Lazard Asset Management
RBBN icon

Lazard Asset Management’s Ribbon Communications RBBN Stock Holding History

Lazard 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
2025
Q4 		– Sell
-208,956
Closed -$794K – 2005
2025
Q3 		$794K Buy
+208,956
New +$821K ﹤0.01% 1213
2025
Q2 		– Sell
-72,268
Closed -$283K – 2488
2025
Q1 		$283K Buy
72,268
+19,680
+37% +$82.9K ﹤0.01% 1548
2024
Q4 		$218K Buy
52,588
+42,115
+402% +$159K ﹤0.01% 1587
2024
Q3 		$34K Buy
+10,473
New +$34K ﹤0.01% 1964
2023
Q1 		– Sell
-14,825
Closed -$41K – 2501
2022
Q4 		$41K Hold
14,825
– – ﹤0.01% 1905
2022
Q3 		$32K Hold
14,825
– – ﹤0.01% 1971
2022
Q2 		$45K Hold
14,825
– – ﹤0.01% 1864
2022
Q1 		$45K Hold
14,825
– – ﹤0.01% 1794
2021
Q4 		$89K Buy
+14,825
New +$87.9K ﹤0.01% 1485
2021
Q2 		– Sell
-11,966
Closed -$98K – 2049
2021
Q1 		$98K Hold
11,966
– – ﹤0.01% 1209
2020
Q4 		$78K Buy
+11,966
New +$63.2K ﹤0.01% 1246
2019
Q4 		– Sell
-431
Closed -$2K – 1642
2019
Q3 		$2K Buy
+431
New +$2.26K ﹤0.01% 1409

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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

Lazard Asset Management's RBBN Position: Q4 2025 in Review

Lazard Asset Management sold out of Ribbon Communications (RBBN) in Q4 2025, closing a stake of 208,956 shares — an estimated $794K sold.

Lazard Asset Management first reported a position in RBBN in Q3 2019 and held it in 12 quarters. The position peaked at $794K in Q3 2025. 153 funds tracked by Wall St. Rank hold RBBN as of Q4 2025.

  • Lazard Asset Management reported no remaining Ribbon Communications position as of Q4 2025 after selling out during the quarter.
  • Lazard Asset Management sold 208,956 Ribbon Communications shares in Q4 2025, an estimated $794K.
  • Lazard Asset Management first reported a position in Ribbon Communications in Q3 2019 and held it in 12 quarters.
  • Lazard Asset Management's Ribbon Communications position peaked at $794K in Q3 2025.
  • 153 funds tracked by Wall St. Rank held Ribbon Communications as of Q4 2025.

Based on Lazard Asset Management's 13F filing for Q4 2025, filed 17 Feb 2026.