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
FTCS icon
826
First Trust Capital Strength ETF
FTCS
$8.02B
$1.31M ﹤0.01%
17,293
+2,700
+19% +$201K
ICLR icon
827
Icon
ICLR
$12.9B
$1.3M ﹤0.01%
6,315
+3,919
+164% +$846K
TRIL
828
DELISTED
Trillium Therapeutics Inc.
TRIL
$1.3M ﹤0.01%
134,340
-116,714
-46% -$1.1M
EXP icon
829
Eagle Materials
EXP
$6.41B
$1.3M ﹤0.01%
9,129
-68
-0.7% -$9.78K
EB
830
DELISTED
Eventbrite
EB
$1.3M ﹤0.01%
68,220
+37,672
+123% +$799K
SLCA
831
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
$1.29M ﹤0.01%
111,848
-425
-0.4% -$4.93K
FUSB icon
832
First US Bancshares
FUSB
$90.7M
$1.29M ﹤0.01%
117,677
+2,677
+2% +$28.5K
CABO icon
833
Cable One
CABO
$206M
$1.28M ﹤0.01%
669
– –
IXN icon
834
iShares Global Tech ETF
IXN
$9.47B
$1.28M ﹤0.01%
22,752
+234
+1% +$12.6K
IBDM
835
DELISTED
iShares iBonds Dec 2021 Term Corporate ETF
IBDM
$1.27M ﹤0.01%
51,275
+4,000
+8% +$99.2K
URTH icon
836
iShares MSCI World ETF
URTH
$8.4B
$1.26M ﹤0.01%
9,969
-120
-1% -$14.9K
ZNGA
837
DELISTED
ZYNGA INC. CL A COMMON
ZNGA
$1.26M ﹤0.01%
118,683
+46,865
+65% +$494K
INSP icon
838
Inspire Medical Systems
INSP
$1.68B
$1.26M ﹤0.01%
6,527
– –
CDXS icon
839
Codexis
CDXS
$175M
$1.25M ﹤0.01%
55,325
+500
+0.9% +$10.8K
EXPD icon
840
Expeditors International
EXPD
$24.3B
$1.25M ﹤0.01%
9,909
-552
-5% -$65.1K
EXC icon
841
Exelon
EXC
$47B
$1.25M ﹤0.01%
39,611
+283
+0.7% +$9.11K
CERT icon
842
Certara
CERT
$1.24B
$1.25M ﹤0.01%
44,130
+25,731
+140% +$714K
HPQ icon
843
HP
HPQ
$28.6B
$1.25M ﹤0.01%
41,267
-1,308
-3% -$41.8K
DDD icon
844
3D Systems Corp
DDD
$601M
$1.24M ﹤0.01%
31,066
+800
+3% +$21.1K
IBDN
845
DELISTED
iShares iBonds Dec 2022 Term Corporate ETF
IBDN
$1.24M ﹤0.01%
48,860
+4,000
+9% +$102K
IPG
846
DELISTED
Interpublic Group of Companies
IPG
$1.24M ﹤0.01%
38,179
-10,630
-22% -$340K
IVE icon
847
iShares S&P 500 Value ETF
IVE
$50.3B
$1.24M ﹤0.01%
8,374
-1,169
-12% -$172K
FLXN
848
DELISTED
Flexion Therapeutics, Inc.
FLXN
$1.24M ﹤0.01%
+150,100
New +$1.28M
RCL icon
849
Royal Caribbean
RCL
$82.9B
$1.23M ﹤0.01%
14,448
-1,720
-11% -$150K
ENV
850
DELISTED
ENVESTNET, INC.
ENV
$1.22M ﹤0.01%
16,110
-56,884
-78% -$4.18M
32 33
34
35 36

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.