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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
+8.67%
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
$23B
AUM Growth
+$1.22B
Cap. Flow
-$156M
Cap. Flow %
-0.68%
Top 10 Hldgs %
22.7%
Holding
1,905
New
81
Increased
568
Reduced
855
Closed
91

Top Buys

Rank Stock Value
1
POOL icon
Pool Corp
POOL
+$43.2M
2
TEAM icon
Atlassian
TEAM
+$36.6M
3
NOVT icon
Novanta
NOVT
+$28.8M
4
PANW icon
Palo Alto Networks
PANW
+$23.2M
5
MSI icon
Motorola Solutions
MSI
+$20.1M

Top Sells

Rank Stock Value
1
ABMD
Abiomed Inc
ABMD
+$103M
2
PYPL icon
PayPal
PYPL
+$28.4M
3
DIS icon
Walt Disney
DIS
+$26.7M
4
KMX icon
CarMax
KMX
+$25.2M
5
CRM icon
Salesforce
CRM
+$24.3M

Sector Composition

Rank Sector Weight
1 Technology 22.31%
2 Healthcare 19.82%
3 Financials 12.49%
4 Industrials 11.58%
5 Consumer Discretionary 8.46%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
EWSC
1676
DELISTED
Invesco S&P SmallCap 600 Equal Weight ETF
EWSC
$15.6K ﹤0.01%
+225
New +$15.8K
CHIK
1677
DELISTED
Global X MSCI China Information Technology ETF
CHIK
$15.5K ﹤0.01%
940
-950
-50% -$15.1K
ITB icon
1678
iShares US Home Construction ETF
ITB
$2.34B
$15.5K ﹤0.01%
255
+203
+390% +$11.7K
GLCN
1679
DELISTED
VanEck China Growth Leaders ETF
GLCN
$15.2K ﹤0.01%
600
– –
EWS icon
1680
iShares MSCI Singapore ETF
EWS
$1.16B
$15.1K ﹤0.01%
804
– –
SOCL icon
1681
Global X Social Media ETF
SOCL
$90.3M
$15K ﹤0.01%
485
– –
POCT icon
1682
Innovator US Equity Power Buffer ETF October
POCT
$974M
$14.7K ﹤0.01%
+490
New +$14.6K
HLGN
1683
DELISTED
Heliogen, Inc.
HLGN
$14.6K ﹤0.01%
+599
New +$27K
XTL icon
1684
State Street SPDR S&P Telecom ETF
XTL
$558M
$14.6K ﹤0.01%
179
– –
PSEP icon
1685
Innovator US Equity Power Buffer ETF September
PSEP
$842M
$14.3K ﹤0.01%
+490
New +$14.3K
PSK icon
1686
State Street SPDR ICE Preferred Securities ETF
PSK
$683M
$14.1K ﹤0.01%
430
– –
QLTA icon
1687
iShares AAA-A Rated Corporate Bond ETF
QLTA
$1.21B
$14.1K ﹤0.01%
304
-3,469
-92% -$160K
PMAR icon
1688
Innovator US Equity Power Buffer ETF March
PMAR
$770M
$14K ﹤0.01%
+455
New +$13.8K
PFEB icon
1689
Innovator US Equity Power Buffer ETF February
PFEB
$925M
$13.9K ﹤0.01%
+490
New +$13.7K
DRTT
1690
DELISTED
DIRTT Environmental Solutions Ltd. Common Shares
DRTT
$13.7K ﹤0.01%
+25,850
New +$9.35K
SPIB icon
1691
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
SPIB
$11.5B
$13.6K ﹤0.01%
428
– –
STSA
1692
DELISTED
Satsuma Pharmaceuticals, Inc. Common Stock
STSA
$13.5K ﹤0.01%
+15,000
New +$43.5K
MNTS icon
1693
Momentus
MNTS
$91.5M
$13.5K ﹤0.01%
1
– –
PJUL icon
1694
Innovator US Equity Power Buffer ETF July
PJUL
$1.29B
$13.3K ﹤0.01%
+440
New +$13.2K
PAPR icon
1695
Innovator US Equity Power Buffer ETF April
PAPR
$960M
$13.2K ﹤0.01%
+470
New +$13K
PMAY icon
1696
Innovator US Equity Power Buffer ETF May
PMAY
$818M
$12.8K ﹤0.01%
+455
New +$12.7K
IMH
1697
DELISTED
Impac Mortgage Holdings Inc.
IMH
$12.5K ﹤0.01%
73,470
– –
IBDT icon
1698
iShares iBonds Dec 2028 Term Corporate ETF
IBDT
$4.07B
$12.1K ﹤0.01%
500
– –
CUT icon
1699
Invesco MSCI Global Timber ETF
CUT
$33.4M
$12.1K ﹤0.01%
400
– –
DFAT icon
1700
Dimensional US Targeted Value ETF
DFAT
$14.8B
$12K ﹤0.01%
274
+249
+996% +$10.9K
66 67
68
69 70

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William Blair & Company's Q4 2022 Portfolio in Review

As of Q4 2022, William Blair & Company held 1,905 positions worth $23B, up 5.6% from $21.8B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q4 2022 filing shows 81 new, 568 increased, 855 reduced and 91 closed positions. Its largest new stake was Atlassian: 230,078 shares worth $29.6M. The largest sale was Abiomed Inc, an estimated $103M.

By sector, the portfolio is most concentrated in Technology at 22% of assets, down from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2022 buy was Atlassian: 230,078 shares worth $29.6M.
  • William Blair & Company added most to Pool Corp in Q4 2022, an estimated $43.2M increase.
  • William Blair & Company's biggest Q4 2022 reduction was PayPal, cutting an estimated $28.4M.
  • William Blair & Company fully exited Abiomed Inc in Q4 2022, selling an estimated $103M.
  • William Blair & Company's ten largest holdings make up 23% of its $23B portfolio in Q4 2022.
  • William Blair & Company opened 81 new positions and closed 91 in Q4 2022.
  • William Blair & Company's portfolio value rose 5.6% quarter-over-quarter to $23B.

Based on William Blair & Company's 13F filing for Q4 2022, filed 10 Feb 2023.