We are live on ! Find out more
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
SEDG icon
851
SolarEdge
SEDG
$1.97B
$900K ﹤0.01%
3,176
-18,934
-86% -$5.02M
CEG icon
852
Constellation Energy
CEG
$98.9B
$897K ﹤0.01%
10,402
+162
+2% +$14.6K
RVTY icon
853
Revvity
RVTY
$13.1B
$896K ﹤0.01%
6,387
-405
-6% -$54.5K
BAM icon
854
Brookfield Asset Management
BAM
$89.3B
$891K ﹤0.01%
+31,090
New +$936K
FUSB icon
855
First US Bancshares
FUSB
$90.7M
$891K ﹤0.01%
102,677
OTIS icon
856
Otis Worldwide
OTIS
$27.9B
$889K ﹤0.01%
11,353
-271
-2% -$20K
COIN icon
857
Coinbase
COIN
$40.6B
$889K ﹤0.01%
25,106
+2,665
+12% +$140K
FITB
858
Fifth Third Bancorp
FITB
$52.7B
$886K ﹤0.01%
27,009
+250
+0.9% +$8.53K
FOXF icon
859
Fox Factory Holding Corp
FOXF
$891M
$883K ﹤0.01%
9,680
+767
+9% +$71.3K
IEF icon
860
iShares 7-10 Year Treasury Bond ETF
IEF
$47.3B
$882K ﹤0.01%
9,208
-1,802
-16% -$173K
CTSH icon
861
Cognizant
CTSH
$26.8B
$881K ﹤0.01%
15,407
-10,675
-41% -$626K
SUSL icon
862
iShares ESG MSCI USA Leaders ETF
SUSL
$1.22B
$881K ﹤0.01%
13,280
-554
-4% -$36.7K
CAH icon
863
Cardinal Health
CAH
$53.6B
$879K ﹤0.01%
11,430
-112
-1% -$8.51K
FLRN icon
864
State Street SPDR Bloomberg Investment Grade Floating Rate ETF
FLRN
$2.97B
$871K ﹤0.01%
28,662
-1,371
-5% -$41.5K
HQY icon
865
HealthEquity
HQY
$8.79B
$871K ﹤0.01%
14,124
-333
-2% -$22.4K
ALB icon
866
Albemarle
ALB
$15.4B
$865K ﹤0.01%
3,990
-1,300
-25% -$347K
FRC
867
DELISTED
First Republic Bank
FRC
$863K ﹤0.01%
7,080
+952
+16% +$116K
WH icon
868
Wyndham Hotels & Resorts
WH
$5.5B
$862K ﹤0.01%
12,089
-1,571
-12% -$111K
KRE icon
869
State Street SPDR S&P Regional Banking ETF
KRE
$4.66B
$862K ﹤0.01%
14,671
-1,335
-8% -$82.1K
MGTX icon
870
MeiraGTx Holdings
MGTX
$1.18B
$862K ﹤0.01%
132,133
-15,577
-11% -$107K
LNT icon
871
Alliant Energy
LNT
$18.2B
$861K ﹤0.01%
15,595
-42
-0.3% -$2.24K
CDNS icon
872
Cadence Design Systems
CDNS
$89.5B
$859K ﹤0.01%
5,347
+7
+0.1% +$1.12K
PAYC icon
873
Paycom
PAYC
$10B
$857K ﹤0.01%
2,762
-538
-16% -$174K
HALO icon
874
Halozyme
HALO
$11.4B
$854K ﹤0.01%
15,017
-1,960
-12% -$100K
GMED icon
875
Globus Medical
GMED
$11.5B
$854K ﹤0.01%
11,500
+1,906
+20% +$130K

Similar funds

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.