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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+7.16%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$34.1B
AUM Growth
+$1.63B
Cap. Flow
-$169M
Cap. Flow %
-0.5%
Top 10 Hldgs %
23.77%
Holding
1,892
New
86
Increased
671
Reduced
778
Closed
71

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$92.1M
2
AAON icon
Aaon
AAON
+$55.5M
3
P
Everpure Inc
P
+$43.5M
4
BAH icon
Booz Allen Hamilton
BAH
+$29M
5
RBC icon
RBC Bearings
RBC
+$26.8M

Top Sells

Rank Stock Value
1
DXCM icon
DexCom
DXCM
+$128M
2
CRWD icon
CrowdStrike
CRWD
+$42.9M
3
BLK icon
Blackrock
BLK
+$42M
4
CSGP icon
CoStar Group
CSGP
+$41.5M
5
SBUX icon
Starbucks
SBUX
+$38.8M

Sector Composition

Rank Sector Weight
1 Technology 27.11%
2 Healthcare 14.76%
3 Financials 12.67%
4 Industrials 11.93%
5 Consumer Discretionary 7.9%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
DIV icon
1826
Global X SuperDividend US ETF
DIV
$783M
– –
-211
Closed -$3.64K
DNA icon
1827
Ginkgo Bioworks
DNA
$521M
– –
-825
Closed -$11K
EYE icon
1828
National Vision
EYE
$1.81B
– –
-25,782
Closed -$337K
GWH icon
1829
ESS Tech
GWH
$18.9M
– –
-1,417
Closed -$17.4K
GWH.WS
1830
DELISTED
ESS Tech Inc Warrant
GWH.WS
– –
-333
Closed -$23
INGN icon
1831
Inogen
INGN
$164M
– –
-13,154
Closed -$107K
IPAC icon
1832
iShares Core MSCI Pacific ETF
IPAC
$2.77B
– –
-72
Closed -$4.41K
KOPN icon
1833
Kopin
KOPN
$791M
– –
-21,000
Closed -$17.6K
LAZR
1834
DELISTED
Luminar Technologies
LAZR
– –
-40,382
Closed -$903K
LESL icon
1835
Leslie's
LESL
$11M
– –
-3,376
Closed -$283K
LKQ icon
1836
LKQ Corp
LKQ
$6.29B
– –
-7,322
Closed -$305K
LTH icon
1837
Life Time Group Holdings
LTH
$9.79B
– –
-48,036
Closed -$905K
LUMN icon
1838
Lumen
LUMN
$6.44B
– –
-22,496
Closed -$24.7K
MBLY icon
1839
Mobileye
MBLY
$2.2B
– –
-8,869
Closed -$249K
NEE.PRR
1840
DELISTED
NextEra Energy, Inc. 6.926% Corporate Units
NEE.PRR
– –
-319
Closed -$13.2K
NJR icon
1841
New Jersey Resources
NJR
$5.58B
– –
-11,204
Closed -$479K
OCGN icon
1842
Ocugen
OCGN
$434M
– –
-12,954
Closed -$20.1K
OPK icon
1843
Opko Health
OPK
$1.02B
– –
-106,086
Closed -$133K
PATH icon
1844
UiPath
PATH
$7.8B
– –
-28,250
Closed -$358K
PDD icon
1845
Pinduoduo
PDD
$131B
– –
-3,143
Closed -$418K
PEY icon
1846
Invesco High Yield Equity Dividend Achievers ETF
PEY
$1.17B
– –
-80
Closed -$1.57K
PINS icon
1847
Pinterest
PINS
$13.4B
– –
-5,538
Closed -$244K
PRO
1848
DELISTED
PROS Holdings
PRO
– –
-76,834
Closed -$2.2M
PVH icon
1849
PVH
PVH
$4.04B
– –
-3,224
Closed -$341K
REZ icon
1850
iShares Residential and Multisector Real Estate ETF
REZ
$879M
– –
-1,392
Closed -$107K
72 73
74
75 76

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William Blair & Company's Q3 2024 Portfolio in Review

As of Q3 2024, William Blair & Company held 1,892 positions worth $34.1B, up 5% from $32.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q3 2024 filing shows 86 new, 671 increased, 778 reduced and 71 closed positions. Its largest new stake was PAR Technology: 73,733 shares worth $3.84M. The largest sale was DexCom, an estimated $128M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 27% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2024 buy was PAR Technology: 73,733 shares worth $3.84M.
  • William Blair & Company added most to NVIDIA in Q3 2024, an estimated $92.1M increase.
  • William Blair & Company's biggest Q3 2024 reduction was DexCom, cutting an estimated $128M.
  • William Blair & Company fully exited Blackrock in Q3 2024, selling an estimated $42M.
  • William Blair & Company's ten largest holdings make up 24% of its $34.1B portfolio in Q3 2024.
  • William Blair & Company opened 86 new positions and closed 71 in Q3 2024.
  • William Blair & Company's portfolio value rose 5% quarter-over-quarter to $34.1B.

Based on William Blair & Company's 13F filing for Q3 2024, filed 12 Nov 2024.