Shannon River Fund Management LLC

Position in EXTR — Extreme Networks Inc

CIK 1301050 NEW YORK, NY

Position in EXTR

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$46,097,955

+$26,296,996 QoQ

Shares Held

1,424,095

+8.5% QoQ

Ownership

1.09%

of shares outstanding

% of Portfolio

4.11%

of 13F equity value

Holder Rank

#22

of 339 holders

Holding Since

Dec 2025

3 quarters on record

Voting authority Sole 82% Shared 0% None 18%

Technology · as of Jun 30, 2026

Shannon River Fund Management LLC holds $111,303,159 across 3 Communication Equipment names. EXTR ranks #1 (41.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	EXTR	Extreme Networks Inc This page	1,424,095	$46,097,955
2	CIEN	Ciena Corp	81,298	$39,881,546
3	NOK	Nokia Corp	1,906,902	$25,323,658

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$46,097,955	1,424,095	+8.5%	Shares	Sole	2026-08-13
2026-03-31	$19,800,959	1,313,061	-31.1%	Shares	Sole	2026-05-14
2025-12-31	$31,710,391	1,904,528	—	Shares	Sole	2026-02-17
No filing history on record for this holder in this stock.