S&CO INC

Position in ALKS — Alkermes plc.

CIK 1082461 BOSTON, MA

Position in ALKS

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$8,654,713

+$3,009,469 QoQ

Shares Held

244,760

+21.3% QoQ

Ownership

0.147%

of shares outstanding

% of Portfolio

0.60%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

23 quarters on record

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

Healthcare · as of Mar 31, 2026

S&CO INC holds $12,761,225 across 4 Drug Manufacturers - Specialty & Generic names. ALKS ranks #1 (67.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALKS	Alkermes plc. This page	244,760	$8,654,713
2	ELAN	Elanco Animal Health Inc	111,284	$2,663,026
3	NBIX	Neurocrine Biosciences Inc	7,000	$922,180
4	ZTS	Zoetis Inc.	4,410	$521,306

23 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$8,654,713	244,760	+21.3%	Shares	Sole	2026-05-07
2025-12-31	$5,645,244	201,760	+0.3%	Shares	Sole	2026-02-05
2025-09-30	$6,036,300	201,210	-8.8%	Shares	Sole	2025-11-06
2025-06-30	$6,310,936	220,585	-0.6%	Shares	Sole	2025-08-07
2025-03-31	$7,329,119	221,960	+3.5%	Shares	Sole	2025-05-08
2024-12-31	$6,168,013	214,465	-0.1%	Shares	Sole	2025-02-07
2024-09-30	$6,009,872	214,715	0.0%	Shares	Sole	2024-11-07
2024-06-30	$5,174,631	214,715	+1.9%	Shares	Sole	2024-08-08
2024-03-31	$5,704,055	210,715	+21.7%	Shares	Sole	2024-05-09
2023-12-31	$4,803,042	173,145	+13.2%	Shares	Sole	2024-02-12
2023-09-30	$4,285,530	153,000	0.0%	Shares	Sole	2023-11-09
2023-06-30	$4,788,900	153,000	0.0%	Shares	Sole	2023-08-08
2023-03-31	$4,313,070	153,000	0.0%	Shares	Sole	2023-05-09
2022-12-31	$3,997,890	153,000	0.0%	Shares	Sole	2023-02-07
2022-09-30	$3,416,490	153,000	0.0%	Shares	Sole	2022-11-09
2022-06-30	$4,557,870	153,000	0.0%	Shares	Sole	2022-08-09
2022-03-31	$4,025,430	153,000	0.0%	Shares	Sole	2022-05-05
2021-12-31	$3,558,780	153,000	0.0%	Shares	Sole	2022-02-08
2021-09-30	$4,718,520	153,000	0.0%	Shares	Sole	2021-11-09
2021-06-30	$3,751,560	153,000	+0.5%	Shares	Sole	2021-07-14
2021-03-31	$2,843,096	152,200	0.0%	Shares	Sole	2021-04-23
2020-12-31	$3,036,390	152,200	+320.4%	Shares	Sole	2021-01-28
2020-03-31	$522,004	36,200	—	Shares	Sole	2020-04-28
No filing history on record for this holder in this stock.