CenterBook Partners LP

Position in ALKS — Alkermes plc.

CIK 1872738 GREENWICH, CT

Position in ALKS

as of Mar 31, 2026 · filed May 5, 2026 Compact

Position Value

$1,365,780

+$527,940 QoQ

Shares Held

38,625

+38.3% QoQ

Ownership

0.023%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2025

3 quarters on record

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

Healthcare · as of Mar 31, 2026

CenterBook Partners LP holds $15,544,705 across 5 Drug Manufacturers - Specialty & Generic names. ALKS ranks #4 (8.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	XERS	Xeris Biopharma Holdings, Inc.	1,248,621	$7,242,001
2	LQDA	Liquidia Corp	114,909	$4,336,665
3	INDV	Indivior Pharmaceuticals, Inc.	48,502	$1,478,340
4	ALKS	Alkermes plc. This page	38,625	$1,365,780
5	RDY	Dr Reddys Laboratories Ltd	81,005	$1,121,919

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,365,780	38,625	+38.3%	Shares	Sole	2026-05-05
2025-09-30	$837,840	27,928	+30.8%	Shares	Sole	2025-11-07
2025-06-30	$610,794	21,349	—	Shares	Sole	2025-08-12
No filing history on record for this holder in this stock.