We are live on ! Find out more
William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.95%
This Fund
S&P 500
This Quarter Est. Return
1 Year Est. Return
+18.95%
3 Year Est. Return
5 Year Est. Return
10 Year Est. Return
AUM
$28.5B
AUM Growth
-$3.35B
Cap. Flow
Cap. Flow %
Top 10 Hldgs %
Holding
2,061
New
Increased
Reduced
Closed

Top Buys

1
+$71.5M
2
+$64.1M
3
+$60.2M
4
SWCH
Switch, Inc. Class A Common Stock
SWCH
+$42.2M
5
FISV
Fiserv Inc
FISV
+$38.2M

Top Sells

1
+$77.7M
2
+$61.4M
3
+$58.4M
4
OKTA icon
Okta
OKTA
+$53.3M
5
META icon
Meta Platforms (Facebook)
META
+$39.8M

Sector Composition

1 Technology 25.22%
2 Healthcare 19.05%
3 Financials 11.51%
4 Industrials 10.68%
5 Consumer Discretionary 10.04%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
2026
– –
-136
2027
– –
-463,083
2028
– –
-24,460
2029
– –
-10,352
2030
– –
-63,090
2031
– –
-2,854
2032
– –
-118
2033
– –
-13,139
78 79 80 81
82