Paradigm Capital Management Inc’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 | $17M | Sell |
8,036,335
-286,963
| -3% | -$687K | 0.65% | 27 |
|
|
2025
Q4 | $24M | Sell |
8,323,298
-425,902
| -5% | -$1.37M | 1.01% | 21 |
|
|
2025
Q3 | $33.2M | Buy |
8,749,200
+1,000
| +0% | +$3.93K | 1.44% | 20 |
|
|
2025
Q2 | $35.1M | Sell |
8,748,200
-763,000
| -8% | -$2.75M | 1.71% | 18 |
|
|
2025
Q1 | $37.3M | Sell |
9,511,200
-627,421
| -6% | -$2.64M | 2.07% | 16 |
|
|
2024
Q4 | $42.2M | Sell |
10,138,621
-454,079
| -4% | -$1.71M | 1.95% | 17 |
|
|
2024
Q3 | $34.4M | Buy |
10,592,700
+46,300
| +0.4% | +$150K | 1.53% | 20 |
|
|
2024
Q2 | $34.7M | Buy |
10,546,400
+420,000
| +4% | +$1.28M | 1.58% | 18 |
|
|
2024
Q1 | $32.4M | Buy |
10,126,400
+1,073,800
| +12% | +$3.27M | 1.55% | 20 |
|
|
2023
Q4 | $26.3M | Buy |
9,052,600
+1,557,200
| +21% | +$3.51M | 1.37% | 23 |
|
|
2023
Q3 | $20.1M | Buy |
7,495,400
+477,047
| +7% | +$1.39M | 1.15% | 24 |
|
|
2023
Q2 | $19.6M | Buy |
7,018,353
+340,000
| +5% | +$943K | 1.12% | 25 |
|
|
2023
Q1 | $22.8M | Buy |
6,678,353
+100,453
| +2% | +$367K | 1.51% | 19 |
|
|
2022
Q4 | $18.4M | Sell |
6,577,900
-3,810,045
| -37% | -$9.87M | 1.21% | 24 |
|
|
2022
Q3 | $23.1M | Buy |
10,387,945
+75,023
| +0.7% | +$238K | 1.66% | 21 |
|
|
2022
Q2 | $31.4M | Buy |
10,312,922
+1,828,922
| +22% | +$5.52M | 2.13% | 18 |
|
|
2022
Q1 | $26.2M | Buy |
8,484,000
+7,400
| +0.1% | +$30.3K | 1.42% | 21 |
|
|
2021
Q4 | $51.3M | Sell |
8,476,600
-8,600
| -0.1% | -$51K | 2.29% | 14 |
|
|
2021
Q3 | $50.7M | Buy |
8,485,200
+60,800
| +0.7% | +$411K | 2.61% | 10 |
|
|
2021
Q2 | $64.1M | Buy |
8,424,400
+268,900
| +3% | +$2.06M | 3.08% | 6 |
|
|
2021
Q1 | $67M | Sell |
8,155,500
-226,300
| -3% | -$1.87M | 3.47% | 4 |
|
|
2020
Q4 | $55M | Buy |
8,381,800
+63,600
| +0.8% | +$336K | 3.29% | 4 |
|
|
2020
Q3 | $32.2M | Buy |
8,318,200
+960,600
| +13% | +$4.05M | 2.71% | 8 |
|
|
2020
Q2 | $28.9M | Buy |
7,357,600
+1,247,100
| +20% | +$4.53M | 2.65% | 8 |
|
|
2020
Q1 | $18.5M | Buy |
6,110,500
+6,335
| +0.1% | +$19K | 2.24% | 14 |
|
|
2019
Q4 | $18.9M | Buy |
6,104,165
+2,557,665
| +72% | +$10.2M | 1.46% | 22 |
|
|
2019
Q3 | $20.7M | Buy |
3,546,500
+282,500
| +9% | +$1.48M | 1.85% | 18 |
|
|
2019
Q2 | $16M | Buy |
3,264,000
+463,300
| +17% | +$2.26M | 1.46% | 22 |
|
|
2019
Q1 | $14.4M | Buy |
2,800,700
+576,080
| +26% | +$3.09M | 1.27% | 27 |
|
|
2018
Q4 | $10.7M | Buy |
2,224,620
+1,059,200
| +91% | +$6.14M | 1.05% | 28 |
|
|
2018
Q3 | $7.96M | Buy |
1,165,420
+79,600
| +7% | +$567K | 0.63% | 43 |
|
|
2018
Q2 | $7.73M | Buy |
1,085,820
+1,000,820
| +1,177% | +$5.86M | 0.62% | 46 |
|
|
2018
Q1 | $433K | Buy |
85,000
+61,000
| +254% | +$395K | 0.04% | 132 |
|
|
2017
Q4 | $186K | Sell |
24,000
-100
| -0.4% | -$768 | 0.02% | 154 |
|
|
2017
Q3 | $184K | Buy |
24,100
+100
| +0.4% | +$715 | 0.02% | 157 |
|
|
2017
Q2 | $179K | Hold |
24,000
| – | – | 0.02% | 156 |
|
|
2017
Q1 | $158K | Hold |
24,000
| – | – | 0.01% | 164 |
|
|
2016
Q4 | $151K | Sell |
24,000
-1,000
| -4% | -$6.57K | 0.01% | 165 |
|
|
2016
Q3 | $194K | Hold |
25,000
| – | – | 0.02% | 165 |
|
|
2016
Q2 | $217K | Hold |
25,000
| – | – | 0.03% | 165 |
|
|
2016
Q1 | $188K | Hold |
25,000
| – | – | 0.02% | 172 |
|
|
2015
Q4 | $178K | Hold |
25,000
| – | – | 0.02% | 190 |
|
|
2015
Q3 | $143K | Buy |
25,000
+8,000
| +47% | +$53.9K | 0.02% | 202 |
|
|
2015
Q2 | $118K | Buy |
+17,000
| New | +$133K | 0.01% | 216 |
|
|
2015
Q1 | – | Sell |
-6,000
| Closed | -$119K | – | 228 |
|
|
2014
Q4 | $119K | Hold |
6,000
| – | – | 0.01% | 216 |
|
|
2014
Q3 | $103K | Hold |
6,000
| – | – | 0.01% | 245 |
|
|
2014
Q2 | $108K | Hold |
6,000
| – | – | 0.01% | 243 |
|
|
2014
Q1 | $101K | Hold |
6,000
| – | – | 0.01% | 235 |
|
|
2013
Q4 | $94K | Hold |
6,000
| – | – | 0.01% | 260 |
|
|
2013
Q3 | $101K | Hold |
6,000
| – | – | 0.01% | 245 |
|
|
2013
Q2 | $90K | Buy |
+6,000
| New | +$80.1K | ﹤0.01% | 236 |
|
Other funds holding RBBN
RA
VCM
VPM
Paradigm Capital Management Inc's RBBN Position: Q1 2026 in Review
Paradigm Capital Management Inc reduced its Ribbon Communications (RBBN) stake by 3.4% in Q1 2026, selling an estimated $687K and leaving 8,036,335 shares worth $17M. The position accounts for 0.65% of the portfolio, ranked #27.
Paradigm Capital Management Inc first reported a position in RBBN in Q2 2013 and has held it in 51 quarters since. The position peaked at $67M in Q1 2021. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.
- Paradigm Capital Management Inc held 8,036,335 shares of Ribbon Communications worth $17M as of Q1 2026.
- Paradigm Capital Management Inc sold 286,963 Ribbon Communications shares in Q1 2026, an estimated $687K.
- Ribbon Communications made up 0.65% of Paradigm Capital Management Inc's portfolio in Q1 2026, its #27 holding.
- Paradigm Capital Management Inc first reported a position in Ribbon Communications in Q2 2013 and has held it in 51 quarters since.
- Paradigm Capital Management Inc's Ribbon Communications position peaked at $67M in Q1 2021.
- 150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.
Based on Paradigm Capital Management Inc's 13F filing for Q1 2026, filed 14 May 2026.