Assenagon Asset Management
RBBN icon

Assenagon Asset Management’s Ribbon Communications RBBN Stock Holding History

Assenagon Asset Management’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
Q2 		$88.7K Hold
37,927
– – ﹤0.01% 1153
2026
Q1 		$80.4K Sell
37,927
-2,428
-6% -$5.81K ﹤0.01% 1089
2025
Q4 		$116K Sell
40,355
-10,288
-20% -$33.2K ﹤0.01% 1131
2025
Q3 		$192K Sell
50,643
-19,480
-28% -$76.5K ﹤0.01% 1131
2025
Q2 		$281K Sell
70,123
-8,207
-10% -$29.6K ﹤0.01% 1092
2025
Q1 		$307K Sell
78,330
-42,624
-35% -$180K ﹤0.01% 1076
2024
Q4 		$503K Sell
120,954
-9,030
-7% -$34.1K ﹤0.01% 1201
2024
Q3 		$422K Buy
129,984
+20,826
+19% +$67.6K ﹤0.01% 1263
2024
Q2 		$359K Sell
109,158
-50,856
-32% -$155K ﹤0.01% 1295
2024
Q1 		$512K Buy
160,014
+26,571
+20% +$80.8K ﹤0.01% 1204
2023
Q4 		$387K Buy
+133,443
New +$301K ﹤0.01% 1287
2023
Q3 		– Sell
-70,466
Closed -$197K – 1453
2023
Q2 		$197K Sell
70,466
-114,885
-62% -$319K ﹤0.01% 1288
2023
Q1 		$634K Buy
185,351
+120,874
+187% +$442K ﹤0.01% 1171
2022
Q4 		$180K Buy
64,477
+47,537
+281% +$123K ﹤0.01% 1318
2022
Q3 		$38K Sell
16,940
-182,858
-92% -$579K ﹤0.01% 1312
2022
Q2 		$607K Sell
199,798
-59,003
-23% -$178K ﹤0.01% 1194
2022
Q1 		$800K Buy
258,801
+207,150
+401% +$849K ﹤0.01% 1112
2021
Q4 		$312K Buy
+51,651
New +$306K ﹤0.01% 1292
2021
Q2 		– Sell
-107,083
Closed -$879K – 1374
2021
Q1 		$879K Hold
107,083
– – ﹤0.01% 948
2020
Q4 		$702K Buy
+107,083
New +$565K ﹤0.01% 798
2019
Q4 		– Sell
-205,869
Closed -$1.2M – 905
2019
Q3 		$1.2M Buy
205,869
+183,045
+802% +$962K 0.01% 508
2019
Q2 		$112K Buy
22,824
+342
+2% +$1.67K ﹤0.01% 963
2019
Q1 		$116K Sell
22,482
-32,951
-59% -$176K ﹤0.01% 904
2018
Q4 		$267K Buy
+55,433
New +$321K ﹤0.01% 933

Other funds holding RBBN

JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
PCMI
Paradigm Capital Management Inc Albany, New York $3.67B AUM 121.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $52.8B AUM 58.98% 1-Year Est. Return

Assenagon Asset Management's RBBN Position: Q2 2026 in Review

Assenagon Asset Management held its Ribbon Communications (RBBN) position steady in Q2 2026 at 37,927 shares worth $88.7K. The position accounts for ﹤0.01% of the portfolio, ranked #1153.

Assenagon Asset Management first reported a position in RBBN in Q4 2018 and has held it in 24 quarters since. The position peaked at $1.2M in Q3 2019. 160 funds tracked by Wall St. Rank hold RBBN as of Q2 2026.

  • Assenagon Asset Management held 37,927 shares of Ribbon Communications worth $88.7K as of Q2 2026.
  • Assenagon Asset Management left its Ribbon Communications share count unchanged in Q2 2026.
  • Ribbon Communications made up ﹤0.01% of Assenagon Asset Management's portfolio in Q2 2026, its #1153 holding.
  • Assenagon Asset Management first reported a position in Ribbon Communications in Q4 2018 and has held it in 24 quarters since.
  • Assenagon Asset Management's Ribbon Communications position peaked at $1.2M in Q3 2019.
  • 160 funds tracked by Wall St. Rank held Ribbon Communications as of Q2 2026.

Based on Assenagon Asset Management's 13F filing for Q2 2026, filed 8 Jul 2026.