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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
+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
GDDY icon
326
GoDaddy
GDDY
$11.6B
$10.4M 0.03%
87,542
-80,706
-48% -$8.98M
SDY icon
327
State Street SPDR S&P Dividend ETF
SDY
$22.1B
$10.3M 0.03%
78,385
-4,133
-5% -$519K
CBZ icon
328
CBIZ
CBZ
$2.96B
$10.2M 0.03%
130,191
+65,968
+103% +$4.59M
CRSP icon
329
CRISPR Therapeutics
CRSP
$5.22B
$10.1M 0.03%
147,890
+11,190
+8% +$801K
MEDP icon
330
Medpace
MEDP
$16.7B
$10M 0.03%
24,851
+7,521
+43% +$2.64M
BKNG icon
331
Booking.com
BKNG
$159B
$10M 0.03%
69,050
+3,475
+5% +$495K
IWN icon
332
iShares Russell 2000 Value ETF
IWN
$14.6B
$10M 0.03%
62,962
+5,898
+10% +$893K
GEHC icon
333
GE HealthCare
GEHC
$32.6B
$10M 0.03%
109,964
+10,928
+11% +$909K
ZM icon
334
Zoom
ZM
$30.8B
$9.82M 0.03%
150,157
+38,308
+34% +$2.55M
WSC icon
335
WillScot Mobile Mini Holdings
WSC
$4B
$9.78M 0.03%
210,336
+71,793
+52% +$3.34M
DLB icon
336
Dolby
DLB
$5.75B
$9.73M 0.03%
116,177
-686
-0.6% -$56.7K
GDX icon
337
VanEck Gold Miners ETF
GDX
$27.8B
$9.63M 0.03%
304,433
-10,646
-3% -$302K
BDX icon
338
Becton Dickinson
BDX
$50B
$9.56M 0.03%
38,621
-8,468
-18% -$2.03M
OPRX icon
339
OptimizeRx
OPRX
$132M
$9.51M 0.03%
782,573
+41,469
+6% +$601K
FROG icon
340
JFrog
FROG
$10.4B
$9.46M 0.03%
214,009
-13,445
-6% -$521K
CB icon
341
Chubb
CB
$132B
$9.41M 0.03%
36,308
-6
-0% -$1.48K
C icon
342
Citigroup
C
$231B
$9.24M 0.03%
146,149
+1,074
+0.7% +$59.8K
DAY
343
DELISTED
Dayforce
DAY
$9.18M 0.03%
138,687
-22,517
-14% -$1.54M
FIVE icon
344
Five Below
FIVE
$13.2B
$9.15M 0.03%
50,473
-17,708
-26% -$3.41M
PHO icon
345
Invesco Water Resources ETF
PHO
$2.06B
$9.15M 0.03%
137,455
+1,099
+0.8% +$68.3K
GIS icon
346
General Mills
GIS
$20.4B
$9.14M 0.03%
130,625
-3,031
-2% -$197K
JLL icon
347
Jones Lang LaSalle
JLL
$16.7B
$9.14M 0.03%
46,842
+5,780
+14% +$1.05M
NVO
348
Novo Nordisk
NVO
$203B
$9.12M 0.03%
71,036
+8,126
+13% +$967K
KR icon
349
Kroger
KR
$34.3B
$9.11M 0.03%
159,546
+3,708
+2% +$183K
HUBB icon
350
Hubbell
HUBB
$27.1B
$9.1M 0.03%
21,914
-10
-0% -$3.62K
12 13
14
15 16

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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.