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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
+8.67%
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
$23B
AUM Growth
+$1.22B
Cap. Flow
-$156M
Cap. Flow %
-0.68%
Top 10 Hldgs %
22.7%
Holding
1,905
New
81
Increased
568
Reduced
855
Closed
91

Top Buys

Rank Stock Value
1
POOL icon
Pool Corp
POOL
+$43.2M
2
TEAM icon
Atlassian
TEAM
+$36.6M
3
NOVT icon
Novanta
NOVT
+$28.8M
4
PANW icon
Palo Alto Networks
PANW
+$23.2M
5
MSI icon
Motorola Solutions
MSI
+$20.1M

Top Sells

Rank Stock Value
1
ABMD
Abiomed Inc
ABMD
+$103M
2
PYPL icon
PayPal
PYPL
+$28.4M
3
DIS icon
Walt Disney
DIS
+$26.7M
4
KMX icon
CarMax
KMX
+$25.2M
5
CRM icon
Salesforce
CRM
+$24.3M

Sector Composition

Rank Sector Weight
1 Technology 22.31%
2 Healthcare 19.82%
3 Financials 12.49%
4 Industrials 11.58%
5 Consumer Discretionary 8.46%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
KHC icon
176
Kraft Heinz
KHC
$29.1B
$22.7M 0.1%
557,538
+39,094
+8% +$1.48M
APD icon
177
Air Products & Chemicals
APD
$67.7B
$22.7M 0.1%
73,610
-396
-0.5% -$112K
DVY icon
178
iShares Select Dividend ETF
DVY
$23.7B
$22.7M 0.1%
188,141
+22,995
+14% +$2.72M
GS icon
179
Goldman Sachs
GS
$302B
$22.6M 0.1%
65,686
+91
+0.1% +$31.7K
NFLX icon
180
Netflix
NFLX
$309B
$22.5M 0.1%
761,780
-64,960
-8% -$1.82M
AZN icon
181
AstraZeneca
AZN
$246B
$22.2M 0.1%
163,886
-2,991
-2% -$375K
KRNT icon
182
Kornit Digital
KRNT
$817M
$22M 0.1%
956,038
+1,655
+0.2% +$41.4K
IWB icon
183
iShares Russell 1000 ETF
IWB
$50.2B
$21.4M 0.09%
101,888
+3,372
+3% +$714K
MRVL icon
184
Marvell Technology
MRVL
$195B
$21.2M 0.09%
573,334
-63,542
-10% -$2.59M
SJM icon
185
J.M. Smucker
SJM
$12.7B
$21M 0.09%
132,801
-5,780
-4% -$861K
VZ icon
186
Verizon
VZ
$195B
$21M 0.09%
533,744
-118,851
-18% -$4.48M
IUSG icon
187
iShares Core S&P US Growth ETF
IUSG
$33.7B
$20.9M 0.09%
256,733
+135,558
+112% +$11.3M
THS
188
DELISTED
Treehouse Foods
THS
$20.9M 0.09%
422,438
-8,319
-2% -$396K
IEFA icon
189
iShares Core MSCI EAFE ETF
IEFA
$196B
$20.7M 0.09%
335,605
+75,631
+29% +$4.45M
XLE icon
190
State Street Energy Select Sector SPDR ETF
XLE
$39.9B
$20.7M 0.09%
472,936
+24,530
+5% +$1.07M
BL icon
191
BlackLine
BL
$1.65B
$20.7M 0.09%
307,313
-7,832
-2% -$486K
VWO icon
192
Vanguard FTSE Emerging Markets ETF
VWO
$126B
$20.6M 0.09%
528,075
+31,310
+6% +$1.19M
EXAS
193
DELISTED
Exact Sciences
EXAS
$20.4M 0.09%
412,458
-2,119
-0.5% -$86.6K
BOKF icon
194
BOK Financial
BOKF
$8.8B
$20.3M 0.09%
195,890
– –
NTRS icon
195
Northern Trust
NTRS
$35B
$20.2M 0.09%
228,569
-11,609
-5% -$1.02M
ATVI
196
DELISTED
Activision Blizzard
ATVI
$20M 0.09%
261,063
-3,007
-1% -$223K
VOE icon
197
Vanguard Morningstar Mid-Cap Value ETF
VOE
$24.4B
$19.8M 0.09%
146,120
+18,920
+15% +$2.54M
BILL icon
198
BILL Holdings
BILL
$4.85B
$19.3M 0.08%
177,391
+20,465
+13% +$2.46M
EQIX icon
199
Equinix
EQIX
$105B
$19.2M 0.08%
29,345
+7,755
+36% +$4.79M
VNQ icon
200
Vanguard Real Estate ETF
VNQ
$38.6B
$19.1M 0.08%
231,856
-17,636
-7% -$1.46M
6 7
8
9 10

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William Blair & Company's Q4 2022 Portfolio in Review

As of Q4 2022, William Blair & Company held 1,905 positions worth $23B, up 5.6% from $21.8B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q4 2022 filing shows 81 new, 568 increased, 855 reduced and 91 closed positions. Its largest new stake was Atlassian: 230,078 shares worth $29.6M. The largest sale was Abiomed Inc, an estimated $103M.

By sector, the portfolio is most concentrated in Technology at 22% of assets, down from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2022 buy was Atlassian: 230,078 shares worth $29.6M.
  • William Blair & Company added most to Pool Corp in Q4 2022, an estimated $43.2M increase.
  • William Blair & Company's biggest Q4 2022 reduction was PayPal, cutting an estimated $28.4M.
  • William Blair & Company fully exited Abiomed Inc in Q4 2022, selling an estimated $103M.
  • William Blair & Company's ten largest holdings make up 23% of its $23B portfolio in Q4 2022.
  • William Blair & Company opened 81 new positions and closed 91 in Q4 2022.
  • William Blair & Company's portfolio value rose 5.6% quarter-over-quarter to $23B.

Based on William Blair & Company's 13F filing for Q4 2022, filed 10 Feb 2023.