AMERICAN CENTURY COMPANIES INC

Position in ABOS — Acumen Pharmaceuticals, Inc.

CIK 748054 KANSAS CITY, MO

Position in ABOS

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

Position Value

$64,443

+$22,131 QoQ

Shares Held

24,136

+34.6% QoQ

Ownership

0.033%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#54

of 96 holders

Holding Since

Sep 2023

8 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

AMERICAN CENTURY COMPANIES INC holds $3,568,637,643 across 178 Biotechnology names. ABOS ranks #173 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALNY	Alnylam Pharmaceuticals, Inc.	1,853,956	$558,096,374
2	ASND	Ascendis Pharma A/S	1,400,575	$373,561,364
3	VRTX	Vertex Pharmaceuticals Inc / Ma	580,901	$288,550,953
4	ARGX	Argenx SE	173,193	$160,683,269
5	IONS	Ionis Pharmaceuticals Inc	1,947,076	$154,383,656
6	EXEL	Exelixis, Inc.	1,791,664	$97,484,438
7	HRMY	Harmony Biosciences Holdings, Inc.	2,539,512	$92,463,631
8	GPCR	Structure Therapeutics Inc.	1,682,179	$90,282,546

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$64,443	24,136	+34.6%	Shares	Defined	2026-08-12
2026-03-31	$42,312	17,929	-67.0%	Shares	Defined	2026-05-15
2024-12-31	$93,358	54,278	-0.5%	Shares	Defined	2025-02-11
2024-09-30	$135,266	54,543	+20.0%	Shares	Defined	2024-11-12
2024-06-30	$109,974	45,444	+31.3%	Shares	Defined	2024-08-07
2024-03-31	$140,146	34,604	+39.9%	Shares	Defined	2024-05-14
2023-12-31	$94,955	24,728	+79.0%	Shares	Defined	2024-02-13
2023-09-30	$57,336	13,816	—	Shares	Defined	2023-11-13
No filing history on record for this holder in this stock.