UBS AM
RBBN icon

UBS AM’s Ribbon Communications RBBN Stock Holding History

UBS AM’s Portfolio RBBN Stock Details RBBN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$3.28K Sell
1,547
-211,077
-99% -$505K ﹤0.01% 3524
2025
Q4 		$612K Sell
212,624
-5,762
-3% -$18.6K ﹤0.01% 2280
2025
Q3 		$830K Sell
218,386
-152,464
-41% -$599K ﹤0.01% 2065
2025
Q2 		$1.49M Buy
370,850
+85,201
+30% +$307K ﹤0.01% 2274
2025
Q1 		$1.12M Sell
285,649
-191,219
-40% -$806K ﹤0.01% 2258
2024
Q4 		$1.98M Buy
476,868
+119,266
+33% +$450K ﹤0.01% 2049
2024
Q3 		$1.16M Buy
357,602
+824
+0.2% +$2.67K ﹤0.01% 2323
2024
Q2 		$1.17M Buy
356,778
+179,531
+101% +$546K ﹤0.01% 2293
2024
Q1 		$567K Buy
177,247
+19,684
+12% +$59.9K ﹤0.01% 2247
2023
Q4 		$457K Hold
157,563
– – ﹤0.01% 2345
2023
Q3 		$422K Buy
157,563
+89,023
+130% +$260K ﹤0.01% 2352
2023
Q2 		$234K Hold
68,540
– – ﹤0.01% 2538
2023
Q1 		$234K Buy
68,540
+3,699
+6% +$13.5K ﹤0.01% 2538
2022
Q4 		$181K Sell
64,841
-22,956
-26% -$59.5K ﹤0.01% 2455
2022
Q3 		$195K Hold
87,797
– – ﹤0.01% 2611
2022
Q2 		$267K Sell
87,797
-49
-0.1% -$148 ﹤0.01% 2505
2022
Q1 		$271K Buy
87,846
+1,216
+1% +$4.98K ﹤0.01% 2618
2021
Q4 		$524K Buy
86,630
+1,916
+2% +$11.4K ﹤0.01% 2538
2021
Q3 		$507K Buy
84,714
+1,035
+1% +$6.99K ﹤0.01% 2496
2021
Q2 		$637K Buy
83,679
+18,557
+28% +$142K ﹤0.01% 2439
2021
Q1 		$535K Sell
65,122
-18,471
-22% -$153K ﹤0.01% 2366
2020
Q4 		$548K Sell
83,593
-19,589
-19% -$103K ﹤0.01% 2271
2020
Q3 		$399K Buy
103,182
+1,118
+1% +$4.71K ﹤0.01% 2227
2020
Q2 		$401K Buy
102,064
+35,517
+53% +$129K ﹤0.01% 2201
2020
Q1 		$202K Buy
66,547
+21,714
+48% +$65.3K ﹤0.01% 2278
2019
Q4 		$139K Hold
44,833
– – ﹤0.01% 2499
2019
Q3 		$262K Hold
44,833
– – ﹤0.01% 2492
2019
Q2 		$219K Buy
44,833
+8,367
+23% +$40.9K ﹤0.01% 2513
2019
Q1 		$188K Buy
36,466
+11,608
+47% +$62.2K ﹤0.01% 2478
2018
Q4 		$120K Hold
24,858
– – ﹤0.01% 2500
2018
Q3 		$170K Hold
24,858
– – ﹤0.01% 2480
2018
Q2 		$177K Buy
24,858
+12,800
+106% +$75K ﹤0.01% 2499
2018
Q1 		$61.5K Hold
12,058
– – ﹤0.01% 2483
2017
Q4 		$93.2K Hold
12,058
– – ﹤0.01% 2406
2017
Q3 		$92.2K Hold
12,058
– – ﹤0.01% 2370
2017
Q2 		$89.7K Hold
12,058
– – ﹤0.01% 2350
2017
Q1 		$79.5K Hold
12,058
– – ﹤0.01% 2319
2016
Q4 		$76K Sell
12,058
-12,500
-51% -$82.1K ﹤0.01% 2279
2016
Q3 		$191K Hold
24,558
– – ﹤0.01% 2472
2016
Q2 		$213K Hold
24,558
– – ﹤0.01% 2413
2016
Q1 		$185K Sell
24,558
-24,673
-50% -$165K ﹤0.01% 2452
2015
Q4 		$351K Buy
49,231
+24,673
+100% +$166K ﹤0.01% 2265
2015
Q3 		$140K Hold
24,558
– – ﹤0.01% 2561
2015
Q2 		$170K Buy
24,558
+7,900
+47% +$61.9K ﹤0.01% 2619
2015
Q1 		$131K Buy
16,658
+1,099
+7% +$18.1K ﹤0.01% 2563
2014
Q4 		$309K Hold
15,559
– – ﹤0.01% 2216
2014
Q3 		$266K Hold
15,559
– – ﹤0.01% 2214
2014
Q2 		$279K Hold
15,559
– – ﹤0.01% 2227
2014
Q1 		$262K Hold
15,559
– – ﹤0.01% 2268
2013
Q4 		$245K Buy
15,559
+1,640
+12% +$25.3K ﹤0.01% 2268
2013
Q3 		$235K Buy
13,919
+7,560
+119% +$128K ﹤0.01% 2240
2013
Q2 		$96K Buy
+6,359
New +$84.9K ﹤0.01% 2406

Other funds holding RBBN

JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
PCMI
Paradigm Capital Management Inc Albany, New York $2.61B AUM 78.58% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $43.4B AUM 51.29% 1-Year Est. Return

UBS AM's RBBN Position: Q1 2026 in Review

UBS AM reduced its Ribbon Communications (RBBN) stake by 99% in Q1 2026, selling an estimated $505K and leaving 1,547 shares worth $3.28K. The position accounts for ﹤0.01% of the portfolio, ranked #3524.

UBS AM first reported a position in RBBN in Q2 2013 and has held it in 52 quarters since. The position peaked at $1.98M in Q4 2024. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.

  • UBS AM held 1,547 shares of Ribbon Communications worth $3.28K as of Q1 2026.
  • UBS AM sold 211,077 Ribbon Communications shares in Q1 2026, an estimated $505K.
  • Ribbon Communications made up ﹤0.01% of UBS AM's portfolio in Q1 2026, its #3524 holding.
  • UBS AM first reported a position in Ribbon Communications in Q2 2013 and has held it in 52 quarters since.
  • UBS AM's Ribbon Communications position peaked at $1.98M in Q4 2024.
  • 150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.

Based on UBS AM's 13F filing for Q1 2026, filed 13 May 2026.