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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
JBTM
626
JBT Marel
JBTM
$6.1B
$2.6M 0.01%
18,192
-419
-2% -$58.5K
CARR icon
627
Carrier Global
CARR
$52.2B
$2.59M 0.01%
53,337
-3,637
-6% -$163K
SPEM icon
628
State Street SPDR Portfolio Emerging Markets ETF
SPEM
$17.7B
$2.57M 0.01%
56,523
+2,726
+5% +$122K
SUB icon
629
iShares Short-Term National Muni Bond ETF
SUB
$11.4B
$2.56M 0.01%
23,749
+3,480
+17% +$375K
VDC icon
630
Vanguard Consumer Staples ETF
VDC
$8.03B
$2.55M 0.01%
13,974
+739
+6% +$135K
BDSI
631
DELISTED
BioDelivery Sciences International, Inc.
BDSI
$2.55M 0.01%
711,236
-281,533
-28% -$993K
HIW icon
632
Highwoods Properties
HIW
$3.51B
$2.54M 0.01%
56,163
+8,933
+19% +$402K
SLV icon
633
iShares Silver Trust
SLV
$31.3B
$2.53M 0.01%
104,318
+722
+0.7% +$17.9K
CPAY icon
634
Corpay
CPAY
$27.9B
$2.5M 0.01%
9,781
-13,305
-58% -$3.68M
VERU icon
635
Veru
VERU
$46M
$2.5M 0.01%
30,993
+500
+2% +$44K
STIM icon
636
Neuronetics
STIM
$211M
$2.49M 0.01%
155,357
+5,242
+3% +$72.4K
HUM icon
637
Humana
HUM
$46.2B
$2.48M 0.01%
5,614
+2,203
+65% +$962K
TLRY icon
638
Tilray
TLRY
$640M
$2.48M 0.01%
+13,728
New +$2.41M
EVER icon
639
EverQuote
EVER
$864M
$2.48M 0.01%
75,814
+41,026
+118% +$1.37M
MXIM
640
DELISTED
Maxim Integrated Products
MXIM
$2.48M 0.01%
23,496
-134
-0.6% -$13.1K
VTEB icon
641
Vanguard Tax-Exempt Bond Index Fund
VTEB
$46.1B
$2.47M 0.01%
44,686
+6,566
+17% +$362K
RY icon
642
Royal Bank of Canada
RY
$299B
$2.46M 0.01%
24,304
+16
+0.1% +$1.59K
SPDW icon
643
State Street SPDR Portfolio Developed World ex-US ETF
SPDW
$42B
$2.46M 0.01%
66,881
+1,513
+2% +$56.1K
VV icon
644
Vanguard Morningstar Large-Cap ETF
VV
$54.9B
$2.46M 0.01%
12,246
+28
+0.2% +$5.46K
HTGC icon
645
Hercules Capital
HTGC
$3.17B
$2.46M 0.01%
+143,942
New +$2.46M
VCYT icon
646
Veracyte
VCYT
$3.42B
$2.46M 0.01%
61,408
-5,535
-8% -$237K
BND icon
647
Vanguard Total Bond Market
BND
$162B
$2.44M 0.01%
28,390
-29,599
-51% -$2.52M
ITT icon
648
ITT
ITT
$19.4B
$2.44M 0.01%
26,595
-203
-0.8% -$18.9K
OEF icon
649
iShares S&P 100 ETF
OEF
$20.6B
$2.42M 0.01%
12,362
-397
-3% -$75.4K
VOD icon
650
Vodafone
VOD
$37.5B
$2.41M 0.01%
140,928
-2,599
-2% -$48.7K
24 25
26
27 28

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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.