Millennium Management’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 | $1.04M | Buy |
491,320
+437,014
| +805% | +$1.05M | ﹤0.01% | 4364 |
|
|
2025
Q4 | $156K | Buy |
+54,306
| New | +$175K | ﹤0.01% | 5537 |
|
|
2025
Q3 | – | Sell |
-830,148
| Closed | -$3.33M | – | 6391 |
|
|
2025
Q2 | $3.33M | Buy |
830,148
+585,049
| +239% | +$2.11M | ﹤0.01% | 3399 |
|
|
2025
Q1 | $961K | Buy |
245,099
+233,646
| +2,040% | +$985K | ﹤0.01% | 4372 |
|
|
2024
Q4 | $47.6K | Sell |
11,453
-13,918
| -55% | -$52.6K | ﹤0.01% | 5601 |
|
|
2024
Q3 | $82.5K | Sell |
25,371
-11,147
| -31% | -$36.2K | ﹤0.01% | 5616 |
|
|
2024
Q2 | $120K | Sell |
36,518
-25,038
| -41% | -$76.1K | ﹤0.01% | 5274 |
|
|
2024
Q1 | $197K | Sell |
61,556
-6,475
| -10% | -$19.7K | ﹤0.01% | 5380 |
|
|
2023
Q4 | $197K | Sell |
68,031
-34,466
| -34% | -$77.6K | ﹤0.01% | 5182 |
|
|
2023
Q3 | $275K | Sell |
102,497
-81,754
| -44% | -$239K | ﹤0.01% | 4981 |
|
|
2023
Q2 | $514K | Sell |
184,251
-1,380,030
| -88% | -$3.83M | ﹤0.01% | 4519 |
|
|
2023
Q1 | $5.35M | Buy |
1,564,281
+1,223,536
| +359% | +$4.47M | ﹤0.01% | 2548 |
|
|
2022
Q4 | $951K | Buy |
340,745
+247,112
| +264% | +$640K | ﹤0.01% | 4215 |
|
|
2022
Q3 | $208K | Sell |
93,633
-252,311
| -73% | -$799K | ﹤0.01% | 5635 |
|
|
2022
Q2 | $1.05M | Buy |
345,944
+286,352
| +481% | +$865K | ﹤0.01% | 4320 |
|
|
2022
Q1 | $184K | Buy |
59,592
+10,839
| +22% | +$44.4K | ﹤0.01% | 5858 |
|
|
2021
Q4 | $295K | Buy |
+48,753
| New | +$289K | ﹤0.01% | 5562 |
|
|
2021
Q3 | – | Sell |
-80,439
| Closed | -$612K | – | 7159 |
|
|
2021
Q2 | $612K | Sell |
80,439
-64,573
| -45% | -$494K | ﹤0.01% | 5125 |
|
|
2021
Q1 | $1.19M | Buy |
+145,012
| New | +$1.2M | ﹤0.01% | 4042 |
|
|
2020
Q4 | – | Sell |
-35,091
| Closed | -$136 | – | 5518 |
|
|
2020
Q3 | $136 | Buy |
+35,091
| New | +$148K | ﹤0.01% | 4169 |
|
|
2020
Q2 | – | Sell |
-770,874
| Closed | -$2.34M | – | 4524 |
|
|
2020
Q1 | $2.34M | Buy |
+770,874
| New | +$2.32M | 0.01% | 1906 |
|
|
2019
Q4 | – | Sell |
-127,080
| Closed | -$742K | – | 4561 |
|
|
2019
Q3 | $742K | Buy |
127,080
+33,416
| +36% | +$176K | ﹤0.01% | 3032 |
|
|
2019
Q2 | $458K | Sell |
93,664
-81,447
| -47% | -$398K | ﹤0.01% | 3299 |
|
|
2019
Q1 | $902K | Buy |
175,111
+146,648
| +515% | +$785K | ﹤0.01% | 2925 |
|
|
2018
Q4 | $137K | Sell |
28,463
-60,922
| -68% | -$353K | ﹤0.01% | 3498 |
|
|
2018
Q3 | $610K | Sell |
89,385
-332,269
| -79% | -$2.37M | ﹤0.01% | 3134 |
|
|
2018
Q2 | $3M | Sell |
421,654
-225,007
| -35% | -$1.32M | ﹤0.01% | 2135 |
|
|
2018
Q1 | $3.3M | Buy |
646,661
+468,732
| +263% | +$3.03M | ﹤0.01% | 2039 |
|
|
2017
Q4 | $1.38M | Buy |
177,929
+66,433
| +60% | +$510K | ﹤0.01% | 2507 |
|
|
2017
Q3 | $853K | Buy |
+111,496
| New | +$798K | ﹤0.01% | 2604 |
|
|
2017
Q1 | – | Sell |
-143,733
| Closed | -$906K | – | 3790 |
|
|
2016
Q4 | $906K | Buy |
143,733
+78,479
| +120% | +$516K | ﹤0.01% | 2305 |
|
|
2016
Q3 | $508K | Sell |
65,254
-489,279
| -88% | -$4.28M | ﹤0.01% | 2594 |
|
|
2016
Q2 | $4.82M | Sell |
554,533
-520,793
| -48% | -$4.34M | 0.01% | 1283 |
|
|
2016
Q1 | $8.1M | Buy |
1,075,326
+641,243
| +148% | +$4.29M | 0.02% | 960 |
|
|
2015
Q4 | $3.1M | Buy |
434,083
+196,081
| +82% | +$1.32M | 0.01% | 1658 |
|
|
2015
Q3 | $1.36M | Buy |
+238,002
| New | +$1.6M | ﹤0.01% | 2122 |
|
|
2015
Q2 | – | Sell |
-471,303
| Closed | -$3.71M | – | 3743 |
|
|
2015
Q1 | $3.71M | Buy |
471,303
+322,071
| +216% | +$5.31M | 0.01% | 1583 |
|
|
2014
Q4 | $2.96M | Buy |
149,232
+66,328
| +80% | +$1.17M | 0.01% | 1706 |
|
|
2014
Q3 | $1.42M | Sell |
82,904
-53,480
| -39% | -$1.02M | ﹤0.01% | 2088 |
|
|
2014
Q2 | $2.45M | Sell |
136,384
-46,611
| -25% | -$788K | 0.01% | 1637 |
|
|
2014
Q1 | $3.08M | Buy |
182,995
+99,365
| +119% | +$1.65M | 0.01% | 1493 |
|
|
2013
Q4 | $1.32M | Sell |
83,630
-38,363
| -31% | -$592K | ﹤0.01% | 2101 |
|
|
2013
Q3 | $2.06M | Buy |
121,993
+9,764
| +9% | +$166K | 0.01% | 1664 |
|
|
2013
Q2 | $1.69M | Buy |
+112,229
| New | +$1.5M | 0.01% | 1693 |
|
Other funds holding RBBN
PCMI
RA
VCM
VPM
Millennium Management's RBBN Position: Q1 2026 in Review
Millennium Management increased its Ribbon Communications (RBBN) stake by 805% in Q1 2026, buying an estimated $1.05M and bringing the position to 491,320 shares worth $1.04M. The position accounts for ﹤0.01% of the portfolio, ranked #4364.
Millennium Management first reported a position in RBBN in Q2 2013 and has held it in 44 quarters since. The position peaked at $8.1M in Q1 2016. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.
- Millennium Management held 491,320 shares of Ribbon Communications worth $1.04M as of Q1 2026.
- Millennium Management bought 437,014 Ribbon Communications shares in Q1 2026, an estimated $1.05M.
- Ribbon Communications made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #4364 holding.
- Millennium Management first reported a position in Ribbon Communications in Q2 2013 and has held it in 44 quarters since.
- Millennium Management's Ribbon Communications position peaked at $8.1M in Q1 2016.
- 150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.
Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.