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

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.