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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
MAS icon
1151
Masco
MAS
$15.3B
$585K ﹤0.01%
8,325
+299
+4% +$19.3K
DKNG icon
1152
DraftKings
DKNG
$11.9B
$582K ﹤0.01%
21,190
-29,611
-58% -$1.16M
IEUR icon
1153
iShares Core MSCI Europe ETF
IEUR
$9.16B
$580K ﹤0.01%
9,970
– –
MGPI icon
1154
MGP Ingredients
MGPI
$375M
$580K ﹤0.01%
6,830
– –
RIG icon
1155
Transocean
RIG
$5.82B
$576K ﹤0.01%
208,701
+7,170
+4% +$24.3K
ROBO icon
1156
ROBO Global Robotics & Automation Index ETF
ROBO
$2.1B
$574K ﹤0.01%
8,190
+72
+0.9% +$4.92K
WU icon
1157
Western Union
WU
$2.21B
$573K ﹤0.01%
32,132
-2,219
-6% -$40.9K
HST icon
1158
Host Hotels & Resorts
HST
$16B
$572K ﹤0.01%
32,891
-868
-3% -$14.6K
EZU icon
1159
iShare MSCI Eurozone ETF
EZU
$9.91B
$571K ﹤0.01%
11,642
+1,831
+19% +$90.2K
PPLI
1160
People Inc
PPLI
$3.1B
$571K ﹤0.01%
5,328
+6
+0.1% +$677
TLRY icon
1161
Tilray
TLRY
$622M
$570K ﹤0.01%
8,106
-6,939
-46% -$698K
CAH icon
1162
Cardinal Health
CAH
$55.4B
$568K ﹤0.01%
11,035
+664
+6% +$32.6K
SCHL icon
1163
Scholastic
SCHL
$792M
$566K ﹤0.01%
14,171
+3,685
+35% +$139K
VICI icon
1164
VICI Properties
VICI
$29.4B
$565K ﹤0.01%
+18,757
New +$544K
NACP icon
1165
Impact Shares NAACP Minority Empowerment ETF
NACP
$76.8M
$562K ﹤0.01%
15,739
+5,820
+59% +$205K
APTV icon
1166
Aptiv
APTV
$10.3B
$557K ﹤0.01%
3,379
– –
FSMB icon
1167
First Trust Short Duration Managed Municipal ETF
FSMB
$625M
$557K ﹤0.01%
+26,750
New +$558K
ARGX icon
1168
argenx
ARGX
$54.1B
$556K ﹤0.01%
1,587
+12
+0.8% +$3.65K
ICVT icon
1169
iShares Convertible Bond ETF
ICVT
$7.35B
$552K ﹤0.01%
6,191
– –
LEN.B icon
1170
Lennar Class B
LEN.B
$20.8B
$552K ﹤0.01%
6,069
+16
+0.3% +$1.32K
VTR icon
1171
Ventas
VTR
$47.9B
$552K ﹤0.01%
10,804
+3,213
+42% +$168K
TWI icon
1172
Titan International
TWI
$475M
$549K ﹤0.01%
50,100
-43,400
-46% -$340K
ZD icon
1173
Ziff Davis
ZD
$1.98B
$548K ﹤0.01%
3,836
-6,577
-63% -$780K
BOND icon
1174
PIMCO Active Bond Exchange-Traded Fund
BOND
$8.47B
$545K ﹤0.01%
4,981
+1,733
+53% +$190K
EME icon
1175
Emcor
EME
$36B
$543K ﹤0.01%
4,261
+729
+21% +$90.2K
45 46
47
48 49

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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.