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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
+12.53%
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
$23.6B
AUM Growth
+$2.6B
Cap. Flow
+$316M
Cap. Flow %
1.34%
Top 10 Hldgs %
26.84%
Holding
1,800
New
126
Increased
679
Reduced
652
Closed
80

Top Buys

Rank Stock Value
1
QDEL icon
QuidelOrtho
QDEL
+$40.3M
2
TDOC icon
Teladoc Health
TDOC
+$32.5M
3
CTAS icon
Cintas
CTAS
+$25.5M
4
ECL icon
Ecolab
ECL
+$25.4M
5
FTV icon
Fortive
FTV
+$24M

Top Sells

Rank Stock Value
1
GS icon
Goldman Sachs
GS
+$46.7M
2
GWRE icon
Guidewire Software
GWRE
+$38.9M
3
ANET icon
Arista Networks
ANET
+$31.4M
4
V icon
Visa
V
+$25.9M
5
PFNX
Pfenex Inc.
PFNX
+$25.4M

Sector Composition

Rank Sector Weight
1 Technology 27.37%
2 Healthcare 19.68%
3 Financials 10.88%
4 Consumer Discretionary 10.56%
5 Industrials 8.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
HELE icon
826
Helen of Troy
HELE
$699M
$790K ﹤0.01%
4,083
+595
+17% +$118K
SSNC icon
827
SS&C Technologies
SSNC
$19.3B
$790K ﹤0.01%
13,054
+2,194
+20% +$131K
RVTY icon
828
Revvity
RVTY
$13.1B
$783K ﹤0.01%
6,235
-598
-9% -$68.7K
XLB icon
829
State Street Materials Select Sector SPDR ETF
XLB
$8.57B
$783K ﹤0.01%
24,604
+1,038
+4% +$32.2K
ARES icon
830
Ares Management
ARES
$33.7B
$780K ﹤0.01%
19,303
+2,211
+13% +$88.3K
TDY icon
831
Teledyne Technologies
TDY
$31.2B
$779K ﹤0.01%
2,511
+16
+0.6% +$5.05K
URTH icon
832
iShares MSCI World ETF
URTH
$8.4B
$778K ﹤0.01%
7,816
+25
+0.3% +$2.47K
IQV icon
833
IQVIA
IQV
$39.8B
$776K ﹤0.01%
4,920
+202
+4% +$31.7K
IBDO
834
DELISTED
iShares iBonds Dec 2023 Term Corporate ETF
IBDO
$776K ﹤0.01%
+29,600
New +$777K
RWT
835
Redwood Trust
RWT
$599M
$769K ﹤0.01%
102,274
+3,197
+3% +$22.6K
AES icon
836
AES
AES
$10.5B
$762K ﹤0.01%
+42,080
New +$703K
FUSB icon
837
First US Bancshares
FUSB
$90.7M
$762K ﹤0.01%
115,000
-500
-0.4% -$3.24K
TOTL icon
838
State Street DoubleLine Total Return Tactical ETF
TOTL
$4.01B
$758K ﹤0.01%
15,364
-1,367
-8% -$67.8K
CFG icon
839
Citizens Financial Group
CFG
$31.2B
$757K ﹤0.01%
29,943
+4,603
+18% +$117K
GMED icon
840
Globus Medical
GMED
$11.5B
$756K ﹤0.01%
15,262
+1,400
+10% +$72.2K
MTX icon
841
Minerals Technologies
MTX
$2.26B
$754K ﹤0.01%
14,760
– –
F icon
842
Ford
F
$55.4B
$750K ﹤0.01%
112,656
+23,666
+27% +$160K
IEV icon
843
iShares Europe ETF
IEV
$1.7B
$747K ﹤0.01%
17,843
-2,125
-11% -$90.8K
DRI icon
844
Darden Restaurants
DRI
$25.4B
$745K ﹤0.01%
7,396
-1,601
-18% -$133K
IYR icon
845
iShares US Real Estate ETF
IYR
$4.58B
$744K ﹤0.01%
9,321
+474
+5% +$38.3K
RCL icon
846
Royal Caribbean
RCL
$82.9B
$742K ﹤0.01%
11,460
-1,306
-10% -$76.9K
DAL icon
847
Delta Air Lines
DAL
$60B
$741K ﹤0.01%
24,233
+3,340
+16% +$96.3K
DLN icon
848
WisdomTree US LargeCap Dividend Fund
DLN
$6.45B
$741K ﹤0.01%
15,266
-16,184
-51% -$786K
SUNS
849
DELISTED
SLR Senior Investment Corp. Common Stock
SUNS
$735K ﹤0.01%
58,364
– –
DG icon
850
Dollar General
DG
$26.9B
$726K ﹤0.01%
3,465
+17
+0.5% +$3.34K
32 33
34
35 36

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William Blair & Company's Q3 2020 Portfolio in Review

As of Q3 2020, William Blair & Company held 1,800 positions worth $23.6B, up 12% from $21B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

William Blair & Company's Q3 2020 filing shows 126 new, 679 increased, 652 reduced and 80 closed positions. Its largest new stake was Unity: 72,858 shares worth $6.36M. The largest sale was Goldman Sachs, an estimated $46.7M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 27% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2020 buy was Unity: 72,858 shares worth $6.36M.
  • William Blair & Company added most to QuidelOrtho in Q3 2020, an estimated $40.3M increase.
  • William Blair & Company's biggest Q3 2020 reduction was Goldman Sachs, cutting an estimated $46.7M.
  • William Blair & Company fully exited Pfenex Inc. in Q3 2020, selling an estimated $25.4M.
  • William Blair & Company's ten largest holdings make up 27% of its $23.6B portfolio in Q3 2020.
  • William Blair & Company opened 126 new positions and closed 80 in Q3 2020.
  • William Blair & Company's portfolio value rose 12% quarter-over-quarter to $23.6B.

Based on William Blair & Company's 13F filing for Q3 2020, filed 6 Nov 2020.