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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
CZA icon
1701
Invesco Zacks Mid-Cap ETF
CZA
$192M
$12K ﹤0.01%
135
– –
ASTR
1702
DELISTED
Astra Space, Inc. Class A Common Stock
ASTR
$12K ﹤0.01%
+1,843
New +$14.5K
OIH icon
1703
VanEck Oil Services ETF
OIH
$1.96B
$11.9K ﹤0.01%
39
– –
XOP icon
1704
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.68B
$11.3K ﹤0.01%
83
+50
+152% +$7.25K
KBWD icon
1705
Invesco KBW High Dividend Yield Financial ETF
KBWD
$427M
$10.8K ﹤0.01%
725
– –
USDU icon
1706
WisdomTree Bloomberg US Dollar Bullish Fund
USDU
$458M
$10.1K ﹤0.01%
+389
New +$11.1K
IDLV icon
1707
Invesco S&P International Developed Low Volatility ETF
IDLV
$344M
$10.1K ﹤0.01%
378
– –
ENFR icon
1708
Alerian Energy Infrastructure ETF
ENFR
$521M
$10.1K ﹤0.01%
475
– –
CYB
1709
DELISTED
WisdomTree Chinese Yuan Strategy Fund
CYB
$10K ﹤0.01%
400
– –
SPDN icon
1710
Direxion Daily S&P 500 Bear 1X ETF
SPDN
$199M
$9.91K ﹤0.01%
+600
New +$9.94K
PGF icon
1711
Invesco Financial Preferred ETF
PGF
$668M
$9.79K ﹤0.01%
680
-2,500
-79% -$37K
RFG icon
1712
Invesco S&P MidCap 400 Pure Growth ETF
RFG
$362M
$9.49K ﹤0.01%
265
– –
USLB
1713
DELISTED
Invesco Russell 1000 Low Beta Equal Weight ETF
USLB
$9.45K ﹤0.01%
250
– –
FNCL icon
1714
Fidelity MSCI Financials Index ETF
FNCL
$2.42B
$9.3K ﹤0.01%
194
– –
FXU icon
1715
First Trust Utilities AlphaDEX Fund
FXU
$827M
$8.67K ﹤0.01%
261
– –
TALK icon
1716
Talkspace
TALK
$869M
$8.51K ﹤0.01%
13,951
-1,725
-11% -$1.33K
VNM icon
1717
VanEck Vietnam ETF
VNM
$514M
$8.29K ﹤0.01%
700
-5
-0.7% -$60
WTV icon
1718
WisdomTree US Value Fund
WTV
$3.36B
$8.21K ﹤0.01%
144
-375
-72% -$21.3K
EWQ icon
1719
iShares MSCI France ETF
EWQ
$333M
$8.2K ﹤0.01%
248
+1
+0.4% +$31
SPTL icon
1720
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.7B
$8.07K ﹤0.01%
278
-446
-62% -$13.1K
AGZ icon
1721
iShares Agency Bond ETF
AGZ
$564M
$8.01K ﹤0.01%
75
-1,434
-95% -$153K
XHS icon
1722
State Street SPDR S&P Health Care Services ETF
XHS
$207M
$7.8K ﹤0.01%
92
– –
KXI icon
1723
iShares Global Consumer Staples ETF
KXI
$1.06B
$7.39K ﹤0.01%
124
-235
-65% -$13.6K
HZN
1724
DELISTED
Horizon Global Corporation
HZN
$7.19K ﹤0.01%
18,500
– –
IGLB icon
1725
iShares 10+ Year Investment Grade Corporate Bond ETF
IGLB
$2.78B
$7.12K ﹤0.01%
143
-63
-31% -$3.11K
67 68
69
70 71

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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.