Citadel Advisors’s Ribbon Communications RBBN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $37.7K | Buy |
+17,800
| New | +$42.6K | ﹤0.01% | 12511 |
|
|
2025
Q2 | – | Sell |
-5,800
| Closed | -$22.7K | – | 14629 |
|
|
2025
Q1 | $22.7K | Buy |
+5,800
| New | +$24.4K | ﹤0.01% | 13050 |
|
|
2024
Q4 | – | Sell |
-4,800
| Closed | -$15.6K | – | 15230 |
|
|
2024
Q3 | $15.6K | Buy |
+4,800
| New | +$15.6K | ﹤0.01% | 12962 |
|
|
2024
Q2 | – | Sell |
-7,000
| Closed | -$22.4K | – | 15198 |
|
|
2024
Q1 | $22.4K | Buy |
+7,000
| New | +$21.3K | ﹤0.01% | 12931 |
|
|
2023
Q4 | – | Sell |
-13,500
| Closed | -$36.2K | – | 15069 |
|
|
2023
Q3 | $36.2K | Sell |
13,500
-100
| -0.7% | -$292 | ﹤0.01% | 12122 |
|
|
2023
Q2 | $37.9K | Sell |
13,600
-1,000
| -7% | -$2.77K | ﹤0.01% | 12112 |
|
|
2023
Q1 | $49.9K | Buy |
14,600
+12,200
| +508% | +$44.6K | ﹤0.01% | 12142 |
|
|
2022
Q4 | $6.7K | Buy |
+2,400
| New | +$6.22K | ﹤0.01% | 13892 |
|
|
2021
Q3 | – | Sell |
-43,300
| Closed | -$330K | – | 14496 |
|
|
2021
Q2 | $330K | Buy |
43,300
+12,400
| +40% | +$94.9K | ﹤0.01% | 11036 |
|
|
2021
Q1 | $254K | Buy |
30,900
+16,000
| +107% | +$132K | ﹤0.01% | 11199 |
|
|
2020
Q4 | $98K | Buy |
+14,900
| New | +$78.7K | ﹤0.01% | 10234 |
|
|
2020
Q3 | – | Sell |
-10,900
| Closed | -$43K | – | 10621 |
|
|
2020
Q2 | $43K | Buy |
+10,900
| New | +$39.6K | ﹤0.01% | 9366 |
|
|
2017
Q3 | – | Sell |
-14,200
| Closed | -$106K | – | 7938 |
|
|
2017
Q2 | $106K | Sell |
14,200
-4,000
| -22% | -$29.5K | ﹤0.01% | 6882 |
|
|
2017
Q1 | $120K | Buy |
+18,200
| New | +$115K | ﹤0.01% | 6788 |
|
|
2016
Q3 | – | Sell |
-18,100
| Closed | -$157K | – | 7658 |
|
|
2016
Q2 | $157K | Sell |
18,100
-23,200
| -56% | -$193K | ﹤0.01% | 5995 |
|
|
2016
Q1 | $311K | Buy |
41,300
+8,000
| +24% | +$53.5K | ﹤0.01% | 5054 |
|
|
2015
Q4 | $237K | Buy |
33,300
+900
| +3% | +$6.04K | ﹤0.01% | 5563 |
|
|
2015
Q3 | $185K | Buy |
32,400
+23,700
| +272% | +$160K | ﹤0.01% | 6253 |
|
|
2015
Q2 | $60K | Buy |
8,700
+100
| +1% | +$784 | ﹤0.01% | 7534 |
|
|
2015
Q1 | $68K | Buy |
8,600
+4,600
| +115% | +$75.8K | ﹤0.01% | 7167 |
|
|
2014
Q4 | $79K | Buy |
+4,000
| New | +$70.8K | ﹤0.01% | 6851 |
|
|
2014
Q3 | – | Sell |
-600
| Closed | -$11K | – | 8348 |
|
|
2014
Q2 | $11K | Sell |
600
-1,000
| -63% | -$16.9K | ﹤0.01% | 7550 |
|
|
2014
Q1 | $27K | Sell |
1,600
-3,340
| -68% | -$55.5K | ﹤0.01% | 7145 |
|
|
2013
Q4 | $78K | Sell |
4,940
-2,680
| -35% | -$41.4K | ﹤0.01% | 5791 |
|
|
2013
Q3 | $129K | Sell |
7,620
-200
| -3% | -$3.4K | ﹤0.01% | 5159 |
|
|
2013
Q2 | $118K | Buy |
+7,820
| New | +$104K | ﹤0.01% | 5096 |
|
Other funds holding RBBN
PCMI
RA
VCM
VPM
Citadel Advisors's RBBN Position: Q1 2026 in Review
Citadel Advisors increased its Ribbon Communications (RBBN) stake by 967% in Q1 2026, buying an estimated $1.25M and bringing the position to 574,989 shares worth $1.22M. The position accounts for ﹤0.01% of the portfolio, ranked #7220.
Citadel Advisors first reported a position in RBBN in Q2 2013 and has held it in 45 quarters since. The position peaked at $2.4M in Q4 2014. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.
- Citadel Advisors held 574,989 shares of Ribbon Communications worth $1.22M as of Q1 2026.
- Citadel Advisors bought 521,086 Ribbon Communications shares in Q1 2026, an estimated $1.25M.
- Ribbon Communications made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #7220 holding.
- Citadel Advisors first reported a position in Ribbon Communications in Q2 2013 and has held it in 45 quarters since.
- Citadel Advisors's Ribbon Communications position peaked at $2.4M in Q4 2014.
- 150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.