We are live on ! Find out more
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
+31.62%
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
$21B
AUM Growth
+$4.97B
Cap. Flow
+$438M
Cap. Flow %
2.09%
Top 10 Hldgs %
26.83%
Holding
1,788
New
129
Increased
575
Reduced
731
Closed
107

Top Buys

Rank Stock Value
1
COUP
Coupa Software Incorporated
COUP
+$55.8M
2
DOCU
DocuSign
DOCU
+$52.4M
3
AON icon
Aon
AON
+$47.5M
4
SBUX icon
Starbucks
SBUX
+$44.7M
5
ABMD
Abiomed Inc
ABMD
+$39.1M

Top Sells

Rank Stock Value
1
DIS icon
Walt Disney
DIS
+$56.6M
2
PCTY icon
Paylocity
PCTY
+$45.8M
3
BRK.B icon
Berkshire Hathaway Class B
BRK.B
+$36.9M
4
DLB icon
Dolby
DLB
+$28.4M
5
AXP icon
American Express
AXP
+$22.2M

Sector Composition

Rank Sector Weight
1 Technology 27.38%
2 Healthcare 19.32%
3 Financials 11.61%
4 Consumer Discretionary 10.23%
5 Industrials 8.05%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
XLNX
301
DELISTED
Xilinx Inc
XLNX
$7.54M 0.04%
76,586
-229
-0.3% -$20.3K
BKI
302
DELISTED
Black Knight, Inc. Common Stock
BKI
$7.49M 0.04%
103,204
-2,642
-2% -$187K
KNSL icon
303
Kinsale Capital Group
KNSL
$8.51B
$7.4M 0.04%
47,690
-1,434
-3% -$191K
SU icon
304
Suncor Energy
SU
$74.7B
$7.39M 0.04%
438,226
-130,564
-23% -$2.23M
IRDM icon
305
Iridium Communications
IRDM
$5.26B
$7.38M 0.04%
290,166
-5,295
-2% -$124K
ALRM icon
306
Alarm.com
ALRM
$2.72B
$7.35M 0.04%
113,466
-10,020
-8% -$504K
BP icon
307
BP
BP
$111B
$7.28M 0.03%
312,139
-6,672
-2% -$160K
SYY icon
308
Sysco
SYY
$40.5B
$7.22M 0.03%
132,171
+38,418
+41% +$2.02M
VXF icon
309
Vanguard Extended Market ETF
VXF
$32.1B
$7.21M 0.03%
60,958
-5,848
-9% -$628K
IRM icon
310
Iron Mountain
IRM
$37B
$7.2M 0.03%
275,886
-102,986
-27% -$2.6M
SRPT icon
311
Sarepta Therapeutics
SRPT
$1.94B
$7.19M 0.03%
44,823
+5,854
+15% +$797K
THS
312
DELISTED
Treehouse Foods
THS
$7.1M 0.03%
162,175
+56,775
+54% +$2.77M
RP
313
DELISTED
RealPage, Inc.
RP
$7.05M 0.03%
108,481
-6,690
-6% -$422K
PRAA icon
314
PRA Group
PRAA
$737M
$7.05M 0.03%
182,270
-2,150
-1% -$68.2K
MO icon
315
Altria Group
MO
$107B
$7.03M 0.03%
179,189
+9,495
+6% +$370K
XLK icon
316
State Street Technology Select Sector SPDR ETF
XLK
$124B
$6.94M 0.03%
132,772
-1,610
-1% -$75.7K
AIRG icon
317
Airgain
AIRG
$69.3M
$6.93M 0.03%
645,140
-3,597
-0.6% -$30.7K
IWR icon
318
iShares Russell Mid-Cap ETF
IWR
$57.9B
$6.86M 0.03%
127,975
-318
-0.2% -$15.9K
IWO icon
319
iShares Russell 2000 Growth ETF
IWO
$15B
$6.85M 0.03%
33,116
+3,360
+11% +$628K
TWTR
320
DELISTED
Twitter, Inc.
TWTR
$6.85M 0.03%
229,943
-34,231
-13% -$1.03M
TAN icon
321
Invesco Solar ETF
TAN
$1.37B
$6.84M 0.03%
189,509
-9,625
-5% -$305K
DOW icon
322
Dow Inc
DOW
$22.1B
$6.78M 0.03%
166,222
+22,803
+16% +$835K
ENS icon
323
EnerSys
ENS
$6.81B
$6.76M 0.03%
105,055
+20,919
+25% +$1.23M
TEL icon
324
TE Connectivity
TEL
$62B
$6.74M 0.03%
82,670
-1,619
-2% -$122K
ATR icon
325
AptarGroup
ATR
$8.47B
$6.71M 0.03%
59,892
+625
+1% +$66.5K

Similar funds

William Blair & Company's Q2 2020 Portfolio in Review

As of Q2 2020, William Blair & Company held 1,788 positions worth $21B, up 31% from $16B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

William Blair & Company's Q2 2020 filing shows 129 new, 575 increased, 731 reduced and 107 closed positions. Its largest new stake was Aon: 255,110 shares worth $49.1M. The largest sale was Walt Disney, an estimated $56.6M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, up from 25% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2020 buy was Aon: 255,110 shares worth $49.1M.
  • William Blair & Company added most to Coupa Software Incorporated in Q2 2020, an estimated $55.8M increase.
  • William Blair & Company's biggest Q2 2020 reduction was Walt Disney, cutting an estimated $56.6M.
  • William Blair & Company fully exited Prudential in Q2 2020, selling an estimated $2.8M.
  • William Blair & Company's ten largest holdings make up 27% of its $21B portfolio in Q2 2020.
  • William Blair & Company opened 129 new positions and closed 107 in Q2 2020.
  • William Blair & Company's portfolio value rose 31% quarter-over-quarter to $21B.

Based on William Blair & Company's 13F filing for Q2 2020, filed 12 Aug 2020.