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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
GM icon
601
General Motors
GM
$76.1B
$2.72M 0.01%
75,590
-9,329
-11% -$289K
VGIT icon
602
Vanguard Intermediate-Term Treasury ETF
VGIT
$42.4B
$2.69M 0.01%
45,365
+3,397
+8% +$196K
MTN icon
603
Vail Resorts
MTN
$5.29B
$2.68M 0.01%
12,569
-1,671
-12% -$366K
ED icon
604
Consolidated Edison
ED
$39.9B
$2.67M 0.01%
29,362
-1,333
-4% -$119K
PCAR icon
605
PACCAR
PCAR
$69B
$2.67M 0.01%
27,332
+1,159
+4% +$104K
CHKP icon
606
Check Point Software Technologies
CHKP
$13.2B
$2.65M 0.01%
17,374
+853
+5% +$121K
DLR icon
607
Digital Realty Trust
DLR
$72.9B
$2.65M 0.01%
19,701
+1,818
+10% +$235K
CGUS icon
608
Capital Group Core Equity ETF
CGUS
$11.9B
$2.65M 0.01%
+93,659
New +$2.47M
ROKU icon
609
Roku
ROKU
$22.5B
$2.65M 0.01%
28,895
-17,338
-38% -$1.45M
RY icon
610
Royal Bank of Canada
RY
$297B
$2.64M 0.01%
26,102
-79
-0.3% -$6.96K
BFEB icon
611
Innovator US Equity Buffer ETF February
BFEB
$259M
$2.64M 0.01%
71,952
– –
RWO icon
612
State Street SPDR Dow Jones Global Real Estate ETF
RWO
$1.28B
$2.63M 0.01%
60,073
+11,557
+24% +$456K
DIVO icon
613
Amplify CWP Enhanced Dividend Income ETF
DIVO
$7.81B
$2.61M 0.01%
71,404
-9,099
-11% -$320K
LSCC icon
614
Lattice Semiconductor
LSCC
$18.4B
$2.61M 0.01%
37,781
+6,312
+20% +$419K
ELV icon
615
Elevance Health
ELV
$86.6B
$2.61M 0.01%
5,524
-852
-13% -$394K
AMN icon
616
AMN Healthcare
AMN
$1.26B
$2.59M 0.01%
34,563
-47,933
-58% -$3.43M
FCX icon
617
Freeport-McMoran
FCX
$96.9B
$2.59M 0.01%
60,779
-89,540
-60% -$3.31M
RVNC
618
DELISTED
Revance Therapeutics, Inc.
RVNC
$2.58M 0.01%
292,949
-33,357
-10% -$273K
XEL icon
619
Xcel Energy
XEL
$49.1B
$2.54M 0.01%
41,087
+687
+2% +$41.2K
ESGV icon
620
Vanguard ESG US Stock ETF
ESGV
$13.6B
$2.49M 0.01%
29,259
-14,473
-33% -$1.14M
SPG icon
621
Simon Property Group
SPG
$71.4B
$2.46M 0.01%
17,232
+155
+0.9% +$18.7K
IJK icon
622
iShares S&P Mid-Cap 400 Growth ETF
IJK
$11.2B
$2.45M 0.01%
30,905
-494
-2% -$36.2K
IYR icon
623
iShares US Real Estate ETF
IYR
$4.52B
$2.44M 0.01%
26,683
+6,007
+29% +$492K
B
624
Barrick Mining
B
$67.9B
$2.43M 0.01%
134,411
-2,948
-2% -$48.4K
FITB
625
Fifth Third Bancorp
FITB
$52.6B
$2.43M 0.01%
70,447
+27,331
+63% +$758K
23 24
25
26 27

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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.