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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
MTCH icon
1101
Match Group
MTCH
$8.56B
$409K ﹤0.01%
9,849
-74,139
-88% -$3.35M
BMRC icon
1102
Bank of Marin Bancorp
BMRC
$462M
$408K ﹤0.01%
12,411
– –
SCHP icon
1103
Schwab US TIPS ETF
SCHP
$16.2B
$408K ﹤0.01%
15,758
-15,342
-49% -$401K
M icon
1104
Macy's
M
$6.27B
$408K ﹤0.01%
19,742
+7
+0% +$143
SPH icon
1105
Suburban Propane Partners
SPH
$1.17B
$407K ﹤0.01%
26,815
– –
CPAY icon
1106
Corpay
CPAY
$27.9B
$404K ﹤0.01%
2,199
-1,145
-34% -$210K
PTON icon
1107
Peloton Interactive
PTON
$2.44B
$404K ﹤0.01%
50,824
+887
+2% +$8.51K
BNS icon
1108
Scotiabank
BNS
$111B
$400K ﹤0.01%
8,169
+46
+0.6% +$2.27K
MTUM icon
1109
iShares MSCI USA Momentum Factor ETF
MTUM
$26.1B
$400K ﹤0.01%
2,739
+1,335
+95% +$194K
EFAV icon
1110
iShares MSCI EAFE Min Vol Factor ETF
EFAV
$5.46B
$400K ﹤0.01%
6,286
-12
-0.2% -$733
CMS icon
1111
CMS Energy
CMS
$22.1B
$396K ﹤0.01%
6,250
-957
-13% -$56.6K
AES icon
1112
AES
AES
$10.5B
$395K ﹤0.01%
13,739
-194
-1% -$5.23K
CG icon
1113
Carlyle Group
CG
$18.3B
$395K ﹤0.01%
+13,236
New +$378K
CINF icon
1114
Cincinnati Financial
CINF
$26.5B
$394K ﹤0.01%
3,848
-112
-3% -$11.5K
CTRA
1115
DELISTED
Coterra Energy
CTRA
$394K ﹤0.01%
16,033
-147
-0.9% -$4.05K
DKS icon
1116
Dick's Sporting Goods
DKS
$18.1B
$393K ﹤0.01%
3,269
+1
+0% +$113
AWR icon
1117
American States Water
AWR
$3.52B
$391K ﹤0.01%
+4,230
New +$385K
LAMR icon
1118
Lamar Advertising Co
LAMR
$15.8B
$390K ﹤0.01%
4,131
+24
+0.6% +$2.22K
QYLD icon
1119
Global X NASDAQ-100 Covered Call ETF
QYLD
$8.29B
$387K ﹤0.01%
24,330
-4,894
-17% -$79.1K
CASY icon
1120
Casey's General Stores
CASY
$31.6B
$387K ﹤0.01%
1,723
-118
-6% -$26.9K
IYJ icon
1121
iShares US Industrials ETF
IYJ
$1.96B
$385K ﹤0.01%
3,993
+177
+5% +$16.7K
LECO icon
1122
Lincoln Electric
LECO
$15.5B
$383K ﹤0.01%
2,653
+695
+35% +$97.5K
FWONK icon
1123
Liberty Media Series C
FWONK
$26B
$383K ﹤0.01%
6,623
+3
+0% +$172
GBDC icon
1124
Golub Capital BDC
GBDC
$3.48B
$383K ﹤0.01%
29,076
-23,300
-44% -$307K
VICR icon
1125
Vicor
VICR
$10.4B
$381K ﹤0.01%
7,080
-400
-5% -$21K
43 44
45
46 47

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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.