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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
FDX icon
251
FedEx
FDX
$80.3B
$14.9M 0.05%
60,025
-1,721
-3% -$394K
EFG icon
252
iShares MSCI EAFE Growth ETF
EFG
$17.4B
$14.7M 0.05%
154,184
+4,936
+3% +$470K
PM icon
253
Philip Morris
PM
$294B
$14.6M 0.05%
149,276
+44
+0% +$4.2K
KHC icon
254
Kraft Heinz
KHC
$30.1B
$14.6M 0.05%
410,165
-142,529
-26% -$5.48M
MS icon
255
Morgan Stanley
MS
$343B
$14.5M 0.05%
169,957
-6,639
-4% -$568K
IAU icon
256
iShares Gold Trust
IAU
$64.5B
$14.3M 0.05%
393,654
+155,192
+65% +$5.82M
VGT icon
257
Vanguard Information Technology ETF
VGT
$151B
$14.2M 0.05%
257,816
+35,112
+16% +$1.76M
INTC icon
258
Intel
INTC
$527B
$14.2M 0.05%
423,556
-25,365
-6% -$796K
BJ icon
259
BJs Wholesale Club
BJ
$11.9B
$14.1M 0.05%
223,755
+29,309
+15% +$2.03M
CODI icon
260
Compass Diversified
CODI
$924M
$14M 0.05%
644,814
+48,209
+8% +$958K
SGEN
261
DELISTED
Seagen Inc. Common Stock
SGEN
$14M 0.05%
72,530
-13,040
-15% -$2.59M
GDDY icon
262
GoDaddy
GDDY
$12.7B
$13.9M 0.05%
185,567
-18,568
-9% -$1.37M
SNPS icon
263
Synopsys
SNPS
$78.8B
$13.9M 0.05%
31,980
+1,348
+4% +$543K
EXEL icon
264
Exelixis
EXEL
$12.5B
$13.9M 0.05%
728,069
-16,172
-2% -$312K
TENB icon
265
Tenable Holdings
TENB
$4.41B
$13.9M 0.05%
318,486
-114,574
-26% -$4.68M
EFX icon
266
Equifax
EFX
$21.8B
$13.8M 0.05%
58,596
+2,998
+5% +$631K
AXON
267
Axon Enterprise
AXON
$50B
$13.7M 0.05%
70,388
-3,100
-4% -$642K
IEMG icon
268
iShares Core MSCI Emerging Markets ETF
IEMG
$159B
$13.7M 0.05%
277,603
-7,157
-3% -$350K
BDX icon
269
Becton Dickinson
BDX
$49.6B
$13.7M 0.05%
51,735
+1,806
+4% +$459K
SEE
270
DELISTED
Sealed Air
SEE
$13.3M 0.05%
333,124
-10,059
-3% -$428K
MKL icon
271
Markel Group
MKL
$22.8B
$13.3M 0.05%
9,613
+235
+3% +$315K
AMAT icon
272
Applied Materials
AMAT
$424B
$13.3M 0.05%
91,836
+5,521
+6% +$691K
SMAR
273
DELISTED
Smartsheet Inc.
SMAR
$13.3M 0.05%
346,867
-11,945
-3% -$517K
IRT icon
274
Independence Realty Trust
IRT
$4.01B
$13.2M 0.05%
723,358
-8,053
-1% -$138K
PAVE icon
275
Global X US Infrastructure Development ETF
PAVE
$14.3B
$13.2M 0.05%
418,399
+46
+0% +$1.31K
9 10
11
12 13

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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.