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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
ACWV icon
876
iShares MSCI Global Min Vol Factor ETF
ACWV
$3.38B
$1.27M ﹤0.01%
11,689
+715
+7% +$75.6K
FVD icon
877
First Trust Value Line Dividend Fund
FVD
$8.4B
$1.27M ﹤0.01%
29,421
-1,730
-6% -$71.6K
ONEM
878
DELISTED
1Life Healthcare
ONEM
$1.26M ﹤0.01%
71,906
-55,198
-43% -$1.07M
ALRM icon
879
Alarm.com
ALRM
$2.85B
$1.26M ﹤0.01%
14,857
+665
+5% +$54.4K
DGRO icon
880
iShares Core Dividend Growth ETF
DGRO
$43.6B
$1.26M ﹤0.01%
22,612
+5,946
+36% +$317K
BCO icon
881
Brink's
BCO
$4.62B
$1.25M ﹤0.01%
19,107
-805
-4% -$51.9K
G icon
882
Genpact
G
$5.76B
$1.25M ﹤0.01%
23,563
+3,336
+16% +$168K
CRDF icon
883
Cardiff Oncology
CRDF
$77.2M
$1.25M ﹤0.01%
207,490
-3,270
-2% -$19.5K
DTE icon
884
DTE Energy
DTE
$29.1B
$1.25M ﹤0.01%
10,417
-801
-7% -$91.6K
IWY icon
885
iShares Russell Top 200 Growth ETF
IWY
$16.6B
$1.23M ﹤0.01%
7,082
– –
SHM icon
886
State Street SPDR Nuveen ICE Short Term Municipal Bond ETF
SHM
$3.47B
$1.23M ﹤0.01%
24,929
+6,230
+33% +$307K
COUR icon
887
Coursera
COUR
$1.54B
$1.22M ﹤0.01%
49,759
-66,743
-57% -$2.03M
FUSB icon
888
First US Bancshares
FUSB
$90.8M
$1.21M ﹤0.01%
114,758
-2,919
-2% -$32.2K
KEY icon
889
KeyCorp
KEY
$24.4B
$1.21M ﹤0.01%
52,434
+252
+0.5% +$5.85K
SUSL icon
890
iShares ESG MSCI USA Leaders ETF
SUSL
$1.21B
$1.21M ﹤0.01%
14,350
+16
+0.1% +$1.31K
DXYN
891
DELISTED
Dixie Group Inc
DXYN
$1.21M ﹤0.01%
210,883
-10,372
-5% -$56.4K
VLD
892
DELISTED
Velo3D, Inc.
VLD
$1.21M ﹤0.01%
+4,419
New +$1.46M
GH icon
893
Guardant Health
GH
$22.6B
$1.21M ﹤0.01%
12,070
-17
-0.1% -$1.76K
NDAQ icon
894
Nasdaq
NDAQ
$52.9B
$1.2M ﹤0.01%
17,175
+1,806
+12% +$123K
GRUB
895
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
$1.19M ﹤0.01%
110,563
-21,158
-16% -$283K
ROST icon
896
Ross Stores
ROST
$81.9B
$1.19M ﹤0.01%
10,366
+3,666
+55% +$410K
SLCA
897
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
$1.18M ﹤0.01%
125,548
-950
-0.8% -$9.47K
MSCI icon
898
MSCI
MSCI
$40.9B
$1.18M ﹤0.01%
1,923
+531
+38% +$333K
CELL
899
DELISTED
PhenomeX Inc. Common Stock
CELL
$1.18M ﹤0.01%
64,742
-22,357
-26% -$483K
XSW icon
900
State Street SPDR S&P Software & Services ETF
XSW
$493M
$1.18M ﹤0.01%
7,108
-600
-8% -$104K
34 35
36
37 38

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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.