CenterBook Partners LP

Position in APEI — American Public Education Inc

CIK 1872738 GREENWICH, CT

Position in APEI

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$2,476,912

+$1,515,697 QoQ

Shares Held

46,125

+172.9% QoQ

Ownership

0.252%

of shares outstanding

% of Portfolio

0.12%

of 13F equity value

Holder Rank

#63

of 208 holders

Holding Since

Jun 2025

5 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Consumer Defensive · as of Jun 30, 2026

CenterBook Partners LP holds $6,860,857 across 3 Education & Training Services names. APEI ranks #2 (36.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PRDO	PERDOCEO EDUCATION Corp	89,410	$2,861,120
2	APEI	American Public Education Inc This page	46,125	$2,476,912
3	LRN	Stride, Inc.	17,658	$1,522,825

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,476,912	46,125	+172.9%	Shares	Sole	2026-08-11
2026-03-31	$961,215	16,899	-85.8%	Shares	Sole	2026-05-05
2025-12-31	$4,508,330	119,268	+19.8%	Shares	Sole	2026-02-11
2025-09-30	$3,928,528	99,532	+3.5%	Shares	Sole	2025-11-07
2025-06-30	$2,930,404	96,205	—	Shares	Sole	2025-08-12
No filing history on record for this holder in this stock.