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First Wilshire Securities Management’s Ribbon Communications RBBN Stock Holding History

First Wilshire Securities 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 		$3.29M Sell
1,404,493
-2,685
-0.2% -$7.09K 0.68% 33
2026
Q1 		$2.98M Buy
1,407,178
+139,592
+11% +$334K 0.67% 33
2025
Q4 		$3.65M Sell
1,267,586
-37,772
-3% -$122K 0.92% 34
2025
Q3 		$4.96M Sell
1,305,358
-25,842
-2% -$102K 1.32% 24
2025
Q2 		$5.34M Sell
1,331,200
-6,014
-0.4% -$21.7K 1.45% 20
2025
Q1 		$5.24M Buy
1,337,214
+2,741
+0.2% +$11.6K 1.5% 23
2024
Q4 		$5.55M Buy
1,334,473
+164,738
+14% +$622K 1.51% 22
2024
Q3 		$3.8M Buy
1,169,735
+50
+0% +$162 1.07% 24
2024
Q2 		$3.85M Sell
1,169,685
-4,670
-0.4% -$14.2K 1.18% 22
2024
Q1 		$3.76M Sell
1,174,355
-4,993
-0.4% -$15.2K 1.1% 26
2023
Q4 		$3.42M Sell
1,179,348
-584,624
-33% -$1.32M 1.11% 28
2023
Q3 		$4.73M Sell
1,763,972
-43,881
-2% -$128K 1.62% 23
2023
Q2 		$5.04M Buy
1,807,853
+23,270
+1% +$64.6K 1.73% 21
2023
Q1 		$6.1M Buy
1,784,583
+1,332
+0.1% +$4.87K 2.08% 16
2022
Q4 		$4.97M Sell
1,783,251
-45,885
-3% -$119K 1.74% 17
2022
Q3 		$4.06M Buy
1,829,136
+383,941
+27% +$1.22M 1.64% 19
2022
Q2 		$4.39M Sell
1,445,195
-10,170
-0.7% -$30.7K 1.64% 16
2022
Q1 		$4.5M Buy
1,455,365
+1,023,449
+237% +$4.19M 1.58% 17
2021
Q4 		$2.61M Buy
+431,916
New +$2.56M 0.81% 25

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

First Wilshire Securities Management's RBBN Position: Q2 2026 in Review

First Wilshire Securities Management reduced its Ribbon Communications (RBBN) stake by 0.19% in Q2 2026, selling an estimated $7.09K and leaving 1,404,493 shares worth $3.29M. The position accounts for 0.68% of the portfolio, ranked #33.

First Wilshire Securities Management first reported a position in RBBN in Q4 2021 and has held it in 19 quarters since. The position peaked at $6.1M in Q1 2023. 160 funds tracked by Wall St. Rank hold RBBN as of Q2 2026.

  • First Wilshire Securities Management held 1,404,493 shares of Ribbon Communications worth $3.29M as of Q2 2026.
  • First Wilshire Securities Management sold 2,685 Ribbon Communications shares in Q2 2026, an estimated $7.09K.
  • Ribbon Communications made up 0.68% of First Wilshire Securities Management's portfolio in Q2 2026, its #33 holding.
  • First Wilshire Securities Management first reported a position in Ribbon Communications in Q4 2021 and has held it in 19 quarters since.
  • First Wilshire Securities Management's Ribbon Communications position peaked at $6.1M in Q1 2023.
  • 160 funds tracked by Wall St. Rank held Ribbon Communications as of Q2 2026.

Based on First Wilshire Securities Management's 13F filing for Q2 2026, filed 14 Aug 2026.