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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
VMC icon
251
Vulcan Materials
VMC
$36.3B
$14M 0.06%
80,176
-54
-0.1% -$9.23K
EPD icon
252
Enterprise Products Partners
EPD
$81.9B
$13.8M 0.06%
571,265
-34,393
-6% -$847K
OPRX icon
253
OptimizeRx
OPRX
$132M
$13.7M 0.06%
815,805
+66,148
+9% +$1.14M
AXON
254
Axon Enterprise
AXON
$48.7B
$13.6M 0.06%
79,906
+16,980
+27% +$2.68M
QNST icon
255
QuinStreet
QNST
$1.19B
$13.6M 0.06%
946,854
-13,393
-1% -$170K
RDVY icon
256
First Trust Rising Dividend Achievers ETF
RDVY
$25.7B
$13.5M 0.06%
307,600
+12,064
+4% +$527K
EFG icon
257
iShares MSCI EAFE Growth ETF
EFG
$17.4B
$13.4M 0.06%
160,361
+15,642
+11% +$1.26M
SMAR
258
DELISTED
Smartsheet Inc.
SMAR
$13.4M 0.06%
339,619
-9,723
-3% -$331K
DT icon
259
Dynatrace
DT
$14.3B
$13.3M 0.06%
347,461
-4,547
-1% -$165K
DAY
260
DELISTED
Dayforce
DAY
$13.3M 0.06%
207,119
-12,374
-6% -$778K
AGCO icon
261
AGCO
AGCO
$7.11B
$13.1M 0.06%
94,485
-240
-0.3% -$29.6K
AMN icon
262
AMN Healthcare
AMN
$1.26B
$13.1M 0.06%
127,019
+96,121
+311% +$11.1M
WFC icon
263
Wells Fargo
WFC
$269B
$13.1M 0.06%
316,247
-13,410
-4% -$594K
MO icon
264
Altria Group
MO
$107B
$13M 0.06%
285,276
+11,076
+4% +$502K
NSC icon
265
Norfolk Southern
NSC
$75.3B
$13M 0.06%
52,700
-7,143
-12% -$1.69M
TD icon
266
Toronto Dominion Bank
TD
$204B
$13M 0.06%
200,169
-100
-0% -$6.46K
TWLO icon
267
Twilio
TWLO
$37.9B
$12.8M 0.06%
261,223
-184,463
-41% -$10.5M
KMB icon
268
Kimberly-Clark
KMB
$36.2B
$12.8M 0.06%
94,089
+1,864
+2% +$237K
IRT icon
269
Independence Realty Trust
IRT
$3.96B
$12.5M 0.05%
741,231
-12,116
-2% -$205K
MRVI icon
270
Maravai LifeSciences
MRVI
$861M
$12.4M 0.05%
869,321
+81,077
+10% +$1.28M
DEO icon
271
Diageo
DEO
$52.2B
$12.4M 0.05%
69,640
-6,809
-9% -$1.19M
MKL icon
272
Markel Group
MKL
$22.8B
$12.4M 0.05%
9,399
+37
+0.4% +$45.8K
SHOP icon
273
Shopify
SHOP
$194B
$12.2M 0.05%
352,170
+33,059
+10% +$1.13M
PTLO icon
274
Portillo's
PTLO
$345M
$12.1M 0.05%
739,622
+298,976
+68% +$5.99M
GLOB icon
275
Globant
GLOB
$1.67B
$12M 0.05%
71,654
-826
-1% -$146K
9 10
11
12 13

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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.