AMERICAN CENTURY COMPANIES INC

Position in IDYA — IDEAYA Biosciences, Inc.

CIK 748054 KANSAS CITY, MO

Position in IDYA

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$8,047,046

+$981,008 QoQ

Shares Held

241,508

+18.2% QoQ

Ownership

0.275%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2022

11 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

AMERICAN CENTURY COMPANIES INC holds $3,844,388,733 across 170 Biotechnology names. IDYA ranks #48 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALNY	Alnylam Pharmaceuticals, Inc.	1,802,363	$596,347,845
2	REGN	Regeneron Pharmaceuticals, Inc.	562,097	$434,298,626
3	VRTX	Vertex Pharmaceuticals Inc / Ma	813,285	$363,164,283
4	ASND	Ascendis Pharma A/S	1,397,119	$319,563,028
5	INSM	INSMED Inc	925,799	$151,386,652
6	ARGX	Argenx SE	173,700	$126,844,425
7	IONS	Ionis Pharmaceuticals Inc	1,663,803	$124,934,967
8	CPRX	Catalyst Pharmaceuticals, Inc.	4,138,416	$102,467,180

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$8,047,046	241,508	+18.2%	Shares	Defined	2026-05-15
2025-12-31	$7,066,038	204,398	+9.5%	Shares	Defined	2026-02-13
2025-09-30	$5,080,705	186,722	+62.9%	Shares	Defined	2025-11-12
2025-06-30	$2,409,816	114,644	+862.7%	Shares	Defined	2025-08-12
2025-03-31	$195,053	11,908	+39.4%	Shares	Defined	2025-05-13
2024-06-30	$299,874	8,541	-14.0%	Shares	Defined	2024-08-07
2024-03-31	$435,860	9,933	-7.2%	Shares	Defined	2024-05-14
2023-12-31	$381,026	10,709	-63.1%	Shares	Defined	2024-02-13
2023-06-30	$681,852	29,015	+70.4%	Shares	Defined	2023-08-14
2023-03-31	$233,725	17,023	+42.9%	Shares	Defined	2023-05-11
2022-12-31	$216,441	11,912	—	Shares	Defined	2023-02-13
No filing history on record for this holder in this stock.