Stocks
RBBN
CITADEL ADVISORS LLC

CITADEL ADVISORS LLC

CIK

1423053

City

MIAMI

State / Country

Stock

RBBN — Ribbon Communications Inc.

Top Portfolio Positions

4,239 positions · $547,092,820,445 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
SPY	Spdr S&P 500 ETF Trust	64,565,975	$41,989,836,181	7.68%
QQQ	Invesco Qqq Trust, Series 1	55,171,964	$31,844,154,181	5.82%
NVDA	Nvidia Corp Technology	137,243,161	$23,935,207,278	4.37%
TSLA	Tesla, Inc. Consumer Cyclical	63,922,509	$23,763,192,720	4.34%
GLD	Spdr Gold Trust	34,441,722	$14,819,928,559	2.71%
AAPL	Apple Inc. Technology	55,393,070	$14,058,207,235	2.57%
META	Meta Platforms, Inc. Communication Services	23,967,037	$13,712,260,878	2.51%
MSFT	Microsoft Corp Technology	32,176,424	$11,910,746,871	2.18%
AMZN	Amazon Com Inc Consumer Cyclical	51,582,437	$10,743,074,153	1.96%
MU	Micron Technology Inc Technology	31,629,772	$10,685,802,171	1.95%

Portfolio Trend

37 quarters · across all stocks

Holdings in RBBN

Compact Export CSV

Shares Held

Position Value (USD)

44 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$37,736	17,800	-96.9%	Call	Defined	2026-05-15
2026-03-31	$1,218,976	574,989	+966.7%	Shares	Defined	2026-05-15
2025-12-31	$155,240	53,903	-3.0%	Shares	Defined	2026-02-17
2025-09-30	$211,105	55,554	+857.8%	Shares	Defined	2025-11-14
2025-03-31	$22,736	5,800	-30.1%	Call	Defined	2025-05-15
2025-03-31	$32,536	8,300	-93.7%	Put	Defined	2025-05-15
2024-12-31	$550,284	132,280	+43993.3%	Shares	Defined	2025-02-14
2024-12-31	$1,248	300	0.0%	Put	Defined	2025-02-14
2024-09-30	$975	300	-93.8%	Put	Defined	2024-11-14
2024-09-30	$15,600	4,800	-94.1%	Call	Defined	2024-11-14
2024-09-30	$264,082	81,256	+20214.0%	Shares	Defined	2024-11-14
2024-06-30	$1,316	400	-99.8%	Put	Defined	2024-08-14
2024-06-30	$775,383	235,679	+33568.4%	Shares	Defined	2024-08-14
2024-03-31	$2,240	700	-99.1%	Put	Defined	2024-05-15
2024-03-31	$240,640	75,200	+974.3%	Shares	Defined	2024-05-15
2024-03-31	$22,400	7,000	-90.1%	Call	Defined	2024-05-15
2023-12-31	$204,339	70,462	+2416.5%	Shares	Defined	2024-02-14
2023-12-31	$8,120	2,800	-95.1%	Put	Defined	2024-02-14
2023-09-30	$152,090	56,750	+320.4%	Shares	Defined	2023-11-14
2023-09-30	$36,180	13,500	-53.4%	Call	Defined	2023-11-14
2023-06-30	$80,910	29,000	-87.6%	Put	Defined	2023-08-14
2023-06-30	$653,111	234,090	+1621.2%	Shares	Defined	2023-08-14
2023-06-30	$37,944	13,600	-6.8%	Call	Defined	2023-08-14
2023-03-31	$49,932	14,600	-35.7%	Call	Defined	2023-05-15
2023-03-31	$77,634	22,700	-95.8%	Put	Defined	2023-05-15
2023-03-31	$1,844,498	539,327	+269563.5%	Shares	Defined	2023-05-15
2022-12-31	$558	200	-91.7%	Put	Defined	2023-02-14
2022-12-31	$6,696	2,400	-93.9%	Call	Defined	2023-02-14
2022-12-31	$110,302	39,535	+54.5%	Shares	Defined	2023-02-14
2022-09-30	$56,803	25,587	-9.2%	Shares	Defined	2022-11-14
2022-06-30	$85,676	28,183	-88.7%	Shares	Defined	2022-08-15
2022-03-31	$769,240	248,945	+648.5%	Shares	Defined	2022-05-16
2021-12-31	$201,229	33,261	+106.5%	Shares	Defined	2022-02-14
2021-09-30	$96,307	16,105	-62.8%	Shares	Defined	2021-11-15
2021-06-30	$329,513	43,300	+246.4%	Call	Defined	2021-08-16
2021-06-30	$95,125	12,500	-81.7%	Put	Defined	2021-08-16
2021-06-30	$520,272	68,367	+121.3%	Shares	Defined	2021-08-16
2021-03-31	$253,689	30,900	-75.2%	Call	Defined	2021-05-21
2021-03-31	$1,022,145	124,500	+648.3%	Put	Defined	2021-05-21
2021-03-31	$136,597	16,638	+11.7%	Shares	Defined	2021-05-21
2020-12-31	$97,744	14,900	-62.2%	Call	Defined	2021-02-16
2020-12-31	$258,464	39,400	+261.5%	Put	Defined	2021-02-16
2020-06-30	$42,837	10,900	-85.8%	Call	Defined	2020-08-14
2020-03-31	$232,291	76,664	—	Shares	Defined	2020-05-15
No 13F history on record for this holder in this stock.