PARADIGM CAPITAL MANAGEMENT INC/NY

Position in RBBN — Ribbon Communications Inc.

CIK 1037792 ALBANY, NY

Back to RBBN Full portfolio

Position in RBBN

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$17,037,029

-$6,934,069 QoQ

Shares Held

8,036,335

-3.4% QoQ

Ownership

4.56%

of shares outstanding

% of Portfolio

0.66%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 97.97125182063714.ToString("F0")% Shared 2.0287481793628563.ToString("F0")% None 0.ToString("F0")%

Common Shares in RBBN Over Time

Shares Held

Position Value (USD)

Position in Software - Application

Technology · as of Mar 31, 2026

PARADIGM CAPITAL MANAGEMENT INC/NY holds $37,132,640 across 3 Software - Application names. RBBN ranks #1 (45.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RBBN	Ribbon Communications Inc. This page	8,036,335	$17,037,029
2	CRNC	Cerence Inc.	2,507,276	$15,820,911
3	PTC	Ptc Inc.	30,000	$4,274,700

All Filings in RBBN

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$17,037,029	8,036,335	-3.4%	Shares	Defined	2026-05-14
2025-12-31	$23,971,098	8,323,298	-4.9%	Shares	Defined	2026-02-12
2025-09-30	$33,246,960	8,749,200	+0.0%	Shares	Defined	2025-11-14
2025-06-30	$35,080,282	8,748,200	0.0%	Shares	Sole	2025-08-14
2025-06-30	$35,080,282	8,748,200	-8.0%	Shares	Defined	2025-08-14
2025-03-31	$37,283,904	9,511,200	-6.2%	Shares	Defined	2025-05-15
2024-12-31	$42,176,663	10,138,621	-4.3%	Shares	Defined	2025-02-18
2024-09-30	$34,426,275	10,592,700	+0.4%	Shares	Defined	2024-11-14
2024-06-30	$34,697,656	10,546,400	+4.1%	Shares	Sole	2024-08-14
2024-03-31	$32,404,480	10,126,400	+11.9%	Shares	Sole	2024-05-15
2023-12-31	$26,252,540	9,052,600	+20.8%	Shares	Sole	2024-02-13
2023-09-30	$20,087,672	7,495,400	+6.8%	Shares	Sole	2023-11-13
2023-06-30	$19,581,204	7,018,353	+5.1%	Shares	Sole	2023-08-14
2023-03-31	$22,839,967	6,678,353	+1.5%	Shares	Sole	2023-05-12
2022-12-31	$18,352,341	6,577,900	-36.7%	Shares	Sole	2023-02-03
2022-09-30	$23,061,237	10,387,945	+0.7%	Shares	Sole	2022-10-26
2022-06-30	$31,351,282	10,312,922	+21.6%	Shares	Sole	2022-08-02
2022-03-31	$26,215,560	8,484,000	+0.1%	Shares	Sole	2022-05-25
2021-12-31	$51,283,430	8,476,600	-0.1%	Shares	Sole	2022-02-09
2021-09-30	$50,741,496	8,485,200	+0.7%	Shares	Sole	2021-11-08
2021-06-30	$64,109,684	8,424,400	+3.3%	Shares	Sole	2021-08-05
2021-03-31	$66,956,655	8,155,500	-2.7%	Shares	Sole	2021-05-05
2020-12-31	$54,984,608	8,381,800	+0.8%	Shares	Sole	2021-01-20
2020-09-30	$32,191,434	8,318,200	+13.1%	Shares	Sole	2020-10-20
2020-06-30	$28,915,368	7,357,600	+20.4%	Shares	Sole	2020-08-03
2020-03-31	$18,514,815	6,110,500	—	Shares	Sole	2020-05-12
No filing history on record for this holder in this stock.