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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
ANSS
926
DELISTED
Ansys
ANSS
$1.08M ﹤0.01%
2,687
+195
+8% +$74.9K
QTEC icon
927
First Trust NASDAQ-100 Technology Index Fund
QTEC
$4.76B
$1.08M ﹤0.01%
6,145
– –
NATI
928
DELISTED
National Instruments Corp
NATI
$1.08M ﹤0.01%
24,647
-94
-0.4% -$4K
GMED icon
929
Globus Medical
GMED
$11.2B
$1.07M ﹤0.01%
14,868
-810
-5% -$58.8K
LSXMA
930
DELISTED
Liberty Media Corporation Series A Liberty SiriusXM Common Stock
LSXMA
$1.07M ﹤0.01%
28,595
+27,261
+2,044% +$1.01M
VOD icon
931
Vodafone
VOD
$37.4B
$1.06M ﹤0.01%
71,336
-39,602
-36% -$604K
GKOS icon
932
Glaukos
GKOS
$10.6B
$1.06M ﹤0.01%
23,947
-14,320
-37% -$661K
NVR icon
933
NVR
NVR
$17B
$1.06M ﹤0.01%
+180
New +$950K
ZNGA
934
DELISTED
ZYNGA INC. CL A COMMON
ZNGA
$1.06M ﹤0.01%
166,189
+47,851
+40% +$330K
OGN icon
935
Organon & Co
OGN
$3.57B
$1.06M ﹤0.01%
34,925
+4,343
+14% +$141K
VSS icon
936
Vanguard FTSE All-World ex-US Small-Cap Index Fund
VSS
$11.9B
$1.06M ﹤0.01%
7,932
+5,106
+181% +$691K
UAL icon
937
United Airlines
UAL
$42.1B
$1.05M ﹤0.01%
24,107
+1,105
+5% +$51.3K
USIG icon
938
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.4B
$1.05M ﹤0.01%
17,638
-1,934
-10% -$116K
FLOT icon
939
iShares Floating Rate Bond ETF
FLOT
$10.5B
$1.05M ﹤0.01%
20,733
+4,010
+24% +$203K
PSLV icon
940
Sprott Physical Silver Trust
PSLV
$13.2B
$1.05M ﹤0.01%
130,725
-4,500
-3% -$36.6K
ACWX icon
941
iShares MSCI ACWI ex US ETF
ACWX
$11.9B
$1.04M ﹤0.01%
18,747
+4,875
+35% +$274K
BPOP icon
942
Popular Inc
BPOP
$11.1B
$1.04M ﹤0.01%
12,650
– –
DHS icon
943
WisdomTree US High Dividend Fund
DHS
$1.58B
$1.04M ﹤0.01%
12,560
– –
JCI icon
944
Johnson Controls International
JCI
$92.2B
$1.03M ﹤0.01%
12,695
+4,335
+52% +$328K
ZROZ icon
945
PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund
ZROZ
$1.32B
$1.03M ﹤0.01%
6,743
+1,001
+17% +$151K
DCI icon
946
Donaldson
DCI
$11.4B
$1.03M ﹤0.01%
17,317
+352
+2% +$20.8K
VV icon
947
Vanguard Morningstar Large-Cap ETF
VV
$54.5B
$1.03M ﹤0.01%
4,643
-296
-6% -$63.5K
FICO icon
948
Fair Isaac
FICO
$22.5B
$1.02M ﹤0.01%
2,358
-2,462
-51% -$978K
BBEU icon
949
JPMorgan BetaBuilders Europe ETF
BBEU
$9.54B
$1.02M ﹤0.01%
17,017
+311
+2% +$18.4K
FFIV icon
950
F5
FFIV
$22.7B
$1.01M ﹤0.01%
4,147
+2,826
+214% +$627K
36 37
38
39 40

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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.