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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
GBF icon
1501
iShares Government/Credit Bond ETF
GBF
$128M
$102K ﹤0.01%
981
-6
-0.6% -$622
REZ icon
1502
iShares Residential and Multisector Real Estate ETF
REZ
$848M
$100K ﹤0.01%
1,392
– –
LONA
1503
LeonaBio Inc
LONA
$73.9M
$98.8K ﹤0.01%
3,605
– –
HTZ icon
1504
Hertz
HTZ
$998M
$98.7K ﹤0.01%
12,610
+773
+7% +$6.33K
BOND icon
1505
PIMCO Active Bond Exchange-Traded Fund
BOND
$8.47B
$98.7K ﹤0.01%
1,074
– –
IGF icon
1506
iShares Global Infrastructure ETF
IGF
$10.7B
$96.6K ﹤0.01%
2,029
+17
+0.8% +$781
IVOL icon
1507
Quadratic Interest Rate Volatility and Inflation Hedge ETF
IVOL
$270M
$96K ﹤0.01%
5,068
-1,403
-22% -$27.9K
FHLC icon
1508
Fidelity MSCI Health Care Index ETF
FHLC
$3.42B
$95.8K ﹤0.01%
1,374
+21
+2% +$1.42K
GSY icon
1509
Invesco Ultra Short Duration ETF
GSY
$3.88B
$94.5K ﹤0.01%
1,894
-398
-17% -$19.9K
CQQQ icon
1510
Invesco China Technology ETF
CQQQ
$3.24B
$93.3K ﹤0.01%
2,912
-74
-2% -$2.35K
DBEU icon
1511
Xtrackers MSCI Europe Hedged Equity ETF
DBEU
$798M
$93.2K ﹤0.01%
2,270
+270
+14% +$10.5K
XJR icon
1512
iShares ESG Screened S&P Small-Cap ETF
XJR
$190M
$92.6K ﹤0.01%
2,365
-215
-8% -$8.07K
SPTM icon
1513
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
SPTM
$14.1B
$92.6K ﹤0.01%
1,444
+1,442
+72,100% +$88K
QCLN icon
1514
First Trust NASDAQ Clean Edge Green Energy Index Fund
QCLN
$632M
$91.9K ﹤0.01%
2,650
+30
+1% +$1.06K
IMTB icon
1515
iShares Core 5-10 Year USD Bond ETF
IMTB
$275M
$91.6K ﹤0.01%
2,136
– –
GALT icon
1516
Galectin Therapeutics
GALT
$317M
$90.5K ﹤0.01%
37,884
– –
USHY icon
1517
iShares Broad USD High Yield Corporate Bond ETF
USHY
$29.1B
$90.1K ﹤0.01%
2,463
+36
+1% +$1.31K
QUS icon
1518
State Street SPDR MSCI USA StrategicFactors ETF
QUS
$1.58B
$89.6K ﹤0.01%
615
– –
SJNK icon
1519
State Street SPDR Bloomberg Short Term High Yield Bond ETF
SJNK
$4.8B
$89K ﹤0.01%
3,531
+30
+0.9% +$754
BBD icon
1520
Banco Bradesco
BBD
$34.9B
$88K ﹤0.01%
30,762
-27,100
-47% -$80.7K
DXYN
1521
DELISTED
Dixie Group Inc
DXYN
$87.7K ﹤0.01%
154,608
– –
SH icon
1522
ProShares Short S&P500
SH
$844M
$87.5K ﹤0.01%
1,845
+1
+0.1% +$50
JNK icon
1523
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.31B
$87.5K ﹤0.01%
919
+94
+11% +$8.89K
BYND icon
1524
Beyond Meat
BYND
$214M
$86.9K ﹤0.01%
10,494
-5,262
-33% -$40.5K
CTXR icon
1525
Citius Pharmaceuticals
CTXR
$21M
$86.3K ﹤0.01%
3,848
+200
+5% +$3.65K
59 60
61
62 63

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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.