4 Industrials 10.54%
5 Consumer Discretionary 8.84%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AAPL icon
1
Apple
AAPL
$5.01T
$430M 3.22%
11,151,604
+18,928
+0.2% +$734K
V icon
2
Visa
V
$709B
$309M 2.32%
2,936,734
+8,063
+0.3% +$818K
IDXX icon
3
Idexx Laboratories
IDXX
$44.9B
$277M 2.08%
1,781,760
-15,694
-0.9% -$2.48M
AMZN icon
4
Amazon
AMZN
$2.46T
$274M 2.05%
5,694,480
+68,460
+1% +$3.36M
MSFT icon
5
Microsoft
MSFT
$2.94T
$264M 1.98%
3,541,487
+28,983
+0.8% +$2.12M
SBUX icon
6
Starbucks
SBUX
$118B
$223M 1.67%
4,152,572
+133,929
+3% +$7.42M
META icon
7
Meta Platforms (Facebook)
META
$1.5T
$204M 1.53%
1,194,565
+6,387
+0.5% +$1.07M
MA icon
8
Mastercard
MA
$502B
$174M 1.31%
1,235,030
-6,359
-0.5% -$841K
ZTS icon
9
Zoetis
ZTS
$32.9B
$173M 1.29%
2,705,740
+41,713
+2% +$2.61M
RHT
10
DELISTED
Red Hat Inc
RHT
$159M 1.19%
1,433,815
-8,487
-0.6% -$869K
DHR icon
11
Danaher
DHR
$140B
$148M 1.11%
1,946,551
+13,687
+0.7% +$1.01M
WSO icon
12
Watsco Inc
WSO
$12.7B
$145M 1.09%
903,320
+240,327
+36% +$36.3M
ADBE icon
13
Adobe
ADBE
$105B
$143M 1.07%
959,775
-12,474
-1% -$1.86M
ICE icon
14
Intercontinental Exchange
ICE
$87.4B
$139M 1.04%
2,018,098
+7,287
+0.4% +$480K
SPY icon
15
State Street SPDR S&P 500 ETF Trust
SPY
$776B
$137M 1.03%
545,387
+15,961
+3% +$3.93M
FAST icon
16
Fastenal
FAST
$54.4B
$133M 1%
11,709,904
+236,624
+2% +$2.55M
JPM icon
17
JPMorgan Chase
JPM
$926B
$130M 0.97%
1,356,374
+183,383
+16% +$16.9M
GILD icon
18
Gilead Sciences
GILD
$166B
$125M 0.94%
1,548,136
+38,266
+3% +$2.93M
AMG icon
19
Affiliated Managers Group
AMG
$9.62B
$118M 0.89%
621,820
-27,414
-4% -$4.88M
CRM icon
20
Salesforce
CRM
$154B
$115M 0.86%
1,225,777
+11,056
+0.9% +$1.02M
GS icon
21
Goldman Sachs
GS
$292B
$113M 0.85%
475,858
+5,000
+1% +$1.13M
VEEV icon
22
Veeva Systems
VEEV
$33.8B
$113M 0.85%
1,999,378
+106,306
+6% +$6.45M
ECL icon
23
Ecolab
ECL
$78.9B
$112M 0.84%
873,711
-3,318
-0.4% -$436K
ULTI
24
DELISTED
Ultimate Software Group Inc
ULTI
$109M 0.82%
573,547
+82,599
+17% +$16.7M
JNJ icon
25
Johnson & Johnson
JNJ
$644B
$105M 0.79%
809,327
+22,251
+3% +$2.95M
1
2 3 4 5

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William Blair & Company's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair & Company held 1,772 positions worth $13.3B, up 0.13% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company withdrew a net $449M in Q3 2017, closing 417 positions and reducing 525 holdings. Its most notable exit was Dave & Buster's, an estimated $20.3M position sold in full.

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

Against the trend, William Blair & Company opened a new position in Quantenna Communications, Inc. Common Stock worth $9.07M.

  • William Blair & Company's largest Q3 2017 buy was Quantenna Communications, Inc. Common Stock: 539,590 shares worth $9.07M.
  • William Blair & Company added most to Watsco Inc in Q3 2017, an estimated $36.3M increase.
  • William Blair & Company's biggest Q3 2017 reduction was Alphabet (Google) Class C, cutting an estimated $115M.
  • William Blair & Company fully exited Dave & Buster's in Q3 2017, selling an estimated $20.3M.
  • William Blair & Company's ten largest holdings make up 19% of its $13.3B portfolio in Q3 2017.
  • William Blair & Company opened 130 new positions and closed 417 in Q3 2017.
  • William Blair & Company's portfolio value rose 0.13% quarter-over-quarter to $13.3B.

Based on William Blair & Company's 13F filing for Q3 2017, filed 13 Nov 2017.