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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

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
XRAY icon
876
Dentsply Sirona
XRAY
$2.27B
$1.15M ﹤0.01%
18,130
-81
-0.4% -$5.33K
FVD icon
877
First Trust Value Line Dividend Fund
FVD
$8.4B
$1.14M ﹤0.01%
28,726
+2,403
+9% +$95.5K
CCJ icon
878
Cameco
CCJ
$43.1B
$1.14M ﹤0.01%
59,463
+513
+0.9% +$9.68K
SIVB
879
DELISTED
SVB Financial Group
SIVB
$1.13M ﹤0.01%
2,030
-8
-0.4% -$4.44K
HSIC icon
880
Henry Schein
HSIC
$10.1B
$1.11M ﹤0.01%
15,011
-68
-0.5% -$5.13K
RVTY icon
881
Revvity
RVTY
$13.2B
$1.11M ﹤0.01%
7,213
-300
-4% -$42.2K
NOVT icon
882
Novanta
NOVT
$6.32B
$1.11M ﹤0.01%
8,251
+281
+4% +$37.8K
KSU
883
DELISTED
Kansas City Southern
KSU
$1.1M ﹤0.01%
3,894
-228
-6% -$65.8K
THRY icon
884
Thryv Holdings
THRY
$92M
$1.1M ﹤0.01%
30,728
+9,458
+44% +$267K
XLB icon
885
State Street Materials Select Sector SPDR ETF
XLB
$8.57B
$1.09M ﹤0.01%
26,474
+2,252
+9% +$94.9K
PCAR icon
886
PACCAR
PCAR
$69B
$1.08M ﹤0.01%
18,222
-1,428
-7% -$87.5K
DCI icon
887
Donaldson
DCI
$11.2B
$1.08M ﹤0.01%
17,035
-248
-1% -$15.3K
KEY icon
888
KeyCorp
KEY
$24.5B
$1.08M ﹤0.01%
52,362
-4,339
-8% -$94.2K
SUSL icon
889
iShares ESG MSCI USA Leaders ETF
SUSL
$1.22B
$1.07M ﹤0.01%
14,316
+15
+0.1% +$1.09K
WBT
890
DELISTED
Welbilt, Inc.
WBT
$1.07M ﹤0.01%
46,256
-1,561
-3% -$33.1K
LL
891
DELISTED
LL Flooring Holdings, Inc.
LL
$1.07M ﹤0.01%
50,595
+930
+2% +$21.9K
IWY icon
892
iShares Russell Top 200 Growth ETF
IWY
$16.7B
$1.07M ﹤0.01%
7,082
– –
SLRC icon
893
SLR Investment Corp
SLRC
$700M
$1.07M ﹤0.01%
57,243
+15,881
+38% +$298K
BBEU icon
894
JPMorgan BetaBuilders Europe ETF
BBEU
$9.53B
$1.06M ﹤0.01%
+18,177
New +$1.06M
PWR icon
895
Quanta Services
PWR
$102B
$1.06M ﹤0.01%
11,704
-4,017
-26% -$377K
BLDR icon
896
Builders FirstSource
BLDR
$7.79B
$1.06M ﹤0.01%
24,765
+8,325
+51% +$386K
AMLP icon
897
Alerian MLP ETF
AMLP
$13.1B
$1.05M ﹤0.01%
28,790
-4,354
-13% -$149K
BF.B icon
898
Brown-Forman Class B
BF.B
$12.8B
$1.05M ﹤0.01%
13,969
-156
-1% -$11.9K
SCHG icon
899
Schwab US Large-Cap Growth ETF
SCHG
$63.2B
$1.04M ﹤0.01%
57,176
+520
+0.9% +$9K
VIGI icon
900
Vanguard International Dividend Appreciation ETF
VIGI
$9.32B
$1.04M ﹤0.01%
11,878
+5,347
+82% +$462K
34 35
36
37 38

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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.