How many shares of RBBN does MILLENNIUM MANAGEMENT LLC own?

As of 2026-Q2, MILLENNIUM MANAGEMENT LLC holds 698,458 shares of RBBN (RIBBON COMMUNICATIONS INC).

What is MILLENNIUM MANAGEMENT LLC's RBBN position worth?

As of 2026-Q2, MILLENNIUM MANAGEMENT LLC's RBBN position is worth $1.6M.

Is MILLENNIUM MANAGEMENT LLC buying or selling RBBN?

In 2026-Q2, MILLENNIUM MANAGEMENT LLC increased their RBBN position (+42.2% change in shares).

When did MILLENNIUM MANAGEMENT LLC first buy RBBN?

Based on available 13F filings, MILLENNIUM MANAGEMENT LLC first reported a position in RBBN in 2018-Q4. They have held the position across 31 quarters.

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MILLENNIUM MANAGEMENT LLC

RBBN
31 quarters

Position history for MILLENNIUM MANAGEMENT LLC's holdings in RIBBON COMMUNICATIONS INC

Current Value

$1.6M

Current Shares

698,458

Total Value Change

+$1.5M

Total Shares Change

+669,995

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	698,458	+42.2%	$1.6M	0.0%	$2.34	34
2026-Q1	Increased	491,320	+804.7%	$1M	0.0%	$2.33	40
2025-Q4	New	54,306	-	$156,401	0.0%	$2.95	31
2025-Q3	Exited	0	-100.0%	$0	0.0%	$3.76	0
2025-Q2	Increased	830,148	+238.7%	$3.3M	0.0%	$3.95	43
2025-Q1	Increased	245,099	+2040.0%	$960,788	0.0%	$4.06	40
2024-Q4	Decreased	11,453	-54.9%	$47,644	0.0%	$4.15	0
2024-Q3	Decreased	25,371	-30.5%	$82,456	0.0%	$3.26	0
2024-Q2	Decreased	36,518	-40.7%	$120,144	0.0%	$3.29	0
2024-Q1	Decreased	61,556	-9.5%	$196,979	0.0%	$3.20	0
2023-Q4	Decreased	68,031	-33.6%	$197,290	0.0%	$2.90	0
2023-Q3	Decreased	102,497	-44.4%	$274,692	0.0%	$2.68	0
2023-Q2	Decreased	184,251	-88.2%	$514,060	0.0%	$2.64	0
2023-Q1	Increased	1.6M	+359.1%	$5.4M	0.0%	$3.44	44
2022-Q4	Increased	340,745	+263.9%	$951,000	0.0%	$2.79	40
2022-Q3	Decreased	93,633	-72.9%	$208,000	0.0%	$2.33	0
2022-Q2	Increased	345,944	+480.5%	$1.1M	0.0%	$2.96	40
2022-Q1	Increased	59,592	+22.2%	$184,000	0.0%	$3.13	27
2021-Q4	New	48,753	-	$295,000	0.0%	$6.07	32
2021-Q3	Exited	0	-100.0%	$0	0.0%	$5.97	0
2021-Q2	Decreased	80,439	-44.5%	$612,000	0.0%	$7.70	0
2021-Q1	New	145,012	-	$1.2M	0.0%	$8.21	35
2020-Q4	Exited	0	-100.0%	$0	0.0%	$6.47	0
2020-Q3	New	35,091	-	$136,000	0.0%	$3.80	31
2020-Q2	Exited	0	-100.0%	$0	0.0%	$3.90	0
2020-Q1	New	770,874	-	$2.3M	0.0%	$3.15	36
2019-Q4	Exited	0	-100.0%	$0	0.0%	$3.08	0
2019-Q3	Increased	127,080	+35.7%	$742,000	0.0%	$5.79	32
2019-Q2	Decreased	93,664	-46.5%	$458,000	0.0%	$4.89	0
2019-Q1	Increased	175,111	+515.2%	$902,000	0.0%	$5.15	40
2018-Q4	New	28,463	-	$137,000	0.0%	$5.09	31

Other major holders of RBBN: JPMORGAN CHASE & CO

RBBN31 quarters

RBBN
31 quarters