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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
AVY icon
776
Avery Dennison
AVY
$13.6B
$919K ﹤0.01%
7,188
-4,351
-38% -$513K
NLY icon
777
Annaly Capital Management
NLY
$17.6B
$917K ﹤0.01%
32,203
+5,602
+21% +$162K
FFIC
778
DELISTED
Flushing Financial
FFIC
$916K ﹤0.01%
87,033
-1,500
-2% -$17K
ASML icon
779
ASML
ASML
$710B
$911K ﹤0.01%
2,466
+159
+7% +$59.4K
NYT icon
780
New York Times
NYT
$10.3B
$906K ﹤0.01%
21,167
+27
+0.1% +$1.18K
O icon
781
Realty Income
O
$59.6B
$901K ﹤0.01%
15,309
+1,008
+7% +$59.6K
PETQ
782
DELISTED
PetIQ, Inc. Class A Common Stock
PETQ
$894K ﹤0.01%
27,148
-2,590
-9% -$86.3K
RCKT icon
783
Rocket Pharmaceuticals
RCKT
$367M
$892K ﹤0.01%
39,004
+221
+0.6% +$5.45K
HDB icon
784
HDFC Bank
HDB
$119B
$888K ﹤0.01%
35,548
-2,558
-7% -$62.1K
KEYS icon
785
Keysight
KEYS
$60.5B
$886K ﹤0.01%
8,972
+2,630
+41% +$258K
TER icon
786
Teradyne
TER
$64.2B
$886K ﹤0.01%
11,149
+17
+0.2% +$1.44K
TIG
787
DELISTED
Trean Insurance Group, Inc. Common Stock
TIG
$884K ﹤0.01%
+57,939
New +$883K
CIVB icon
788
Civista Bancshares
CIVB
$595M
$875K ﹤0.01%
69,890
-400
-0.6% -$5.46K
PWR icon
789
Quanta Services
PWR
$101B
$873K ﹤0.01%
16,509
-3,753
-19% -$175K
WTFC icon
790
Wintrust Financial
WTFC
$11B
$871K ﹤0.01%
21,749
+3
+0% +$128
DSGX icon
791
Descartes Systems
DSGX
$6.62B
$870K ﹤0.01%
15,266
+2,105
+16% +$116K
WSM icon
792
Williams-Sonoma
WSM
$28.5B
$868K ﹤0.01%
19,188
-704
-4% -$31.3K
DDOG icon
793
Datadog
DDOG
$90.6B
$866K ﹤0.01%
8,480
+1,177
+16% +$102K
ESI icon
794
Element Solutions
ESI
$9.51B
$866K ﹤0.01%
82,375
-16
-0% -$175
TWO
795
Two Harbors Investment
TWO
$1.26B
$862K ﹤0.01%
42,323
+3,473
+9% +$73.7K
BCO icon
796
Brink's
BCO
$4.72B
$853K ﹤0.01%
20,758
+1,783
+9% +$78.6K
REGN icon
797
Regeneron Pharmaceuticals
REGN
$83B
$851K ﹤0.01%
1,521
+173
+13% +$105K
PZA icon
798
Invesco National AMT-Free Municipal Bond ETF
PZA
$4.27B
$849K ﹤0.01%
31,887
VVNT
799
DELISTED
Vivint Smart Home, Inc. Class A Common Stock
VVNT
$848K ﹤0.01%
49,644
SH icon
800
ProShares Short S&P500
SH
$839M
$846K ﹤0.01%
10,404
-5,542
-35% -$460K

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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.