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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
-12.38%
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
$16B
AUM Growth
-$3.46B
Cap. Flow
-$518M
Cap. Flow %
-3.24%
Top 10 Hldgs %
25.29%
Holding
1,819
New
100
Increased
562
Reduced
749
Closed
158

Top Buys

Rank Stock Value
1
VEA icon
Vanguard FTSE Developed Markets ETF
VEA
+$57.8M
2
AMZN icon
Amazon
AMZN
+$38M
3
ACWV icon
iShares MSCI Global Min Vol Factor ETF
ACWV
+$33.7M
4
EXEL icon
Exelixis
EXEL
+$33.4M
5
WDAY icon
Workday
WDAY
+$33.3M

Top Sells

Rank Stock Value
1
VEU icon
Vanguard FTSE All-World ex-US ETF
VEU
+$51.6M
2
RTN
Raytheon Company
RTN
+$47.8M
3
BFAM icon
Bright Horizons
BFAM
+$47.6M
4
PLNT icon
Planet Fitness
PLNT
+$39.6M
5
WAB icon
Wabtec
WAB
+$33.6M

Sector Composition

Rank Sector Weight
1 Technology 25.04%
2 Healthcare 18.78%
3 Financials 12.18%
4 Consumer Discretionary 9.78%
5 Industrials 8.19%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AAPL icon
1
Apple
AAPL
$5.01T
$632M 3.95%
9,933,772
-338,696
-3% -$24.9M
MSFT icon
2
Microsoft
MSFT
$2.94T
$612M 3.82%
3,878,747
-190,207
-5% -$31.3M
AMZN icon
3
Amazon
AMZN
$2.47T
$575M 3.6%
5,901,520
+392,260
+7% +$38M
V icon
4
Visa
V
$709B
$427M 2.67%
2,647,650
-5,788
-0.2% -$1.09M
IDXX icon
5
Idexx Laboratories
IDXX
$45B
$379M 2.37%
1,563,254
+17,274
+1% +$4.51M
VEEV icon
6
Veeva Systems
VEEV
$33.9B
$311M 1.94%
1,987,886
-9,743
-0.5% -$1.43M
DXCM icon
7
DexCom
DXCM
$29.2B
$306M 1.91%
4,541,360
-278,996
-6% -$17.4M
MA icon
8
Mastercard
MA
$502B
$276M 1.73%
1,142,619
-66,636
-6% -$19.8M
GOOG icon
9
Alphabet (Google) Class C
GOOG
$4.09T
$270M 1.69%
4,636,860
+75,960
+2% +$5.15M
ZTS icon
10
Zoetis
ZTS
$33B
$260M 1.63%
2,213,181
-125,609
-5% -$16.5M
ADBE icon
11
Adobe
ADBE
$105B
$243M 1.52%
762,911
-12,118
-2% -$4.14M
FISV
12
Fiserv Inc
FISV
$29.7B
$230M 1.44%
2,421,461
+70,785
+3% +$7.86M
DHR icon
13
Danaher
DHR
$141B
$229M 1.43%
1,865,858
-156,549
-8% -$21.1M
PYPL icon
14
PayPal
PYPL
$50.5B
$224M 1.4%
2,339,298
+40,720
+2% +$4.5M
SBUX icon
15
Starbucks
SBUX
$119B
$195M 1.22%
2,963,241
+177,170
+6% +$14.3M
VUG icon
16
Vanguard Growth ETF
VUG
$214B
$186M 1.16%
7,136,178
-147,312
-2% -$4.41M
ECL icon
17
Ecolab
ECL
$79B
$156M 0.98%
1,002,249
+23,508
+2% +$4.42M
JPM icon
18
JPMorgan Chase
JPM
$926B
$148M 0.93%
1,649,209
-76,334
-4% -$9.27M
CSGP icon
19
CoStar Group
CSGP
$12.1B
$147M 0.92%
2,509,570
-48,720
-2% -$3.18M
CRM icon
20
Salesforce
CRM
$155B
$147M 0.92%
1,023,427
+76,676
+8% +$13.1M
SPY icon
21
State Street SPDR S&P 500 ETF Trust
SPY
$776B
$147M 0.92%
571,535
+23,445
+4% +$7.15M
WDAY icon
22
Workday
WDAY
$41.7B
$145M 0.91%
1,112,459
+197,673
+22% +$33.3M
GOOGL icon
23
Alphabet (Google) Class A
GOOGL
$4.1T
$140M 0.87%
2,407,840
+16,100
+0.7% +$1.09M
TYL icon
24
Tyler Technologies
TYL
$14.2B
$140M 0.87%
470,488
-10,698
-2% -$3.32M
ICE icon
25
Intercontinental Exchange
ICE
$87.5B
$137M 0.86%
1,695,662
+7,831
+0.5% +$710K
1
2 3 4 5

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William Blair & Company's Q1 2020 Portfolio in Review

As of Q1 2020, William Blair & Company held 1,819 positions worth $16B, down 18% from $19.5B the previous quarter. Its ten largest holdings account for 25% of the portfolio.

William Blair & Company withdrew a net $518M in Q1 2020, closing 158 positions and reducing 749 holdings. Its most notable exit was Raytheon Company, an estimated $47.8M position sold in full.

By sector, the portfolio is most concentrated in Technology at 25% of assets, up from 23% a quarter earlier, followed by Healthcare and Financials.

Against the trend, William Blair & Company opened a new position in Canoo Inc. Class A Common Stock worth $4.04M.

  • William Blair & Company's largest Q1 2020 buy was Canoo Inc. Class A Common Stock: 870 shares worth $4.04M.
  • William Blair & Company added most to Vanguard FTSE Developed Markets ETF in Q1 2020, an estimated $57.8M increase.
  • William Blair & Company's biggest Q1 2020 reduction was Vanguard FTSE All-World ex-US ETF, cutting an estimated $51.6M.
  • William Blair & Company fully exited Raytheon Company in Q1 2020, selling an estimated $47.8M.
  • William Blair & Company's ten largest holdings make up 25% of its $16B portfolio in Q1 2020.
  • William Blair & Company opened 100 new positions and closed 158 in Q1 2020.
  • William Blair & Company's portfolio value fell 18% quarter-over-quarter to $16B.

Based on William Blair & Company's 13F filing for Q1 2020, filed 11 May 2020.