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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
CIEN icon
726
Ciena
CIEN
$58.4B
$2.02M 0.01%
26,225
-233
-0.9% -$14.4K
OLO
727
DELISTED
Olo Inc
OLO
$2M 0.01%
96,277
-702
-0.7% -$18.3K
COLI
728
DELISTED
Colicity Inc. Class A Common Stock
COLI
$2M 0.01%
204,688
+63,519
+45% +$620K
BHC icon
729
Bausch Health
BHC
$2.34B
$1.99M 0.01%
72,145
-1,575
-2% -$42.2K
SPHQ icon
730
Invesco S&P 500 Quality ETF
SPHQ
$19.7B
$1.98M 0.01%
37,219
-282
-0.8% -$14.6K
HPQ icon
731
HP
HPQ
$27.5B
$1.97M 0.01%
52,350
+4,235
+9% +$138K
ACWI icon
732
iShares MSCI ACWI ETF
ACWI
$33.5B
$1.97M 0.01%
18,604
-460
-2% -$48.1K
SSTI icon
733
SoundThinking
SSTI
$103M
$1.96M 0.01%
66,287
-8,125
-11% -$285K
LHCG
734
DELISTED
LHC Group LLC
LHCG
$1.96M 0.01%
14,257
-853
-6% -$117K
PHYS icon
735
Sprott Physical Gold
PHYS
$15.7B
$1.95M 0.01%
135,563
-1,500
-1% -$21.2K
EWJ icon
736
iShares MSCI Japan ETF
EWJ
$23B
$1.94M 0.01%
28,891
+556
+2% +$38K
NVO
737
Novo Nordisk
NVO
$209B
$1.93M 0.01%
34,544
+4,046
+13% +$219K
SWIM icon
738
Latham Group
SWIM
$880M
$1.92M 0.01%
76,881
+26,594
+53% +$527K
MTCH icon
739
Match Group
MTCH
$8.55B
$1.92M 0.01%
14,499
+605
+4% +$87.6K
DBEF icon
740
Xtrackers MSCI EAFE Hedged Equity ETF
DBEF
$9.39B
$1.91M 0.01%
48,517
+14,200
+41% +$551K
PSX icon
741
Phillips 66
PSX
$81.4B
$1.9M 0.01%
26,271
+3,151
+14% +$238K
XSD icon
742
State Street SPDR S&P Semiconductor ETF
XSD
$3.04B
$1.9M 0.01%
7,802
– –
BLDR icon
743
Builders FirstSource
BLDR
$8.04B
$1.89M 0.01%
22,050
-3,175
-13% -$215K
NLY icon
744
Annaly Capital Management
NLY
$17.4B
$1.89M 0.01%
60,393
-739
-1% -$24.8K
ET icon
745
Energy Transfer Partners
ET
$69.3B
$1.89M 0.01%
229,417
-19,595
-8% -$178K
SNOW icon
746
Snowflake
SNOW
$115B
$1.88M 0.01%
5,550
-321
-5% -$112K
ESGU icon
747
iShares ESG Aware MSCI USA ETF
ESGU
$18.4B
$1.88M 0.01%
17,379
+2,249
+15% +$236K
DLTH icon
748
Duluth Holdings
DLTH
$159M
$1.87M 0.01%
123,074
-5,370
-4% -$81.1K
HEI.A icon
749
HEICO Corp Class A
HEI.A
$37.2B
$1.87M 0.01%
14,532
-102
-0.7% -$13K
MGM icon
750
MGM Resorts International
MGM
$11.2B
$1.86M 0.01%
41,444
-739
-2% -$33.2K
28 29
30
31 32

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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.