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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
USMV icon
376
iShares MSCI USA Min Vol Factor ETF
USMV
$24.4B
$7.29M 0.02%
93,372
-530
-0.6% -$39.5K
BIV icon
377
Vanguard Intermediate-Term Bond ETF
BIV
$28.8B
$7.27M 0.02%
95,221
+4,122
+5% +$302K
CHD icon
378
Church & Dwight Co
CHD
$24B
$7.27M 0.02%
76,859
+2,880
+4% +$264K
MPWR icon
379
Monolithic Power Systems
MPWR
$70B
$7.24M 0.02%
11,475
-33
-0.3% -$17.2K
AKAM icon
380
Akamai
AKAM
$17.6B
$7.23M 0.02%
61,128
+47
+0.1% +$5.23K
HUBB icon
381
Hubbell
HUBB
$27.1B
$7.21M 0.02%
21,924
+23
+0.1% +$6.92K
JBHT icon
382
JB Hunt Transport Services
JBHT
$25.9B
$7.19M 0.02%
36,016
-691
-2% -$128K
MGK icon
383
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.7B
$7.17M 0.02%
138,205
-5,890
-4% -$286K
KR icon
384
Kroger
KR
$34.3B
$7.12M 0.02%
155,838
+131,039
+528% +$5.82M
ARES icon
385
Ares Management
ARES
$32.1B
$7.07M 0.02%
59,455
+5,341
+10% +$580K
SEE
386
DELISTED
Sealed Air
SEE
$7.03M 0.02%
192,455
-121,424
-39% -$3.98M
COP icon
387
ConocoPhillips
COP
$153B
$6.99M 0.02%
60,210
-2,587
-4% -$303K
GLW icon
388
Corning
GLW
$144B
$6.96M 0.02%
228,575
+10,650
+5% +$305K
VBK icon
389
Vanguard Morningstar Small-Cap Growth ETF
VBK
$24.8B
$6.95M 0.02%
28,764
-295
-1% -$64K
MO icon
390
Altria Group
MO
$107B
$6.94M 0.02%
172,074
-118,827
-41% -$4.91M
WY icon
391
Weyerhaeuser
WY
$17.8B
$6.74M 0.02%
193,904
-5,194
-3% -$162K
DEO icon
392
Diageo
DEO
$52.2B
$6.67M 0.02%
45,789
-13,786
-23% -$2.04M
BABA icon
393
Alibaba
BABA
$300B
$6.65M 0.02%
85,753
-13,989
-14% -$1.11M
DD icon
394
DuPont de Nemours
DD
$19.5B
$6.63M 0.02%
68,699
-1,439
-2% -$131K
VIGI icon
395
Vanguard International Dividend Appreciation ETF
VIGI
$9.28B
$6.63M 0.02%
83,537
+13,971
+20% +$1.03M
KAI icon
396
Kadant
KAI
$3.94B
$6.59M 0.02%
23,495
+113
+0.5% +$28.3K
CCI icon
397
Crown Castle
CCI
$31.5B
$6.57M 0.02%
57,001
-5,923
-9% -$607K
BR icon
398
Broadridge
BR
$19.3B
$6.51M 0.02%
31,645
-314
-1% -$57.9K
NVO
399
Novo Nordisk
NVO
$203B
$6.51M 0.02%
62,910
+11,948
+23% +$1.18M
TRV icon
400
Travelers Companies
TRV
$77.2B
$6.5M 0.02%
34,139
+1,139
+3% +$197K
14 15
16
17 18

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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.