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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

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
KCE icon
1751
State Street SPDR S&P Capital Markets ETF
KCE
$473M
$3K ﹤0.01%
42
– –
MLPX icon
1752
Global X MLP & Energy Infrastructure ETF
MLPX
$3.57B
$3K ﹤0.01%
104
– –
PARAA
1753
DELISTED
Paramount Global Class A
PARAA
$3K ﹤0.01%
75
– –
REZ icon
1754
iShares Residential and Multisector Real Estate ETF
REZ
$848M
$3K ﹤0.01%
50
– –
SLQD icon
1755
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.38B
$3K ﹤0.01%
65
– –
EINC icon
1756
VanEck Energy Income ETF
EINC
$79.5M
$2K ﹤0.01%
38
– –
IMCV icon
1757
iShares Morningstar Mid-Cap Value ETF
IMCV
$1.16B
$2K ﹤0.01%
30
– –
FDIQ
1758
Invesco Bloomberg Financial Data Providers ETF
FDIQ
$48.1M
$2K ﹤0.01%
41
– –
MLPA icon
1759
Global X MLP ETF
MLPA
$2.29B
$2K ﹤0.01%
66
– –
NORW icon
1760
Global X MSCI Norway ETF
NORW
$87.7M
$2K ﹤0.01%
69
– –
PJP icon
1761
Invesco Pharmaceuticals ETF
PJP
$499M
$2K ﹤0.01%
28
– –
PSP icon
1762
Invesco Global Listed Private Equity ETF
PSP
$248M
$2K ﹤0.01%
25
– –
VTWV icon
1763
Vanguard Russell 2000 Value ETF
VTWV
$1.37B
$2K ﹤0.01%
20
– –
XRLV
1764
DELISTED
Invesco S&P 500 ex-Rate Sensitive Low Volatility ETF
XRLV
$2K ﹤0.01%
55
– –
XSLV icon
1765
Invesco S&P SmallCap Low Volatility ETF
XSLV
$249M
$2K ﹤0.01%
42
-431
-91% -$16.1K
DSKEW
1766
DELISTED
Daseke, Inc. Warrant
DSKEW
$2K ﹤0.01%
+10,000
New +$2.41K
NORW
1767
DELISTED
Global X MSCI Norway ETF
NORW
$2K ﹤0.01%
130
– –
DEW icon
1768
WisdomTree Global High Dividend Fund
DEW
$155M
$1K ﹤0.01%
28
– –
EPOL icon
1769
iShares MSCI Poland ETF
EPOL
$825M
$1K ﹤0.01%
55
– –
FIW icon
1770
First Trust Water ETF
FIW
$1.92B
$1K ﹤0.01%
13
+9
+225% +$608
FTEC icon
1771
Fidelity MSCI Information Technology Index ETF
FTEC
$21.3B
$1K ﹤0.01%
+6
New +$583
KXI icon
1772
iShares Global Consumer Staples ETF
KXI
$1.06B
$1K ﹤0.01%
12
– –
RING icon
1773
iShares MSCI Global Gold Miners ETF
RING
$2.48B
$1K ﹤0.01%
+50
New +$1.55K
SDIV icon
1774
Global X SuperDividend ETF
SDIV
$1.21B
$1K ﹤0.01%
38
– –
SDS icon
1775
ProShares UltraShort S&P500
SDS
$370M
$1K ﹤0.01%
+3
New +$1.05K
69 70
71
72 73

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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.