William Blair Investment Management, LLC

Filing Details

13F-HR • 2025-03-31

SEC FilingSEC DataHachi Filing

Report Date: 2025-03-31
Filing Date: 2025-05-09
Total Holdings: 423
Total Value: 35621637487
Accession Number: 0001644956-25-000018
Form Type: 13F-HR
CIK: 0001644956
Manager Name: William Blair Investment Management, LLC

Data Enrichment

97% identified

410 identified13 unidentified

Holdings

SEC FilingSEC DataHachi Filing

Manager:

423 positions • $35,621,637.487K total value

423 positions

Manager:

SEC FilingSEC DataHachi Filing

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OLD NATIONAL BANCORP /IN/

ONB|680033107

5892673(+7.3%)

Value:

$124.9B(+4.7%)

AZEK Co Inc.

AZEK|05478C105

2518105(-26.1%)

Value:

$123.1B(-23.9%)

CIENA CORP

CIEN|171779309

2005631

Value:

$121.2B

AMICUS THERAPEUTICS, INC.

FOLD|03152W109

14778651(-5.3%)

Value:

$120.6B(-17.9%)

New Fortress Energy Inc.

NFE|644393100

14508626(-6.8%)

Value:

$120.6B(-48.8%)

NOVANTA INC

NOVT|67000B104

928888(-4.8%)

Value:

$118.8B(-20.3%)

EPAM Systems, Inc.

EPAM|29414B104

696511(-2.4%)

Value:

$117.6B(-29.5%)

NEOGEN CORP

NEOG|640491106

13558932(-5.5%)

Value:

$117.6B(-32.5%)

ICICI BANK LTD

IBN|45104G104

3717585(+3.6%)

Value:

$117.2B(+9.3%)

MADRIGAL PHARMACEUTICALS, INC.

MDGL|558868105

353155(-5.0%)

Value:

$117.0B(+2.0%)

Inspire Medical Systems, Inc.

INSP|457730109

692918(-23.2%)

Value:

$110.4B(-34.0%)

ADVANCED DRAINAGE SYSTEMS, INC.

WMS|00790R104

1013255(-2.6%)

Value:

$110.1B(-8.4%)

NICE Ltd.

NICE|653656108

710666(-25.9%)

Value:

$109.6B(-32.7%)

Guidewire Software, Inc.

GWRE|40171V100

577914(-7.9%)

Value:

$108.3B(+2.4%)

Atlassian Corp

TEAM|049468101

505536

Value:

$107.3B

Itau Unibanco Holding S.A.

ITUB|465562106

19276152(+36.7%)

Value:

$106.0B(+51.6%)

Churchill Downs Inc

CHDN|171484108

949715(-8.1%)

Value:

$105.5B(-23.5%)

Freshpet, Inc.

FRPT|358039105

1266200(+42.8%)

Value:

$105.3B(-19.8%)

GeneDx Holdings Corp.

WGS|81663L200

1188988(+77.5%)

Value:

$105.3B(+104.5%)

Pure Storage, Inc.

PSTG|74624M102

2314536(-8.3%)

Value:

$102.5B(-33.9%)

Instrument	Shares		Other Manager	Value
Old National Bancorp /In/(ONBcusip680033107)	5.9M	QoQ +7.26% (+399.2K) YoY +182.62% (+3.8M)	All Managers (Combined)	$124.9M	QoQ +4.72% (+$5.6M) YoY +243.99% (+$88.6M)
Azek Co Inc.(AZEKcusip05478C105)	2.5M	QoQ -26.09% (-889.2K) YoY NEW(+2.5M)	All Managers (Combined)	$123.1M	QoQ -23.88% (-$38.6M) YoY NEW(+$123.1M)
Ciena Corp(CIENcusip171779309)	2.0M	QoQ NEW(+2.0M) YoY NEW(+2.0M)	All Managers (Combined)	$121.2M	QoQ NEW(+$121.2M) YoY NEW(+$121.2M)
Amicus Therapeutics, Inc.(FOLDcusip03152W109)	14.8M	QoQ -5.25% (-819.0K) YoY +28.21% (-3.3M)	All Managers (Combined)	$120.6M	QoQ -17.92% (-$26.3M) YoY -11.18% (-$15.2M)
New Fortress Energy Inc.(NFEcusip644393100)	14.5M	QoQ -6.79% (-1.1M) YoY +62.72% (-5.6M)	All Managers (Combined)	$120.6M	QoQ -48.77% (-$114.8M) YoY -55.79% (-$152.2M)
Novanta Inc(NOVTcusip67000B104)	928.9K	QoQ -4.81% (-47.0K) YoY -2.84% (-27.2K)	All Managers (Combined)	$118.8M	QoQ -20.32% (-$30.3M) YoY -28.91% (-$48.3M)
Epam Systems, Inc.(EPAMcusip29414B104)	696.5K	QoQ -2.42% (-17.3K) YoY NEW(+696.5K)	All Managers (Combined)	$117.6M	QoQ -29.54% (-$49.3M) YoY NEW(+$117.6M)
Neogen Corp(NEOGcusip640491106)	13.6M	QoQ -5.49% (-787.8K) YoY +85.85% (+6.3M)	All Managers (Combined)	$117.6M	QoQ -32.50% (-$56.6M) YoY +2.11% (+$2.4M)
Icici Bank Ltd(IBNcusip45104G104)	3.7M	QoQ +3.56% (+127.9K) YoY +227.24% (+2.6M)	All Managers (Combined)	$117.2M	QoQ +9.33% (+$10.0M) YoY +290.57% (+$87.2M)
Madrigal Pharmaceuticals, Inc.(MDGLcusip558868105)	353.2K	QoQ -5.00% (-18.6K) YoY NEW(+353.2K)	All Managers (Combined)	$117.0M	QoQ +1.96% (-$2.3M) YoY NEW(+$117.0M)
Inspire Medical Systems, Inc.(INSPcusip457730109)	692.9K	QoQ -23.23% (-209.7K) YoY -8.44% (-63.9K)	All Managers (Combined)	$110.4M	QoQ -34.04% (-$57.0M) YoY -32.10% (-$52.2M)
Advanced Drainage Systems, Inc.(WMScusip00790R104)	1.0M	QoQ -2.58% (-26.8K) YoY -25.79% (-352.2K)	All Managers (Combined)	$110.1M	QoQ -8.43% (-$10.1M) YoY -53.19% (-$125.1M)
Nice Ltd.(NICEcusip653656108)	710.7K	QoQ -25.87% (-248.1K) YoY -47.91% (-653.9K)	All Managers (Combined)	$109.6M	QoQ -32.70% (-$53.3M) YoY -69.19% (-$246.1M)
Guidewire Software, Inc.(GWREcusip40171V100)	577.9K	QoQ -7.88% (-49.4K) YoY -63.13% (-989.7K)	All Managers (Combined)	$108.3M	QoQ +2.38% (-$2.5M) YoY -40.81% (-$74.7M)
Atlassian Corp(TEAMcusip049468101)	505.5K	QoQ NEW(+505.5K) YoY NEW(+505.5K)	All Managers (Combined)	$107.3M	QoQ NEW(+$107.3M) YoY NEW(+$107.3M)
Itau Unibanco Holding S.A.(ITUBcusip465562106)	19.3M	QoQ +36.72% (+5.2M) YoY -41.65% (-13.8M)	All Managers (Combined)	$106.0M	QoQ +51.63% (+$36.1M) YoY -53.69% (-$122.9M)
Churchill Downs Inc(CHDNcusip171484108)	949.7K	QoQ -8.05% (-83.2K) YoY NEW(+949.7K)	All Managers (Combined)	$105.5M	QoQ -23.52% (-$32.5M) YoY NEW(+$105.5M)
Freshpet, Inc.(FRPTcusip358039105)	1.3M	QoQ +42.81% (-379.6K) YoY -51.05% (-1.3M)	All Managers (Combined)	$105.3M	QoQ -19.80% (-$26.0M) YoY -64.86% (-$194.4M)
Genedx Holdings Corp.(WGScusip81663L200)	1.2M	QoQ +77.46% (+519.0K) YoY NEW(+1.2M)	All Managers (Combined)	$105.3M	QoQ +104.48% (+$53.8M) YoY NEW(+$105.3M)
Pure Storage, Inc.(PSTGcusip74624M102)	2.3M	QoQ -8.34% (-210.7K) YoY +252.55% (+1.7M)	All Managers (Combined)	$102.5M	QoQ -33.94% (-$52.7M) YoY +200.20% (+$68.3M)