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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
CG icon
701
Carlyle Group
CG
$17.3B
$1.75M 0.01%
43,108
+9,215
+27% +$303K
AEM icon
702
Agnico Eagle Mines
AEM
$91.8B
$1.75M 0.01%
31,899
+8,181
+34% +$409K
SPSB icon
703
State Street SPDR Portfolio Short Term Corporate Bond ETF
SPSB
$10.8B
$1.75M 0.01%
58,696
-20,618
-26% -$607K
QUAL icon
704
iShares MSCI USA Quality Factor ETF
QUAL
$48.2B
$1.74M 0.01%
11,812
-303
-3% -$41.9K
RDFN
705
DELISTED
Redfin
RDFN
$1.73M 0.01%
167,701
-26,323
-14% -$183K
AIG icon
706
American International
AIG
$40.2B
$1.73M 0.01%
25,531
+10,280
+67% +$655K
FTA icon
707
First Trust Large Cap Value AlphaDEX Fund
FTA
$1.43B
$1.73M 0.01%
24,378
-207
-0.8% -$13.7K
DBEF icon
708
Xtrackers MSCI EAFE Hedged Equity ETF
DBEF
$9.45B
$1.73M 0.01%
46,664
-164
-0.4% -$5.81K
NTR icon
709
Nutrien
NTR
$32.1B
$1.72M 0.01%
30,480
-832
-3% -$47K
MINT icon
710
PIMCO Enhanced Short Maturity Active Exchange-Traded Fund
MINT
$17.1B
$1.69M 0.01%
16,903
-379
-2% -$37.9K
D icon
711
Dominion Energy
D
$60.1B
$1.68M 0.01%
35,778
-3,355
-9% -$150K
GTLB icon
712
GitLab
GTLB
$6.92B
$1.68M 0.01%
26,644
-2,910
-10% -$147K
CVNA icon
713
Carvana
CVNA
$79.5B
$1.67M 0.01%
157,780
+36,180
+30% +$271K
WYNN icon
714
Wynn Resorts
WYNN
$10.6B
$1.67M 0.01%
18,330
-465
-2% -$41.2K
IVOG icon
715
Vanguard S&P Mid-Cap 400 Growth ETF
IVOG
$1.73B
$1.66M 0.01%
16,870
-458
-3% -$41.9K
RPM icon
716
RPM International
RPM
$14.6B
$1.65M 0.01%
14,823
+108
+0.7% +$10.9K
RIG icon
717
Transocean
RIG
$6.43B
$1.65M 0.01%
260,406
-8,730
-3% -$58.4K
HBAN icon
718
Huntington Bancshares
HBAN
$36.3B
$1.64M 0.01%
128,694
+26,696
+26% +$292K
TER icon
719
Teradyne
TER
$63.7B
$1.62M 0.01%
14,921
+254
+2% +$24.1K
SWK icon
720
Stanley Black & Decker
SWK
$15.5B
$1.61M 0.01%
16,443
+393
+2% +$34.6K
ENTG icon
721
Entegris
ENTG
$24.6B
$1.61M 0.01%
13,454
-273
-2% -$27.7K
FRPT icon
722
Freshpet
FRPT
$3.5B
$1.61M 0.01%
18,550
– –
AVY icon
723
Avery Dennison
AVY
$13.7B
$1.61M 0.01%
7,948
+160
+2% +$29.9K
DFUV icon
724
Dimensional US Marketwide Value ETF
DFUV
$16B
$1.59M 0.01%
42,745
+1,038
+2% +$35.7K
BND icon
725
Vanguard Total Bond Market
BND
$162B
$1.59M 0.01%
21,616
-30,559
-59% -$2.16M
27 28
29
30 31

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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.