IRONWOOD INVESTMENT MANAGEMENT LLC

Position in RBBN — Ribbon Communications Inc.

CIK 1127761 BOSTON, MA

Position in RBBN

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$38,299

-$14,549 QoQ

Shares Held

18,066

-1.5% QoQ

Ownership

0.010%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Technology · as of Mar 31, 2026

IRONWOOD INVESTMENT MANAGEMENT LLC holds $7,266,838 across 7 Software - Application names. RBBN ranks #7 (0.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PEGA	Pegasystems Inc	78,365	$3,335,214
2	NATL	NCR Atleos Corp	27,908	$1,216,230
3	ADP	Automatic Data Processing Inc	5,235	$1,063,647
4	CRM	Salesforce, Inc.	4,994	$932,229
5	SPSC	Sps Commerce Inc	10,370	$577,297
6	SPT	Sprout Social, Inc.	18,232	$103,922
7	RBBN	Ribbon Communications Inc. This page	18,066	$38,299

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$38,299	18,066	-1.5%	Shares	Sole	2026-05-15
2025-12-31	$52,848	18,350	-0.3%	Shares	Sole	2026-02-12
2025-09-30	$69,927	18,402	-1.3%	Shares	Sole	2025-11-13
2025-06-30	$74,766	18,645	-3.0%	Shares	Sole	2025-08-13
2025-03-31	$75,334	19,218	+0.3%	Shares	Sole	2025-05-15
2024-12-31	$79,722	19,164	+1.3%	Shares	Sole	2025-02-10
2024-09-30	$61,506	18,925	+0.9%	Shares	Sole	2024-11-14
2024-06-30	$61,736	18,765	+0.4%	Shares	Sole	2024-08-16
2024-03-31	$59,814	18,692	-0.9%	Shares	Sole	2024-05-15
2023-12-31	$54,711	18,866	-2.0%	Shares	Sole	2024-02-14
2023-09-30	$51,611	19,258	-3.2%	Shares	Sole	2023-11-16
2023-06-30	$55,507	19,895	-0.2%	Shares	Sole	2023-08-11
2023-03-31	$68,205	19,943	+10.5%	Shares	Sole	2023-05-15
2022-12-31	$50,370	18,054	-12.8%	Shares	Sole	2023-01-31
2022-09-30	$45,954	20,700	+0.3%	Shares	Sole	2022-11-14
2022-06-30	$62,766	20,647	+0.0%	Shares	Sole	2022-08-12
2022-03-31	$63,777	20,640	+1.0%	Shares	Sole	2022-05-10
2021-12-31	$123,607	20,431	+2.6%	Shares	Sole	2022-02-10
2021-09-30	$119,025	19,904	+0.1%	Shares	Sole	2021-11-12
2021-06-30	$151,294	19,881	-2.2%	Shares	Sole	2021-08-16
2021-03-31	$166,958	20,336	+0.4%	Shares	Sole	2021-05-14
2020-12-31	$132,899	20,259	-3.3%	Shares	Sole	2021-02-12
2020-09-30	$81,057	20,945	-0.2%	Shares	Sole	2020-11-13
2020-06-30	$82,451	20,980	-0.5%	Shares	Sole	2020-08-17
2020-03-31	$63,917	21,095	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.