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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
MGM icon
751
MGM Resorts International
MGM
$11.1B
$1.28M 0.01%
38,048
-3,341
-8% -$116K
HPQ icon
752
HP
HPQ
$27.7B
$1.27M 0.01%
47,359
+1,118
+2% +$30.9K
DTE icon
753
DTE Energy
DTE
$29B
$1.26M 0.01%
10,708
-126
-1% -$14.3K
SLCA
754
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
$1.25M 0.01%
99,915
-797
-0.8% -$10.2K
PFGC icon
755
Performance Food Group
PFGC
$16.6B
$1.25M 0.01%
21,354
+138
+0.7% +$7.52K
GSK icon
756
GSK
GSK
$101B
$1.25M 0.01%
35,479
-2,313
-6% -$77K
NDAQ icon
757
Nasdaq
NDAQ
$53.8B
$1.24M 0.01%
20,259
+3,489
+21% +$217K
WMB icon
758
Williams Companies
WMB
$90B
$1.24M 0.01%
37,767
+3,676
+11% +$120K
SWK icon
759
Stanley Black & Decker
SWK
$15.4B
$1.24M 0.01%
16,539
-1,353
-8% -$106K
AIRC
760
DELISTED
Apartment Income REIT Corp.
AIRC
$1.24M 0.01%
36,082
-5
-0% -$183
SCHA icon
761
Schwab U.S Small- Cap ETF
SCHA
$23.5B
$1.24M 0.01%
61,068
+5,476
+10% +$112K
RIG icon
762
Transocean
RIG
$6.38B
$1.23M 0.01%
269,986
+74,160
+38% +$286K
HAS icon
763
Hasbro
HAS
$13.6B
$1.23M 0.01%
20,149
-1,142
-5% -$71.3K
CIEN icon
764
Ciena
CIEN
$64.3B
$1.22M 0.01%
24,025
-5
-0% -$226
DTD icon
765
WisdomTree US Total Dividend Fund
DTD
$1.7B
$1.22M 0.01%
20,146
– –
MOS icon
766
The Mosaic Company
MOS
$6.81B
$1.22M 0.01%
27,778
-50
-0.2% -$2.48K
AVAV icon
767
AeroVironment
AVAV
$9.54B
$1.21M 0.01%
14,141
+1,950
+16% +$167K
FLIC
768
DELISTED
First of Long Island Corp
FLIC
$1.21M 0.01%
67,076
– –
JMST icon
769
JPMorgan Ultra-Short Municipal Income ETF
JMST
$7.15B
$1.2M 0.01%
23,800
-112,037
-82% -$5.65M
EEFT icon
770
Euronet Worldwide
EEFT
$2.71B
$1.2M 0.01%
12,672
+338
+3% +$29.3K
FVD icon
771
First Trust Value Line Dividend Fund
FVD
$8.38B
$1.19M 0.01%
29,920
+2,055
+7% +$80.3K
STIM icon
772
Neuronetics
STIM
$235M
$1.19M 0.01%
173,496
-551
-0.3% -$2.6K
HYMB icon
773
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.37B
$1.18M 0.01%
48,270
+13,650
+39% +$332K
EWC icon
774
iShares MSCI Canada ETF
EWC
$6.52B
$1.18M 0.01%
35,929
-1,645
-4% -$54.5K
CIVB icon
775
Civista Bancshares
CIVB
$597M
$1.17M 0.01%
53,300
– –
29 30
31
32 33

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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.