We are live on ! Find out more
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
VUG icon
26
Vanguard Growth ETF
VUG
$214B
$105M 0.79%
4,737,198
+343,584
+8% +$7.47M
CELG
27
DELISTED
Celgene Corp
CELG
$105M 0.79%
718,443
-8,851
-1% -$1.21M
WDAY icon
28
Workday
WDAY
$41.6B
$101M 0.76%
962,722
-1,160
-0.1% -$120K
EOG icon
29
EOG Resources
EOG
$77.1B
$100M 0.75%
1,033,211
+79,697
+8% +$7.2M
CSGP icon
30
CoStar Group
CSGP
$12.2B
$94.2M 0.71%
3,511,240
-44,500
-1% -$1.24M
GOOGL icon
31
Alphabet (Google) Class A
GOOGL
$4.11T
$93.5M 0.7%
1,919,580
-1,391,740
-42% -$66M
PYPL icon
32
PayPal
PYPL
$50.7B
$91.6M 0.69%
1,430,966
-23,171
-2% -$1.39M
ITW icon
33
Illinois Tool Works
ITW
$83.9B
$89.4M 0.67%
603,997
+11,989
+2% +$1.7M
FTV icon
34
Fortive
FTV
$18B
$89.1M 0.67%
1,996,193
+35,854
+2% +$1.49M
GWRE icon
35
Guidewire Software
GWRE
$13.8B
$87.6M 0.66%
1,125,710
-8,636
-0.8% -$633K
HD icon
36
Home Depot
HD
$341B
$87.3M 0.66%
534,048
-44,625
-8% -$6.84M
WBA
37
DELISTED
Walgreens Boots Alliance
WBA
$85.7M 0.64%
1,109,597
-40,278
-4% -$3.23M
APH icon
38
Amphenol
APH
$185B
$80.3M 0.6%
3,796,932
-121,416
-3% -$2.39M
INGN icon
39
Inogen
INGN
$174M
$79.4M 0.6%
835,240
-21,188
-2% -$2.04M
BRK.B icon
40
Berkshire Hathaway Class B
BRK.B
$1.1T
$77.9M 0.58%
425,125
+24,333
+6% +$4.3M
GOOG icon
41
Alphabet (Google) Class C
GOOG
$4.1T
$77.9M 0.58%
1,625,040
-2,465,580
-60% -$115M
VIG icon
42
Vanguard Dividend Appreciation ETF
VIG
$112B
$77.8M 0.58%
821,027
+37,363
+5% +$3.49M
CHKP icon
43
Check Point Software Technologies
CHKP
$14.1B
$77.7M 0.58%
681,674
-3,450
-0.5% -$379K
VRSK icon
44
Verisk Analytics
VRSK
$28.2B
$74.8M 0.56%
899,221
+634
+0.1% +$52.5K
ACN icon
45
Accenture
ACN
$107B
$72.6M 0.54%
537,724
+19,267
+4% +$2.51M
ABBV icon
46
AbbVie
ABBV
$471B
$72.4M 0.54%
814,452
+17,840
+2% +$1.36M
VEU icon
47
Vanguard FTSE All-World ex-US ETF
VEU
$65.1B
$69.9M 0.52%
1,325,979
+183,041
+16% +$9.47M
NTRS icon
48
Northern Trust
NTRS
$22B
$69.7M 0.52%
758,535
-5,688
-0.7% -$514K
UNP icon
49
Union Pacific
UNP
$174B
$69M 0.52%
595,230
-30,663
-5% -$3.29M
CL icon
50
Colgate-Palmolive
CL
$74.5B
$68.5M 0.51%
940,031
-18,115
-2% -$1.31M
1
2
3 4 5

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Daiwa Securities Group
Daiwa Securities Group Tokyo, Japan $34.8B AUM 20.7% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return

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.