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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
+606.62%
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 25.75%
2 Healthcare 19.72%
3 Financials 11.71%
4 Consumer Discretionary 10.72%
5 Industrials 9.79%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TWST icon
1351
Twist Bioscience
TWST
$9.16B
$285K ﹤0.01%
2,139
-122
-5% -$14.2K
MGV icon
1352
Vanguard Morningstar Mega Cap Value ETF
MGV
$13.6B
$283K ﹤0.01%
2,841
+128
+5% +$12.7K
NCLH icon
1353
Norwegian Cruise Line
NCLH
$6.56B
$283K ﹤0.01%
9,623
-250
-3% -$7.54K
NWL icon
1354
Newell Brands
NWL
$2.4B
$282K ﹤0.01%
10,278
-1,150
-10% -$31.7K
TCS
1355
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
$282K ﹤0.01%
1,440
– –
AL
1356
DELISTED
Air Lease Corp
AL
$281K ﹤0.01%
6,735
-1,500
-18% -$69.7K
TRGP icon
1357
Targa Resources
TRGP
$61.3B
$281K ﹤0.01%
+6,316
New +$244K
TILT icon
1358
Northern Trust Morningstar US Market Factor Tilt ETF
TILT
$2.21B
$279K ﹤0.01%
1,641
– –
CACI icon
1359
CACI
CACI
$14.1B
$277K ﹤0.01%
1,085
-799
-42% -$206K
GL icon
1360
Globe Life
GL
$13.3B
$277K ﹤0.01%
2,908
-10
-0.3% -$1.02K
PRGO icon
1361
Perrigo
PRGO
$1.88B
$277K ﹤0.01%
6,035
-1,800
-23% -$79.8K
XNTK icon
1362
State Street SPDR NYSE Technology ETF
XNTK
$1.87B
$276K ﹤0.01%
1,734
+200
+13% +$29.9K
HL icon
1363
Hecla Mining
HL
$12.5B
$275K ﹤0.01%
36,959
-40,139
-52% -$302K
ONC
1364
BeOne Medicines Ltd
ONC
$39.2B
$275K ﹤0.01%
800
– –
ELF icon
1365
e.l.f. Beauty
ELF
$5.63B
$273K ﹤0.01%
10,069
-21,000
-68% -$601K
GNR icon
1366
State Street SPDR S&P Global Natural Resources ETF
GNR
$5.25B
$273K ﹤0.01%
5,147
-1,039
-17% -$55.8K
ALXN
1367
DELISTED
Alexion Pharmaceuticals
ALXN
$273K ﹤0.01%
1,486
-331
-18% -$56.8K
AGI icon
1368
Alamos Gold
AGI
$14.7B
$272K ﹤0.01%
35,613
+2
+0% +$17
HBI
1369
DELISTED
Hanesbrands
HBI
$272K ﹤0.01%
14,546
– –
MFNC
1370
DELISTED
Mackinac Financial Corporation
MFNC
$272K ﹤0.01%
13,768
-800
-5% -$16.3K
AYI icon
1371
Acuity Brands
AYI
$8.98B
$271K ﹤0.01%
1,451
-1,354
-48% -$246K
BUSE icon
1372
First Busey Corp
BUSE
$2.52B
$271K ﹤0.01%
11,000
– –
ETON icon
1373
Eton Pharmaceutcials
ETON
$1.57B
$271K ﹤0.01%
+44,000
New +$326K
RITM icon
1374
Rithm Capital
RITM
$5.34B
$271K ﹤0.01%
25,602
+204
+0.8% +$2.17K
VRSN icon
1375
VeriSign
VRSN
$26.9B
$271K ﹤0.01%
1,189
+100
+9% +$21.8K
53 54
55
56 57

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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.