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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
AOA icon
1651
iShares Core 80/20 Aggressive Allocation ETF
AOA
$3.28B
$22.6K ﹤0.01%
378
+3
+0.8% +$178
IGM icon
1652
iShares Expanded Tech Sector ETF
IGM
$10.8B
$22.4K ﹤0.01%
480
-12
-2% -$575
DXGE
1653
DELISTED
WisdomTree Germany Hedged Equity Fund
DXGE
$22K ﹤0.01%
700
– –
NEAR icon
1654
iShares Short Maturity Bond ETF
NEAR
$4.88B
$21.8K ﹤0.01%
443
– –
IQLT icon
1655
iShares MSCI Intl Quality Factor ETF
IQLT
$14.3B
$21.8K ﹤0.01%
672
-947
-58% -$29.4K
XJR icon
1656
iShares ESG Screened S&P Small-Cap ETF
XJR
$190M
$21.7K ﹤0.01%
+652
New +$21.9K
CSD icon
1657
Invesco S&P Spin-Off ETF
CSD
$232M
$21.5K ﹤0.01%
410
– –
PXF icon
1658
Invesco FTSE RAFI Developed Markets ex-US ETF
PXF
$2.97B
$21.2K ﹤0.01%
510
– –
IXP icon
1659
iShares Global Comm Services ETF
IXP
$561M
$20.7K ﹤0.01%
380
– –
PEY icon
1660
Invesco High Yield Equity Dividend Achievers ETF
PEY
$1.16B
$20.7K ﹤0.01%
1,000
– –
XTN icon
1661
State Street SPDR S&P Transportation ETF
XTN
$392M
$20.2K ﹤0.01%
300
-100
-25% -$6.98K
GENZ
1662
VanEck Digital Native Economy ETF
GENZ
$17.5M
$20.1K ﹤0.01%
520
– –
USEQ
1663
DELISTED
Invesco Russell 1000 Enhanced Equal Weight ETF
USEQ
$19.5K ﹤0.01%
580
– –
PVLA
1664
Palvella Therapeutics
PVLA
$2.23B
$19.3K ﹤0.01%
232
-500
-68% -$40.2K
LBTYA icon
1665
Liberty Global Class A
LBTYA
$3.55B
$18.9K ﹤0.01%
999
-3,156
-76% -$57.4K
INTF icon
1666
iShares International Equity Factor ETF
INTF
$3.75B
$18.8K ﹤0.01%
765
– –
PXH icon
1667
Invesco FTSE RAFI Emerging Markets ETF
PXH
$1.97B
$18.8K ﹤0.01%
1,068
-1,600
-60% -$27.2K
CHGG icon
1668
Chegg
CHGG
$88.9M
$17.9K ﹤0.01%
709
-95
-12% -$2.42K
VCLT icon
1669
Vanguard Long-Term Corporate Bond ETF
VCLT
$8.75B
$17.7K ﹤0.01%
234
– –
MORT icon
1670
VanEck Mortgage REIT Income ETF
MORT
$373M
$17.5K ﹤0.01%
1,500
– –
GERM
1671
DELISTED
Amplify Treatments, Testing and Advancements ETF
GERM
$16.7K ﹤0.01%
747
– –
ACES icon
1672
ALPS Clean Energy ETF
ACES
$124M
$16.2K ﹤0.01%
355
+1
+0.3% +$52
HYLS icon
1673
First Trust Exchange-Traded Fund IV First Trust Tactical High Yield ETF
HYLS
$1.64B
$16K ﹤0.01%
412
– –
BELFA icon
1674
Bel Fuse Inc Class A
BELFA
$3.43B
$15.8K ﹤0.01%
500
– –
SLYG icon
1675
State Street SPDR S&P 600 Small Cap Growth ETF
SLYG
$5.22B
$15.6K ﹤0.01%
216
– –
65 66
67
68 69

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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.