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
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 $1.56T 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 Group's RBBN Position: Q1 2026 in Review

UBS Group increased its Ribbon Communications (RBBN) stake by 0.77% in Q1 2026, buying an estimated $3.54K and bringing the position to 192,850 shares worth $409K. The position accounts for ﹤0.01% of the portfolio, ranked #6220.

UBS Group first reported a position in RBBN in Q4 2014 and has held it in 46 quarters since. The position peaked at $2.09M in Q4 2024. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.

  • UBS Group held 192,850 shares of Ribbon Communications worth $409K as of Q1 2026.
  • UBS Group bought 1,480 Ribbon Communications shares in Q1 2026, an estimated $3.54K.
  • Ribbon Communications made up ﹤0.01% of UBS Group's portfolio in Q1 2026, its #6220 holding.
  • UBS Group first reported a position in Ribbon Communications in Q4 2014 and has held it in 46 quarters since.
  • UBS Group's Ribbon Communications position peaked at $2.09M in Q4 2024.
  • 150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.

Based on UBS Group's 13F filing for Q1 2026, filed 5 May 2026.