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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
-3.85%
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
$26.1B
AUM Growth
-$1.22B
Cap. Flow
+$114M
Cap. Flow %
0.44%
Top 10 Hldgs %
23.71%
Holding
1,877
New
67
Increased
674
Reduced
719
Closed
85

Top Buys

Rank Stock Value
1
KVUE icon
Kenvue
KVUE
+$32.2M
2
LZ icon
LegalZoom.com
LZ
+$26.6M
3
CRWD icon
CrowdStrike
CRWD
+$24M
4
CSGP icon
CoStar Group
CSGP
+$20.8M
5
GNRC icon
Generac Holdings
GNRC
+$18.3M

Top Sells

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$37.6M
2
PODD icon
Insulet
PODD
+$37.3M
3
NVDA icon
NVIDIA
NVDA
+$24.8M
4
ATVI
Activision Blizzard
ATVI
+$20.6M
5
SBUX icon
Starbucks
SBUX
+$17.8M

Sector Composition

Rank Sector Weight
1 Technology 25.36%
2 Healthcare 17.61%
3 Financials 12.07%
4 Industrials 11.66%
5 Consumer Discretionary 8.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FTXL icon
1676
First Trust Nasdaq Semiconductor ETF
FTXL
$1.36B
$14.9K ﹤0.01%
220
– –
TQQQ icon
1677
ProShares UltraPro QQQ
TQQQ
$37.4B
$14.5K ﹤0.01%
816
-600
-42% -$12.2K
IDU icon
1678
iShares US Utilities ETF
IDU
$1.37B
$14.1K ﹤0.01%
191
– –
SRVR icon
1679
Pacer Data & Infrastructure Real Estate ETF
SRVR
$386M
$13.9K ﹤0.01%
536
-900
-63% -$25.7K
SOCL icon
1680
Global X Social Media ETF
SOCL
$90.3M
$13.8K ﹤0.01%
385
– –
KXI icon
1681
iShares Global Consumer Staples ETF
KXI
$1.06B
$13.8K ﹤0.01%
241
-267
-53% -$16.1K
QLTA icon
1682
iShares AAA-A Rated Corporate Bond ETF
QLTA
$1.21B
$13.7K ﹤0.01%
304
– –
OTLY
1683
Oatly Group
OTLY
$420M
$13.5K ﹤0.01%
755
-13
-2% -$378
POCT icon
1684
Innovator US Equity Power Buffer ETF October
POCT
$974M
$13.2K ﹤0.01%
390
– –
ACES icon
1685
ALPS Clean Energy ETF
ACES
$124M
$13.1K ﹤0.01%
358
-89
-20% -$3.84K
FXN icon
1686
First Trust Energy AlphaDEX Fund
FXN
$388M
$13K ﹤0.01%
745
– –
PJAN icon
1687
Innovator US Equity Power Buffer ETF January
PJAN
$1.43B
$12.9K ﹤0.01%
372
– –
LGF.A
1688
DELISTED
Lions Gate Entertainment Corp. Class A Voting Shares
LGF.A
$12.7K ﹤0.01%
1,500
– –
XTL icon
1689
State Street SPDR S&P Telecom ETF
XTL
$558M
$12.7K ﹤0.01%
179
– –
BWX icon
1690
State Street SPDR Bloomberg International Treasury Bond ETF
BWX
$1.31B
$12.7K ﹤0.01%
596
+1
+0.2% +$22
SCWO icon
1691
374Water
SCWO
$41.1M
$12.4K ﹤0.01%
1,000
– –
TCRT icon
1692
Alaunos Therapeutics
TCRT
$4.88M
$12.4K ﹤0.01%
625
– –
SPTL icon
1693
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.7B
$12.1K ﹤0.01%
464
-574
-55% -$16.2K
CUT icon
1694
Invesco MSCI Global Timber ETF
CUT
$33.4M
$12.1K ﹤0.01%
400
– –
KBWB icon
1695
Invesco KBW Bank ETF
KBWB
$6.85B
$11.8K ﹤0.01%
295
-448
-60% -$19.1K
CZA icon
1696
Invesco Zacks Mid-Cap ETF
CZA
$192M
$11.5K ﹤0.01%
135
– –
KBWD icon
1697
Invesco KBW High Dividend Yield Financial ETF
KBWD
$427M
$11K ﹤0.01%
725
– –
PXH icon
1698
Invesco FTSE RAFI Emerging Markets ETF
PXH
$1.97B
$10.5K ﹤0.01%
591
-178
-23% -$3.31K
ENFR icon
1699
Alerian Energy Infrastructure ETF
ENFR
$521M
$10.5K ﹤0.01%
475
– –
RFG icon
1700
Invesco S&P MidCap 400 Pure Growth ETF
RFG
$362M
$10.4K ﹤0.01%
265
– –
66 67
68
69 70

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William Blair & Company's Q3 2023 Portfolio in Review

As of Q3 2023, William Blair & Company held 1,877 positions worth $26.1B, down 4.5% from $27.3B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q3 2023 filing shows 67 new, 674 increased, 719 reduced and 85 closed positions. Its largest new stake was Kenvue: 1,391,743 shares worth $27.9M. The largest sale was Apple, an estimated $37.6M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2023 buy was Kenvue: 1,391,743 shares worth $27.9M.
  • William Blair & Company added most to LegalZoom.com in Q3 2023, an estimated $26.6M increase.
  • William Blair & Company's biggest Q3 2023 reduction was Apple, cutting an estimated $37.6M.
  • William Blair & Company fully exited Activision Blizzard in Q3 2023, selling an estimated $20.6M.
  • William Blair & Company's ten largest holdings make up 24% of its $26.1B portfolio in Q3 2023.
  • William Blair & Company opened 67 new positions and closed 85 in Q3 2023.
  • William Blair & Company's portfolio value fell 4.5% quarter-over-quarter to $26.1B.

Based on William Blair & Company's 13F filing for Q3 2023, filed 9 Nov 2023.