AMERICAN CENTURY COMPANIES INC

Position in SRRK — Scholar Rock Holding Corp

CIK 748054 KANSAS CITY, MO

Position in SRRK

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

Position Value

$34,761,085

+$3,562,541 QoQ

Shares Held

707,101

-0.2% QoQ

Ownership

0.590%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2022

11 quarters on record

Voting authority Sole 84.28810028553205.ToString("F0")% Shared 15.711899714467947.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

AMERICAN CENTURY COMPANIES INC holds $3,844,311,104 across 169 Biotechnology names. SRRK ranks #27 (0.9% 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	$34,761,085	707,101	-0.2%	Shares	Defined	2026-05-15
2025-12-31	$31,198,544	708,253	+3.2%	Shares	Defined	2026-02-13
2025-09-30	$25,545,299	685,964	-1.0%	Shares	Defined	2025-11-12
2025-06-30	$24,534,583	692,676	+4.3%	Shares	Defined	2025-08-12
2025-03-31	$21,345,253	663,927	+1.1%	Shares	Defined	2025-05-13
2024-12-31	$28,394,113	656,967	+5093.4%	Shares	Defined	2025-02-11
2024-03-31	$224,664	12,650	-78.7%	Shares	Defined	2024-05-14
2023-12-31	$1,114,482	59,281	+181.9%	Shares	Defined	2024-02-13
2023-06-30	$158,581	21,032	+47.9%	Shares	Defined	2023-08-14
2023-03-31	$113,776	14,222	+36.6%	Shares	Defined	2023-05-11
2022-12-31	$94,192	10,408	—	Shares	Defined	2023-02-13
No filing history on record for this holder in this stock.