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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
+9.7%
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
$27.3B
AUM Growth
+$2.26B
Cap. Flow
+$202M
Cap. Flow %
0.74%
Top 10 Hldgs %
24.36%
Holding
1,897
New
97
Increased
682
Reduced
737
Closed
88

Top Buys

Rank Stock Value
1
COST icon
Costco
COST
+$28.3M
2
ALL icon
Allstate
ALL
+$25.8M
3
ISRG icon
Intuitive Surgical
ISRG
+$19.6M
4
NEOG icon
Neogen
NEOG
+$17.4M
5
DV icon
DoubleVerify
DV
+$17.3M

Top Sells

Rank Stock Value
1
NBIX icon
Neurocrine Biosciences
NBIX
+$29.1M
2
PLNT icon
Planet Fitness
PLNT
+$20.4M
3
ABNB icon
Airbnb
ABNB
+$17.1M
4
IBM icon
IBM
IBM
+$14.8M
5
XMTR icon
Xometry
XMTR
+$10.8M

Sector Composition

Rank Sector Weight
1 Technology 25.59%
2 Healthcare 18.44%
3 Industrials 11.64%
4 Financials 11.51%
5 Consumer Discretionary 8.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
SYNH
1151
DELISTED
Syneos Health, Inc. Class A Common Stock
SYNH
$380K ﹤0.01%
9,029
-1,652
-15% -$66.8K
MUFG icon
1152
Mitsubishi UFJ Financial
MUFG
$260B
$380K ﹤0.01%
51,556
-3,229
-6% -$21.5K
NTLA icon
1153
Intellia Therapeutics
NTLA
$1.66B
$377K ﹤0.01%
9,250
+2,000
+28% +$81.1K
APTV icon
1154
Aptiv
APTV
$10.2B
$376K ﹤0.01%
3,680
-1,376
-27% -$136K
FDL icon
1155
First Trust Morningstar Dividend Leaders Index Fund
FDL
$7.98B
$375K ﹤0.01%
11,022
COOK icon
1156
Traeger
COOK
$166M
$375K ﹤0.01%
1,764
-123
-7% -$22.2K
PTON icon
1157
Peloton Interactive
PTON
$2.44B
$374K ﹤0.01%
48,670
+4,326
+10% +$36.8K
CMS icon
1158
CMS Energy
CMS
$22.1B
$374K ﹤0.01%
6,361
-444
-7% -$26.8K
XPO icon
1159
XPO
XPO
$24.7B
$373K ﹤0.01%
6,330
-300
-5% -$13.6K
MGEE icon
1160
MGE Energy Inc
MGEE
$3.06B
$373K ﹤0.01%
4,717
TASK icon
1161
TaskUs
TASK
$667M
$373K ﹤0.01%
32,916
-715
-2% -$8.7K
SSO icon
1162
ProShares Ultra S&P500
SSO
$8.51B
$372K ﹤0.01%
12,800
EXG icon
1163
Eaton Vance Tax-Managed Global Diversified Equity Income Fund
EXG
$3.09B
$372K ﹤0.01%
46,938
SR icon
1164
Spire
SR
$4.9B
$372K ﹤0.01%
5,857
-523
-8% -$35.1K
INVH icon
1165
Invitation Homes
INVH
$18B
$370K ﹤0.01%
10,750
-60
-0.6% -$2K
EXPE icon
1166
Expedia Group
EXPE
$39.4B
$370K ﹤0.01%
3,378
-92
-3% -$9.02K
CWH icon
1167
Camping World
CWH
$675M
$366K ﹤0.01%
12,150
-2,000
-14% -$50.4K
STAG icon
1168
STAG Industrial
STAG
$7.12B
$365K ﹤0.01%
10,165
-9,280
-48% -$321K
RVLV icon
1169
Revolve Group
RVLV
$1.72B
$365K ﹤0.01%
22,237
-700
-3% -$13K
OLED icon
1170
Universal Display
OLED
$4.18B
$365K ﹤0.01%
2,530
-250
-9% -$35.8K
UAA icon
1171
Under Armour
UAA
$2.3B
$364K ﹤0.01%
50,463
-7,541
-13% -$60.7K
VPU
1172
Vanguard Utilities ETF
VPU
$8.52B
$364K ﹤0.01%
2,561
+522
+26% +$76.5K
HZNP
1173
DELISTED
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
$362K ﹤0.01%
3,521
+205
+6% +$21.6K
VLD
1174
DELISTED
Velo3D, Inc.
VLD
$362K ﹤0.01%
4,787
-992
-17% -$69.2K
GL icon
1175
Globe Life
GL
$14B
$360K ﹤0.01%
3,287
+418
+15% +$44.9K

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William Blair & Company's Q2 2023 Portfolio in Review

As of Q2 2023, William Blair & Company held 1,897 positions worth $27.3B, up 9% from $25B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q2 2023 filing shows 97 new, 682 increased, 737 reduced and 88 closed positions. Its largest new stake was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M. The largest sale was Neurocrine Biosciences, an estimated $29.1M.

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

  • William Blair & Company's largest Q2 2023 buy was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M.
  • William Blair & Company added most to Costco in Q2 2023, an estimated $28.3M increase.
  • William Blair & Company's biggest Q2 2023 reduction was Neurocrine Biosciences, cutting an estimated $29.1M.
  • William Blair & Company fully exited ABB Ltd in Q2 2023, selling an estimated $7.21M.
  • William Blair & Company's ten largest holdings make up 24% of its $27.3B portfolio in Q2 2023.
  • William Blair & Company opened 97 new positions and closed 88 in Q2 2023.
  • William Blair & Company's portfolio value rose 9% quarter-over-quarter to $27.3B.

Based on William Blair & Company's 13F filing for Q2 2023, filed 11 Aug 2023.