Weiss Asset Management LP

Position in AAOI — Applied Optoelectronics, Inc.

CIK 1357550 BOSTON, MA

Position in AAOI

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$22,500,762

New position

Shares Held

151,868

first reported quarter

Ownership

0.180%

of shares outstanding

% of Portfolio

0.37%

of 13F equity value

Holder Rank

#47

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

Weiss Asset Management LP holds $51,873,584 across 4 Communication Equipment names. AAOI ranks #2 (43.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VIAV	Viavi Solutions Inc.	501,507	$23,946,959
2	AAOI	Applied Optoelectronics, Inc. This page	151,868	$22,500,762
3	LITE	Lumentum Holdings Inc.	4,905	$4,208,784
4	CIEN	Ciena Corp	2,481	$1,217,079

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$22,500,762	151,868	—	Shares	Defined	2026-08-14
No filing history on record for this holder in this stock.