AMERICAN CENTURY COMPANIES INC

Position in SUPN — Supernus Pharmaceuticals, Inc.

CIK 748054 KANSAS CITY, MO

Back to SUPN Full portfolio

Position in SUPN

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

Position Value

$8,323,382

+$111,849 QoQ

Shares Held

161,025

-2.5% QoQ

Ownership

0.277%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 quarters on record

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

Common Shares in SUPN Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Mar 31, 2026

AMERICAN CENTURY COMPANIES INC holds $762,972,194 across 32 Drug Manufacturers - Specialty & Generic names. SUPN ranks #17 (1.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALKS	Alkermes plc.	6,072,103	$214,709,562
2	LNTH	Lantheus Holdings, Inc.	1,781,106	$135,096,890
3	ZTS	Zoetis Inc.	834,384	$98,632,532
4	VTRS	Viatris Inc	4,629,065	$62,538,668
5	UTHR	UNITED THERAPEUTICS Corp	69,368	$41,133,836
6	RDY	Dr Reddys Laboratories Ltd	1,661,333	$23,009,462
7	EBS	Emergent BioSolutions Inc.	2,425,722	$20,133,492
8	AMPH	Amphastar Pharmaceuticals, Inc.	1,017,538	$19,933,569

All Filings in SUPN

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24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$8,323,382	161,025	-2.5%	Shares	Defined	2026-05-15
2025-12-31	$8,211,533	165,222	-67.6%	Shares	Defined	2026-02-13
2025-09-30	$24,342,696	509,368	-44.4%	Shares	Defined	2025-11-12
2025-06-30	$28,877,174	916,154	-19.3%	Shares	Defined	2025-08-12
2025-03-31	$37,181,468	1,135,312	-0.5%	Shares	Defined	2025-05-13
2024-12-31	$41,247,892	1,140,705	+9.2%	Shares	Defined	2025-02-11
2024-09-30	$32,580,855	1,044,928	+108.3%	Shares	Defined	2024-11-12
2024-06-30	$13,419,351	501,658	+369.1%	Shares	Defined	2024-08-07
2024-03-31	$3,647,382	106,930	+47.3%	Shares	Defined	2024-05-14
2023-12-31	$2,100,841	72,593	-0.0%	Shares	Defined	2024-02-13
2023-06-30	$2,182,386	72,601	+22.5%	Shares	Defined	2023-08-14
2023-03-31	$2,147,352	59,270	-21.4%	Shares	Defined	2023-05-11
2022-12-31	$2,690,338	75,423	+91.0%	Shares	Defined	2023-02-13
2022-09-30	$1,336,939	39,496	+12.3%	Shares	Defined	2022-11-14
2022-06-30	$1,017,376	35,179	-58.6%	Shares	Defined	2022-08-12
2022-03-31	$2,746,553	84,980	-9.2%	Shares	Defined	2022-05-11
2021-12-31	$2,728,063	93,555	-31.0%	Shares	Defined	2022-02-07
2021-09-30	$3,614,531	135,528	+13.9%	Shares	Defined	2021-11-10
2021-06-30	$3,663,794	118,993	+32.3%	Shares	Defined	2021-08-05
2021-03-31	$2,355,178	89,961	-3.8%	Shares	Defined	2021-05-14
2020-12-31	$2,352,082	93,485	-4.6%	Shares	Defined	2021-02-12
2020-09-30	$2,042,111	97,990	+92.0%	Shares	Defined	2020-11-13
2020-06-30	$1,211,867	51,026	+1.2%	Shares	Defined	2020-08-13
2020-03-31	$907,487	50,444	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.