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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
-12.38%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
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
PEN icon
526
Penumbra
PEN
$12.9B
$1.83M 0.01%
11,363
+642
+6% +$108K
COF icon
527
Capital One
COF
$137B
$1.82M 0.01%
36,099
-14,236
-28% -$1.25M
HEEM icon
528
iShares Currency Hedged MSCI Emerging Markets
HEEM
$294M
$1.82M 0.01%
85,197
+60,623
+247% +$1.5M
DBX icon
529
Dropbox
DBX
$7.44B
$1.8M 0.01%
99,694
+5,277
+6% +$96K
FSLR icon
530
First Solar
FSLR
$24.1B
$1.8M 0.01%
49,834
-13,619
-21% -$648K
AMP icon
531
Ameriprise Financial
AMP
$50B
$1.79M 0.01%
17,510
-3,120
-15% -$462K
AVY icon
532
Avery Dennison
AVY
$13.5B
$1.77M 0.01%
17,401
-48
-0.3% -$5.88K
VBR icon
533
Vanguard Morningstar Small-Cap Value ETF
VBR
$38.2B
$1.77M 0.01%
19,915
-4,104
-17% -$498K
STKL
534
DELISTED
SunOpta
STKL
$1.76M 0.01%
1,024,294
+299,550
+41% +$748K
SPDW icon
535
State Street SPDR Portfolio Developed World ex-US ETF
SPDW
$42B
$1.76M 0.01%
73,553
-16,623
-18% -$476K
XLY icon
536
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23.5B
$1.76M 0.01%
35,920
+11,012
+44% +$650K
ED icon
537
Consolidated Edison
ED
$40B
$1.75M 0.01%
22,500
-2,250
-9% -$197K
RH icon
538
RH
RH
$3.43B
$1.74M 0.01%
17,345
-2,149
-11% -$401K
VLO icon
539
Valero Energy
VLO
$97.5B
$1.74M 0.01%
38,431
+349
+0.9% +$25.4K
GKOS icon
540
Glaukos
GKOS
$11B
$1.74M 0.01%
56,451
-28,683
-34% -$1.47M
MPWR icon
541
Monolithic Power Systems
MPWR
$69.1B
$1.74M 0.01%
10,372
+1,807
+21% +$310K
GLW icon
542
Corning
GLW
$141B
$1.73M 0.01%
84,418
-5,260
-6% -$137K
BIP icon
543
Brookfield Infrastructure Partners
BIP
$18.3B
$1.72M 0.01%
71,892
-9,924
-12% -$290K
JLL icon
544
Jones Lang LaSalle
JLL
$16.8B
$1.72M 0.01%
17,072
+1,228
+8% +$184K
URI icon
545
United Rentals
URI
$70.2B
$1.72M 0.01%
16,750
-5,957
-26% -$790K
SLB icon
546
SLB Ltd
SLB
$77.2B
$1.71M 0.01%
127,064
-305,302
-71% -$8.83M
IBN icon
547
ICICI Bank
IBN
$106B
$1.7M 0.01%
200,391
-2,660
-1% -$35.2K
NEM icon
548
Newmont
NEM
$120B
$1.7M 0.01%
37,589
+8,198
+28% +$370K
INGR icon
549
Ingredion
INGR
$6.65B
$1.7M 0.01%
22,499
+3,071
+16% +$264K
VRRM icon
550
Verra Mobility
VRRM
$711M
$1.7M 0.01%
237,364
-21,305
-8% -$284K
20 21
22
23 24

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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.