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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
EPAM icon
576
EPAM Systems
EPAM
$5.24B
$2.88M 0.01%
12,814
-6,129
-32% -$1.54M
URI icon
577
United Rentals
URI
$69.7B
$2.87M 0.01%
6,442
+667
+12% +$247K
RGLD icon
578
Royal Gold
RGLD
$19.1B
$2.87M 0.01%
24,989
-881
-3% -$113K
COR icon
579
Cencora
COR
$59.2B
$2.87M 0.01%
14,897
-347
-2% -$60K
CERT icon
580
Certara
CERT
$1.24B
$2.85M 0.01%
156,499
-3,264
-2% -$68.9K
LPLA icon
581
LPL Financial
LPLA
$29.5B
$2.83M 0.01%
+13,011
New +$2.61M
XES icon
582
State Street SPDR S&P Oil & Gas Equipment & Services ETF
XES
$389M
$2.81M 0.01%
35,980
+48
+0.1% +$3.53K
OKE icon
583
Oneok
OKE
$58.4B
$2.8M 0.01%
45,378
-4,174
-8% -$258K
JEPI icon
584
JPMorgan Equity Premium Income ETF
JEPI
$46.2B
$2.8M 0.01%
50,590
+19,934
+65% +$1.09M
COWZ icon
585
Pacer US Cash Cows 100 ETF
COWZ
$19.8B
$2.79M 0.01%
58,214
-1,163
-2% -$54K
DIVO icon
586
Amplify CWP Enhanced Dividend Income ETF
DIVO
$7.85B
$2.78M 0.01%
77,360
+2,491
+3% +$88.5K
KR icon
587
Kroger
KR
$35.1B
$2.77M 0.01%
58,983
+29,419
+100% +$1.4M
SAIC icon
588
Saic
SAIC
$5.35B
$2.76M 0.01%
24,518
-9,882
-29% -$1.03M
QLYS icon
589
Qualys
QLYS
$6.78B
$2.75M 0.01%
+21,274
New +$2.62M
MOAT icon
590
VanEck Morningstar Wide Moat ETF
MOAT
$12.5B
$2.75M 0.01%
34,436
+3,656
+12% +$275K
SPSB icon
591
State Street SPDR Portfolio Short Term Corporate Bond ETF
SPSB
$10.8B
$2.72M 0.01%
92,423
-35,354
-28% -$1.04M
XLY icon
592
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23.5B
$2.71M 0.01%
31,936
+1,168
+4% +$89.4K
AGL icon
593
Agilon Health
AGL
$1.49B
$2.71M 0.01%
6,240
+661
+12% +$371K
RKLB icon
594
Rocket Lab Corp
RKLB
$51.2B
$2.69M 0.01%
448,951
+4,707
+1% +$21.6K
SRE icon
595
Sempra
SRE
$56.5B
$2.69M 0.01%
36,910
-776
-2% -$58.3K
LAZR
596
DELISTED
Luminar Technologies
LAZR
$2.69M 0.01%
26,021
-5,334
-17% -$504K
MUB icon
597
iShares National Muni Bond ETF
MUB
$45.9B
$2.68M 0.01%
25,132
-4,891
-16% -$523K
D icon
598
Dominion Energy
D
$60.3B
$2.68M 0.01%
51,664
-8,421
-14% -$458K
HLNE icon
599
Hamilton Lane
HLNE
$5.91B
$2.67M 0.01%
33,367
+6,828
+26% +$490K
COIN icon
600
Coinbase
COIN
$40.6B
$2.67M 0.01%
37,296
+4,468
+14% +$267K
22 23
24
25 26

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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.