We are live on ! Find out more
William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+8.27%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$31.9B
AUM Growth
+$2.51B
Cap. Flow
+$830M
Cap. Flow %
2.6%
Top 10 Hldgs %
23.75%
Holding
2,051
New
174
Increased
889
Reduced
606
Closed
88

Top Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$66.8M
2
PODD icon
Insulet
PODD
+$47M
3
XMTR icon
Xometry
XMTR
+$44.1M
4
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$43.7M
5
AON icon
Aon
AON
+$36.1M

Top Sells

Rank Stock Value
1
PYPL icon
PayPal
PYPL
+$73.8M
2
ATVI
Activision Blizzard
ATVI
+$46.9M
3
OSH
Oak Street Health, Inc.
OSH
+$43.6M
4
DIS icon
Walt Disney
DIS
+$34M
5
PGR icon
Progressive
PGR
+$32.6M

Sector Composition

Rank Sector Weight
1 Technology 26.2%
2 Healthcare 19.21%
3 Financials 10.7%
4 Consumer Discretionary 10.6%
5 Industrials 10.38%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
EAGG icon
1601
iShares ESG Aware US Aggregate Bond ETF
EAGG
$4.97B
$165K ﹤0.01%
2,995
-21
-0.7% -$1.16K
INN
1602
Summit Hotel Properties
INN
$700M
$164K ﹤0.01%
16,834
+190
+1% +$1.84K
SCWX
1603
DELISTED
SecureWorks Corp Class A Common Stock
SCWX
$163K ﹤0.01%
10,190
– –
SBIO icon
1604
ALPS Medical Breakthroughs ETF
SBIO
$215M
$162K ﹤0.01%
3,824
– –
SHE icon
1605
State Street SPDR MSCI USA Gender Diversity ETF
SHE
$336M
$162K ﹤0.01%
1,590
+7
+0.4% +$726
IYE icon
1606
iShares US Energy ETF
IYE
$1.71B
$161K ﹤0.01%
5,336
+227
+4% +$6.99K
GSLC icon
1607
Goldman Sachs ActiveBeta US Large Cap Equity ETF
GSLC
$15.5B
$159K ﹤0.01%
1,671
-106
-6% -$9.74K
TAK icon
1608
Takeda Pharmaceutical
TAK
$55.7B
$159K ﹤0.01%
11,635
-1,287
-10% -$18.1K
EWA icon
1609
iShares MSCI Australia ETF
EWA
$1.45B
$158K ﹤0.01%
6,378
-152
-2% -$3.87K
IMTB icon
1610
iShares Core 5-10 Year USD Bond ETF
IMTB
$275M
$158K ﹤0.01%
3,145
– –
CQQQ icon
1611
Invesco China Technology ETF
CQQQ
$3.22B
$155K ﹤0.01%
2,490
+1,212
+95% +$80.9K
PIO icon
1612
Invesco Global Water ETF
PIO
$283M
$154K ﹤0.01%
3,535
– –
TACO
1613
DELISTED
Del Taco Restaurants, Inc. Common Stock
TACO
$153K ﹤0.01%
12,300
– –
IYG icon
1614
iShares US Financial Services ETF
IYG
$2.2B
$150K ﹤0.01%
2,328
+3
+0.1% +$196
SPYM
1615
State Street SPDR Portfolio S&P 500 ETF
SPYM
$168B
$148K ﹤0.01%
2,653
-312
-11% -$16.8K
HZN
1616
DELISTED
Horizon Global Corporation
HZN
$148K ﹤0.01%
18,500
– –
ENFR icon
1617
Alerian Energy Infrastructure ETF
ENFR
$506M
$147K ﹤0.01%
7,750
-4,750
-38% -$94.2K
SH icon
1618
ProShares Short S&P500
SH
$897M
$145K ﹤0.01%
2,656
-1,170
-31% -$66.4K
TEF
1619
DELISTED
Telefonica
TEF
$144K ﹤0.01%
35,070
-1,776
-5% -$7.42K
EWY icon
1620
iShares MSCI South Korea ETF
EWY
$24.1B
$142K ﹤0.01%
1,826
+255
+16% +$20.2K
FTSM icon
1621
First Trust Enhanced Short Maturity ETF
FTSM
$6.5B
$142K ﹤0.01%
2,381
– –
PAA icon
1622
Plains All American Pipeline
PAA
$16.1B
$142K ﹤0.01%
15,196
-5,458
-26% -$54.8K
XLRE icon
1623
State Street Real Estate Select Sector SPDR ETF
XLRE
$8.59B
$142K ﹤0.01%
2,745
-17
-0.6% -$818
SHLX
1624
DELISTED
Shell Midstream Partners, L.P.
SHLX
$142K ﹤0.01%
12,355
-1,250
-9% -$14.7K
OPPE
1625
WisdomTree European Opportunities Fund
OPPE
$295M
$139K ﹤0.01%
3,750
– –
63 64
65
66 67

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
First Manhattan
First Manhattan New York $36.1B AUM 11.5% 1-Year Est. Return

William Blair & Company's Q4 2021 Portfolio in Review

As of Q4 2021, William Blair & Company held 2,051 positions worth $31.9B, up 8.5% from $29.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q4 2021 filing shows 174 new, 889 increased, 606 reduced and 88 closed positions. Its largest new stake was Portillo's: 759,814 shares worth $28.5M. The largest sale was PayPal, an estimated $73.8M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2021 buy was Portillo's: 759,814 shares worth $28.5M.
  • William Blair & Company added most to Amazon in Q4 2021, an estimated $66.8M increase.
  • William Blair & Company's biggest Q4 2021 reduction was PayPal, cutting an estimated $73.8M.
  • William Blair & Company fully exited Asana in Q4 2021, selling an estimated $6.06M.
  • William Blair & Company's ten largest holdings make up 24% of its $31.9B portfolio in Q4 2021.
  • William Blair & Company opened 174 new positions and closed 88 in Q4 2021.
  • William Blair & Company's portfolio value rose 8.5% quarter-over-quarter to $31.9B.

Based on William Blair & Company's 13F filing for Q4 2021, filed 14 Feb 2022.