We are live on ! Find out more
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

Top Buys

Rank Stock Value
1
SPLK
Splunk Inc
SPLK
+$77.8M
2
GD icon
General Dynamics
GD
+$49.6M
3
ROK icon
Rockwell Automation
ROK
+$43.3M
4
LMBS icon
First Trust Exchange-Traded Fund IV First Trust Low Duration Opportunities ETF
LMBS
+$32.3M
5
JPM icon
JPMorgan Chase
JPM
+$30.6M

Top Sells

Rank Stock Value
1
WORK
Slack Technologies, Inc.
WORK
+$24.2M
2
NTRS icon
Northern Trust
NTRS
+$24.1M
3
BKNG icon
Booking.com
BKNG
+$22.5M
4
EXEL icon
Exelixis
EXEL
+$17.5M
5
DOCU
DocuSign
DOCU
+$15M

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
IYM icon
1651
iShares US Basic Materials ETF
IYM
$1.02B
$27K ﹤0.01%
239
-84
-26% -$8.95K
TLH icon
1652
iShares 10-20 Year Treasury Bond ETF
TLH
$10.8B
$27K ﹤0.01%
+168
New +$27.2K
EEMS icon
1653
iShares MSCI Emerging Markets Small-Cap ETF
EEMS
$379M
$26K ﹤0.01%
500
– –
JHML icon
1654
John Hancock Multifactor Large Cap ETF
JHML
$1.2B
$26K ﹤0.01%
557
– –
RSPT icon
1655
Invesco S&P 500 Equal Weight Technology ETF
RSPT
$5.95B
$26K ﹤0.01%
1,040
– –
NBEV
1656
DELISTED
NewAge, Inc. Common Stock (Delaware)
NBEV
$26K ﹤0.01%
10,000
– –
AAXJ icon
1657
iShares MSCI All Country Asia ex Japan ETF
AAXJ
$3.83B
$25K ﹤0.01%
284
+141
+99% +$11.8K
ARI
1658
Apollo Commercial Real Estate
ARI
$885M
$25K ﹤0.01%
2,200
-7,750
-78% -$79.5K
SLY
1659
DELISTED
SPDR S&P 600 Small Cap ETF (based on S&P SmallCap 600 Index--symbol SML)
SLY
$25K ﹤0.01%
320
– –
GALT icon
1660
Galectin Therapeutics
GALT
$317M
$24K ﹤0.01%
10,756
– –
GNR icon
1661
State Street SPDR S&P Global Natural Resources ETF
GNR
$4.95B
$24K ﹤0.01%
534
+11
+2% +$454
AMPE
1662
DELISTED
Ampio Pharmaceuticals Inc.
AMPE
$24K ﹤0.01%
50
– –
GENZ
1663
VanEck Digital Native Economy ETF
GENZ
$17.5M
$23K ﹤0.01%
+500
New +$21.2K
CSD icon
1664
Invesco S&P Spin-Off ETF
CSD
$232M
$23K ﹤0.01%
410
– –
WIP icon
1665
State Street SPDR FTSE International Government Inflation-Protected Bond ETF
WIP
$474M
$23K ﹤0.01%
400
– –
EWZS icon
1666
iShares MSCI Brazil Small-Cap ETF
EWZS
$209M
$22K ﹤0.01%
1,300
– –
CZA icon
1667
Invesco Zacks Mid-Cap ETF
CZA
$192M
$21K ﹤0.01%
270
-100
-27% -$7.26K
DOL icon
1668
WisdomTree True Developed International Fund
DOL
$845M
$21K ﹤0.01%
450
– –
TOVX icon
1669
Theriva Biologics
TOVX
$11M
$21K ﹤0.01%
218
+7
+3% +$613
NMTR
1670
DELISTED
9 Meters Biopharma
NMTR
$21K ﹤0.01%
1,200
– –
FVAL icon
1671
Fidelity Value Factor ETF
FVAL
$1.37B
$20K ﹤0.01%
500
– –
HYLS icon
1672
First Trust Exchange-Traded Fund IV First Trust Tactical High Yield ETF
HYLS
$1.64B
$20K ﹤0.01%
412
-508
-55% -$24.4K
SCHM icon
1673
Schwab US Mid-Cap ETF
SCHM
$15.2B
$20K ﹤0.01%
891
-2,949
-77% -$61.5K
EWN icon
1674
iShares MSCI Netherlands ETF
EWN
$727M
$19K ﹤0.01%
450
– –
EWS icon
1675
iShares MSCI Singapore ETF
EWS
$1.16B
$19K ﹤0.01%
880
– –
65 66
67
68 69

Similar funds

Parallax Volatility Advisers
Parallax Volatility Advisers San Francisco, California $38.6B AUM 45.89% 1-Year Est. Return
Credit Agricole
Credit Agricole Montrouge Cedex, France $38.1B AUM
Carson Wealth (CWM LLC)
Carson Wealth (CWM LLC) Omaha, Nebraska $38.1B AUM 19.66% 1-Year Est. Return
Nomura Asset Management
Nomura Asset Management Tokyo, Japan $38.8B AUM 30.94% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return
Fayez Sarofim & Co
Fayez Sarofim & Co Houston, Texas $39.1B AUM 15.14% 1-Year Est. Return
Grantham, Mayo, Van Otterloo & Co (GMO)
Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts $39.1B AUM 28.69% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return

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.