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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
JEF icon
976
Jefferies Financial Group
JEF
$12.9B
$689K ﹤0.01%
17,038
+200
+1% +$7.08K
CFG icon
977
Citizens Financial Group
CFG
$31.2B
$684K ﹤0.01%
20,635
-2,481
-11% -$68.3K
RVTY icon
978
Revvity
RVTY
$13.1B
$682K ﹤0.01%
6,242
+39
+0.6% +$3.76K
DCOM icon
979
Dime Commercial Bancshares
DCOM
$1.82B
$682K ﹤0.01%
25,324
– –
GPK icon
980
Graphic Packaging
GPK
$3.51B
$680K ﹤0.01%
27,600
+10,300
+60% +$231K
AXSM icon
981
Axsome Therapeutics
AXSM
$11.2B
$678K ﹤0.01%
8,520
-3,750
-31% -$251K
SPYV icon
982
State Street SPDR Portfolio S&P 500 Value ETF
SPYV
$36.8B
$677K ﹤0.01%
14,524
+1,818
+14% +$78.4K
PMAR icon
983
Innovator US Equity Power Buffer ETF March
PMAR
$771M
$676K ﹤0.01%
18,976
-785
-4% -$27K
GWX icon
984
State Street SPDR S&P International Small Cap ETF
GWX
$928M
$675K ﹤0.01%
21,240
+236
+1% +$6.93K
LESL icon
985
Leslie's
LESL
$7.21M
$667K ﹤0.01%
4,830
-1,239
-20% -$136K
TW icon
986
Tradeweb Markets
TW
$22.3B
$664K ﹤0.01%
7,301
-848
-10% -$75.7K
DLN icon
987
WisdomTree US LargeCap Dividend Fund
DLN
$6.45B
$662K ﹤0.01%
9,966
+700
+8% +$44K
MRVI icon
988
Maravai LifeSciences
MRVI
$861M
$661K ﹤0.01%
100,962
-165,298
-62% -$1.07M
VTIP icon
989
Vanguard Short-Term Inflation-Protected Securities Index Fund
VTIP
$19.8B
$661K ﹤0.01%
13,925
-12,545
-47% -$594K
NACP icon
990
Impact Shares NAACP Minority Empowerment ETF
NACP
$77.7M
$660K ﹤0.01%
19,436
+459
+2% +$14.7K
SP
991
DELISTED
SP Plus Corporation
SP
$658K ﹤0.01%
12,838
-49,274
-79% -$2.47M
EPP icon
992
iShares MSCI Pacific ex Japan ETF
EPP
$2.24B
$656K ﹤0.01%
15,104
-1,981
-12% -$80.3K
LGND icon
993
Ligand Pharmaceuticals
LGND
$5.76B
$654K ﹤0.01%
9,156
-975
-10% -$57.5K
HQY icon
994
HealthEquity
HQY
$8.83B
$654K ﹤0.01%
9,858
-1,766
-15% -$122K
NI icon
995
NiSource
NI
$20.2B
$648K ﹤0.01%
24,409
+317
+1% +$8.15K
ONB icon
996
Old National Bancorp
ONB
$10.4B
$647K ﹤0.01%
38,323
-2,965
-7% -$44.5K
VSS icon
997
Vanguard FTSE All-World ex-US Small-Cap Index Fund
VSS
$12B
$646K ﹤0.01%
5,612
+293
+6% +$31.5K
JCI icon
998
Johnson Controls International
JCI
$91.7B
$644K ﹤0.01%
11,179
-67,082
-86% -$3.52M
BHC icon
999
Bausch Health
BHC
$2.37B
$644K ﹤0.01%
80,245
-27,500
-26% -$200K
PJUL icon
1000
Innovator US Equity Power Buffer ETF July
PJUL
$1.29B
$640K ﹤0.01%
17,697
+1,325
+8% +$45.9K
38 39
40
41 42

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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.