PA
RBBN icon

Parallel Advisors’s Ribbon Communications RBBN Stock Holding History

Parallel Advisors’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 		– Sell
-207
Closed -$596 – 3939
2025
Q4 		$596 Buy
+207
New +$668 ﹤0.01% 3377
2025
Q1 		– Sell
-97
Closed -$404 – 3637
2024
Q4 		$404 Buy
+97
New +$366 ﹤0.01% 3261
2024
Q2 		– Sell
-10
Closed -$32 – 3402
2024
Q1 		$32 Buy
+10
New +$30 ﹤0.01% 3245
2022
Q3 		– Sell
-1,932
Closed -$6K – 3427
2022
Q2 		$6K Buy
+1,932
New +$5.83K ﹤0.01% 2204
2022
Q1 		– Sell
-562
Closed -$3K – 3216
2021
Q4 		$3K Hold
562
– – ﹤0.01% 2605
2021
Q3 		$3K Hold
562
– – ﹤0.01% 2588
2021
Q2 		$4K Hold
562
– – ﹤0.01% 2388
2021
Q1 		$5K Sell
562
-154
-22% -$1.27K ﹤0.01% 2204
2020
Q4 		$5K Hold
716
– – ﹤0.01% 2043
2020
Q3 		$3K Hold
716
– – ﹤0.01% 2212
2020
Q2 		$2K Sell
716
-347
-33% -$1.26K ﹤0.01% 2226
2020
Q1 		$3K Sell
1,063
-56
-5% -$168 ﹤0.01% 2049
2019
Q4 		$3K Buy
+1,119
New +$4.45K ﹤0.01% 2133

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

Parallel Advisors's RBBN Position: Q1 2026 in Review

Parallel Advisors sold out of Ribbon Communications (RBBN) in Q1 2026, closing a stake of 207 shares — an estimated $596 sold.

Parallel Advisors first reported a position in RBBN in Q4 2019 and held it in 13 quarters. The position peaked at $6K in Q2 2022. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.

  • Parallel Advisors reported no remaining Ribbon Communications position as of Q1 2026 after selling out during the quarter.
  • Parallel Advisors sold 207 Ribbon Communications shares in Q1 2026, an estimated $596.
  • Parallel Advisors first reported a position in Ribbon Communications in Q4 2019 and held it in 13 quarters.
  • Parallel Advisors's Ribbon Communications position peaked at $6K in Q2 2022.
  • 150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.

Based on Parallel Advisors's 13F filing for Q1 2026, filed 7 May 2026.