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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
+13.98%
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
$27.3B
AUM Growth
+$3.7B
Cap. Flow
+$865M
Cap. Flow %
3.17%
Top 10 Hldgs %
25.38%
Holding
1,900
New
178
Increased
749
Reduced
623
Closed
72

Sector Composition

Rank Sector Weight
1 Technology 27.82%
2 Healthcare 18.6%
3 Financials 11.15%
4 Consumer Discretionary 10.38%
5 Industrials 8.96%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
JETS icon
876
US Global Jets ETF
JETS
$832M
$919K ﹤0.01%
41,067
+3,917
+11% +$78.9K
DHS icon
877
WisdomTree US High Dividend Fund
DHS
$1.6B
$918K ﹤0.01%
13,230
-55
-0.4% -$3.67K
HQY icon
878
HealthEquity
HQY
$8.83B
$917K ﹤0.01%
13,149
-250
-2% -$15.6K
SCHG icon
879
Schwab US Large-Cap Growth ETF
SCHG
$63.2B
$916K ﹤0.01%
57,096
-792
-1% -$12K
SIMS icon
880
State Street SPDR S&P Kensho Intelligent Structures ETF
SIMS
$8.69M
$916K ﹤0.01%
+21,748
New +$808K
DOC icon
881
Healthpeak Properties
DOC
$14.3B
$914K ﹤0.01%
30,225
-4,523
-13% -$132K
WMB icon
882
Williams Companies
WMB
$89.3B
$914K ﹤0.01%
45,570
-5,687
-11% -$115K
PSXP
883
DELISTED
PHILLIPS 66 PARTNERS LP
PSXP
$913K ﹤0.01%
34,565
DCI icon
884
Donaldson
DCI
$11.1B
$910K ﹤0.01%
16,276
-1,322
-8% -$69.8K
BYSI icon
885
BeyondSpring
BYSI
$41M
$909K ﹤0.01%
74,500
+39,850
+115% +$524K
IQV icon
886
IQVIA
IQV
$39.8B
$908K ﹤0.01%
5,070
+150
+3% +$25.3K
EFV icon
887
iShares MSCI EAFE Value ETF
EFV
$30.1B
$903K ﹤0.01%
19,122
+3,546
+23% +$156K
IFF icon
888
International Flavors & Fragrances
IFF
$21.4B
$900K ﹤0.01%
8,268
+5,996
+264% +$673K
TWO
889
Two Harbors Investment
TWO
$1.26B
$897K ﹤0.01%
35,192
-7,131
-17% -$169K
KEY icon
890
KeyCorp
KEY
$24.6B
$891K ﹤0.01%
54,306
+7,165
+15% +$104K
SUI icon
891
Sun Communities
SUI
$14.6B
$890K ﹤0.01%
5,858
+207
+4% +$30K
IEI icon
892
iShares 3-7 Year Treasury Bond ETF
IEI
$17.7B
$885K ﹤0.01%
6,655
+4,203
+171% +$559K
INSG icon
893
Inseego
INSG
$77.7M
$882K ﹤0.01%
5,700
-942
-14% -$104K
EEFT icon
894
Euronet Worldwide
EEFT
$2.78B
$878K ﹤0.01%
6,056
-63
-1% -$7.33K
FDS icon
895
Factset
FDS
$10.2B
$878K ﹤0.01%
2,642
+147
+6% +$48.6K
AES icon
896
AES
AES
$10.5B
$877K ﹤0.01%
37,305
-4,775
-11% -$99.2K
MOAT icon
897
VanEck Morningstar Wide Moat ETF
MOAT
$12.5B
$877K ﹤0.01%
14,147
+1,464
+12% +$86.2K
FINX icon
898
Global X FinTech ETF
FINX
$173M
$874K ﹤0.01%
18,709
+8,635
+86% +$360K
TFX icon
899
Teleflex
TFX
$5.82B
$873K ﹤0.01%
2,121
-259
-11% -$95.6K
PHM icon
900
Pultegroup
PHM
$24.9B
$871K ﹤0.01%
20,210
-5,223
-21% -$231K

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William Blair & Company's Q4 2020 Portfolio in Review

As of Q4 2020, William Blair & Company held 1,900 positions worth $27.3B, up 16% from $23.6B the previous quarter. Its ten largest holdings account for 25% of the portfolio.

William Blair & Company deployed $865M of net new capital in Q4 2020, opening 178 new positions and adding to 749 existing holdings. Its largest new stake was Seagen Inc. Common Stock: 91,539 shares worth $16M.

By sector, the portfolio is most concentrated in Technology at 28% of assets, up from 27% a quarter earlier, followed by Healthcare and Financials.

On the sell side, the largest reduction was Slack Technologies, Inc., an estimated $24.2M trimmed.

  • William Blair & Company's largest Q4 2020 buy was Seagen Inc. Common Stock: 91,539 shares worth $16M.
  • William Blair & Company added most to Splunk Inc in Q4 2020, an estimated $77.8M increase.
  • William Blair & Company's biggest Q4 2020 reduction was Slack Technologies, Inc., cutting an estimated $24.2M.
  • William Blair & Company fully exited Dunkin' Brands Group, Inc. in Q4 2020, selling an estimated $12.1M.
  • William Blair & Company's ten largest holdings make up 25% of its $27.3B portfolio in Q4 2020.
  • William Blair & Company opened 178 new positions and closed 72 in Q4 2020.
  • William Blair & Company's portfolio value rose 16% quarter-over-quarter to $27.3B.

Based on William Blair & Company's 13F filing for Q4 2020, filed 9 Feb 2021.