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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
STER
1876
DELISTED
Sterling Check Corp. Common Stock
STER
– –
-19,246
Closed -$314K
ASTR
1877
DELISTED
Astra Space, Inc. Class A Common Stock
ASTR
– –
-9,314
Closed -$182K
BKCC
1878
DELISTED
BlackRock Capital Investment Corporation
BKCC
– –
-137,660
Closed -$505K
NTCO
1879
DELISTED
Natura &Co Holding S.A. American Depositary Shares (each representing two Common Shares)
NTCO
– –
-16,413
Closed -$86K
VAPO
1880
DELISTED
Vapotherm, Inc. Common Stock
VAPO
– –
-5,245
Closed -$106K
AKU
1881
DELISTED
Akumin Inc
AKU
– –
-16,700
Closed -$10K
NMTR
1882
DELISTED
9 Meters Biopharma
NMTR
– –
-1,420
Closed -$7K
NFTZ
1883
DELISTED
Defiance Digital Revolution ETF
NFTZ
$0 ﹤0.01%
65
– –
AVLR
1884
DELISTED
Avalara, Inc.
AVLR
– –
-49,249
Closed -$3.48M
SHLX
1885
DELISTED
Shell Midstream Partners, L.P.
SHLX
– –
-14,130
Closed -$199K
Y
1886
DELISTED
Alleghany Corp
Y
– –
-445
Closed -$371K
PING
1887
DELISTED
Ping Identity Holding Corp.
PING
– –
-357,584
Closed -$6.49M
TMX
1888
DELISTED
Terminix Global Holdings, Inc.
TMX
– –
-62,384
Closed -$2.54M
IEA
1889
DELISTED
Infrastructure and Energy Alternatives, Inc. Common Stock
IEA
– –
-19,218
Closed -$154K
DRE
1890
DELISTED
Duke Realty Corp.
DRE
– –
-5,716
Closed -$314K
CTXS
1891
DELISTED
Citrix Systems Inc
CTXS
– –
-6,144
Closed -$597K
AVGOP
1892
DELISTED
Broadcom Inc. 8.00% Mandatory Convertible Preferred Stock, Series A
AVGOP
– –
-3,768
Closed -$5.66M
MNDT
1893
DELISTED
Mandiant, Inc. Common Stock
MNDT
– –
-59,701
Closed -$1.3M
PSY
1894
DELISTED
Defiance Next Gen Altered Experience ETF
PSY
– –
-500
Closed -$2K
ATHX
1895
DELISTED
Athersys, Inc. Common Stock
ATHX
– –
-1,512
Closed -$10K
MTOR
1896
DELISTED
MERITOR, Inc.
MTOR
– –
-62,113
Closed -$2.26M
WBT
1897
DELISTED
Welbilt, Inc.
WBT
– –
-14,303
Closed -$341K
GPL
1898
DELISTED
Great Panther Mining Limited
GPL
– –
-1,100
Closed -$1K
EQC.PRD
1899
DELISTED
Equity Commonwealth 6 1/2% Series D Cumulative Convertible Preferred Shares
EQC.PRD
– –
-714
Closed -$19K
VG
1900
DELISTED
Vonage Holdings Corporation
VG
– –
-94,725
Closed -$1.78M
73 74 75
76
77

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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.