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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
+10.7%
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
$28.9B
AUM Growth
+$2.35B
Cap. Flow
-$98.3M
Cap. Flow %
-0.34%
Top 10 Hldgs %
23.73%
Holding
1,960
New
105
Increased
655
Reduced
787
Closed
72

Top Buys

Rank Stock Value
1
BALL icon
Ball Corp
BALL
+$39.8M
2
ABNB icon
Airbnb
ABNB
+$37.1M
3
GNRC icon
Generac Holdings
GNRC
+$34.4M
4
U icon
Unity
U
+$29.3M
5
TREX icon
Trex
TREX
+$29M

Sector Composition

Rank Sector Weight
1 Technology 25.7%
2 Healthcare 19.69%
3 Financials 11.7%
4 Consumer Discretionary 10.72%
5 Industrials 9.79%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
ATEC icon
1326
Alphatec Holdings
ATEC
$1.51B
$308K ﹤0.01%
20,075
+75
+0.4% +$1.16K
VRP icon
1327
Invesco Variable Rate Preferred ETF
VRP
$3.01B
$308K ﹤0.01%
11,710
-506
-4% -$13.2K
EWH icon
1328
iShares MSCI Hong Kong ETF
EWH
$1.21B
$307K ﹤0.01%
11,483
DBX icon
1329
Dropbox
DBX
$7.81B
$306K ﹤0.01%
10,100
-4,650
-32% -$127K
JMST icon
1330
JPMorgan Ultra-Short Municipal Income ETF
JMST
$7.15B
$306K ﹤0.01%
6,000
-365
-6% -$18.6K
SPOT icon
1331
Spotify
SPOT
$102B
$305K ﹤0.01%
1,108
-6,944
-86% -$1.76M
UI icon
1332
Ubiquiti
UI
$35.3B
$303K ﹤0.01%
969
BZUN
1333
Baozun
BZUN
$168M
$299K ﹤0.01%
+8,444
New +$298K
IDCC icon
1334
InterDigital
IDCC
$8.88B
$298K ﹤0.01%
4,080
FAF icon
1335
First American
FAF
$7.56B
$297K ﹤0.01%
4,768
-47
-1% -$2.99K
IYK icon
1336
iShares US Consumer Staples ETF
IYK
$1.43B
$296K ﹤0.01%
4,821
TRUP icon
1337
Trupanion
TRUP
$1.36B
$296K ﹤0.01%
+2,575
New +$224K
ZUMZ icon
1338
Zumiez
ZUMZ
$319M
$296K ﹤0.01%
6,050
-4,200
-41% -$189K
UEC icon
1339
Uranium Energy
UEC
$5.54B
$295K ﹤0.01%
111,000
PVG
1340
DELISTED
PRETIUM RESOURCES INC.
PVG
$295K ﹤0.01%
30,825
+3,550
+13% +$38.8K
NACP icon
1341
Impact Shares NAACP Minority Empowerment ETF
NACP
$77.7M
$294K ﹤0.01%
+8,964
New +$285K
TTC icon
1342
Toro Company
TTC
$9.21B
$294K ﹤0.01%
2,678
CCL icon
1343
Carnival Corporation Ltd
CCL
$38.9B
$293K ﹤0.01%
11,116
-685
-6% -$19.2K
CGNT icon
1344
Cognyte Software
CGNT
$692M
$293K ﹤0.01%
+11,960
New +$296K
CPRI icon
1345
Capri Holdings
CPRI
$1.77B
$292K ﹤0.01%
+5,112
New +$278K
NARI
1346
DELISTED
Inari Medical, Inc. Common Stock
NARI
$292K ﹤0.01%
+3,130
New +$303K
CLAR icon
1347
Clarus
CLAR
$145M
$290K ﹤0.01%
+11,265
New +$240K
NCNO icon
1348
nCino
NCNO
$2.26B
$289K ﹤0.01%
4,819
+1,288
+36% +$81.2K
HRTX icon
1349
Heron Therapeutics
HRTX
$63.5M
$287K ﹤0.01%
18,500
DOX icon
1350
Amdocs
DOX
$6.23B
$285K ﹤0.01%
3,686
-42
-1% -$3.24K

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William Blair & Company's Q2 2021 Portfolio in Review

As of Q2 2021, William Blair & Company held 1,960 positions worth $28.9B, up 8.9% from $26.5B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q2 2021 filing shows 105 new, 655 increased, 787 reduced and 72 closed positions. Its largest new stake was Luminar Technologies: 36,860 shares worth $12.1M. The largest sale was Fiserv Inc, an estimated $87.4M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2021 buy was Luminar Technologies: 36,860 shares worth $12.1M.
  • William Blair & Company added most to Ball Corp in Q2 2021, an estimated $39.8M increase.
  • William Blair & Company's biggest Q2 2021 reduction was Fiserv Inc, cutting an estimated $87.4M.
  • William Blair & Company fully exited RealPage, Inc. in Q2 2021, selling an estimated $12.1M.
  • William Blair & Company's ten largest holdings make up 24% of its $28.9B portfolio in Q2 2021.
  • William Blair & Company opened 105 new positions and closed 72 in Q2 2021.
  • William Blair & Company's portfolio value rose 8.9% quarter-over-quarter to $28.9B.

Based on William Blair & Company's 13F filing for Q2 2021, filed 12 Aug 2021.