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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
VIOG icon
1676
Vanguard S&P Small-Cap 600 Growth ETF
VIOG
$1.13B
$18.6K ﹤0.01%
165
-2
-1% -$215
DTH icon
1677
WisdomTree International High Dividend Fund
DTH
$659M
$18.5K ﹤0.01%
468
-500
-52% -$19.2K
GLDG
1678
GoldMining Inc
GLDG
$223M
$17.5K ﹤0.01%
20,000
– –
SPHB icon
1679
Invesco S&P 500 High Beta ETF
SPHB
$947M
$17.2K ﹤0.01%
+196
New +$16.2K
KBWB icon
1680
Invesco KBW Bank ETF
KBWB
$6.85B
$16K ﹤0.01%
298
+2
+0.7% +$99
BWX icon
1681
State Street SPDR Bloomberg International Treasury Bond ETF
BWX
$1.31B
$15.9K ﹤0.01%
713
-45
-6% -$1.01K
FTSM icon
1682
First Trust Enhanced Short Maturity ETF
FTSM
$6.54B
$15.4K ﹤0.01%
258
+2
+0.8% +$120
SPEU icon
1683
State Street SPDR Portfolio Europe ETF
SPEU
$742M
$15.4K ﹤0.01%
365
-70
-16% -$2.83K
VISN
1684
Vistance Networks Inc
VISN
$2.67B
$15.2K ﹤0.01%
+11,594
New +$22.8K
QLTA icon
1685
iShares AAA-A Rated Corporate Bond ETF
QLTA
$1.21B
$14.4K ﹤0.01%
304
– –
FXN icon
1686
First Trust Energy AlphaDEX Fund
FXN
$388M
$14K ﹤0.01%
745
– –
CZA icon
1687
Invesco Zacks Mid-Cap ETF
CZA
$192M
$13.7K ﹤0.01%
135
– –
FWONA icon
1688
Liberty Media Series A
FWONA
$23.7B
$13.6K ﹤0.01%
232
+117
+102% +$7.07K
CUT icon
1689
Invesco MSCI Global Timber ETF
CUT
$33.4M
$13.6K ﹤0.01%
400
– –
SENS icon
1690
Senseonics Holdings Inc
SENS
$419M
$13.4K ﹤0.01%
1,265
– –
RFG icon
1691
Invesco S&P MidCap 400 Pure Growth ETF
RFG
$362M
$13.4K ﹤0.01%
265
– –
XTL icon
1692
State Street SPDR S&P Telecom ETF
XTL
$558M
$13.3K ﹤0.01%
179
– –
SLQD icon
1693
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.38B
$13.2K ﹤0.01%
269
– –
FM
1694
DELISTED
iShares Frontier and Select EM ETF
FM
$12.7K ﹤0.01%
443
-591
-57% -$15.9K
EBND icon
1695
State Street SPDR Bloomberg Emerging Markets Local Bond ETF
EBND
$2.27B
$12.6K ﹤0.01%
614
+304
+98% +$6.31K
NKTR icon
1696
Nektar Therapeutics
NKTR
$2.57B
$12.4K ﹤0.01%
884
-18
-2% -$188
ENFR icon
1697
Alerian Energy Infrastructure ETF
ENFR
$521M
$12.1K ﹤0.01%
475
– –
SMMV icon
1698
iShares MSCI USA Small-Cap Min Vol Factor ETF
SMMV
$291M
$11.9K ﹤0.01%
317
– –
IDU icon
1699
iShares US Utilities ETF
IDU
$1.37B
$11.8K ﹤0.01%
140
– –
GSST icon
1700
Goldman Sachs Access Ultra Short Bond ETF
GSST
$1.59B
$11.8K ﹤0.01%
235
-298
-56% -$15K
66 67
68
69 70

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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.