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
+10.07%
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
$31.8B
AUM Growth
+$2.49B
Cap. Flow
+$139M
Cap. Flow %
0.44%
Top 10 Hldgs %
23.43%
Holding
1,869
New
90
Increased
714
Reduced
722
Closed
82

Top Buys

Rank Stock Value
1
UBER icon
Uber
UBER
+$24.2M
2
IOT icon
Samsara
IOT
+$23.9M
3
PRCT icon
Procept Biorobotics
PRCT
+$20.5M
4
ISRG icon
Intuitive Surgical
ISRG
+$19.9M
5
AMZN icon
Amazon
AMZN
+$19.4M

Top Sells

Rank Stock Value
1
SPLK
Splunk Inc
SPLK
+$67.1M
2
MA icon
Mastercard
MA
+$65.4M
3
AON icon
Aon
AON
+$40.3M
4
FLYW icon
Flywire
FLYW
+$25.7M
5
DV icon
DoubleVerify
DV
+$19.5M

Sector Composition

Rank Sector Weight
1 Technology 25.75%
2 Healthcare 17.03%
3 Financials 12.35%
4 Industrials 11.88%
5 Consumer Discretionary 8.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SMIN icon
1226
iShares MSCI India Small-Cap ETF
SMIN
$773M
$322K ﹤0.01%
4,584
+4,334
+1,734% +$310K
FCN icon
1227
FTI Consulting
FCN
$4.24B
$322K ﹤0.01%
1,531
-19,006
-93% -$3.82M
GL icon
1228
Globe Life
GL
$14B
$321K ﹤0.01%
2,762
-128
-4% -$15.7K
GRID
1229
First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund
GRID
$12.3B
$321K ﹤0.01%
2,804
-65
-2% -$6.9K
OTEX icon
1230
Open Text
OTEX
$6.02B
$320K ﹤0.01%
8,246
+266
+3% +$10.7K
BWA icon
1231
BorgWarner
BWA
$13.8B
$320K ﹤0.01%
9,212
-153,759
-94% -$5.03M
BAC.PRL icon
1232
Bank of America Series L
BAC.PRL
$4.01B
$320K ﹤0.01%
268
-30
-10% -$35.7K
VOX icon
1233
Vanguard Communication Services ETF
VOX
$5.88B
$319K ﹤0.01%
2,432
+36
+2% +$4.52K
DBC icon
1234
Invesco DB Commodity Index Tracking Fund
DBC
$1.71B
$318K ﹤0.01%
+13,824
New +$307K
CR icon
1235
Crane Co
CR
$12.7B
$317K ﹤0.01%
2,346
+7
+0.3% +$862
COHU icon
1236
Cohu
COHU
$2.76B
$315K ﹤0.01%
9,460
-54
-0.6% -$1.76K
TFI icon
1237
State Street SPDR Nuveen ICE Municipal Bond ETF
TFI
$3.18B
$313K ﹤0.01%
6,741
-500
-7% -$23.4K
EWU icon
1238
iShares MSCI United Kingdom ETF
EWU
$4.13B
$313K ﹤0.01%
9,152
-3,387
-27% -$111K
KWEB icon
1239
KraneShares CSI China Internet ETF
KWEB
$5.31B
$313K ﹤0.01%
11,917
-2,390
-17% -$60.2K
SM icon
1240
SM Energy
SM
$7.71B
$312K ﹤0.01%
6,250
– –
VICR icon
1241
Vicor
VICR
$10.4B
$309K ﹤0.01%
8,080
– –
WU icon
1242
Western Union
WU
$2.34B
$308K ﹤0.01%
22,047
+17
+0.1% +$219
HASI icon
1243
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$5.44B
$308K ﹤0.01%
10,851
+2,569
+31% +$64.3K
CRS icon
1244
Carpenter Technology
CRS
$26.6B
$307K ﹤0.01%
+4,300
New +$281K
R icon
1245
Ryder
R
$10.1B
$306K ﹤0.01%
2,545
-5
-0.2% -$569
SLV icon
1246
iShares Silver Trust
SLV
$31.3B
$304K ﹤0.01%
13,356
-632
-5% -$13.5K
ATO icon
1247
Atmos Energy
ATO
$28.7B
$304K ﹤0.01%
2,554
+40
+2% +$4.59K
MDYV icon
1248
State Street SPDR S&P 400 Mid Cap Value ETF
MDYV
$2.89B
$303K ﹤0.01%
3,986
+42
+1% +$3.04K
ROBO icon
1249
ROBO Global Robotics & Automation Index ETF
ROBO
$2.13B
$303K ﹤0.01%
5,162
+9
+0.2% +$509
ARM icon
1250
Arm
ARM
$298B
$302K ﹤0.01%
+2,420
New +$256K
48 49
50
51 52

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 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
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
First Manhattan
First Manhattan New York $36.1B AUM 11.5% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return

William Blair & Company's Q1 2024 Portfolio in Review

As of Q1 2024, William Blair & Company held 1,869 positions worth $31.8B, up 8.5% from $29.3B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q1 2024 filing shows 90 new, 714 increased, 722 reduced and 82 closed positions. Its largest new stake was Procept Biorobotics: 429,793 shares worth $21.2M. The largest sale was Splunk Inc, an estimated $67.1M.

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

  • William Blair & Company's largest Q1 2024 buy was Procept Biorobotics: 429,793 shares worth $21.2M.
  • William Blair & Company added most to Uber in Q1 2024, an estimated $24.2M increase.
  • William Blair & Company's biggest Q1 2024 reduction was Mastercard, cutting an estimated $65.4M.
  • William Blair & Company fully exited Splunk Inc in Q1 2024, selling an estimated $67.1M.
  • William Blair & Company's ten largest holdings make up 23% of its $31.8B portfolio in Q1 2024.
  • William Blair & Company opened 90 new positions and closed 82 in Q1 2024.
  • William Blair & Company's portfolio value rose 8.5% quarter-over-quarter to $31.8B.

Based on William Blair & Company's 13F filing for Q1 2024, filed 9 May 2024.