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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
FEZ icon
1601
State Street SPDR EURO STOXX 50 ETF
FEZ
$4.55B
$44.7K ﹤0.01%
850
– –
COPX icon
1602
Global X Copper Miners ETF NEW
COPX
$8.22B
$44.2K ﹤0.01%
1,041
– –
QBTS icon
1603
D-Wave Quantum Inc. Common Stock
QBTS
$7.72B
$43.9K ﹤0.01%
21,500
-12,500
-37% -$17.6K
MOO icon
1604
VanEck Agribusiness ETF
MOO
$974M
$43.4K ﹤0.01%
577
+219
+61% +$15.9K
BRF icon
1605
VanEck Brazil Small-Cap ETF
BRF
$20.4M
$43.1K ﹤0.01%
2,572
– –
IHF icon
1606
iShares US Healthcare Providers ETF
IHF
$1.27B
$43.1K ﹤0.01%
790
– –
PYXS icon
1607
Pyxis Oncology
PYXS
$201M
$43K ﹤0.01%
+10,100
New +$42.5K
PID icon
1608
Invesco International Dividend Achievers ETF
PID
$912M
$42.7K ﹤0.01%
2,303
+53
+2% +$968
LNAI
1609
Lunai Bioworks
LNAI
$10.7M
$42.7K ﹤0.01%
201
– –
DVYE icon
1610
iShares Emerging Markets Dividend ETF
DVYE
$1.21B
$42.5K ﹤0.01%
1,625
-1,271
-44% -$33.3K
IZRL icon
1611
ARK Israel Innovative Technology ETF
IZRL
$139M
$41.9K ﹤0.01%
1,990
-95,500
-98% -$1.93M
WOMN icon
1612
Impact Shares Womens Empowerment ETF Trading
WOMN
$59.1M
$41.1K ﹤0.01%
1,140
– –
AWRE icon
1613
Aware
AWRE
$26M
$41.1K ﹤0.01%
21,964
– –
FINX icon
1614
Global X FinTech ETF
FINX
$166M
$41.1K ﹤0.01%
1,474
-24
-2% -$612
WW
1615
DELISTED
WW International
WW
$40.4K ﹤0.01%
21,845
-9,455
-30% -$37.6K
IGE icon
1616
iShares North American Natural Resources ETF
IGE
$786M
$40K ﹤0.01%
888
-283
-24% -$11.6K
XOP icon
1617
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.68B
$39.8K ﹤0.01%
257
+106
+70% +$14.7K
IAT icon
1618
iShares US Regional Banks ETF
IAT
$687M
$39.2K ﹤0.01%
904
-800
-47% -$32.8K
FDIS icon
1619
Fidelity MSCI Consumer Discretionary Index ETF
FDIS
$1.71B
$39.2K ﹤0.01%
475
– –
AVPT icon
1620
AvePoint
AVPT
$2.75B
$38.1K ﹤0.01%
+4,813
New +$37.9K
KOPN icon
1621
Kopin
KOPN
$930M
$37.8K ﹤0.01%
+21,000
New +$46.7K
IQLT icon
1622
iShares MSCI Intl Quality Factor ETF
IQLT
$14.3B
$37.1K ﹤0.01%
936
+435
+87% +$16.6K
EWG icon
1623
iShares MSCI Germany ETF
EWG
$1.67B
$37.1K ﹤0.01%
1,168
-959
-45% -$28.7K
SPTL icon
1624
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.7B
$36.6K ﹤0.01%
1,309
+1,162
+790% +$32.4K
BELFA icon
1625
Bel Fuse Inc Class A
BELFA
$3.43B
$35.4K ﹤0.01%
500
– –
63 64
65
66 67

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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.