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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
ELD icon
1701
WisdomTree Emerging Markets Local Debt Fund
ELD
$143M
$7.7K ﹤0.01%
274
+1
+0.4% +$27
NKTR icon
1702
Nektar Therapeutics
NKTR
$2.57B
$7.65K ﹤0.01%
902
-1,634
-64% -$12.4K
QDF icon
1703
FlexShares Quality Dividend Index Fund
QDF
$2.28B
$7.63K ﹤0.01%
124
– –
RING icon
1704
iShares MSCI Global Gold Miners ETF
RING
$2.48B
$7.37K ﹤0.01%
+300
New +$6.87K
FIW icon
1705
First Trust Water ETF
FIW
$1.92B
$7.22K ﹤0.01%
76
+67
+744% +$5.74K
INTF icon
1706
iShares International Equity Factor ETF
INTF
$3.75B
$7.15K ﹤0.01%
255
– –
KXI icon
1707
iShares Global Consumer Staples ETF
KXI
$1.06B
$6.94K ﹤0.01%
117
-124
-51% -$7.14K
LBRDA icon
1708
Liberty Broadband Class A
LBRDA
$5.07B
$6.85K ﹤0.01%
85
+2
+2% +$168
UFEB icon
1709
Innovator US Equity Ultra Buffer ETF February
UFEB
$241M
$6.8K ﹤0.01%
231
– –
DWM icon
1710
WisdomTree International Equity Fund
DWM
$693M
$6.8K ﹤0.01%
129
-2,022
-94% -$99.8K
XHS icon
1711
State Street SPDR S&P Health Care Services ETF
XHS
$207M
$6.67K ﹤0.01%
75
– –
FWONA icon
1712
Liberty Media Series A
FWONA
$23.7B
$6.67K ﹤0.01%
115
– –
TCRT icon
1713
Alaunos Therapeutics
TCRT
$4.88M
$6.63K ﹤0.01%
625
– –
EBND icon
1714
State Street SPDR Bloomberg Emerging Markets Local Bond ETF
EBND
$2.27B
$6.58K ﹤0.01%
310
+291
+1,532% +$5.89K
PFFD icon
1715
Global X US Preferred ETF
PFFD
$2.17B
$5.81K ﹤0.01%
299
+164
+121% +$3.05K
SLVP icon
1716
iShares MSCI Global Silver and Metals Miners ETF
SLVP
$976M
$5.78K ﹤0.01%
568
+3
+0.5% +$28
DFE icon
1717
WisdomTree Europe SmallCap Dividend Fund
DFE
$168M
$5.67K ﹤0.01%
95
– –
RSPS icon
1718
Invesco S&P 500 Equal Weight Consumer Staples ETF
RSPS
$246M
$5.5K ﹤0.01%
175
– –
LLYVA icon
1719
Liberty Live Group Series A
LLYVA
$9.45B
$5.45K ﹤0.01%
149
-2
-1% -$66
DSTL icon
1720
Distillate US Fundamental Stability & Value ETF
DSTL
$2.05B
$5.43K ﹤0.01%
110
-18
-14% -$827
GCMGW
1721
DELISTED
GCM Grosvenor Inc Warrant
GCMGW
$5.4K ﹤0.01%
14,990
– –
ISCV icon
1722
iShares Morningstar Small-Cap Value ETF
ISCV
$706M
$5.33K ﹤0.01%
90
-6
-6% -$317
PEY icon
1723
Invesco High Yield Equity Dividend Achievers ETF
PEY
$1.16B
$5.29K ﹤0.01%
+250
New +$4.86K
INSG icon
1724
Inseego
INSG
$82.6M
$4.95K ﹤0.01%
2,250
-50
-2% -$151
TOVX icon
1725
Theriva Biologics
TOVX
$11M
$4.37K ﹤0.01%
+406
New +$5K
67 68
69
70 71

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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.