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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
XLF icon
226
State Street Financial Select Sector SPDR ETF
XLF
$59.1B
$15.8M 0.07%
460,949
+40,650
+10% +$1.37M
CI icon
227
Cigna
CI
$73.3B
$15.7M 0.07%
47,531
-383
-0.8% -$121K
TROW icon
228
T. Rowe Price
TROW
$23.8B
$15.7M 0.07%
143,641
+4,272
+3% +$483K
MMM icon
229
3M
MMM
$94.8B
$15.5M 0.07%
154,939
-27,755
-15% -$2.83M
VYM icon
230
Vanguard High Dividend Yield ETF
VYM
$84B
$15.5M 0.07%
143,114
+33,737
+31% +$3.59M
AJG icon
231
Arthur J. Gallagher & Co
AJG
$65.5B
$15.4M 0.07%
81,807
+887
+1% +$166K
NOC icon
232
Northrop Grumman
NOC
$82B
$15.3M 0.07%
28,131
-1,189
-4% -$620K
MS icon
233
Morgan Stanley
MS
$342B
$15.3M 0.07%
179,463
-7,609
-4% -$648K
GDDY icon
234
GoDaddy
GDDY
$11.6B
$15.2M 0.07%
203,720
-409
-0.2% -$30.7K
FTNT icon
235
Fortinet
FTNT
$118B
$15.2M 0.07%
310,106
-21,658
-7% -$1.13M
PM icon
236
Philip Morris
PM
$290B
$15M 0.07%
148,655
-3,674
-2% -$347K
XLV icon
237
State Street Health Care Select Sector SPDR ETF
XLV
$44B
$14.9M 0.06%
109,692
+7,046
+7% +$934K
J icon
238
Jacobs Solutions
J
$17B
$14.9M 0.06%
149,732
-2,957
-2% -$290K
TSCO icon
239
Tractor Supply
TSCO
$19B
$14.8M 0.06%
329,555
-8,380
-2% -$356K
MU icon
240
Micron Technology
MU
$1.03T
$14.8M 0.06%
296,399
-11,649
-4% -$637K
DSGX icon
241
Descartes Systems
DSGX
$6.65B
$14.8M 0.06%
212,597
+90,477
+74% +$6.18M
EOG icon
242
EOG Resources
EOG
$75.1B
$14.8M 0.06%
114,192
+5,064
+5% +$673K
GE icon
243
GE Aerospace
GE
$379B
$14.7M 0.06%
281,407
+4,869
+2% +$239K
XYZ
244
Block Inc
XYZ
$47B
$14.6M 0.06%
232,540
-4,517
-2% -$279K
AMD icon
245
Advanced Micro Devices
AMD
$788B
$14.6M 0.06%
224,819
-12,128
-5% -$801K
AGG icon
246
iShares Core US Aggregate Bond ETF
AGG
$138B
$14.5M 0.06%
149,232
-82,220
-36% -$7.95M
LMT icon
247
Lockheed Martin
LMT
$140B
$14.3M 0.06%
29,408
+2,069
+8% +$961K
GNRC icon
248
Generac Holdings
GNRC
$13.1B
$14.3M 0.06%
142,087
-127,501
-47% -$14.4M
ROP icon
249
Roper Technologies
ROP
$39.1B
$14.2M 0.06%
32,856
+544
+2% +$224K
GPN icon
250
Global Payments
GPN
$23.4B
$14.1M 0.06%
141,533
-162,146
-53% -$16.9M
8 9
10
11 12

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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.