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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
VRNS icon
1126
Varonis Systems
VRNS
$5.26B
$390K ﹤0.01%
12,770
+1,022
+9% +$30.2K
LNC icon
1127
Lincoln National
LNC
$8.67B
$387K ﹤0.01%
15,692
-750
-5% -$19.6K
LGF.B
1128
DELISTED
Lions Gate Entertainment Corp. Class B Non-Voting Shares
LGF.B
$387K ﹤0.01%
49,200
+18,300
+59% +$138K
BF.B icon
1129
Brown-Forman Class B
BF.B
$12.9B
$386K ﹤0.01%
6,684
-375
-5% -$24.9K
GPK icon
1130
Graphic Packaging
GPK
$3.51B
$385K ﹤0.01%
17,300
+7,300
+73% +$167K
MSM icon
1131
MSC Industrial Direct
MSM
$6.77B
$384K ﹤0.01%
3,915
-82
-2% -$8.09K
SLN
1132
Silence Therapeutics
SLN
$660M
$383K ﹤0.01%
38,986
– –
GBDC icon
1133
Golub Capital BDC
GBDC
$3.48B
$383K ﹤0.01%
26,076
– –
SPOT icon
1134
Spotify
SPOT
$102B
$381K ﹤0.01%
2,467
-43
-2% -$6.55K
IYE icon
1135
iShares US Energy ETF
IYE
$1.8B
$381K ﹤0.01%
8,041
– –
INSM icon
1136
Insmed
INSM
$27.6B
$381K ﹤0.01%
15,084
– –
PAA icon
1137
Plains All American Pipeline
PAA
$16.5B
$381K ﹤0.01%
24,838
– –
EMN icon
1138
Eastman Chemical
EMN
$8.43B
$380K ﹤0.01%
4,952
+6
+0.1% +$498
TLRY icon
1139
Tilray
TLRY
$640M
$378K ﹤0.01%
15,830
-1
-0% -$24
BUD icon
1140
AB InBev
BUD
$158B
$378K ﹤0.01%
6,840
-742
-10% -$42.1K
SMMD icon
1141
iShares Russell 2500 ETF
SMMD
$3.77B
$376K ﹤0.01%
6,900
+65
+1% +$3.74K
POR icon
1142
Portland General Electric
POR
$5.92B
$374K ﹤0.01%
9,234
-125
-1% -$5.67K
SSO icon
1143
ProShares Ultra S&P500
SSO
$8.51B
$372K ﹤0.01%
13,948
+1,148
+9% +$33.3K
TLTD icon
1144
FlexShares Morningstar Developed Markets ex-US Factor Tilt Index Fund
TLTD
$690M
$369K ﹤0.01%
5,892
-69
-1% -$4.49K
CMS icon
1145
CMS Energy
CMS
$22.1B
$367K ﹤0.01%
6,907
+546
+9% +$31.6K
WWD icon
1146
Woodward
WWD
$21.2B
$366K ﹤0.01%
2,948
– –
RSPG icon
1147
Invesco S&P 500 Equal Weight Energy ETF
RSPG
$597M
$366K ﹤0.01%
4,765
-35
-0.7% -$2.64K
LBTYK icon
1148
Liberty Global Class C
LBTYK
$3.48B
$365K ﹤0.01%
19,648
+5,191
+36% +$99.9K
VOYA icon
1149
Voya Financial
VOYA
$9.16B
$361K ﹤0.01%
5,432
-245
-4% -$17.4K
SHLS icon
1150
Shoals Technologies Group
SHLS
$1.37B
$360K ﹤0.01%
19,724
+4,291
+28% +$95.5K
44 45
46
47 48

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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.