UBS Group
RBBN icon

UBS Group’s Ribbon Communications RBBN Stock Holding History

UBS Group’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 		$331K Sell
141,500
-100
-0.1% -$264 ﹤0.01% 6481
2026
Q1 		$300K Hold
141,600
– – ﹤0.01% 6404
2025
Q4 		$408K Buy
141,600
+200
+0.1% +$645 ﹤0.01% 6198
2025
Q3 		$537K Hold
141,400
– – ﹤0.01% 6039
2025
Q2 		$567K Hold
141,400
– – ﹤0.01% 5905
2025
Q1 		$554K Hold
141,400
– – ﹤0.01% 5767
2024
Q4 		$588K Hold
141,400
– – ﹤0.01% 5724
2024
Q3 		$460K Buy
+141,400
New +$459K ﹤0.01% 5287
2015
Q1 		– Sell
-200
Closed -$4K – 9259
2014
Q4 		$4K Buy
+200
New +$3.54K ﹤0.01% 9121

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

UBS Group's RBBN Position: Q2 2026 in Review

UBS Group reduced its Ribbon Communications (RBBN) stake by 14% in Q2 2026, selling an estimated $72.5K and leaving 165,372 shares worth $387K. The position accounts for ﹤0.01% of the portfolio, ranked #6403.

UBS Group first reported a position in RBBN in Q4 2014 and has held it in 47 quarters since. The position peaked at $2.09M in Q4 2024. 160 funds tracked by Wall St. Rank hold RBBN as of Q2 2026.

  • UBS Group held 165,372 shares of Ribbon Communications worth $387K as of Q2 2026.
  • UBS Group sold 27,478 Ribbon Communications shares in Q2 2026, an estimated $72.5K.
  • Ribbon Communications made up ﹤0.01% of UBS Group's portfolio in Q2 2026, its #6403 holding.
  • UBS Group first reported a position in Ribbon Communications in Q4 2014 and has held it in 47 quarters since.
  • UBS Group's Ribbon Communications position peaked at $2.09M in Q4 2024.
  • 160 funds tracked by Wall St. Rank held Ribbon Communications as of Q2 2026.

Based on UBS Group's 13F filing for Q2 2026, filed 13 Aug 2026.