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
BYND icon
1451
Beyond Meat
BYND
$216M
$140K ﹤0.01%
15,756
-7,415
-32% -$58.3K
CGW icon
1452
Invesco S&P Global Water Index ETF
CGW
$1.06B
$140K ﹤0.01%
2,633
-403
-13% -$19.7K
PCY icon
1453
Invesco Emerging Markets Sovereign Debt ETF
PCY
$1.39B
$139K ﹤0.01%
6,750
-567
-8% -$10.7K
SEAT icon
1454
Vivid Seats
SEAT
$83.6M
$138K ﹤0.01%
1,094
+504
+85% +$69K
KLG
1455
DELISTED
WK Kellogg Co
KLG
$138K ﹤0.01%
+10,481
New +$118K
PIE icon
1456
Invesco Dorsey Wright Emerging Markets Momentum ETF
PIE
$249M
$137K ﹤0.01%
6,979
-50
-0.7% -$932
FLRN icon
1457
State Street SPDR Bloomberg Investment Grade Floating Rate ETF
FLRN
$2.97B
$137K ﹤0.01%
4,463
-2,932
-40% -$89.8K
LSXMK
1458
DELISTED
Liberty Media Corporation Series C Liberty SiriusXM Common Stock
LSXMK
$134K ﹤0.01%
4,654
-51
-1% -$1.34K
IVOL icon
1459
Quadratic Interest Rate Volatility and Inflation Hedge ETF
IVOL
$271M
$134K ﹤0.01%
6,471
+4,738
+273% +$98K
OPPE
1460
WisdomTree European Opportunities Fund
OPPE
$295M
$133K ﹤0.01%
3,700
-150
-4% -$5.08K
RGT
1461
Royce Global Value Trust
RGT
$101M
$132K ﹤0.01%
13,520
-875
-6% -$7.7K
MKC.V icon
1462
McCormick & Company Voting
MKC.V
$14.6B
$131K ﹤0.01%
1,921
-22
-1% -$1.45K
DON icon
1463
WisdomTree US MidCap Dividend Fund
DON
$4.1B
$129K ﹤0.01%
2,833
+1,091
+63% +$45.8K
FPE icon
1464
First Trust Preferred Securities and Income ETF
FPE
$6.34B
$128K ﹤0.01%
7,602
-2,663
-26% -$43K
HLN icon
1465
Haleon
HLN
$43.1B
$128K ﹤0.01%
15,552
-361
-2% -$2.98K
NXE icon
1466
NexGen Energy
NXE
$6.93B
$127K ﹤0.01%
+18,159
New +$113K
GBX icon
1467
The Greenbrier Companies
GBX
$1.42B
$127K ﹤0.01%
2,873
– –
JOBY icon
1468
Joby Aviation
JOBY
$7.89B
$126K ﹤0.01%
18,955
+1,135
+6% +$6.99K
NEPH icon
1469
Nephros
NEPH
$48.3M
$125K ﹤0.01%
36,249
– –
HTZ icon
1470
Hertz
HTZ
$927M
$123K ﹤0.01%
11,837
-4,751
-29% -$45.9K
MODD icon
1471
Modular Medical
MODD
$10.3M
$119K ﹤0.01%
2,186
+1,519
+228% +$58.3K
FDIQ
1472
Invesco Bloomberg Financial Data Providers ETF
FDIQ
$48.6M
$117K ﹤0.01%
2,143
+402
+23% +$18.9K
SG icon
1473
Sweetgreen
SG
$704M
$117K ﹤0.01%
+10,366
New +$109K
DGS icon
1474
WisdomTree Emerging Markets SmallCap Dividend Fund
DGS
$1.77B
$117K ﹤0.01%
2,342
– –
SPTS icon
1475
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.12B
$116K ﹤0.01%
3,998
-81
-2% -$2.33K
57 58
59
60 61

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 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
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
First Manhattan
First Manhattan New York $36.1B AUM 11.5% 1-Year Est. Return
Newport Trust Company
Newport Trust Company Washington, District of Columbia $40.7B AUM 24.62% 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.