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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
VNQ icon
226
Vanguard Real Estate ETF
VNQ
$39.1B
$17.1M 0.06%
204,345
-7,448
-4% -$610K
RSP icon
227
Invesco S&P 500 Equal Weight ETF
RSP
$100B
$17M 0.06%
113,877
-1,625
-1% -$234K
TRMB icon
228
Trimble
TRMB
$13.4B
$16.9M 0.06%
319,407
-83,458
-21% -$4.08M
DT icon
229
Dynatrace
DT
$14.7B
$16.7M 0.06%
324,746
-19,190
-6% -$899K
PSX icon
230
Phillips 66
PSX
$92.8B
$16.3M 0.06%
171,256
+8,735
+5% +$849K
RDVY icon
231
First Trust Rising Dividend Achievers ETF
RDVY
$25.8B
$16.2M 0.06%
343,440
+23,658
+7% +$1.07M
AGCO icon
232
AGCO
AGCO
$6.96B
$16.1M 0.06%
122,739
+1,737
+1% +$215K
TSCO icon
233
Tractor Supply
TSCO
$18.8B
$16M 0.06%
362,795
+29,530
+9% +$1.35M
ROP icon
234
Roper Technologies
ROP
$39.3B
$15.9M 0.06%
33,140
+328
+1% +$149K
SHAK icon
235
Shake Shack
SHAK
$2.98B
$15.9M 0.06%
204,990
+2,558
+1% +$164K
NTRS icon
236
Northern Trust
NTRS
$34.8B
$15.9M 0.06%
214,627
-6,661
-3% -$511K
CHWY icon
237
Chewy
CHWY
$9.2B
$15.8M 0.06%
401,306
-58,298
-13% -$2.03M
VYM icon
238
Vanguard High Dividend Yield ETF
VYM
$84.2B
$15.8M 0.06%
149,314
+2,628
+2% +$276K
BOKF icon
239
BOK Financial
BOKF
$8.85B
$15.8M 0.06%
195,760
-130
-0.1% -$10.7K
SMG icon
240
ScottsMiracle-Gro
SMG
$3.59B
$15.8M 0.06%
251,995
-19,692
-7% -$1.32M
LZ icon
241
LegalZoom.com
LZ
$993M
$15.8M 0.06%
1,307,094
+78,573
+6% +$831K
DIA icon
242
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$48.3B
$15.8M 0.06%
45,835
-4,018
-8% -$1.35M
XLV icon
243
State Street Health Care Select Sector SPDR ETF
XLV
$44B
$15.7M 0.06%
118,380
+3,786
+3% +$499K
SBAC icon
244
SBA Communications
SBAC
$19.8B
$15.7M 0.06%
67,618
+1,828
+3% +$437K
BL icon
245
BlackLine
BL
$1.82B
$15.6M 0.06%
290,499
-9,167
-3% -$509K
XYZ
246
Block Inc
XYZ
$49.9B
$15.4M 0.06%
231,302
-232
-0.1% -$14.5K
EPD icon
247
Enterprise Products Partners
EPD
$82.1B
$15.4M 0.06%
583,729
+7,603
+1% +$199K
XLE icon
248
State Street Energy Select Sector SPDR ETF
XLE
$39.9B
$15.3M 0.06%
377,946
-78,206
-17% -$3.19M
XLF icon
249
State Street Financial Select Sector SPDR ETF
XLF
$59.5B
$15.2M 0.06%
451,179
+1,574
+0.4% +$51.4K
KMB icon
250
Kimberly-Clark
KMB
$36.8B
$14.9M 0.05%
108,286
+3,393
+3% +$472K
8 9
10
11 12

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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.