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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
SAP icon
1326
SAP
SAP
$242B
$247K ﹤0.01%
+1,264
New +$225K
FDUS icon
1327
Fidus Investment
FDUS
$751M
$245K ﹤0.01%
12,421
MRC
1328
DELISTED
MRC Global
MRC
$245K ﹤0.01%
19,500
KFRC icon
1329
Kforce
KFRC
$1.08B
$244K ﹤0.01%
3,465
INFY icon
1330
Infosys
INFY
$50.3B
$243K ﹤0.01%
13,546
-31,001
-70% -$602K
CNQ icon
1331
Canadian Natural Resources
CNQ
$98.1B
$243K ﹤0.01%
+6,356
New +$213K
FLS icon
1332
Flowserve
FLS
$10.3B
$242K ﹤0.01%
5,298
CINF icon
1333
Cincinnati Financial
CINF
$26.5B
$241K ﹤0.01%
1,943
-166
-8% -$18.7K
SUSC icon
1334
iShares ESG Aware USD Corporate Bond ETF
SUSC
$1.29B
$241K ﹤0.01%
10,464
-4,545
-30% -$104K
SPAB icon
1335
State Street SPDR Portfolio Aggregate Bond ETF
SPAB
$9.95B
$239K ﹤0.01%
9,470
+1,279
+16% +$32.3K
SRCL
1336
DELISTED
Stericycle Inc
SRCL
$238K ﹤0.01%
4,520
ACVA icon
1337
ACV Auctions
ACVA
$1.35B
$238K ﹤0.01%
12,691
+1,626
+15% +$25.5K
KD icon
1338
Kyndryl
KD
$3.04B
$238K ﹤0.01%
10,926
-52
-0.5% -$1.11K
DLS icon
1339
WisdomTree International SmallCap Dividend Fund
DLS
$1.08B
$237K ﹤0.01%
3,630
FTS icon
1340
Fortis
FTS
$28.8B
$236K ﹤0.01%
5,981
GUNR icon
1341
FlexShares Global Upstream Natural Resources Index Fund
GUNR
$7B
$235K ﹤0.01%
5,715
DVA icon
1342
DaVita
DVA
$11.4B
$235K ﹤0.01%
1,700
-750
-31% -$90K
FHN icon
1343
First Horizon
FHN
$12.3B
$233K ﹤0.01%
15,132
+99
+0.7% +$1.42K
BOX icon
1344
Box
BOX
$4.66B
$232K ﹤0.01%
8,180
-107,547
-93% -$2.89M
FSS icon
1345
Federal Signal
FSS
$7.51B
$231K ﹤0.01%
2,727
BFC icon
1346
Bank First Corp
BFC
$1.76B
$231K ﹤0.01%
2,669
-29
-1% -$2.45K
VERU icon
1347
Veru
VERU
$46M
$231K ﹤0.01%
33,000
UAA icon
1348
Under Armour
UAA
$2.3B
$230K ﹤0.01%
31,158
+8,950
+40% +$71.2K
G icon
1349
Genpact
G
$5.78B
$230K ﹤0.01%
6,978
+670
+11% +$23.3K
NVT icon
1350
nVent Electric
NVT
$27.5B
$229K ﹤0.01%
+3,039
New +$195K

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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.