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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
CMI icon
601
Cummins
CMI
$87B
$2.76M 0.01%
11,312
-47
-0.4% -$12K
RAMP icon
602
LiveRamp
RAMP
$2.31B
$2.73M 0.01%
58,253
-32,199
-36% -$1.55M
SRE icon
603
Sempra
SRE
$56.5B
$2.72M 0.01%
41,080
-2,140
-5% -$146K
HBAN icon
604
Huntington Bancshares
HBAN
$35.9B
$2.71M 0.01%
189,995
+64,185
+51% +$982K
IBB icon
605
iShares Biotechnology ETF
IBB
$9.77B
$2.71M 0.01%
16,547
-6,817
-29% -$1.05M
PEN icon
606
Penumbra
PEN
$12.9B
$2.71M 0.01%
9,879
-92
-0.9% -$25.1K
CHRW icon
607
C.H. Robinson
CHRW
$17.5B
$2.7M 0.01%
28,809
-141
-0.5% -$13.7K
CF icon
608
CF Industries
CF
$17.7B
$2.69M 0.01%
52,360
+7,555
+17% +$384K
ETR icon
609
Entergy
ETR
$49.9B
$2.68M 0.01%
53,788
+6,698
+14% +$353K
WCN
610
Waste Connections
WCN
$41.6B
$2.68M 0.01%
22,425
-10
-0% -$1.19K
SRPT icon
611
Sarepta Therapeutics
SRPT
$1.95B
$2.67M 0.01%
34,398
+1,488
+5% +$113K
VLO icon
612
Valero Energy
VLO
$98.7B
$2.66M 0.01%
34,069
+568
+2% +$44K
MAIN icon
613
Main Street Capital
MAIN
$5.54B
$2.66M 0.01%
64,703
-925
-1% -$38.4K
PPL
614
PPL Corp
PPL
$26.8B
$2.66M 0.01%
95,002
+12,657
+15% +$366K
LII icon
615
Lennox International
LII
$14.5B
$2.65M 0.01%
7,564
+124
+2% +$41.8K
GRUB
616
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
$2.65M 0.01%
145,271
+122,636
+542% +$13.2M
HZNP
617
DELISTED
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
$2.65M 0.01%
28,331
+373
+1% +$34.3K
DLTH icon
618
Duluth Holdings
DLTH
$151M
$2.65M 0.01%
128,444
-17,425
-12% -$287K
MTD icon
619
Mettler-Toledo International
MTD
$28.7B
$2.64M 0.01%
1,905
-87
-4% -$112K
A icon
620
Agilent Technologies
A
$42.2B
$2.63M 0.01%
17,792
-2,484
-12% -$339K
VNT icon
621
Vontier
VNT
$4.47B
$2.62M 0.01%
80,523
-31,816
-28% -$1.05M
IBN icon
622
ICICI Bank
IBN
$106B
$2.61M 0.01%
152,679
-200
-0.1% -$3.33K
OLO
623
DELISTED
Olo Inc
OLO
$2.61M 0.01%
+69,771
New +$2.21M
PHYS icon
624
Sprott Physical Gold
PHYS
$15.7B
$2.6M 0.01%
185,465
+72,432
+64% +$1.04M
IYW icon
625
iShares US Technology ETF
IYW
$25.7B
$2.6M 0.01%
26,158
+618
+2% +$57.6K
23 24
25
26 27

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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.