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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
GTLS
826
DELISTED
Chart Industries
GTLS
$1.02M ﹤0.01%
6,002
-285
-5% -$47.9K
MOS icon
827
The Mosaic Company
MOS
$6.92B
$1.01M ﹤0.01%
28,503
+2,844
+11% +$109K
GWH icon
828
ESS Tech
GWH
$19.6M
$1.01M ﹤0.01%
35,888
-5,111
-12% -$124K
MP icon
829
MP Materials
MP
$9.91B
$1.01M ﹤0.01%
52,724
-20,000
-28% -$444K
NGG icon
830
National Grid
NGG
$81.6B
$1.01M ﹤0.01%
17,619
+6,221
+55% +$376K
VKTX icon
831
Viking Therapeutics
VKTX
$3.84B
$1M ﹤0.01%
90,545
-26,334
-23% -$377K
DRI icon
832
Darden Restaurants
DRI
$25.4B
$1M ﹤0.01%
6,997
+71
+1% +$11.3K
HPE icon
833
Hewlett Packard
HPE
$79.2B
$1M ﹤0.01%
57,621
+3,117
+6% +$53.6K
CCK icon
834
Crown Holdings
CCK
$12.9B
$1M ﹤0.01%
11,305
-1,093
-9% -$98K
HYD icon
835
VanEck High Yield Muni ETF
HYD
$4.42B
$997K ﹤0.01%
20,317
+317
+2% +$16K
ZROZ icon
836
PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund
ZROZ
$1.31B
$993K ﹤0.01%
13,657
+778
+6% +$64.1K
SONY icon
837
Sony
SONY
$138B
$991K ﹤0.01%
60,130
+12,190
+25% +$213K
AVAV icon
838
AeroVironment
AVAV
$9.59B
$987K ﹤0.01%
8,854
-250
-3% -$25.2K
DHS icon
839
WisdomTree US High Dividend Fund
DHS
$1.6B
$985K ﹤0.01%
12,620
-25
-0.2% -$2.01K
SHM icon
840
State Street SPDR Nuveen ICE Short Term Municipal Bond ETF
SHM
$3.48B
$983K ﹤0.01%
21,270
-1,687
-7% -$79K
OSK icon
841
Oshkosh
OSK
$9.41B
$982K ﹤0.01%
10,287
-125
-1% -$12.1K
BJUL icon
842
Innovator US Equity Buffer ETF July
BJUL
$355M
$978K ﹤0.01%
28,381
+25,381
+846% +$898K
NBIX icon
843
Neurocrine Biosciences
NBIX
$15.3B
$977K ﹤0.01%
8,680
-5,585
-39% -$588K
BRZE icon
844
Braze
BRZE
$3.36B
$974K ﹤0.01%
20,850
+5,168
+33% +$227K
IWY icon
845
iShares Russell Top 200 Growth ETF
IWY
$16.7B
$966K ﹤0.01%
6,282
– –
VV icon
846
Vanguard Morningstar Large-Cap ETF
VV
$54.9B
$964K ﹤0.01%
4,924
+59
+1% +$12K
AZEK
847
DELISTED
The AZEK Co
AZEK
$964K ﹤0.01%
32,401
-2,902
-8% -$91.2K
SPEM icon
848
State Street SPDR Portfolio Emerging Markets ETF
SPEM
$17.7B
$962K ﹤0.01%
28,649
+1,869
+7% +$64.6K
WAT icon
849
Waters Corp
WAT
$40.6B
$960K ﹤0.01%
3,500
-105
-3% -$29K
SSNC icon
850
SS&C Technologies
SSNC
$19.3B
$957K ﹤0.01%
18,217
+3,618
+25% +$207K
32 33
34
35 36

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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.