AllianceBernstein’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
$346K Buy
120,149
+899
+0.8% +$2.15K ﹤0.01% 2818
2025
Q4
$343K Sell
119,250
-67
-0.1% -$216 ﹤0.01% 2843
2025
Q3
$453K Buy
119,317
+6,000
+5% +$23.6K ﹤0.01% 2731
2025
Q2
$454K Buy
113,317
+14,430
+15% +$52K ﹤0.01% 2698
2025
Q1
$388K Sell
98,887
-70
-0.1% -$295 ﹤0.01% 2652
2024
Q4
$412K Sell
98,957
-4,153
-4% -$15.7K ﹤0.01% 2724
2024
Q3
$335K Sell
103,110
-59
-0.1% -$191 ﹤0.01% 2865
2024
Q2
$339K Buy
103,169
+15,879
+18% +$48.3K ﹤0.01% 2867
2024
Q1
$279K Sell
87,290
-10
-0% -$30 ﹤0.01% 2825
2023
Q4
$253K Buy
87,300
+4,558
+6% +$10.3K ﹤0.01% 2912
2023
Q3
$222K Buy
82,742
+9,184
+12% +$26.8K ﹤0.01% 2921
2023
Q2
$205K Buy
73,558
+18,433
+33% +$51.1K ﹤0.01% 2974
2023
Q1
$189K Buy
55,125
+2,272
+4% +$8.3K ﹤0.01% 2922
2022
Q4
$147K Buy
52,853
+8,505
+19% +$22K ﹤0.01% 3070
2022
Q3
$98K Buy
44,348
+2,600
+6% +$8.23K ﹤0.01% 3124
2022
Q2
$127K Buy
41,748
+14,437
+53% +$43.6K ﹤0.01% 3100
2022
Q1
$84K Buy
27,311
+160
+0.6% +$656 ﹤0.01% 3129
2021
Q4
$164K Buy
27,151
+3
+0% +$18 ﹤0.01% 3123
2021
Q3
$162K Sell
27,148
-50
-0.2% -$338 ﹤0.01% 3124
2021
Q2
$207K Sell
27,198
-8,888
-25% -$68K ﹤0.01% 3148
2021
Q1
$296K Sell
36,086
-19,732
-35% -$163K ﹤0.01% 2912
2020
Q4
$366K Sell
55,818
-23,439
-30% -$124K ﹤0.01% 2751
2020
Q3
$307K Sell
79,257
-18,296
-19% -$77.1K ﹤0.01% 2799
2020
Q2
$383K Buy
97,553
+36,745
+60% +$133K ﹤0.01% 2771
2020
Q1
$184K Buy
60,808
+28,200
+86% +$84.8K ﹤0.01% 2821
2019
Q4
$101K Sell
32,608
-24,700
-43% -$98.3K ﹤0.01% 3037
2019
Q3
$335K Buy
57,308
+5,000
+10% +$26.3K ﹤0.01% 2765
2019
Q2
$256K Buy
52,308
+6,700
+15% +$32.7K ﹤0.01% 2880
2019
Q1
$235K Sell
45,608
-300
-0.7% -$1.61K ﹤0.01% 2858
2018
Q4
$221K Buy
45,908
+5,400
+13% +$31.3K ﹤0.01% 2855
2018
Q3
$277K Buy
40,508
+2,100
+5% +$15K ﹤0.01% 2885
2018
Q2
$273K Sell
38,408
-1,400
-4% -$8.2K ﹤0.01% 2850
2018
Q1
$203K Sell
39,808
-2,600
-6% -$16.8K ﹤0.01% 2851
2017
Q4
$328K Sell
42,408
-1,700
-4% -$13.1K ﹤0.01% 2684
2017
Q3
$337K Sell
44,108
-2,700
-6% -$19.3K ﹤0.01% 2724
2017
Q2
$348K Buy
46,808
+9,200
+24% +$67.8K ﹤0.01% 2757
2017
Q1
$248K Sell
37,608
-2,908
-7% -$18.4K ﹤0.01% 2784
2016
Q4
$255K Sell
40,516
-290,972
-88% -$1.91M ﹤0.01% 2800
2016
Q3
$2.58M Buy
331,488
+155,190
+88% +$1.36M ﹤0.01% 1585
2016
Q2
$1.53M Buy
176,298
+137,290
+352% +$1.14M ﹤0.01% 1936
2016
Q1
$294K Sell
39,008
-7,800
-17% -$52.1K ﹤0.01% 2602
2015
Q4
$334K Sell
46,808
-7,000
-13% -$47K ﹤0.01% 2591
2015
Q3
$308K Sell
53,808
-12,140
-18% -$81.8K ﹤0.01% 2651
2015
Q2
$456K Sell
65,948
-14,861
-18% -$117K ﹤0.01% 2617
2015
Q1
$637K Hold
80,809
﹤0.01% 2393
2014
Q4
$1.6M Hold
80,809
﹤0.01% 1889
2014
Q3
$1.38M Sell
80,809
-5,180
-6% -$98.9K ﹤0.01% 1988
2014
Q2
$1.54M Buy
85,989
+5,375
+7% +$90.9K ﹤0.01% 1966
2014
Q1
$1.36M Buy
80,614
+1,170
+1% +$19.4K ﹤0.01% 1980
2013
Q4
$1.25M Sell
79,444
-3,560
-4% -$55K ﹤0.01% 2025
2013
Q3
$1.4M Sell
83,004
-5,290
-6% -$89.9K ﹤0.01% 1935
2013
Q2
$1.33M Buy
+88,294
New +$1.18M ﹤0.01% 1903

Other funds holding RBBN

AllianceBernstein's RBBN Position: Q1 2026 in Review

AllianceBernstein increased its Ribbon Communications (RBBN) stake by 0.75% in Q1 2026, buying an estimated $2.15K and bringing the position to 120,149 shares worth $346K. The position accounts for ﹤0.01% of the portfolio, ranked #2818.

AllianceBernstein first reported a position in RBBN in Q2 2013 and has held it in 52 quarters since. The position peaked at $2.58M in Q3 2016. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.

  • AllianceBernstein held 120,149 shares of Ribbon Communications worth $346K as of Q1 2026.
  • AllianceBernstein bought 899 Ribbon Communications shares in Q1 2026, an estimated $2.15K.
  • Ribbon Communications made up ﹤0.01% of AllianceBernstein's portfolio in Q1 2026, its #2818 holding.
  • AllianceBernstein first reported a position in Ribbon Communications in Q2 2013 and has held it in 52 quarters since.
  • AllianceBernstein's Ribbon Communications position peaked at $2.58M in Q3 2016.
  • 150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.

Based on AllianceBernstein's 13F filing for Q1 2026, filed 15 May 2026.