Simplex Trading’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
Q2 | $4.21K | Sell |
1,800
-4,700
| -72% | -$12.4K | ﹤0.01% | 8272 |
|
|
2026
Q1 | $13.8K | Buy |
+6,500
| New | +$15.6K | ﹤0.01% | 7066 |
|
|
2025
Q2 | – | Sell |
-3,500
| Closed | -$13K | – | 9554 |
|
|
2025
Q1 | $13K | Buy |
3,500
+300
| +9% | +$1.26K | ﹤0.01% | 6928 |
|
|
2024
Q4 | $13K | Buy |
3,200
+2,000
| +167% | +$7.55K | ﹤0.01% | 7021 |
|
|
2024
Q3 | $3K | Buy |
+1,200
| New | +$3.89K | ﹤0.01% | 7879 |
|
|
2023
Q4 | – | Sell |
-3,200
| Closed | -$8K | – | 9633 |
|
|
2023
Q3 | $8K | Sell |
3,200
-200
| -6% | -$584 | ﹤0.01% | 7355 |
|
|
2023
Q2 | $9K | Hold |
3,400
| – | – | ﹤0.01% | 7517 |
|
|
2023
Q1 | $11K | Buy |
+3,400
| New | +$12.4K | ﹤0.01% | 7475 |
|
|
2022
Q3 | – | Sell |
-1,600
| Closed | -$4K | – | 10709 |
|
|
2022
Q2 | $4K | Sell |
1,600
-2,800
| -64% | -$8.46K | ﹤0.01% | 9018 |
|
|
2022
Q1 | $13K | Buy |
4,400
+1,700
| +63% | +$6.97K | ﹤0.01% | 8674 |
|
|
2021
Q4 | $16K | Sell |
2,700
-14,100
| -84% | -$83.6K | ﹤0.01% | 8624 |
|
|
2021
Q3 | $128K | Hold |
16,800
| – | – | ﹤0.01% | 6272 |
|
|
2021
Q2 | $127K | Buy |
16,800
+16,684
| +14,383% | +$128K | ﹤0.01% | 6386 |
|
|
2021
Q1 | $95K | Sell |
116
-54
| -32% | -$447 | ﹤0.01% | 5817 |
|
|
2020
Q4 | $111K | Buy |
170
+97
| +133% | +$512 | ﹤0.01% | 5351 |
|
|
2020
Q3 | $28K | Buy |
73
+42
| +135% | +$177 | ﹤0.01% | 6136 |
|
|
2020
Q2 | $12K | Sell |
31
-10
| -24% | -$36 | ﹤0.01% | 6553 |
|
|
2020
Q1 | $12K | Sell |
41
-1
| -2% | -$3 | ﹤0.01% | 6358 |
|
|
2019
Q4 | $13K | Sell |
42
-62
| -60% | -$247 | ﹤0.01% | 6246 |
|
|
2019
Q3 | $60K | Buy |
104
+72
| +225% | +$378 | ﹤0.01% | 4837 |
|
|
2019
Q2 | $15K | Buy |
32
+6
| +23% | +$29 | ﹤0.01% | 5848 |
|
|
2019
Q1 | $13K | Buy |
+26
| New | +$139 | ﹤0.01% | 6000 |
|
|
2018
Q4 | – | Sell |
-9
| Closed | -$6K | – | 7655 |
|
|
2018
Q3 | $6K | Sell |
9
-5
| -36% | -$36 | ﹤0.01% | 6689 |
|
|
2018
Q2 | $9K | Buy |
+14
| New | +$82 | ﹤0.01% | 6411 |
|
|
2017
Q3 | – | Sell |
-47
| Closed | -$3K | – | 6501 |
|
|
2017
Q2 | $3K | Buy |
47
+21
| +81% | +$155 | ﹤0.01% | 5012 |
|
|
2017
Q1 | $1K | Buy |
+26
| New | +$165 | ﹤0.01% | 5754 |
|
|
2016
Q1 | – | Sell |
-37
| Closed | -$8K | – | 6117 |
|
|
2015
Q4 | $8K | Buy |
+37
| New | +$248 | ﹤0.01% | 3526 |
|
|
2015
Q2 | – | Sell |
-44
| Closed | -$1K | – | 5740 |
|
|
2015
Q1 | $1K | Buy |
44
+36
| +450% | +$593 | ﹤0.01% | 4573 |
|
|
2014
Q4 | $7K | Buy |
+8
| New | +$142 | ﹤0.01% | 2868 |
|
Other funds holding RBBN
RA
PCMI
Simplex Trading's RBBN Position: Q2 2026 in Review
Simplex Trading opened a new position in Ribbon Communications (RBBN) in Q2 2026: 73,875 shares worth $173K. The stake represents ﹤0.01% of the portfolio and ranks #4895 among its holdings. This is a return to the name: Simplex Trading previously reported a position in RBBN as recently as Q4 2025.
Simplex Trading first reported a position in RBBN in Q1 2015 and has held it in 35 quarters since. The position peaked at $434K in Q1 2021. 161 funds tracked by Wall St. Rank hold RBBN as of Q2 2026.
- Simplex Trading held 73,875 shares of Ribbon Communications worth $173K as of Q2 2026.
- Ribbon Communications was a new Simplex Trading position in Q2 2026.
- Ribbon Communications made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #4895 holding.
- Simplex Trading first reported a position in Ribbon Communications in Q1 2015 and has held it in 35 quarters since.
- Simplex Trading's Ribbon Communications position peaked at $434K in Q1 2021.
- 161 funds tracked by Wall St. Rank held Ribbon Communications as of Q2 2026.
Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.