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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
+9.7%
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
$27.3B
AUM Growth
+$2.26B
Cap. Flow
+$202M
Cap. Flow %
0.74%
Top 10 Hldgs %
24.36%
Holding
1,897
New
97
Increased
682
Reduced
737
Closed
88

Top Buys

Rank Stock Value
1
COST icon
Costco
COST
+$28.3M
2
ALL icon
Allstate
ALL
+$25.8M
3
ISRG icon
Intuitive Surgical
ISRG
+$19.6M
4
NEOG icon
Neogen
NEOG
+$17.4M
5
DV icon
DoubleVerify
DV
+$17.3M

Top Sells

Rank Stock Value
1
NBIX icon
Neurocrine Biosciences
NBIX
+$29.1M
2
PLNT icon
Planet Fitness
PLNT
+$20.4M
3
ABNB icon
Airbnb
ABNB
+$17.1M
4
IBM icon
IBM
IBM
+$14.8M
5
XMTR icon
Xometry
XMTR
+$10.8M

Sector Composition

Rank Sector Weight
1 Technology 25.59%
2 Healthcare 18.44%
3 Industrials 11.64%
4 Financials 11.51%
5 Consumer Discretionary 8.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
III icon
501
Information Services Group
III
$250M
$3.87M 0.01%
721,147
+8,119
+1% +$42.1K
NTNX icon
502
Nutanix
NTNX
$18.4B
$3.79M 0.01%
135,070
-2,700
-2% -$71.7K
UNF icon
503
Unifirst Corp
UNF
$5.21B
$3.78M 0.01%
24,397
-135
-0.6% -$22.7K
MAR icon
504
Marriott International
MAR
$91.9B
$3.77M 0.01%
20,521
-554
-3% -$96.1K
WEC icon
505
WEC Energy
WEC
$35.9B
$3.75M 0.01%
42,552
+3,665
+9% +$339K
WPC icon
506
W.P. Carey
WPC
$16.3B
$3.75M 0.01%
56,682
-17,748
-24% -$1.23M
PLD icon
507
Prologis
PLD
$134B
$3.72M 0.01%
30,315
+1,997
+7% +$246K
PWR icon
508
Quanta Services
PWR
$101B
$3.69M 0.01%
18,774
+3,456
+23% +$603K
IBN icon
509
ICICI Bank
IBN
$106B
$3.64M 0.01%
157,605
+1,291
+0.8% +$29.2K
COLD icon
510
Americold
COLD
$4.32B
$3.62M 0.01%
112,132
-2,055
-2% -$61.2K
HHS icon
511
Harte-Hanks
HHS
$20.8M
$3.62M 0.01%
660,845
+6
+0% +$41
STE icon
512
Steris
STE
$23B
$3.59M 0.01%
15,963
+2,432
+18% +$487K
DOCN icon
513
DigitalOcean
DOCN
$15.6B
$3.58M 0.01%
89,106
+10,698
+14% +$394K
TDY icon
514
Teledyne Technologies
TDY
$31.2B
$3.56M 0.01%
8,648
+197
+2% +$81.2K
RPAY icon
515
Repay Holdings
RPAY
$317M
$3.55M 0.01%
453,672
-2,128
-0.5% -$14.3K
MRCC
516
DELISTED
Monroe Capital Corp
MRCC
$3.51M 0.01%
428,654
-6,554
-2% -$50.4K
NVO
517
Novo Nordisk
NVO
$205B
$3.5M 0.01%
43,288
+4,732
+12% +$387K
VDC icon
518
Vanguard Consumer Staples ETF
VDC
$8.03B
$3.49M 0.01%
17,974
+50
+0.3% +$9.77K
FNF icon
519
Fidelity National Financial
FNF
$13.1B
$3.49M 0.01%
96,877
-6,359
-6% -$222K
AEP icon
520
American Electric Power
AEP
$68.3B
$3.48M 0.01%
41,320
+77
+0.2% +$6.8K
TPL icon
521
Texas Pacific Land
TPL
$23.9B
$3.47M 0.01%
23,742
-4,392
-16% -$704K
PAPR icon
522
Innovator US Equity Power Buffer ETF April
PAPR
$962M
$3.47M 0.01%
+112,249
New +$3.36M
FLOT icon
523
iShares Floating Rate Bond ETF
FLOT
$10.5B
$3.44M 0.01%
67,650
-106
-0.2% -$5.36K
RPD icon
524
Rapid7
RPD
$929M
$3.43M 0.01%
75,724
-120
-0.2% -$5.56K
ZBH icon
525
Zimmer Biomet
ZBH
$19B
$3.43M 0.01%
23,548
-2,835
-11% -$385K
19 20
21
22 23

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William Blair & Company's Q2 2023 Portfolio in Review

As of Q2 2023, William Blair & Company held 1,897 positions worth $27.3B, up 9% from $25B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q2 2023 filing shows 97 new, 682 increased, 737 reduced and 88 closed positions. Its largest new stake was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M. The largest sale was Neurocrine Biosciences, an estimated $29.1M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 25% a quarter earlier, followed by Healthcare and Industrials.

  • William Blair & Company's largest Q2 2023 buy was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M.
  • William Blair & Company added most to Costco in Q2 2023, an estimated $28.3M increase.
  • William Blair & Company's biggest Q2 2023 reduction was Neurocrine Biosciences, cutting an estimated $29.1M.
  • William Blair & Company fully exited ABB Ltd in Q2 2023, selling an estimated $7.21M.
  • William Blair & Company's ten largest holdings make up 24% of its $27.3B portfolio in Q2 2023.
  • William Blair & Company opened 97 new positions and closed 88 in Q2 2023.
  • William Blair & Company's portfolio value rose 9% quarter-over-quarter to $27.3B.

Based on William Blair & Company's 13F filing for Q2 2023, filed 11 Aug 2023.