We are live on ! Find out more
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
SEGG
1801
Sports Entertainment Gaming Global Corp
SEGG
$7.92M
– –
-124
Closed -$34.2K
MASI
1802
DELISTED
Masimo
MASI
– –
-2,419
Closed -$398K
MKSI icon
1803
MKS Inc
MKSI
$20.7B
– –
-3,830
Closed -$414K
MKTX icon
1804
MarketAxess Holdings
MKTX
$5.72B
– –
-2,062
Closed -$539K
MMI icon
1805
Marcus & Millichap
MMI
$1.18B
– –
-6,379
Closed -$201K
MNTS icon
1806
Momentus
MNTS
$91.5M
– –
-1
Closed -$5.44K
NCNO icon
1807
nCino
NCNO
$2.08B
– –
-13,811
Closed -$416K
NVCR icon
1808
NovoCure
NVCR
$2.05B
– –
-7,406
Closed -$307K
NXRT
1809
NexPoint Residential Trust
NXRT
$631M
– –
-5,855
Closed -$266K
ORGN
1810
DELISTED
Origin Materials
ORGN
– –
-667
Closed -$85.2K
PEY icon
1811
Invesco High Yield Equity Dividend Achievers ETF
PEY
$1.16B
– –
-1,000
Closed -$19.2K
PMT
1812
PennyMac Mortgage Investment
PMT
$827M
– –
-12,949
Closed -$175K
PR
1813
Permian Resources
PR
$18B
– –
-10,082
Closed -$110K
PRCT icon
1814
Procept Biorobotics
PRCT
$1.22B
– –
-10,820
Closed -$382K
PRN icon
1815
Invesco Dorsey Wright Industrials Momentum ETF
PRN
$445M
– –
-761
Closed -$80.1K
PSK icon
1816
State Street SPDR ICE Preferred Securities ETF
PSK
$683M
– –
-430
Closed -$14.4K
PTF icon
1817
Invesco Dorsey Wright Technology Momentum ETF
PTF
$654M
– –
-90
Closed -$4.42K
QURE icon
1818
uniQure
QURE
$3.13B
– –
-24,209
Closed -$277K
RAMP icon
1819
LiveRamp
RAMP
$2.3B
– –
-29,352
Closed -$838K
RBLX icon
1820
Roblox
RBLX
$25.4B
– –
-6,364
Closed -$256K
RC
1821
Ready Capital
RC
$289M
– –
-5,792
Closed -$65.3K
REGL icon
1822
ProShares S&P MidCap 400 Dividend Aristocrats ETF
REGL
$1.81B
– –
-70
Closed -$4.94K
RELX icon
1823
RELX
RELX
$60.2B
– –
-13,212
Closed -$442K
SBIO icon
1824
ALPS Medical Breakthroughs ETF
SBIO
$217M
– –
-35
Closed -$1.1K
SLX icon
1825
VanEck Steel ETF
SLX
$175M
– –
-12
Closed -$768
71 72
73
74 75

Similar funds

Parallax Volatility Advisers
Parallax Volatility Advisers San Francisco, California $38.6B AUM 45.89% 1-Year Est. Return
Credit Agricole
Credit Agricole Montrouge Cedex, France $38.1B AUM
Carson Wealth (CWM LLC)
Carson Wealth (CWM LLC) Omaha, Nebraska $38.1B AUM 19.66% 1-Year Est. Return
Nomura Asset Management
Nomura Asset Management Tokyo, Japan $38.8B AUM 30.94% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return
Fayez Sarofim & Co
Fayez Sarofim & Co Houston, Texas $39.1B AUM 15.14% 1-Year Est. Return
Grantham, Mayo, Van Otterloo & Co (GMO)
Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts $39.1B AUM 28.69% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return

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.