Yorktown Management & Research Co Inc

Position in AAOI — Applied Optoelectronics, Inc.

CIK 1313559 Forest, VA

Position in AAOI

as of Jun 30, 2026 · filed Jul 23, 2026 Compact

Position Value

$348,176

New position

Shares Held

2,350

first reported quarter

Ownership

0.003%

of shares outstanding

% of Portfolio

0.23%

of 13F equity value

Holder Rank

#333

of 480 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

Yorktown Management & Research Co Inc holds $3,637,952 across 5 Communication Equipment names. AAOI ranks #5 (9.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	DGII	Digi International Inc	13,700	$1,026,815
2	LITE	Lumentum Holdings Inc.	1,125	$965,317
3	CIEN	Ciena Corp	1,650	$809,424
4	ONDS	Ondas Inc.	59,250	$488,220
5	AAOI	Applied Optoelectronics, Inc. This page	2,350	$348,176

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$348,176	2,350	—	Shares	Sole	2026-07-23
No filing history on record for this holder in this stock.