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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
FSTA icon
1751
Fidelity MSCI Consumer Staples Index ETF
FSTA
$1.42B
$2.57K ﹤0.01%
54
– –
KBE icon
1752
State Street SPDR S&P Bank ETF
KBE
$1.74B
$2.35K ﹤0.01%
50
-1,397
-97% -$62.7K
SRVR icon
1753
Pacer Data & Infrastructure Real Estate ETF
SRVR
$386M
$2.32K ﹤0.01%
81
– –
PGF icon
1754
Invesco Financial Preferred ETF
PGF
$668M
$2.29K ﹤0.01%
150
-408
-73% -$6.14K
IYT icon
1755
iShares US Transportation ETF
IYT
$2.27B
$2.25K ﹤0.01%
32
– –
USDU icon
1756
WisdomTree Bloomberg US Dollar Bullish Fund
USDU
$458M
$2.23K ﹤0.01%
85
– –
NORW icon
1757
Global X MSCI Norway ETF
NORW
$87.7M
$2.13K ﹤0.01%
87
– –
HYLS icon
1758
First Trust Exchange-Traded Fund IV First Trust Tactical High Yield ETF
HYLS
$1.64B
$1.9K ﹤0.01%
46
– –
SILJ icon
1759
Amplify Junior Silver Miners ETF
SILJ
$3.99B
$1.89K ﹤0.01%
+190
New +$1.7K
XSLV icon
1760
Invesco S&P SmallCap Low Volatility ETF
XSLV
$249M
$1.86K ﹤0.01%
42
– –
PEY icon
1761
Invesco High Yield Equity Dividend Achievers ETF
PEY
$1.16B
$1.65K ﹤0.01%
80
-170
-68% -$3.43K
CORP icon
1762
PIMCO Investment Grade Corporate Bond Index Exchange-Traded Fund
CORP
$1.58B
$1.55K ﹤0.01%
16
-287
-95% -$27.5K
MXI icon
1763
iShares Global Materials ETF
MXI
$361M
$1.48K ﹤0.01%
17
– –
FALN icon
1764
iShares Fallen Angels USD Bond ETF
FALN
$1.6B
$967 ﹤0.01%
36
– –
IGLB icon
1765
iShares 10+ Year Investment Grade Corporate Bond ETF
IGLB
$2.78B
$927 ﹤0.01%
18
– –
HYEM icon
1766
VanEck Emerging Markets High Yield Bond ETF
HYEM
$526M
$870 ﹤0.01%
46
+1
+2% +$19
EIDO icon
1767
iShares MSCI Indonesia ETF
EIDO
$492M
$721 ﹤0.01%
+32
New +$717
RWM icon
1768
ProShares Short Russell2000
RWM
$99.7M
$602 ﹤0.01%
+30
New +$640
PIIIW icon
1769
P3 Health Partners Inc Warrant
PIIIW
$199K
$466 ﹤0.01%
7,765
– –
PSR icon
1770
Invesco Active US Real Estate Fund
PSR
$59.2M
$353 ﹤0.01%
4
– –
PARAA
1771
DELISTED
Paramount Global Class A
PARAA
$349 ﹤0.01%
+16
New +$331
CHGG icon
1772
Chegg
CHGG
$88.9M
$250 ﹤0.01%
33
– –
ISPOW
1773
DELISTED
Inspirato Inc Warrant
ISPOW
$152 ﹤0.01%
15,000
– –
RYLD icon
1774
Global X Russell 2000 Covered Call ETF
RYLD
$1.39B
$152 ﹤0.01%
9
-35
-80% -$579
SRS icon
1775
ProShares UltraShort Real Estate
SRS
$16.1M
$73 ﹤0.01%
1
– –
69 70
71
72 73

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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.