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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
-16.93%
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
$22.5B
AUM Growth
-$5.99B
Cap. Flow
-$554M
Cap. Flow %
-2.46%
Top 10 Hldgs %
23.5%
Holding
1,977
New
67
Increased
648
Reduced
822
Closed
114

Top Buys

Rank Stock Value
1
CSGP icon
CoStar Group
CSGP
+$27.5M
2
EW icon
Edwards Lifesciences
EW
+$22.7M
3
AIZ icon
Assurant
AIZ
+$22M
4
NOW icon
ServiceNow
NOW
+$21.5M
5
TEAM icon
Atlassian
TEAM
+$19.1M

Top Sells

Rank Stock Value
1
ABNB icon
Airbnb
ABNB
+$51.2M
2
SBUX icon
Starbucks
SBUX
+$49M
3
ECL icon
Ecolab
ECL
+$45.7M
4
SWCH
Switch, Inc. Class A Common Stock
SWCH
+$40.4M
5
ANET icon
Arista Networks
ANET
+$35.1M

Sector Composition

Rank Sector Weight
1 Technology 23.69%
2 Healthcare 19.4%
3 Financials 11.86%
4 Industrials 10.9%
5 Consumer Discretionary 8.96%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ITA icon
451
iShares US Aerospace & Defense ETF
ITA
$15B
$4.21M 0.02%
42,424
-1,213
-3% -$125K
AMP icon
452
Ameriprise Financial
AMP
$49.9B
$4.18M 0.02%
17,609
+240
+1% +$64.3K
FND icon
453
Floor & Decor
FND
$6.32B
$4.18M 0.02%
66,465
-6,528
-9% -$492K
AIG icon
454
American International
AIG
$39.8B
$4.18M 0.02%
81,764
-19,097
-19% -$1.11M
SU icon
455
Suncor Energy
SU
$74.7B
$4.17M 0.02%
118,927
-8,958
-7% -$326K
XLC icon
456
State Street Communication Services Select Sector SPDR ETF
XLC
$22.3B
$4.17M 0.02%
76,776
-43,024
-36% -$2.59M
ENS icon
457
EnerSys
ENS
$6.81B
$4.16M 0.02%
70,591
-30,977
-30% -$2.04M
FCN icon
458
FTI Consulting
FCN
$4.22B
$4.13M 0.02%
22,843
-882
-4% -$146K
WSC icon
459
WillScot Mobile Mini Holdings
WSC
$4B
$4.13M 0.02%
127,416
– –
TIG
460
DELISTED
Trean Insurance Group, Inc. Common Stock
TIG
$4.13M 0.02%
662,137
-99,870
-13% -$592K
RSG icon
461
Republic Services
RSG
$65.6B
$4.12M 0.02%
31,491
+329
+1% +$43.2K
VTIP icon
462
Vanguard Short-Term Inflation-Protected Securities Index Fund
VTIP
$19.8B
$4.12M 0.02%
82,163
+20,908
+34% +$1.06M
HUBB icon
463
Hubbell
HUBB
$27.1B
$4.11M 0.02%
23,015
+29
+0.1% +$5.46K
BLBD icon
464
Blue Bird Corp
BLBD
$2.04B
$4.09M 0.02%
444,199
-21,080
-5% -$296K
AEP icon
465
American Electric Power
AEP
$67.9B
$4.08M 0.02%
42,540
+1,143
+3% +$113K
XLU icon
466
State Street Utilities Select Sector SPDR ETF
XLU
$22.8B
$4.06M 0.02%
115,812
+19,078
+20% +$691K
WEC icon
467
WEC Energy
WEC
$35.6B
$4.06M 0.02%
40,302
-603
-1% -$61.1K
FNF icon
468
Fidelity National Financial
FNF
$12.8B
$4.04M 0.02%
113,717
-11,123
-9% -$435K
ALL icon
469
Allstate
ALL
$64.7B
$4.03M 0.02%
31,818
+2,564
+9% +$336K
CVNA icon
470
Carvana
CVNA
$79.7B
$4M 0.02%
886,275
+141,325
+19% +$1.49M
MRCC
471
DELISTED
Monroe Capital Corp
MRCC
$3.98M 0.02%
440,418
+15,936
+4% +$159K
WMG icon
472
Warner Music
WMG
$13B
$3.96M 0.02%
162,405
-15,933
-9% -$476K
CERT icon
473
Certara
CERT
$1.22B
$3.94M 0.02%
183,682
-16,936
-8% -$334K
ABB
474
DELISTED
ABB Ltd
ABB
$3.92M 0.02%
146,602
-17,400
-11% -$517K
IWP icon
475
iShares Russell Mid-Cap Growth ETF
IWP
$21B
$3.91M 0.02%
49,347
-13,133
-21% -$1.14M
17 18
19
20 21

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William Blair & Company's Q2 2022 Portfolio in Review

As of Q2 2022, William Blair & Company held 1,977 positions worth $22.5B, down 21% from $28.5B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q2 2022 filing shows 67 new, 648 increased, 822 reduced and 114 closed positions. Its largest new stake was Warner Bros: 144,520 shares worth $1.94M. The largest sale was Airbnb, an estimated $51.2M.

By sector, the portfolio is most concentrated in Technology at 24% of assets, down from 25% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2022 buy was Warner Bros: 144,520 shares worth $1.94M.
  • William Blair & Company added most to CoStar Group in Q2 2022, an estimated $27.5M increase.
  • William Blair & Company's biggest Q2 2022 reduction was Airbnb, cutting an estimated $51.2M.
  • William Blair & Company fully exited Datto Holding Corp. in Q2 2022, selling an estimated $11M.
  • William Blair & Company's ten largest holdings make up 23% of its $22.5B portfolio in Q2 2022.
  • William Blair & Company opened 67 new positions and closed 114 in Q2 2022.
  • William Blair & Company's portfolio value fell 21% quarter-over-quarter to $22.5B.

Based on William Blair & Company's 13F filing for Q2 2022, filed 10 Aug 2022.