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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
IEV icon
1426
iShares Europe ETF
IEV
$1.7B
$175K ﹤0.01%
3,151
– –
FSLY icon
1427
Fastly Inc
FSLY
$4.54B
$175K ﹤0.01%
13,484
-500
-4% -$8.45K
TFPM icon
1428
Triple Flag Precious Metals
TFPM
$6.5B
$173K ﹤0.01%
12,000
– –
TGI
1429
DELISTED
Triumph Group
TGI
$173K ﹤0.01%
+11,475
New +$171K
EWT icon
1430
iShares MSCI Taiwan ETF
EWT
$11.6B
$172K ﹤0.01%
3,529
-56
-2% -$2.59K
XES icon
1431
State Street SPDR S&P Oil & Gas Equipment & Services ETF
XES
$391M
$171K ﹤0.01%
1,839
-38,409
-95% -$3.21M
TDIV icon
1432
First Trust NASDAQ Technology Dividend Index Fund
TDIV
$4.46B
$168K ﹤0.01%
2,415
– –
MLPA icon
1433
Global X MLP ETF
MLPA
$2.29B
$168K ﹤0.01%
3,480
– –
VONE icon
1434
Vanguard Russell 1000 ETF
VONE
$8.71B
$167K ﹤0.01%
700
– –
TLS icon
1435
Telos
TLS
$327M
$166K ﹤0.01%
40,000
– –
IKT icon
1436
Inhibikase Therapeutics
IKT
$378M
$165K ﹤0.01%
76,601
+16,333
+27% +$36K
SOFI icon
1437
SoFi Technologies
SOFI
$23.3B
$165K ﹤0.01%
+22,613
New +$180K
VONV icon
1438
Vanguard Russell 1000 Value ETF
VONV
$22B
$163K ﹤0.01%
2,076
– –
EUFN icon
1439
iShares MSCI Europe Financials ETF
EUFN
$4.29B
$163K ﹤0.01%
7,175
+5,811
+426% +$123K
FNDA icon
1440
Schwab Fundamental US Small Company Index ETF
FNDA
$9.41B
$161K ﹤0.01%
5,646
-656
-10% -$17.9K
KRE icon
1441
State Street SPDR S&P Regional Banking ETF
KRE
$4.66B
$160K ﹤0.01%
3,177
-3,659
-54% -$181K
PDSB icon
1442
PDS Biotechnology
PDSB
$13.3M
$158K ﹤0.01%
+40,000
New +$206K
FBT icon
1443
First Trust NYSE Arca Biotechnology Index Fund
FBT
$2.79B
$157K ﹤0.01%
1,022
-8
-0.8% -$1.22K
EWW icon
1444
iShares MSCI Mexico ETF
EWW
$1.88B
$157K ﹤0.01%
2,264
+673
+42% +$44.8K
EWY icon
1445
iShares MSCI South Korea ETF
EWY
$27.7B
$155K ﹤0.01%
2,317
+83
+4% +$5.27K
NULV icon
1446
Nuveen ESG Large-Cap Value ETF
NULV
$2.29B
$154K ﹤0.01%
+3,954
New +$145K
ANRO icon
1447
Alto Neuroscience
ANRO
$1.23B
$154K ﹤0.01%
+10,000
New +$157K
OSBC icon
1448
Old Second Bancorp
OSBC
$1.31B
$153K ﹤0.01%
11,085
+3
+0% +$42
USIG icon
1449
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.4B
$152K ﹤0.01%
2,999
+208
+7% +$10.5K
FREL icon
1450
Fidelity MSCI Real Estate Index ETF
FREL
$1.49B
$150K ﹤0.01%
5,757
-331
-5% -$8.53K
56 57
58
59 60

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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.