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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
-3.85%
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
$26.1B
AUM Growth
-$1.22B
Cap. Flow
+$114M
Cap. Flow %
0.44%
Top 10 Hldgs %
23.71%
Holding
1,877
New
67
Increased
674
Reduced
719
Closed
85

Top Buys

Rank Stock Value
1
KVUE icon
Kenvue
KVUE
+$32.2M
2
LZ icon
LegalZoom.com
LZ
+$26.6M
3
CRWD icon
CrowdStrike
CRWD
+$24M
4
CSGP icon
CoStar Group
CSGP
+$20.8M
5
GNRC icon
Generac Holdings
GNRC
+$18.3M

Top Sells

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$37.6M
2
PODD icon
Insulet
PODD
+$37.3M
3
NVDA icon
NVIDIA
NVDA
+$24.8M
4
ATVI
Activision Blizzard
ATVI
+$20.6M
5
SBUX icon
Starbucks
SBUX
+$17.8M

Sector Composition

Rank Sector Weight
1 Technology 25.36%
2 Healthcare 17.61%
3 Financials 12.07%
4 Industrials 11.66%
5 Consumer Discretionary 8.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SNY icon
1826
Sanofi
SNY
$105B
– –
-18,149
Closed -$978K
STLA icon
1827
Stellantis
STLA
$20.2B
– –
-15,664
Closed -$275K
SYM icon
1828
Symbotic
SYM
$5.35B
– –
-28,030
Closed -$1.2M
UDOW icon
1829
ProShares UltraPro Dow 30
UDOW
$926M
– –
-100
Closed -$2.98K
UHAL.B icon
1830
U-Haul Holding Co Series N
UHAL.B
$12.7B
– –
-4,910
Closed -$249K
UHS icon
1831
Universal Health Services
UHS
$10.2B
– –
-1,560
Closed -$246K
WH icon
1832
Wyndham Hotels & Resorts
WH
$5.49B
– –
-5,823
Closed -$399K
WT icon
1833
WisdomTree
WT
$3.44B
– –
-13,000
Closed -$89.2K
XRAY icon
1834
Dentsply Sirona
XRAY
$2.27B
– –
-6,127
Closed -$245K
XRT icon
1835
State Street SPDR S&P Retail ETF
XRT
$639M
– –
-181
Closed -$11.6K
QQQH
1836
NEOS Nasdaq-100 Hedged Equity Income ETF
QQQH
$386M
– –
-18
Closed -$754
ASTR
1837
DELISTED
Astra Space, Inc. Class A Common Stock
ASTR
– –
-1,843
Closed -$10.2K
TRVN
1838
DELISTED
Trevena, Inc.
TRVN
– –
-400
Closed -$8.81K
AGIL
1839
DELISTED
AgileThought Inc
AGIL
– –
-1,610,462
Closed -$1.21M
HLGN
1840
DELISTED
Heliogen, Inc.
HLGN
– –
-599
Closed -$5.13K
DEN
1841
DELISTED
Denbury Inc.
DEN
– –
-5,901
Closed -$509K
EMAN
1842
DELISTED
eMagin Corporation
EMAN
– –
-20,000
Closed -$39.6K
NATI
1843
DELISTED
National Instruments Corp
NATI
– –
-12,090
Closed -$694K
CELL
1844
DELISTED
PhenomeX Inc. Common Stock
CELL
– –
-12,850
Closed -$6.3K
SYNH
1845
DELISTED
Syneos Health, Inc. Class A Common Stock
SYNH
– –
-9,029
Closed -$380K
MMP
1846
DELISTED
Magellan Midstream Partners, L.P.
MMP
– –
-182,575
Closed -$11.4M
GLCN
1847
DELISTED
VanEck China Growth Leaders ETF
GLCN
– –
-600
Closed -$13.8K
BKI
1848
DELISTED
Black Knight, Inc. Common Stock
BKI
– –
-12,851
Closed -$768K
NUVA
1849
DELISTED
NuVasive, Inc.
NUVA
– –
-8,252
Closed -$343K
RCA
1850
DELISTED
Ready Capital Corporation 7.00% Convertible Senior Notes due 2023
RCA
– –
-5,332
Closed -$134K
71 72 73
74
75

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William Blair & Company's Q3 2023 Portfolio in Review

As of Q3 2023, William Blair & Company held 1,877 positions worth $26.1B, down 4.5% from $27.3B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q3 2023 filing shows 67 new, 674 increased, 719 reduced and 85 closed positions. Its largest new stake was Kenvue: 1,391,743 shares worth $27.9M. The largest sale was Apple, an estimated $37.6M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2023 buy was Kenvue: 1,391,743 shares worth $27.9M.
  • William Blair & Company added most to LegalZoom.com in Q3 2023, an estimated $26.6M increase.
  • William Blair & Company's biggest Q3 2023 reduction was Apple, cutting an estimated $37.6M.
  • William Blair & Company fully exited Activision Blizzard in Q3 2023, selling an estimated $20.6M.
  • William Blair & Company's ten largest holdings make up 24% of its $26.1B portfolio in Q3 2023.
  • William Blair & Company opened 67 new positions and closed 85 in Q3 2023.
  • William Blair & Company's portfolio value fell 4.5% quarter-over-quarter to $26.1B.

Based on William Blair & Company's 13F filing for Q3 2023, filed 9 Nov 2023.