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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
-2.96%
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
$21.8B
AUM Growth
-$767M
Cap. Flow
+$148M
Cap. Flow %
0.68%
Top 10 Hldgs %
23.44%
Holding
1,924
New
62
Increased
766
Reduced
660
Closed
101

Top Buys

Rank Stock Value
1
WSO icon
Watsco Inc
WSO
+$31.3M
2
TYL icon
Tyler Technologies
TYL
+$24.6M
3
DHR icon
Danaher
DHR
+$22.7M
4
IRTC icon
iRhythm Holdings
IRTC
+$20.9M
5
USFR icon
WisdomTree Floating Rate Treasury Fund
USFR
+$20.8M

Top Sells

Rank Stock Value
1
TEAM icon
Atlassian
TEAM
+$77.8M
2
TREX icon
Trex
TREX
+$39.7M
3
DOCU
DocuSign
DOCU
+$17.2M
4
AKAM icon
Akamai
AKAM
+$16.6M
5
GLD icon
SPDR Gold Trust
GLD
+$13.1M

Sector Composition

Rank Sector Weight
1 Technology 23.15%
2 Healthcare 19.33%
3 Financials 11.9%
4 Industrials 11.25%
5 Consumer Discretionary 9.33%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
OUST icon
1601
Ouster
OUST
$3.33B
$42K ﹤0.01%
4,330
– –
RNAC icon
1602
Cartesian Therapeutics
RNAC
$263M
$41K ﹤0.01%
834
– –
IHF icon
1603
iShares US Healthcare Providers ETF
IHF
$1.27B
$40K ﹤0.01%
790
– –
KBWB icon
1604
Invesco KBW Bank ETF
KBWB
$6.85B
$40K ﹤0.01%
816
+2
+0.2% +$109
SYRE icon
1605
Spyre Therapeutics
SYRE
$9.18B
$40K ﹤0.01%
3,064
– –
BRF icon
1606
VanEck Brazil Small-Cap ETF
BRF
$20.4M
$39K ﹤0.01%
2,572
– –
HTZWW
1607
Hertz Global Holdings Warrants
HTZWW
$112M
$39K ﹤0.01%
4,404
– –
ITEQ icon
1608
Amplify BlueStar Israel Technology ETF
ITEQ
$118M
$39K ﹤0.01%
900
– –
SEGG
1609
Sports Entertainment Gaming Global Corp
SEGG
$7.92M
$39K ﹤0.01%
124
– –
EWJV icon
1610
iShares MSCI Japan Value ETF
EWJV
$754M
$38K ﹤0.01%
1,750
– –
CELL
1611
DELISTED
PhenomeX Inc. Common Stock
CELL
$38K ﹤0.01%
13,455
– –
IXG icon
1612
iShares Global Financials ETF
IXG
$698M
$37K ﹤0.01%
602
+47
+8% +$3.15K
IBDP
1613
DELISTED
iShares iBonds Dec 2024 Term Corporate ETF
IBDP
$37K ﹤0.01%
1,500
– –
FPX icon
1614
First Trust US Equity Opportunities ETF
FPX
$1.53B
$36K ﹤0.01%
440
-229
-34% -$20.1K
PAYS icon
1615
Paysign
PAYS
$723M
$36K ﹤0.01%
15,120
– –
PBW icon
1616
Invesco WilderHill Clean Energy ETF
PBW
$458M
$36K ﹤0.01%
754
-532
-41% -$29K
SMOG icon
1617
VanEck Low Carbon Energy ETF
SMOG
$136M
$36K ﹤0.01%
320
– –
UA icon
1618
Under Armour Class C
UA
$2.2B
$36K ﹤0.01%
6,007
-4,367
-42% -$34.2K
PWV icon
1619
Invesco Large Cap Value ETF
PWV
$1.78B
$35K ﹤0.01%
850
– –
VTWV icon
1620
Vanguard Russell 2000 Value ETF
VTWV
$1.37B
$35K ﹤0.01%
305
– –
EZM icon
1621
WisdomTree US MidCap Fund
EZM
$957M
$34K ﹤0.01%
765
– –
PFXF icon
1622
VanEck Preferred Securities ex Financials ETF
PFXF
$2.47B
$34K ﹤0.01%
2,000
– –
QCLN icon
1623
First Trust NASDAQ Clean Edge Green Energy Index Fund
QCLN
$632M
$34K ﹤0.01%
591
– –
NEPH icon
1624
Nephros
NEPH
$47.4M
$33K ﹤0.01%
36,249
– –
SPYX icon
1625
State Street SPDR S&P 500 Fossil Fuel Reserves Free ETF
SPYX
$2.87B
$33K ﹤0.01%
1,128
– –
63 64
65
66 67

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William Blair & Company's Q3 2022 Portfolio in Review

As of Q3 2022, William Blair & Company held 1,924 positions worth $21.8B, down 3.4% from $22.5B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q3 2022 filing shows 62 new, 766 increased, 660 reduced and 101 closed positions. Its largest new stake was GSK: 37,792 shares worth $1.11M. The largest sale was Atlassian, an estimated $77.8M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, down from 24% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2022 buy was GSK: 37,792 shares worth $1.11M.
  • William Blair & Company added most to Watsco Inc in Q3 2022, an estimated $31.3M increase.
  • William Blair & Company's biggest Q3 2022 reduction was Trex, cutting an estimated $39.7M.
  • William Blair & Company fully exited Atlassian in Q3 2022, selling an estimated $77.8M.
  • William Blair & Company's ten largest holdings make up 23% of its $21.8B portfolio in Q3 2022.
  • William Blair & Company opened 62 new positions and closed 101 in Q3 2022.
  • William Blair & Company's portfolio value fell 3.4% quarter-over-quarter to $21.8B.

Based on William Blair & Company's 13F filing for Q3 2022, filed 9 Nov 2022.