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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POOL CORP

POOL|73278L105

514937(-7.0%)

Value:

$163.9B(-13.1%)

FTAI Aviation Ltd.

FTAI|G3730V105

1424978(+17.7%)

Value:

$158.2B(-9.3%)

Waystar Holding Corp.

WAY|946784105

4227425

Value:

$157.9B

Q2 Holdings, Inc.

QTWO|74736L109

1967187(-2.3%)

Value:

$157.4B(-22.3%)

ACV Auctions Inc.

ACVA|00091G104

11076909(-8.4%)

Value:

$156.1B(-40.3%)

CURTISS WRIGHT CORP

CW|231561101

485212(+29.8%)

Value:

$153.9B(+16.1%)

CHART INDUSTRIES INC

GTLS|16115Q308

1042446(-4.6%)

Value:

$150.5B(-27.8%)

Twist Bioscience Corp

TWST|90184D100

3806867(+29.1%)

Value:

$149.5B(+9.0%)

WillScot Holdings Corp

WSC|971378104

5282161(-4.9%)

Value:

$146.8B(-21.0%)

VEEVA SYSTEMS INC

VEEV|922475108

628291(-21.1%)

Value:

$145.5B(-13.1%)

e.l.f. Beauty, Inc.

ELF|26856L103

2277639(-1.2%)

Value:

$143.0B(-50.6%)

MARTIN MARIETTA MATERIALS INC

MLM|573284106

292752(-33.2%)

Value:

$140.0B(-38.1%)

CAMECO CORP

CCJ|13321L108

3362624(-17.2%)

Value:

$138.4B(-33.7%)

Acadia Healthcare Company, Inc.

ACHC|00404A109

4398555(+21.2%)

Value:

$133.4B(-7.3%)

Apollo Global Management, Inc.

APO|03769M106

945205(-32.5%)

Value:

$129.4B(-44.0%)

Monster Beverage Corp

MNST|61174X109

2199595(-39.8%)

Value:

$128.7B(-33.0%)

Paylocity Holding Corp

PCTY|70438V106

687005

Value:

$128.7B

Blueprint Medicines Corp

BPMC|09627Y109

1429668(-26.5%)

Value:

$126.5B(-25.4%)

LANCASTER COLONY CORP

LANC|513847103

720305(-14.1%)

Value:

$126.1B(-13.2%)

nVent Electric plc

NVT|G6700G107

2404472(-7.2%)

Value:

$126.0B(-28.6%)

Instrument	Shares		Other Manager	Value
Pool Corp(POOLcusip73278L105)	514.9K	QoQ -6.96% (-38.5K) YoY -20.54% (-133.1K)	All Managers (Combined)	$163.9M	QoQ -13.12% (-$24.8M) YoY -37.30% (-$97.6M)
Ftai Aviation Ltd.(FTAIcusipG3730V105)	1.4M	QoQ +17.71% (-214.4K) YoY NEW(+1.4M)	All Managers (Combined)	$158.2M	QoQ -9.26% (-$16.2M) YoY NEW(+$158.2M)
Waystar Holding Corp.(WAYcusip946784105)	4.2M	QoQ NEW(+4.2M) YoY NEW(+4.2M)	All Managers (Combined)	$157.9M	QoQ NEW(+$157.9M) YoY NEW(+$157.9M)
Q2 Holdings, Inc.(QTWOcusip74736L109)	2.0M	QoQ -2.29% (-46.2K) YoY NEW(+2.0M)	All Managers (Combined)	$157.4M	QoQ -22.33% (-$45.3M) YoY NEW(+$157.4M)
Acv Auctions Inc.(ACVAcusip00091G104)	11.1M	QoQ -8.45% (-1.0M) YoY +130.03% (+6.3M)	All Managers (Combined)	$156.1M	QoQ -40.28% (-$105.3M) YoY +72.67% (+$65.7M)
Curtiss Wright Corp(CWcusip231561101)	485.2K	QoQ +29.82% (+111.5K) YoY NEW(+485.2K)	All Managers (Combined)	$153.9M	QoQ +16.07% (+$21.3M) YoY NEW(+$153.9M)
Chart Industries Inc(GTLScusip16115Q308)	1.0M	QoQ -4.61% (-50.4K) YoY -20.56% (-269.9K)	All Managers (Combined)	$150.5M	QoQ -27.84% (-$58.1M) YoY -30.38% (-$65.7M)
Twist Bioscience Corp(TWSTcusip90184D100)	3.8M	QoQ +29.05% (+857.1K) YoY +8.48% (+297.7K)	All Managers (Combined)	$149.5M	QoQ +9.03% (+$12.4M) YoY +24.13% (+$29.1M)
Willscot Holdings Corp(WSCcusip971378104)	5.3M	QoQ -4.91% (-273.3K) YoY +130.81% (+3.0M)	All Managers (Combined)	$146.8M	QoQ -20.97% (-$39.0M) YoY +37.99% (+$40.4M)
Veeva Systems Inc(VEEVcusip922475108)	628.3K	QoQ -21.09% (-168.0K) YoY +3.01% (+18.4K)	All Managers (Combined)	$145.5M	QoQ -13.07% (-$21.9M) YoY +2.98% (+$4.2M)
E.L.F. Beauty, Inc.(ELFcusip26856L103)	2.3M	QoQ -1.20% (-27.7K) YoY +69.47% (-933.7K)	All Managers (Combined)	$143.0M	QoQ -50.58% (-$146.4M) YoY -45.71% (-$120.4M)
Martin Marietta Materials Inc(MLMcusip573284106)	292.8K	QoQ -33.19% (-145.4K) YoY -21.13% (-78.5K)	All Managers (Combined)	$140.0M	QoQ -38.15% (-$86.4M) YoY -38.58% (-$87.9M)
Cameco Corp(CCJcusip13321L108)	3.4M	QoQ -17.18% (-697.7K) YoY -13.66% (-532.2K)	All Managers (Combined)	$138.4M	QoQ -33.66% (-$70.3M) YoY -17.96% (-$30.3M)
Acadia Healthcare Company, Inc.(ACHCcusip00404A109)	4.4M	QoQ +21.23% (-770.5K) YoY +51.08% (-1.5M)	All Managers (Combined)	$133.4M	QoQ -7.29% (-$10.5M) YoY -42.17% (-$97.3M)
Apollo Global Management, Inc.(APOcusip03769M106)	945.2K	QoQ -32.45% (-454.2K) YoY -50.36% (-959.0K)	All Managers (Combined)	$129.4M	QoQ -43.99% (-$101.7M) YoY -39.55% (-$84.7M)
Monster Beverage Corp(MNSTcusip61174X109)	2.2M	QoQ -39.78% (-1.5M) YoY -54.73% (-2.7M)	All Managers (Combined)	$128.7M	QoQ -32.95% (-$63.3M) YoY -55.31% (-$159.4M)
Paylocity Holding Corp(PCTYcusip70438V106)	687.0K	QoQ NEW(+687.0K) YoY NEW(+687.0K)	All Managers (Combined)	$128.7M	QoQ NEW(+$128.7M) YoY NEW(+$128.7M)
Blueprint Medicines Corp(BPMCcusip09627Y109)	1.4M	QoQ -26.48% (-515.0K) YoY -16.29% (-278.4K)	All Managers (Combined)	$126.5M	QoQ -25.39% (-$43.1M) YoY -21.90% (-$35.5M)
Lancaster Colony Corp(LANCcusip513847103)	720.3K	QoQ -14.08% (-118.1K) YoY -46.39% (-623.5K)	All Managers (Combined)	$126.1M	QoQ -13.15% (-$19.1M) YoY -54.82% (-$153.0M)
Nvent Electric Plc(NVTcusipG6700G107)	2.4M	QoQ -7.21% (-186.9K) YoY NEW(+2.4M)	All Managers (Combined)	$126.0M	QoQ -28.64% (-$50.6M) YoY NEW(+$126.0M)