William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $30.3B
1-Year Est. Return 35.55%
This Fund
S&P 500
This Quarter Est. Return
1 Year Est. Return
+35.55%
3 Year Est. Return
5 Year Est. Return
10 Year Est. Return
AUM
$30.3B
AUM Growth
-$5.59B
Cap. Flow
Cap. Flow %
Top 10 Hldgs %
Holding
459
New
Increased
Reduced
Closed

Top Buys

1 +$307M
2 +$162M
3 +$152M
4
APH icon
Amphenol
APH
+$152M
5
SYNA icon
Synaptics
SYNA
+$129M

Top Sells

1 +$309M
2 +$302M
3 +$269M
4
MSFT icon
Microsoft
MSFT
+$248M
5
CIEN icon
Ciena
CIEN
+$214M

Sector Composition

1 Technology 36.13%
2 Healthcare 12.59%
3 Industrials 11.81%
4 Financials 11.55%
5 Consumer Discretionary 10.11%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
BWA icon
51
BorgWarner
BWA
$14.7B
$156M 0.52%
+2,884,062
CIEN icon
52
Ciena
CIEN
$82B
$155M 0.51%
398,579
-700,014
BWIN
53
Baldwin Insurance Group
BWIN
$1.89B
$149M 0.49%
6,794,492
-749,321
INSM icon
54
Insmed
INSM
$23.2B
$148M 0.49%
902,666
-318,430
NVT icon
55
nVent Electric
NVT
$27B
$146M 0.48%
1,233,874
-141,285
CPRT icon
56
Copart
CPRT
$31.6B
$146M 0.48%
4,394,187
-191,646
HQY icon
57
HealthEquity
HQY
$7.38B
$139M 0.46%
1,659,616
-195,592
CRS icon
58
Carpenter Technology
CRS
$23.3B
$138M 0.46%
350,896
-66,663
DCI icon
59
Donaldson
DCI
$9.48B
$137M 0.45%
1,615,349
-92,523
APH icon
60
Amphenol
APH
$183B
$136M 0.45%
+1,077,434
LECO icon
61
Lincoln Electric
LECO
$14.2B
$133M 0.44%
534,851
-74,961
STRL icon
62
Sterling Infrastructure
STRL
$26.4B
$132M 0.44%
323,421
+282,167
MELI icon
63
Mercado Libre
MELI
$86B
$129M 0.43%
74,849
-90,730
TECH icon
64
Bio-Techne
TECH
$8.09B
$129M 0.43%
2,462,487
+64,222
CLH icon
65
Clean Harbors
CLH
$14.9B
$127M 0.42%
443,098
+103,747
CMG icon
66
Chipotle Mexican Grill
CMG
$40.9B
$125M 0.41%
3,910,673
+597,632
RS icon
67
Reliance Steel & Aluminium
RS
$19.4B
$123M 0.41%
403,487
+123,152
POWI icon
68
Power Integrations
POWI
$4.68B
$122M 0.4%
+2,380,677
EXP icon
69
Eagle Materials
EXP
$6.85B
$119M 0.39%
630,392
+71,648
DT icon
70
Dynatrace
DT
$12.4B
$119M 0.39%
3,229,051
+13,198
BSY icon
71
Bentley Systems
BSY
$9.92B
$117M 0.39%
3,322,723
+707,550
GKOS icon
72
Glaukos
GKOS
$6.07B
$116M 0.38%
1,073,819
-33,099
FHN icon
73
First Horizon
FHN
$11.5B
$115M 0.38%
5,058,092
-277,929
SN icon
74
SharkNinja
SN
$17.2B
$114M 0.38%
1,073,384
-162,937
VEEV icon
75
Veeva Systems
VEEV
$28.5B
$113M 0.37%
643,325
-237,898