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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
NEM icon
676
Newmont
NEM
$120B
$2.24M 0.01%
35,410
+74
+0.2% +$4.96K
QRVO icon
677
Qorvo
QRVO
$8.68B
$2.24M 0.01%
11,461
+426
+4% +$78.6K
EBAY icon
678
eBay
EBAY
$46.5B
$2.22M 0.01%
31,639
-211
-0.7% -$13.2K
SUSA icon
679
iShares ESG Optimized MSCI USA ETF
SUSA
$4.21B
$2.2M 0.01%
23,007
+151
+0.7% +$14K
GGT
680
Gabelli Multimedia Trust
GGT
$175M
$2.19M 0.01%
198,653
+2,707
+1% +$27.5K
GH icon
681
Guardant Health
GH
$21.4B
$2.19M 0.01%
17,616
-193
-1% -$26K
EQR icon
682
Equity Residential
EQR
$24.7B
$2.18M 0.01%
28,330
-1,289
-4% -$97.4K
HIMS icon
683
Hims & Hers Health
HIMS
$6.71B
$2.17M 0.01%
199,319
+70,621
+55% +$840K
MTCH icon
684
Match Group
MTCH
$8.56B
$2.17M 0.01%
13,455
-510
-4% -$74.7K
WELL icon
685
Welltower
WELL
$169B
$2.17M 0.01%
26,078
-8,139
-24% -$623K
DKNG icon
686
DraftKings
DKNG
$12.6B
$2.15M 0.01%
41,120
+18
+0% +$950
VERV
687
DELISTED
Verve Therapeutics
VERV
$2.15M 0.01%
+35,600
New +$1.48M
BHC icon
688
Bausch Health
BHC
$2.37B
$2.13M 0.01%
72,820
-48,888
-40% -$1.48M
ALBO
689
DELISTED
Albireo Pharma Inc
ALBO
$2.13M 0.01%
60,542
+1,117
+2% +$36.3K
SNPS icon
690
Synopsys
SNPS
$78.8B
$2.12M 0.01%
7,697
-414
-5% -$105K
RVNC
691
DELISTED
Revance Therapeutics, Inc.
RVNC
$2.09M 0.01%
70,634
+29,120
+70% +$840K
LSTR icon
692
Landstar System
LSTR
$6.4B
$2.09M 0.01%
13,224
-1,107
-8% -$186K
CRON
693
Cronos Group
CRON
$1.16B
$2.09M 0.01%
242,767
– –
ACWI icon
694
iShares MSCI ACWI ETF
ACWI
$33.6B
$2.09M 0.01%
20,624
-333
-2% -$33.2K
LEN icon
695
Lennar Class A
LEN
$21.1B
$2.08M 0.01%
21,601
+150
+0.7% +$14.5K
MAR icon
696
Marriott International
MAR
$91.9B
$2.07M 0.01%
15,153
-2,138
-12% -$308K
IDV icon
697
iShares International Select Dividend ETF
IDV
$8.53B
$2.06M 0.01%
63,744
+12,987
+26% +$428K
TFC icon
698
Truist Financial
TFC
$64.7B
$2.06M 0.01%
37,215
-15,810
-30% -$929K
GAIN icon
699
Gladstone Investment Corp
GAIN
$658M
$2.04M 0.01%
141,889
+6,050
+4% +$84.4K
KMPR icon
700
Kemper
KMPR
$1.59B
$2.04M 0.01%
27,664
-2,148
-7% -$166K
26 27
28
29 30

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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.