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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
+14.12%
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
$29.3B
AUM Growth
+$3.27B
Cap. Flow
-$91M
Cap. Flow %
-0.31%
Top 10 Hldgs %
24.41%
Holding
1,872
New
83
Increased
624
Reduced
816
Closed
87

Top Buys

Rank Stock Value
1
GWRE icon
Guidewire Software
GWRE
+$37.5M
2
SCHW
Charles Schwab
SCHW
+$37.1M
3
VLTO icon
Veralto
VLTO
+$17.1M
4
VRTX icon
Vertex Pharmaceuticals
VRTX
+$16.7M
5
CSGP icon
CoStar Group
CSGP
+$16.3M

Top Sells

Rank Stock Value
1
DHR icon
Danaher
DHR
+$37.6M
2
IRTC icon
iRhythm Holdings
IRTC
+$26.7M
3
DE icon
Deere & Co
DE
+$22.6M
4
TOST icon
Toast
TOST
+$21.2M
5
KO icon
Coca-Cola
KO
+$20.3M

Sector Composition

Rank Sector Weight
1 Technology 26.35%
2 Healthcare 17.08%
3 Financials 12.09%
4 Industrials 11.7%
5 Consumer Discretionary 8.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
IGE icon
1576
iShares North American Natural Resources ETF
IGE
$786M
$47.7K ﹤0.01%
1,171
-39
-3% -$1.58K
IFLN
1577
Invesco Bloomberg Enhanced Fallen Angels ETF
IFLN
$306M
$47.6K ﹤0.01%
2,624
-1,816
-41% -$31.7K
SMOG icon
1578
VanEck Low Carbon Energy ETF
SMOG
$136M
$47.5K ﹤0.01%
429
+5
+1% +$511
OIH icon
1579
VanEck Oil Services ETF
OIH
$1.96B
$47.3K ﹤0.01%
153
-15
-9% -$4.82K
JMIA
1580
Jumia Technologies
JMIA
$793M
$46.2K ﹤0.01%
+13,100
New +$39.4K
BRF icon
1581
VanEck Brazil Small-Cap ETF
BRF
$20.4M
$45.2K ﹤0.01%
2,572
– –
JSMD icon
1582
Janus Henderson Small/Mid Cap Growth Alpha ETF
JSMD
$1.1B
$44.9K ﹤0.01%
+682
New +$40.5K
EZM icon
1583
WisdomTree US MidCap Fund
EZM
$957M
$43.9K ﹤0.01%
765
– –
SPYX icon
1584
State Street SPDR S&P 500 Fossil Fuel Reserves Free ETF
SPYX
$2.87B
$43.8K ﹤0.01%
1,128
– –
EQAL icon
1585
Invesco Russell 1000 Equal Weight ETF
EQAL
$844M
$43.3K ﹤0.01%
982
– –
PAYS icon
1586
Paysign
PAYS
$723M
$42.3K ﹤0.01%
15,120
– –
FPX icon
1587
First Trust US Equity Opportunities ETF
FPX
$1.53B
$42.2K ﹤0.01%
440
– –
PPA icon
1588
Invesco Aerospace & Defense ETF
PPA
$8.74B
$42.1K ﹤0.01%
457
+1
+0.2% +$86
PSQ icon
1589
ProShares Short QQQ
PSQ
$642M
$41.6K ﹤0.01%
878
+3
+0.3% +$155
PID icon
1590
Invesco International Dividend Achievers ETF
PID
$912M
$41.5K ﹤0.01%
2,250
-4,431
-66% -$75.8K
IHF icon
1591
iShares US Healthcare Providers ETF
IHF
$1.27B
$41.5K ﹤0.01%
790
– –
IPAC icon
1592
iShares Core MSCI Pacific ETF
IPAC
$2.78B
$41.5K ﹤0.01%
697
+353
+103% +$19.9K
OUSA icon
1593
ALPS O'Shares U.S. Quality Dividend ETF
OUSA
$758M
$40.9K ﹤0.01%
888
+2
+0.2% +$87
BBUS icon
1594
JPMorgan BetaBuilders US Equity ETF
BBUS
$9.22B
$40.7K ﹤0.01%
474
+434
+1,085% +$34.9K
FEZ icon
1595
State Street SPDR EURO STOXX 50 ETF
FEZ
$4.55B
$40.6K ﹤0.01%
850
– –
SPIP icon
1596
State Street SPDR Portfolio TIPS ETF
SPIP
$1.01B
$40.5K ﹤0.01%
1,582
-140
-8% -$3.5K
AGEN
1597
Agenus
AGEN
$311M
$40.2K ﹤0.01%
2,428
+100
+4% +$1.66K
SPGP icon
1598
Invesco S&P 500 GARP ETF
SPGP
$2.31B
$39.2K ﹤0.01%
+400
New +$37K
COPX icon
1599
Global X Copper Miners ETF NEW
COPX
$8.22B
$39K ﹤0.01%
1,041
– –
FINX icon
1600
Global X FinTech ETF
FINX
$166M
$38.3K ﹤0.01%
1,498
+69
+5% +$1.48K
62 63
64
65 66

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William Blair & Company's Q4 2023 Portfolio in Review

As of Q4 2023, William Blair & Company held 1,872 positions worth $29.3B, up 13% from $26.1B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q4 2023 filing shows 83 new, 624 increased, 816 reduced and 87 closed positions. Its largest new stake was Veralto: 229,539 shares worth $18.9M. The largest sale was Danaher, an estimated $37.6M.

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

  • William Blair & Company's largest Q4 2023 buy was Veralto: 229,539 shares worth $18.9M.
  • William Blair & Company added most to Guidewire Software in Q4 2023, an estimated $37.5M increase.
  • William Blair & Company's biggest Q4 2023 reduction was Danaher, cutting an estimated $37.6M.
  • William Blair & Company fully exited Seagen Inc. Common Stock in Q4 2023, selling an estimated $13.8M.
  • William Blair & Company's ten largest holdings make up 24% of its $29.3B portfolio in Q4 2023.
  • William Blair & Company opened 83 new positions and closed 87 in Q4 2023.
  • William Blair & Company's portfolio value rose 13% quarter-over-quarter to $29.3B.

Based on William Blair & Company's 13F filing for Q4 2023, filed 12 Feb 2024.