WESTFIELD CAPITAL MANAGEMENT CO LP

Position in LEGN — Legend Biotech Corp

CIK 1177719 BOSTON, MA

Position in LEGN

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$127,940,219

+$23,678,957 QoQ

Shares Held

4,430,063

-23.1% QoQ

Ownership

2.28%

of shares outstanding

% of Portfolio

0.42%

of 13F equity value

Holder Rank

of 218 holders

Holding Since

Jun 2023

13 quarters on record

Voting authority Sole 92% Shared 0% None 8%

Healthcare · as of Jun 30, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $3,083,455,798 across 23 Biotechnology names. LEGN ranks #7 (4.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASND	Ascendis Pharma A/S	4,798,267	$1,279,793,774
2	RYTM	Rhythm Pharmaceuticals, Inc.	2,208,595	$245,220,302
3	ABVX	Abivax S.A.	1,309,825	$174,547,279
4	INSM	INSMED Inc	1,629,561	$173,743,793
5	PTCT	Ptc Therapeutics, Inc.	1,956,156	$159,563,644
6	PCVX	Vaxcyte, Inc.	2,472,428	$143,722,239
7	LEGN	Legend Biotech Corp This page	4,430,063	$127,940,219
8	RVMD	Revolution Medicines, Inc.	600,821	$112,521,756

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$127,940,219	4,430,063	-23.1%	Shares	Sole	2026-08-12
2026-03-31	$104,261,262	5,763,475	-6.5%	Shares	Sole	2026-05-11
2025-12-31	$134,020,077	6,164,677	+1.2%	Shares	Sole	2026-02-11
2025-09-30	$198,741,188	6,094,486	-5.8%	Shares	Sole	2025-11-12
2025-06-30	$229,710,693	6,472,547	-6.4%	Shares	Sole	2025-08-12
2025-03-31	$234,713,048	6,917,567	+21.1%	Shares	Sole	2025-05-09
2024-12-31	$185,923,667	5,713,696	+13.4%	Shares	Sole	2025-02-11
2024-09-30	$245,526,348	5,038,505	+5.6%	Shares	Sole	2024-11-12
2024-06-30	$211,361,136	4,772,209	+113.1%	Shares	Sole	2024-08-14
2024-03-31	$125,628,923	2,239,774	+26.1%	Shares	Sole	2024-05-10
2023-12-31	$106,876,781	1,776,247	+6.5%	Shares	Sole	2024-02-09
2023-09-30	$112,049,635	1,668,150	+71.6%	Shares	Sole	2023-11-13
2023-06-30	$67,100,887	972,054	—	Shares	Sole	2023-08-11
No filing history on record for this holder in this stock.