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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
BLK icon
126
Blackrock
BLK
$179B
$44.5M 0.16%
64,421
-2,778
-4% -$1.86M
IWF icon
127
iShares Russell 1000 Growth ETF
IWF
$128B
$44.3M 0.16%
643,292
+202,124
+46% +$12.9M
RBA icon
128
RB Global
RBA
$16B
$43.6M 0.16%
726,046
+90,267
+14% +$5.09M
ONT
129
Onterris Inc
ONT
$571M
$43.4M 0.16%
1,030,129
+27,392
+3% +$985K
HON icon
130
Honeywell
HON
$73.8B
$43.1M 0.16%
220,623
+5,921
+3% +$1.1M
BAH icon
131
Booz Allen Hamilton
BAH
$9.38B
$41.7M 0.15%
373,897
+28,987
+8% +$2.87M
NKE icon
132
Nike
NKE
$60.5B
$41.3M 0.15%
373,849
-5,133
-1% -$600K
VTI icon
133
Vanguard Morningstar Total Stock Market ETF
VTI
$692B
$41M 0.15%
186,334
+40,925
+28% +$8.54M
QCOM icon
134
Qualcomm
QCOM
$172B
$40.7M 0.15%
342,028
+1,189
+0.3% +$137K
BSV icon
135
Vanguard Short-Term Bond ETF
BSV
$45.6B
$39.4M 0.14%
521,613
+31,215
+6% +$2.38M
PYPL icon
136
PayPal
PYPL
$50B
$39.4M 0.14%
590,471
-141,092
-19% -$9.62M
WST icon
137
West Pharmaceutical
WST
$24.9B
$38.6M 0.14%
100,855
-2,075
-2% -$741K
CME icon
138
CME Group
CME
$94.6B
$38.2M 0.14%
205,985
+1,090
+0.5% +$201K
NFLX icon
139
Netflix
NFLX
$308B
$37.9M 0.14%
859,350
+55,180
+7% +$2.03M
GILD icon
140
Gilead Sciences
GILD
$170B
$37.4M 0.14%
484,910
-2,871
-0.6% -$229K
UPS icon
141
United Parcel Service
UPS
$88.5B
$36.9M 0.14%
205,656
-13,705
-6% -$2.43M
NEE icon
142
NextEra Energy
NEE
$178B
$36.8M 0.13%
495,561
-19,677
-4% -$1.49M
BAC icon
143
Bank of America
BAC
$451B
$36.7M 0.13%
1,279,230
-2,884
-0.2% -$82.3K
CSCO icon
144
Cisco
CSCO
$484B
$36.5M 0.13%
704,710
+54,155
+8% +$2.66M
EXAS
145
DELISTED
Exact Sciences
EXAS
$36.3M 0.13%
386,716
-3,720
-1% -$290K
FTNT icon
146
Fortinet
FTNT
$120B
$36.1M 0.13%
477,694
+98,684
+26% +$6.71M
ITOT icon
147
iShares Core S&P Total US Stock Market ETF
ITOT
$97.9B
$36M 0.13%
367,943
+29,959
+9% +$2.77M
EMR icon
148
Emerson Electric
EMR
$91.8B
$35.5M 0.13%
392,650
+24,858
+7% +$2.09M
DOCU
149
DocuSign
DOCU
$11.1B
$35.1M 0.13%
686,062
+194,072
+39% +$10.3M
ULTA icon
150
Ulta Beauty
ULTA
$23.1B
$34.7M 0.13%
73,781
-504
-0.7% -$247K
4 5
6
7 8

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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.