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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
RSPH icon
1251
Invesco S&P 500 Equal Weight Health Care ETF
RSPH
$795M
$224K ﹤0.01%
9,500
-250
-3% -$5.88K
TKR icon
1252
Timken Company
TKR
$9.11B
$224K ﹤0.01%
+4,127
New +$213K
LAKE icon
1253
Lakeland Industries
LAKE
$119M
$223K ﹤0.01%
+11,250
New +$246K
BOX icon
1254
Box
BOX
$4.49B
$220K ﹤0.01%
+12,650
New +$234K
IYZ icon
1255
iShares US Telecommunications ETF
IYZ
$1.24B
$218K ﹤0.01%
8,015
-7,633
-49% -$216K
LVS icon
1256
Las Vegas Sands
LVS
$29.6B
$218K ﹤0.01%
4,669
-732
-14% -$35K
BUSE icon
1257
First Busey Corp
BUSE
$2.6B
$217K ﹤0.01%
+13,666
New +$238K
AYX
1258
DELISTED
Alteryx Inc
AYX
$217K ﹤0.01%
1,914
-828
-30% -$113K
FE icon
1259
FirstEnergy
FE
$27.3B
$216K ﹤0.01%
+7,523
New +$236K
KWR icon
1260
Quaker Houghton
KWR
$2.94B
$216K ﹤0.01%
1,200
FDUS icon
1261
Fidus Investment
FDUS
$754M
$215K ﹤0.01%
21,840
-2
-0% -$19
PAA icon
1262
Plains All American Pipeline
PAA
$16.4B
$215K ﹤0.01%
36,025
-5,344
-13% -$39.8K
USO icon
1263
United States Oil Fund
USO
$1.78B
$215K ﹤0.01%
7,602
-746
-9% -$21.8K
FIZZ icon
1264
National Beverage
FIZZ
$2.93B
$214K ﹤0.01%
+6,288
New +$220K
HLNE icon
1265
Hamilton Lane
HLNE
$5.73B
$214K ﹤0.01%
+3,320
New +$227K
UFPI icon
1266
UFP Industries
UFPI
$5.07B
$214K ﹤0.01%
+3,783
New +$213K
FCCO icon
1267
First Community Corp
FCCO
$325M
$213K ﹤0.01%
15,620
FUN icon
1268
Cedar Fair
FUN
$1.73B
$212K ﹤0.01%
7,552
-472
-6% -$13.1K
HAIN icon
1269
Hain Celestial
HAIN
$54.2M
$212K ﹤0.01%
6,191
-392
-6% -$13K
ITM icon
1270
VanEck Intermediate Muni ETF
ITM
$2.14B
$212K ﹤0.01%
4,125
-235
-5% -$12.1K
WDFC icon
1271
WD-40
WDFC
$3.1B
$210K ﹤0.01%
+1,109
New +$218K
DOX icon
1272
Amdocs
DOX
$6.11B
$209K ﹤0.01%
3,636
-50
-1% -$2.99K
GRBK icon
1273
Green Brick Partners
GRBK
$3.03B
$209K ﹤0.01%
13,000
JD icon
1274
JD.com
JD
$39B
$209K ﹤0.01%
+2,691
New +$187K
IDU icon
1275
iShares US Utilities ETF
IDU
$1.38B
$208K ﹤0.01%
2,850

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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.