We are live on ! Find out more
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
STZ icon
401
Constellation Brands
STZ
$22.9B
$6.48M 0.02%
26,805
-941
-3% -$224K
HPQ icon
402
HP
HPQ
$26.8B
$6.4M 0.02%
212,797
+168,989
+386% +$4.73M
SO icon
403
Southern Company
SO
$106B
$6.34M 0.02%
90,483
+898
+1% +$61.7K
UCB
404
United Community Banks
UCB
$4.39B
$6.33M 0.02%
216,443
-27
-0% -$689
UL icon
405
Unilever
UL
$133B
$6.33M 0.02%
116,069
-7,505
-6% -$405K
TSM icon
406
TSMC
TSM
$2.23T
$6.33M 0.02%
60,843
+882
+1% +$84.1K
CARR icon
407
Carrier Global
CARR
$52B
$6.32M 0.02%
110,019
+39,613
+56% +$2.1M
THR
408
DELISTED
Thermon Group Holdings
THR
$6.31M 0.02%
193,859
+5,883
+3% +$175K
IJAN icon
409
Innovator International Developed Power Buffer ETF January
IJAN
$263M
$6.29M 0.02%
206,745
-7,197
-3% -$205K
XME icon
410
State Street SPDR S&P Metals & Mining ETF
XME
$4.52B
$6.25M 0.02%
104,408
+38,316
+58% +$2.03M
IVE icon
411
iShares S&P 500 Value ETF
IVE
$50B
$6.22M 0.02%
35,771
-67
-0.2% -$10.8K
WSC icon
412
WillScot Mobile Mini Holdings
WSC
$4B
$6.17M 0.02%
138,543
-4,196
-3% -$170K
MET icon
413
MetLife
MET
$61.4B
$6.16M 0.02%
93,158
-894
-1% -$55.9K
STIP icon
414
iShares 0-5 Year TIPS Bond ETF
STIP
$15.9B
$6.15M 0.02%
62,412
-2,932
-4% -$286K
IBB icon
415
iShares Biotechnology ETF
IBB
$9.86B
$6.13M 0.02%
45,139
-608
-1% -$74.2K
STKL
416
DELISTED
SunOpta
STKL
$6.09M 0.02%
1,113,742
-15,468
-1% -$67.7K
ODFL icon
417
Old Dominion Freight Line
ODFL
$44.1B
$6.07M 0.02%
29,934
-7,926
-21% -$1.57M
EFV icon
418
iShares MSCI EAFE Value ETF
EFV
$30.1B
$6.05M 0.02%
116,209
+6,631
+6% +$328K
IJUL icon
419
Innovator International Developed Power Buffer ETF July
IJUL
$258M
$6.01M 0.02%
221,682
-5,174
-2% -$134K
HSY icon
420
Hershey
HSY
$37B
$5.95M 0.02%
31,900
+227
+0.7% +$43K
APP icon
421
Applovin
APP
$102B
$5.9M 0.02%
148,176
+21,763
+17% +$853K
ARCC icon
422
Ares Capital
ARCC
$14.3B
$5.87M 0.02%
293,185
+86,719
+42% +$1.69M
CAG icon
423
Conagra Brands
CAG
$7.16B
$5.87M 0.02%
204,797
+163,664
+398% +$4.59M
BWA icon
424
BorgWarner
BWA
$14B
$5.84M 0.02%
162,971
+21,202
+15% +$757K
AMP icon
425
Ameriprise Financial
AMP
$49.9B
$5.76M 0.02%
15,175
-10,791
-42% -$3.7M
15 16
17
18 19

Similar funds

Parallax Volatility Advisers
Parallax Volatility Advisers San Francisco, California $38.6B AUM 45.89% 1-Year Est. Return
Credit Agricole
Credit Agricole Montrouge Cedex, France $38.1B AUM
Carson Wealth (CWM LLC)
Carson Wealth (CWM LLC) Omaha, Nebraska $38.1B AUM 19.66% 1-Year Est. Return
Nomura Asset Management
Nomura Asset Management Tokyo, Japan $38.8B AUM 30.94% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return
Fayez Sarofim & Co
Fayez Sarofim & Co Houston, Texas $39.1B AUM 15.14% 1-Year Est. Return
Grantham, Mayo, Van Otterloo & Co (GMO)
Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts $39.1B AUM 28.69% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return

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.