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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
BFH icon
1426
Bread Financial
BFH
$4.51B
$238K ﹤0.01%
2,867
-858
-23% -$77.6K
SEE
1427
DELISTED
Sealed Air
SEE
$238K ﹤0.01%
+4,013
New +$216K
DWM icon
1428
WisdomTree International Equity Fund
DWM
$694M
$236K ﹤0.01%
4,336
+14
+0.3% +$770
SH icon
1429
ProShares Short S&P500
SH
$839M
$236K ﹤0.01%
3,826
-1,425
-27% -$90.5K
AG icon
1430
First Majestic Silver
AG
$9.26B
$235K ﹤0.01%
14,868
+101
+0.7% +$1.68K
BKH icon
1431
Black Hills Corp
BKH
$5.64B
$235K ﹤0.01%
3,574
-2,271
-39% -$154K
DSGR icon
1432
Distribution Solutions Group
DSGR
$1.61B
$235K ﹤0.01%
8,800
-11,650
-57% -$321K
CLLS
1433
Cellectis
CLLS
$320M
$234K ﹤0.01%
15,150
+750
+5% +$12.6K
GNTX icon
1434
Gentex
GNTX
$4.99B
$234K ﹤0.01%
7,082
-385
-5% -$13.4K
AY
1435
DELISTED
Atlantica Sustainable Infrastructure plc Ordinary Shares
AY
$234K ﹤0.01%
6,274
-5,745
-48% -$213K
BIO icon
1436
Bio-Rad Laboratories Class A
BIO
$9.66B
$233K ﹤0.01%
362
+4
+1% +$2.43K
CLNE icon
1437
Clean Energy Fuels
CLNE
$395M
$233K ﹤0.01%
22,950
+12,600
+122% +$130K
FDD icon
1438
First Trust STOXX European Select Dividend Income Fund
FDD
$909M
$233K ﹤0.01%
16,107
-1,048
-6% -$15.6K
QLTA icon
1439
iShares AAA-A Rated Corporate Bond ETF
QLTA
$1.22B
$233K ﹤0.01%
4,092
-3,157
-44% -$177K
HES
1440
DELISTED
Hess
HES
$231K ﹤0.01%
2,649
-642
-20% -$51.8K
SYBT icon
1441
Stock Yards Bancorp
SYBT
$2.64B
$231K ﹤0.01%
4,533
-533
-11% -$27.5K
BIPC icon
1442
Brookfield Infrastructure
BIPC
$5.01B
$229K ﹤0.01%
4,562
+582
+15% +$28.1K
BIG
1443
DELISTED
Big Lots, Inc.
BIG
$228K ﹤0.01%
3,461
-3,419
-50% -$228K
INVH icon
1444
Invitation Homes
INVH
$18B
$226K ﹤0.01%
6,053
-544
-8% -$19.2K
BAB icon
1445
Invesco Taxable Municipal Bond ETF
BAB
$1.01B
$225K ﹤0.01%
6,786
– –
NSIT icon
1446
Insight Enterprises
NSIT
$4.6B
$225K ﹤0.01%
2,245
-20
-0.9% -$2.02K
PFG icon
1447
Principal Financial Group
PFG
$24.6B
$224K ﹤0.01%
+3,540
New +$226K
ATO icon
1448
Atmos Energy
ATO
$28.7B
$223K ﹤0.01%
2,322
-122
-5% -$12.2K
NVTA
1449
DELISTED
Invitae Corporation
NVTA
$223K ﹤0.01%
6,599
-1,200
-15% -$39K
CLOVW
1450
DELISTED
Clover Health Investments, Corp. Warrants
CLOVW
$223K ﹤0.01%
43,749
-104,033
-70% -$341K
56 57
58
59 60

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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.