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
+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

Top Sells

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$87.4M
2
TDOC icon
Teladoc Health
TDOC
+$65.6M
3
VRSK icon
Verisk Analytics
VRSK
+$65M
4
AAPL icon
Apple
AAPL
+$52M
5
ACWV icon
iShares MSCI Global Min Vol Factor ETF
ACWV
+$46.5M

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
IGSB icon
526
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$23.4B
$3.81M 0.01%
69,509
-5,166
-7% -$283K
BMRN icon
527
BioMarin Pharmaceuticals
BMRN
$13.3B
$3.8M 0.01%
45,515
-1,350
-3% -$107K
YUM icon
528
Yum! Brands
YUM
$41.2B
$3.79M 0.01%
32,908
+853
+3% +$101K
GSBD icon
529
Goldman Sachs BDC
GSBD
$1.12B
$3.78M 0.01%
192,924
-12,530
-6% -$248K
SEDG icon
530
SolarEdge
SEDG
$1.98B
$3.77M 0.01%
13,656
-98
-0.7% -$24.7K
CLX icon
531
Clorox
CLX
$12.9B
$3.72M 0.01%
20,695
-1,821
-8% -$332K
CWB icon
532
State Street SPDR Bloomberg Convertible Securities ETF
CWB
$5.75B
$3.72M 0.01%
42,932
+285
+0.7% +$24.1K
CTVA icon
533
Corteva
CTVA
$50.6B
$3.72M 0.01%
83,892
+1,133
+1% +$52.3K
SAIC icon
534
Saic
SAIC
$5.35B
$3.72M 0.01%
42,396
+12,337
+41% +$1.1M
DOMO icon
535
Domo
DOMO
$187M
$3.7M 0.01%
45,760
+25,457
+125% +$1.67M
ASAN icon
536
Asana
ASAN
$2.28B
$3.67M 0.01%
59,155
– –
JJSF icon
537
J&J Snack Foods
JJSF
$1.7B
$3.65M 0.01%
20,949
+901
+4% +$152K
ASML icon
538
ASML
ASML
$710B
$3.62M 0.01%
5,239
+1,709
+48% +$1.13M
SSTI icon
539
SoundThinking
SSTI
$107M
$3.6M 0.01%
73,809
+425
+0.6% +$16.3K
AMED
540
DELISTED
Amedisys
AMED
$3.6M 0.01%
14,679
-870
-6% -$228K
FSV icon
541
FirstService
FSV
$6.18B
$3.59M 0.01%
20,967
-846
-4% -$139K
HAL icon
542
Halliburton
HAL
$27.4B
$3.58M 0.01%
155,017
+4,856
+3% +$108K
ES icon
543
Eversource Energy
ES
$27.2B
$3.53M 0.01%
44,014
-755
-2% -$63.6K
ZBH icon
544
Zimmer Biomet
ZBH
$19B
$3.5M 0.01%
22,436
+361
+2% +$58.5K
CODI icon
545
Compass Diversified
CODI
$924M
$3.5M 0.01%
137,208
+33,496
+32% +$846K
BWXT icon
546
BWX Technologies
BWXT
$15.6B
$3.5M 0.01%
60,172
-46,673
-44% -$3M
APPN icon
547
Appian
APPN
$2.65B
$3.49M 0.01%
25,316
-475
-2% -$54K
VOOV icon
548
Vanguard S&P 500 Value ETF
VOOV
$6.8B
$3.48M 0.01%
24,387
+2,173
+10% +$310K
FDN icon
549
First Trust Dow Jones Internet Index Fund ETF
FDN
$5.45B
$3.48M 0.01%
14,195
+12,251
+630% +$2.8M
PRU icon
550
Prudential Financial
PRU
$43B
$3.47M 0.01%
33,852
+3,390
+11% +$346K
20 21
22
23 24

Similar funds

Parallax Volatility Advisers
Parallax Volatility Advisers San Francisco, California $38.6B AUM 45.89% 1-Year Est. Return
Credit Agricole
Credit Agricole Montrouge Cedex, France $38.1B AUM
Carson Wealth (CWM LLC)
Carson Wealth (CWM LLC) Omaha, Nebraska $38.1B AUM 19.66% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return
Fayez Sarofim & Co
Fayez Sarofim & Co Houston, Texas $39.1B AUM 15.14% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
First Manhattan
First Manhattan New York $36.1B AUM 11.5% 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 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.