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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
GCMGW
1726
DELISTED
GCM Grosvenor Inc Warrant
GCMGW
$7.2K ﹤0.01%
14,990
– –
IXP icon
1727
iShares Global Comm Services ETF
IXP
$561M
$7.15K ﹤0.01%
85
-295
-78% -$23.6K
XHS icon
1728
State Street SPDR S&P Health Care Services ETF
XHS
$207M
$7.11K ﹤0.01%
75
– –
LBRDA icon
1729
Liberty Broadband Class A
LBRDA
$5.07B
$6.68K ﹤0.01%
117
+32
+38% +$2.11K
DWM icon
1730
WisdomTree International Equity Fund
DWM
$693M
$6.58K ﹤0.01%
120
-9
-7% -$476
DSTL icon
1731
Distillate US Fundamental Stability & Value ETF
DSTL
$2.05B
$5.94K ﹤0.01%
110
– –
MILN
1732
Global X Millennial Consumer ETF
MILN
$102M
$5.87K ﹤0.01%
+150
New +$5.53K
SLVP icon
1733
iShares MSCI Global Silver and Metals Miners ETF
SLVP
$976M
$5.77K ﹤0.01%
568
– –
RSPS icon
1734
Invesco S&P 500 Equal Weight Consumer Staples ETF
RSPS
$246M
$5.76K ﹤0.01%
175
– –
DFE icon
1735
WisdomTree Europe SmallCap Dividend Fund
DFE
$168M
$5.68K ﹤0.01%
95
– –
TBT icon
1736
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$309M
$4.94K ﹤0.01%
150
-500
-77% -$16.6K
ISCV icon
1737
iShares Morningstar Small-Cap Value ETF
ISCV
$706M
$4.9K ﹤0.01%
80
-10
-11% -$580
TOVX icon
1738
Theriva Biologics
TOVX
$11M
$4.76K ﹤0.01%
406
– –
SIL icon
1739
Global X Silver Miners ETF NEW
SIL
$4.89B
$4.56K ﹤0.01%
+166
New +$4.2K
LEGR icon
1740
First Trust Indxx Innovative Transaction & Process ETF
LEGR
$133M
$4.29K ﹤0.01%
100
– –
AIA icon
1741
iShares Asia 50 ETF
AIA
$5.04B
$4.01K ﹤0.01%
66
– –
NANR icon
1742
State Street SPDR S&P North American Natural Resources ETF
NANR
$812M
$3.77K ﹤0.01%
69
– –
SPMB icon
1743
State Street SPDR Portfolio Mortgage Backed Bond ETF
SPMB
$7.05B
$3.69K ﹤0.01%
+170
New +$3.69K
FXZ icon
1744
First Trust Materials AlphaDEX Fund
FXZ
$390M
$3.26K ﹤0.01%
46
– –
BLV icon
1745
Vanguard Long-Term Bond ETF
BLV
$5.7B
$3.18K ﹤0.01%
44
+12
+38% +$866
ANGL icon
1746
VanEck Fallen Angel High Yield Bond ETF
ANGL
$3.11B
$2.96K ﹤0.01%
102
– –
EINC icon
1747
VanEck Energy Income ETF
EINC
$79.5M
$2.92K ﹤0.01%
38
– –
SCHI icon
1748
Schwab 5-10 Year Corporate Bond ETF
SCHI
$11.5B
$2.76K ﹤0.01%
124
-318
-72% -$7.06K
XRLV
1749
DELISTED
Invesco S&P 500 ex-Rate Sensitive Low Volatility ETF
XRLV
$2.75K ﹤0.01%
55
– –
IAK icon
1750
iShares US Insurance ETF
IAK
$534M
$2.58K ﹤0.01%
22
– –
68 69
70
71 72

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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.