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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
+8.27%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
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
AVAV icon
901
AeroVironment
AVAV
$9.59B
$1.17M ﹤0.01%
18,927
+4,854
+34% +$394K
ARES icon
902
Ares Management
ARES
$33.7B
$1.17M ﹤0.01%
14,401
-1,151
-7% -$93.7K
CABO icon
903
Cable One
CABO
$206M
$1.17M ﹤0.01%
663
-11
-2% -$19.5K
SSNC icon
904
SS&C Technologies
SSNC
$19.3B
$1.17M ﹤0.01%
14,262
+2,805
+24% +$216K
EB
905
DELISTED
Eventbrite
EB
$1.15M ﹤0.01%
66,111
+21,886
+49% +$405K
DGRS icon
906
WisdomTree Trust WisdomTree US SmallCap Quality Dividend Growth Fund
DGRS
$415M
$1.14M ﹤0.01%
23,963
+1,552
+7% +$72.3K
ESGV icon
907
Vanguard ESG US Stock ETF
ESGV
$13.7B
$1.14M ﹤0.01%
12,912
+5
+0% +$427
ISTB icon
908
iShares Core 1-5 Year USD Bond ETF
ISTB
$5.14B
$1.12M ﹤0.01%
22,265
+68
+0.3% +$3.44K
NGG icon
909
National Grid
NGG
$81.6B
$1.12M ﹤0.01%
17,218
+3,770
+28% +$221K
CCJ icon
910
Cameco
CCJ
$42.6B
$1.12M ﹤0.01%
51,273
-4,449
-8% -$108K
HIMS icon
911
Hims & Hers Health
HIMS
$6.71B
$1.11M ﹤0.01%
169,725
-29,669
-15% -$215K
HSIC icon
912
Henry Schein
HSIC
$10B
$1.11M ﹤0.01%
14,336
-425
-3% -$32.5K
INCY icon
913
Incyte
INCY
$24.4B
$1.11M ﹤0.01%
+15,142
New +$1.02M
DOMO icon
914
Domo
DOMO
$187M
$1.1M ﹤0.01%
22,282
-144,401
-87% -$10.6M
BSX icon
915
Boston Scientific
BSX
$74.9B
$1.1M ﹤0.01%
25,986
+11,544
+80% +$485K
CIGI icon
916
Colliers International
CIGI
$5.41B
$1.1M ﹤0.01%
7,416
– –
NTR icon
917
Nutrien
NTR
$32.2B
$1.1M ﹤0.01%
14,660
-511
-3% -$35.8K
AMPL icon
918
Amplitude
AMPL
$1.66B
$1.1M ﹤0.01%
+20,746
New +$1.31M
EFV icon
919
iShares MSCI EAFE Value ETF
EFV
$30.1B
$1.1M ﹤0.01%
21,793
+2,632
+14% +$134K
NTLA icon
920
Intellia Therapeutics
NTLA
$1.66B
$1.09M ﹤0.01%
9,262
+152
+2% +$19K
CPAY icon
921
Corpay
CPAY
$27.9B
$1.09M ﹤0.01%
4,881
-832
-15% -$199K
SNAP icon
922
Snap
SNAP
$8.96B
$1.09M ﹤0.01%
23,107
-3,932
-15% -$221K
PCAR icon
923
PACCAR
PCAR
$68.8B
$1.08M ﹤0.01%
18,407
-12
-0.1% -$694
SCHA icon
924
Schwab U.S Small- Cap ETF
SCHA
$23.5B
$1.08M ﹤0.01%
42,260
+28,292
+203% +$732K
CG icon
925
Carlyle Group
CG
$18.3B
$1.08M ﹤0.01%
19,667
+224
+1% +$12.2K
35 36
37
38 39

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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.