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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
HUBG icon
1051
HUB Group
HUBG
$2.92B
$763K ﹤0.01%
18,110
+5,960
+49% +$237K
VLUE icon
1052
iShares MSCI USA Value Factor ETF
VLUE
$9.47B
$763K ﹤0.01%
6,968
+3,908
+128% +$411K
IBDO
1053
DELISTED
iShares iBonds Dec 2023 Term Corporate ETF
IBDO
$760K ﹤0.01%
29,600
– –
DEN
1054
DELISTED
Denbury Inc.
DEN
$760K ﹤0.01%
9,926
+968
+11% +$76.7K
CLR
1055
DELISTED
CONTINENTAL RESOURCES INC.
CLR
$757K ﹤0.01%
16,914
+127
+0.8% +$6.04K
ACCD
1056
DELISTED
Accolade Inc
ACCD
$756K ﹤0.01%
28,662
-24,074
-46% -$789K
DBX icon
1057
Dropbox
DBX
$8.12B
$755K ﹤0.01%
30,781
+20,681
+205% +$557K
NXPI icon
1058
NXP Semiconductors
NXPI
$60.4B
$749K ﹤0.01%
3,289
+1,033
+46% +$220K
EFAV icon
1059
iShares MSCI EAFE Min Vol Factor ETF
EFAV
$5.51B
$743K ﹤0.01%
9,679
+2,520
+35% +$192K
SRCL
1060
DELISTED
Stericycle Inc
SRCL
$739K ﹤0.01%
12,387
-1,340
-10% -$83.9K
MTX icon
1061
Minerals Technologies
MTX
$2.34B
$731K ﹤0.01%
9,990
-2,955
-23% -$212K
QYLD icon
1062
Global X NASDAQ-100 Covered Call ETF
QYLD
$8.27B
$731K ﹤0.01%
32,939
+8,563
+35% +$193K
ERIE icon
1063
Erie Indemnity
ERIE
$13.2B
$727K ﹤0.01%
+3,773
New +$758K
BRZE icon
1064
Braze
BRZE
$2.99B
$725K ﹤0.01%
+9,400
New +$682K
AGIL
1065
DELISTED
AgileThought Inc
AGIL
$725K ﹤0.01%
+153,525
New +$1.32M
LII icon
1066
Lennox International
LII
$15.2B
$724K ﹤0.01%
2,232
+742
+50% +$232K
UDR icon
1067
UDR
UDR
$12.3B
$723K ﹤0.01%
12,053
+6,280
+109% +$353K
HYG icon
1068
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.9B
$719K ﹤0.01%
8,261
+1,235
+18% +$107K
LBRDK icon
1069
Liberty Broadband Class C
LBRDK
$5.15B
$719K ﹤0.01%
4,463
+240
+6% +$39.5K
IEV icon
1070
iShares Europe ETF
IEV
$1.7B
$718K ﹤0.01%
13,198
-1,250
-9% -$67.3K
CTXS
1071
DELISTED
Citrix Systems Inc
CTXS
$717K ﹤0.01%
7,580
-215
-3% -$19.6K
MAA icon
1072
Mid-America Apartment Communities
MAA
$15.7B
$715K ﹤0.01%
3,118
+164
+6% +$33.9K
THR
1073
DELISTED
Thermon Group Holdings
THR
$715K ﹤0.01%
42,212
-20,825
-33% -$364K
AEM icon
1074
Agnico Eagle Mines
AEM
$90.5B
$711K ﹤0.01%
13,379
-3,812
-22% -$203K
EQH icon
1075
Equitable Holdings
EQH
$14.1B
$709K ﹤0.01%
+21,608
New +$709K
41 42
43
44 45

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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.