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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
DCI icon
1026
Donaldson
DCI
$11.1B
$590K ﹤0.01%
9,030
+34
+0.4% +$2.07K
ARCT icon
1027
Arcturus Therapeutics
ARCT
$223M
$590K ﹤0.01%
18,705
– –
LGF.B
1028
DELISTED
Lions Gate Entertainment Corp. Class B Non-Voting Shares
LGF.B
$589K ﹤0.01%
57,800
+8,600
+17% +$73.7K
CBAY
1029
DELISTED
Cymabay Therapeutics
CBAY
$588K ﹤0.01%
+24,888
New +$443K
KEY icon
1030
KeyCorp
KEY
$24.6B
$581K ﹤0.01%
40,382
-6,968
-15% -$82.7K
ALB icon
1031
Albemarle
ALB
$15.4B
$581K ﹤0.01%
4,025
+212
+6% +$29.1K
FOLD
1032
DELISTED
Amicus Therapeutics
FOLD
$581K ﹤0.01%
40,915
+5,461
+15% +$62K
ACCD
1033
DELISTED
Accolade Inc
ACCD
$576K ﹤0.01%
47,956
-58,939
-55% -$505K
DG icon
1034
Dollar General
DG
$26.9B
$575K ﹤0.01%
4,227
-4,551
-52% -$552K
UFPI icon
1035
UFP Industries
UFPI
$5.03B
$573K ﹤0.01%
4,566
+74
+2% +$7.99K
SCHV
1036
Schwab US Large-Cap Value ETF
SCHV
$16.3B
$572K ﹤0.01%
24,462
-924
-4% -$20.2K
SAN icon
1037
Banco Santander
SAN
$211B
$566K ﹤0.01%
136,691
+1,927
+1% +$7.54K
DELL icon
1038
Dell
DELL
$320B
$566K ﹤0.01%
7,396
+7
+0.1% +$495
JHMM icon
1039
John Hancock Multifactor Mid Cap ETF
JHMM
$6.18B
$565K ﹤0.01%
10,735
-116
-1% -$5.6K
MNST icon
1040
Monster Beverage
MNST
$91.4B
$564K ﹤0.01%
19,594
+258
+1% +$6.89K
BKR icon
1041
Baker Hughes
BKR
$63B
$564K ﹤0.01%
16,486
+1,400
+9% +$47.8K
CBRE icon
1042
CBRE Group
CBRE
$44B
$560K ﹤0.01%
6,020
-390
-6% -$30.3K
TOL icon
1043
Toll Brothers
TOL
$14B
$558K ﹤0.01%
5,426
+1,967
+57% +$164K
CRI icon
1044
Carter's
CRI
$1.44B
$550K ﹤0.01%
7,342
+1,554
+27% +$108K
HSIC icon
1045
Henry Schein
HSIC
$10B
$549K ﹤0.01%
7,247
-2,519
-26% -$176K
CHDN icon
1046
Churchill Downs
CHDN
$6.2B
$545K ﹤0.01%
4,040
-246
-6% -$29.2K
XPO icon
1047
XPO
XPO
$24.7B
$542K ﹤0.01%
6,190
-108
-2% -$8.8K
XT icon
1048
iShares Future Exponential Technologies ETF
XT
$4.01B
$542K ﹤0.01%
9,055
– –
LW icon
1049
Lamb Weston
LW
$7.39B
$542K ﹤0.01%
5,010
-256
-5% -$24.7K
BURL icon
1050
Burlington
BURL
$22.4B
$538K ﹤0.01%
2,767
+441
+19% +$65.8K
40 41
42
43 44

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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.