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Equibles

CITADEL ADVISORS LLC

Position in RBBN — Ribbon Communications Inc.

CIK 1423053 MIAMI, FL
Back to RBBN Full portfolio

Position in RBBN

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$1,218,976
+$1,063,736 QoQ
Shares Held
574,989
+966.7% QoQ
Ownership
0.326%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
23 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in RBBN Over Time

Shares Held

Position Value (USD)

Derivatives in RBBN

reported options exposure · as of Mar 31, 2026
CallValue
$37,736
CallShares
17,800
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Software - Application

Technology · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $5,205,756,109 across 152 Software - Application names. RBBN ranks #100 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 SSNC
SS&C Technologies Holdings Inc
 5,575,290 $376,722,344
2 CRM
Salesforce, Inc.
 1,951,334 $364,255,516
3 ZM
Zoom Communications, Inc.
 4,230,754 $340,110,313
4 DDOG
Datadog, Inc.
 2,705,995 $319,442,709
5 NOW
ServiceNow, Inc.
 2,636,657 $275,662,489
6 ADSK
Autodesk, Inc.
 973,496 $233,054,942
7 CWAN
Clearwater Analytics Holdings, Inc.
 8,441,416 $199,639,487
8 PCTY
Paylocity Holding Corp
 1,725,680 $186,442,466

All Filings in RBBN

Export CSV
44 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,218,976 574,989
2026-03-31 $37,736 17,800
2025-12-31 $155,240 53,903
2025-09-30 $211,105 55,554
2025-03-31 $32,536 8,300
2025-03-31 $22,736 5,800
2024-12-31 $550,284 132,280
2024-12-31 $1,248 300
2024-09-30 $975 300
2024-09-30 $15,600 4,800
2024-09-30 $264,082 81,256
2024-06-30 $1,316 400
2024-06-30 $775,383 235,679
2024-03-31 $2,240 700
2024-03-31 $240,640 75,200
2024-03-31 $22,400 7,000
2023-12-31 $204,339 70,462
2023-12-31 $8,120 2,800
2023-09-30 $152,090 56,750
2023-09-30 $36,180 13,500
2023-06-30 $80,910 29,000
2023-06-30 $653,111 234,090
2023-06-30 $37,944 13,600
2023-03-31 $49,932 14,600
2023-03-31 $77,634 22,700
2023-03-31 $1,844,498 539,327
2022-12-31 $558 200
2022-12-31 $6,696 2,400
2022-12-31 $110,302 39,535
2022-09-30 $56,803 25,587
2022-06-30 $85,676 28,183
2022-03-31 $769,240 248,945
2021-12-31 $201,229 33,261
2021-09-30 $96,307 16,105
2021-06-30 $329,513 43,300
2021-06-30 $95,125 12,500
2021-06-30 $520,272 68,367
2021-03-31 $253,689 30,900
2021-03-31 $1,022,145 124,500
2021-03-31 $136,597 16,638
2020-12-31 $97,744 14,900
2020-12-31 $258,464 39,400
2020-06-30 $42,837 10,900
2020-03-31 $232,291 76,664

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