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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
WPC icon
401
W.P. Carey
WPC
$16.1B
$5.72M 0.02%
74,700
-5,121
-6% -$385K
WMG icon
402
Warner Music
WMG
$13B
$5.7M 0.02%
162,755
-3,502
-2% -$102K
CHD icon
403
Church & Dwight Co
CHD
$24B
$5.68M 0.02%
70,432
-6,330
-8% -$486K
AZO icon
404
AutoZone
AZO
$49.7B
$5.58M 0.02%
2,263
+2,041
+919% +$4.93M
CTVA icon
405
Corteva
CTVA
$50.4B
$5.53M 0.02%
94,114
-2,660
-3% -$168K
AKAM icon
406
Akamai
AKAM
$17.6B
$5.5M 0.02%
65,215
-19,455
-23% -$1.69M
ETR icon
407
Entergy
ETR
$50.3B
$5.46M 0.02%
97,080
+13,666
+16% +$749K
AIRG icon
408
Airgain
AIRG
$69.3M
$5.46M 0.02%
837,997
+41,226
+5% +$297K
VGK icon
409
Vanguard FTSE Europe ETF
VGK
$31B
$5.43M 0.02%
98,008
+63,374
+183% +$3.34M
ABB
410
DELISTED
ABB Ltd
ABB
$5.43M 0.02%
178,301
+31,770
+22% +$925K
NUE icon
411
Nucor
NUE
$61.7B
$5.41M 0.02%
41,054
+16,799
+69% +$2.28M
ODFL icon
412
Old Dominion Freight Line
ODFL
$44.1B
$5.41M 0.02%
38,124
-84
-0.2% -$11.9K
BR icon
413
Broadridge
BR
$19.3B
$5.4M 0.02%
40,227
-7,675
-16% -$1.09M
NOBL icon
414
ProShares S&P 500 Dividend Aristocrats ETF
NOBL
$11.9B
$5.35M 0.02%
118,990
-1,978
-2% -$87.9K
PRAA icon
415
PRA Group
PRAA
$737M
$5.33M 0.02%
157,739
-6,233
-4% -$205K
NEO icon
416
NeoGenomics
NEO
$2.11B
$5.32M 0.02%
575,471
+23,002
+4% +$214K
ITA icon
417
iShares US Aerospace & Defense ETF
ITA
$15B
$5.31M 0.02%
47,447
+2,147
+5% +$229K
HUBB icon
418
Hubbell
HUBB
$27.1B
$5.3M 0.02%
22,564
-446
-2% -$107K
GOGO icon
419
Gogo Inc
GOGO
$383M
$5.26M 0.02%
356,531
-9,425
-3% -$136K
ARCC icon
420
Ares Capital
ARCC
$14.3B
$5.23M 0.02%
283,133
+882
+0.3% +$16.6K
MGK icon
421
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.7B
$5.23M 0.02%
151,895
+29,850
+24% +$1.07M
LHX icon
422
L3Harris
LHX
$54.1B
$5.22M 0.02%
25,075
-124
-0.5% -$28K
IBB icon
423
iShares Biotechnology ETF
IBB
$9.86B
$5.15M 0.02%
39,210
+18,824
+92% +$2.43M
GXO icon
424
GXO Logistics
GXO
$5.52B
$5.1M 0.02%
119,378
-151
-0.1% -$6.06K
VRTX icon
425
Vertex Pharmaceuticals
VRTX
$133B
$5.1M 0.02%
17,644
-169
-0.9% -$51.5K

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.