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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
EA
701
DELISTED
Electronic Arts
EA
$1.55M 0.01%
12,663
+1,224
+11% +$154K
WAT icon
702
Waters Corp
WAT
$40.9B
$1.55M 0.01%
4,513
+807
+22% +$255K
K
703
DELISTED
Kellanova
K
$1.53M 0.01%
22,936
+992
+5% +$67.3K
XLP icon
704
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.8B
$1.53M 0.01%
20,580
-118
-0.6% -$8.6K
RPM icon
705
RPM International
RPM
$14.4B
$1.53M 0.01%
15,664
– –
GWH icon
706
ESS Tech
GWH
$19.5M
$1.51M 0.01%
41,394
-934
-2% -$47.9K
CTLT
707
DELISTED
CATALENT, INC.
CTLT
$1.5M 0.01%
33,416
+2,814
+9% +$153K
WSM icon
708
Williams-Sonoma
WSM
$28.9B
$1.5M 0.01%
26,164
-84
-0.3% -$5.04K
NEM icon
709
Newmont
NEM
$120B
$1.5M 0.01%
31,780
-1,540
-5% -$68.8K
HLNE icon
710
Hamilton Lane
HLNE
$5.74B
$1.48M 0.01%
23,236
+16,342
+237% +$1.09M
QUAL icon
711
iShares MSCI USA Quality Factor ETF
QUAL
$48.3B
$1.47M 0.01%
12,902
+1,079
+9% +$122K
SPDW icon
712
State Street SPDR Portfolio Developed World ex-US ETF
SPDW
$42.1B
$1.45M 0.01%
48,940
-2,900
-6% -$83.2K
IVOG icon
713
Vanguard S&P Mid-Cap 400 Growth ETF
IVOG
$1.73B
$1.45M 0.01%
17,118
-944
-5% -$80.9K
FTEC icon
714
Fidelity MSCI Information Technology Index ETF
FTEC
$21.6B
$1.44M 0.01%
15,282
-1
-0% -$97
HYG icon
715
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.9B
$1.44M 0.01%
19,613
+5,436
+38% +$401K
IXUS icon
716
iShares Core MSCI Total International Stock ETF
IXUS
$60.9B
$1.44M 0.01%
24,942
-2,349
-9% -$131K
FTDR icon
717
Frontdoor
FTDR
$5.86B
$1.44M 0.01%
69,116
+5,844
+9% +$128K
LQD icon
718
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$32.8B
$1.43M 0.01%
13,583
-436
-3% -$45.6K
DFUV icon
719
Dimensional US Marketwide Value ETF
DFUV
$16B
$1.42M 0.01%
42,525
+153
+0.4% +$5.08K
MORN icon
720
Morningstar
MORN
$7.43B
$1.42M 0.01%
6,571
-82
-1% -$18.7K
XLB icon
721
State Street Materials Select Sector SPDR ETF
XLB
$8.57B
$1.42M 0.01%
36,616
+122
+0.3% +$4.68K
TWKS
722
DELISTED
Thoughtworks Holding, Inc. Common Stock
TWKS
$1.42M 0.01%
139,170
-6,823
-5% -$63.4K
PLUG icon
723
Plug Power
PLUG
$3.19B
$1.41M 0.01%
114,239
+29,006
+34% +$462K
CIGI icon
724
Colliers International
CIGI
$5.24B
$1.41M 0.01%
15,273
+2,412
+19% +$224K
AVY icon
725
Avery Dennison
AVY
$13.5B
$1.4M 0.01%
7,755
-336
-4% -$59.9K
27 28
29
30 31

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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.