How many shares of RBBN does D. E. Shaw & Co., Inc. own?

As of 2026-Q1, D. E. Shaw & Co., Inc. holds 1.5M shares of RBBN (RIBBON COMMUNICATIONS INC).

What is D. E. Shaw & Co., Inc.'s RBBN position worth?

As of 2026-Q1, D. E. Shaw & Co., Inc.'s RBBN position is worth $3.3M.

In 2026-Q1, D. E. Shaw & Co., Inc. increased their RBBN position (+57.0% change in shares).

Based on available 13F filings, D. E. Shaw & Co., Inc. first reported a position in RBBN in 2018-Q4. They have held the position across 30 quarters.

Position history for DED. E. Shaw & Co., Inc.'s holdings in RIBBON COMMUNICATIONS INC

Current Value

$3.3M

Current Shares

1.5M

Total Value Change

-$1.1M

Total Shares Change

+630,340

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Increased	1.5M	+57.0%	$3.3M	0.0%	$2.33	38
2025-Q4	Increased	979,841	+66.4%	$2.8M	0.0%	$2.95	39
2025-Q3	Increased	588,892	+41.3%	$2.2M	0.0%	$3.76	35
2025-Q2	Unchanged	416,687	0.0%	$1.7M	0.0%	$3.95	0
2025-Q1	Decreased	416,687	-11.3%	$1.6M	0.0%	$4.06	0
2024-Q4	Increased	469,499	+22.1%	$2M	0.0%	$4.15	31
2024-Q3	Decreased	384,500	-17.1%	$1.2M	0.0%	$3.26	0
2024-Q2	Increased	463,531	+28.0%	$1.5M	0.0%	$3.29	32
2024-Q1	Decreased	362,064	-15.9%	$1.2M	0.0%	$3.20	0
2023-Q4	Decreased	430,612	-19.3%	$1.2M	0.0%	$2.90	0
2023-Q3	Decreased	533,640	-25.0%	$1.4M	0.0%	$2.68	0
2023-Q2	Decreased	711,124	-26.5%	$2M	0.0%	$2.64	0
2023-Q1	Increased	967,307	+14.2%	$3.3M	0.0%	$3.44	30
2022-Q4	Decreased	846,779	-4.5%	$2.4M	0.0%	$2.79	0
2022-Q3	Decreased	886,789	-1.6%	$2M	0.0%	$2.33	0
2022-Q2	Decreased	901,688	-6.0%	$2.7M	0.0%	$2.96	0
2022-Q1	Increased	959,288	+105.0%	$3M	0.0%	$3.13	43
2021-Q4	Increased	467,891	+15.0%	$2.8M	0.0%	$6.07	30
2021-Q3	Increased	406,918	+2.5%	$2.4M	0.0%	$5.97	27
2021-Q2	Decreased	397,021	-32.3%	$3M	0.0%	$7.70	0
2021-Q1	Decreased	586,004	-26.3%	$4.8M	0.0%	$8.21	0
2020-Q4	Decreased	795,297	-3.7%	$5.2M	0.0%	$6.47	0
2020-Q3	Decreased	825,498	-21.6%	$3.2M	0.0%	$3.80	0
2020-Q2	Decreased	1.1M	-7.7%	$4.1M	0.0%	$3.90	0
2020-Q1	Decreased	1.1M	-7.9%	$3.5M	0.0%	$3.15	0
2019-Q4	Increased	1.2M	+19.9%	$3.8M	0.0%	$3.08	32
2019-Q3	Decreased	1M	-9.5%	$6M	0.0%	$5.79	0
2019-Q2	Increased	1.1M	+13.0%	$5.6M	0.0%	$4.89	31
2019-Q1	Increased	1M	+11.3%	$5.2M	0.0%	$5.15	30
2018-Q4	New	908,132	-	$4.4M	0.0%	$5.09	37

Other major holders of RBBN: JPMORGAN CHASE & CO