Ribbon Communications Inc.

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP RBBN

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

1,029,716

Value ($000)

2,966

Weight

0.0%

2019 Q4 - 2025 Q4 (25 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/13/2026	2,966	0.0%	1,029,716	12/31/2025
2025 Q3	11/13/2025	3,665	0.0%	964,446	9/30/2025
2025 Q2	8/13/2025	1,938	0.0%	483,170	6/30/2025
2025 Q1	5/14/2025	2,181	0.0%	556,324	3/31/2025
2024 Q4	2/12/2025	2,453	0.0%	589,756	12/31/2024
2024 Q3	11/14/2024	2,243	0.0%	690,070	9/30/2024
2024 Q2	8/14/2024	2,386	0.0%	725,273	6/30/2024
2024 Q1	5/15/2024	2,590	0.0%	809,253	3/31/2024
2023 Q4	2/14/2024	1,811	0.0%	624,353	12/31/2023
2023 Q3	11/14/2023	2,807	0.0%	1,047,446	9/30/2023
2023 Q2	8/14/2023	2,988	0.0%	1,071,142	6/30/2023
2023 Q1	5/15/2023	3,086	0.0%	902,256	3/31/2023
2022 Q4	2/14/2023	1,304	0.0%	467,514	12/31/2022
2022 Q3	11/14/2022	1,038	0.0%	467,514	9/30/2022
2022 Q2	8/15/2022	1,308	0.0%	430,372	6/30/2022
2022 Q1	5/13/2022	864	0.0%	279,715	3/31/2022
2021 Q4	2/14/2022	2,188	0.0%	361,690	12/31/2021
2021 Q3	11/12/2021	4,447	0.0%	743,708	9/30/2021
2021 Q2	8/13/2021	8,027	0.0%	1,054,856	6/30/2021
2021 Q1	5/14/2021	6,880	0.0%	837,961	3/31/2021
2020 Q4	2/12/2021	4,705	0.0%	717,207	12/31/2020
2020 Q3	11/12/2020	2,568	0.0%	663,511	9/30/2020
2020 Q2	8/12/2020	3,116	0.0%	792,781	6/30/2020
2020 Q1	5/15/2020	2,402	0.0%	792,781	3/31/2020
2019 Q4	2/13/2020	2,241	0.0%	723,026	12/31/2019