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
DIA icon
201
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$48.2B
$25.6M 0.09%
74,208
+5,147
+7% +$1.76M
HEI icon
202
HEICO Corp
HEI
$51.4B
$25.5M 0.09%
182,717
-1,982
-1% -$273K
CSCO icon
203
Cisco
CSCO
$485B
$25.4M 0.09%
480,188
-9,909
-2% -$521K
MU icon
204
Micron Technology
MU
$1.05T
$25.2M 0.09%
296,989
+9,903
+3% +$836K
SPSB icon
205
State Street SPDR Portfolio Short Term Corporate Bond ETF
SPSB
$10.8B
$24.7M 0.09%
788,446
+561,525
+247% +$17.6M
BAH icon
206
Booz Allen Hamilton
BAH
$9.3B
$24.1M 0.08%
283,444
+36,778
+15% +$3.11M
AXON
207
Axon Enterprise
AXON
$49.5B
$23.7M 0.08%
133,849
+115,324
+623% +$17M
DVAX
208
DELISTED
Dynavax Technologies
DVAX
$23.4M 0.08%
2,375,215
+111,920
+5% +$1.02M
IWF icon
209
iShares Russell 1000 Growth ETF
IWF
$128B
$23.1M 0.08%
340,244
+14,676
+5% +$946K
BRK.A icon
210
Berkshire Hathaway Class A
BRK.A
$1.09T
$23M 0.08%
55
-38
-41% -$16M
T icon
211
AT&T
T
$167B
$23M 0.08%
1,057,481
-131,964
-11% -$3M
AZN icon
212
AstraZeneca
AZN
$245B
$22.9M 0.08%
190,823
+12,228
+7% +$1.34M
ESGD icon
213
iShares ESG Aware MSCI EAFE ETF
ESGD
$12.3B
$22.8M 0.08%
287,894
+628
+0.2% +$50K
RDFN
214
DELISTED
Redfin
RDFN
$22.5M 0.08%
354,084
+2,319
+0.7% +$142K
PTON icon
215
Peloton Interactive
PTON
$2.4B
$22.4M 0.08%
180,808
-5,516
-3% -$587K
SHAK icon
216
Shake Shack
SHAK
$2.89B
$22M 0.08%
205,214
+2,110
+1% +$213K
FDX icon
217
FedEx
FDX
$76.4B
$21.4M 0.07%
71,607
+16,904
+31% +$5.02M
PLNT icon
218
Planet Fitness
PLNT
$3.68B
$21.2M 0.07%
281,689
+7,050
+3% +$561K
ILMN icon
219
Illumina
ILMN
$28.7B
$21.2M 0.07%
45,956
-471
-1% -$190K
EHC icon
220
Encompass Health
EHC
$12.3B
$21M 0.07%
338,166
+3,401
+1% +$227K
RTX icon
221
RTX Corp
RTX
$298B
$20.9M 0.07%
244,543
-6,940
-3% -$584K
VNQ icon
222
Vanguard Real Estate ETF
VNQ
$38.5B
$20.3M 0.07%
199,555
+341
+0.2% +$33.8K
APD icon
223
Air Products & Chemicals
APD
$68.2B
$20.3M 0.07%
70,562
-1,739
-2% -$510K
GDDY icon
224
GoDaddy
GDDY
$11.4B
$20.1M 0.07%
231,536
-20,688
-8% -$1.73M
ULTA icon
225
Ulta Beauty
ULTA
$23B
$20M 0.07%
57,856
-13,105
-18% -$4.3M
7 8
9
10 11

Similar funds

Empower Advisory Group
Empower Advisory Group Greenwood Village, Colorado $38.5B AUM 18.4% 1-Year Est. Return
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 Asset Management
Nomura Asset Management Tokyo, Japan $38.8B AUM 30.94% 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
Grantham, Mayo, Van Otterloo & Co (GMO)
Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts $39.1B AUM 28.69% 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.