Silverberg Bernstein Capital Management’s Ribbon Communications RBBN Stock Holding History

Silverberg Bernstein Capital 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	$980K	Sell	418,823 -19,300	-4%	-$50.9K	0.38%	39
2026 Q1	$929K	Buy	438,123 +2,100	+0.5%	+$5.03K	0.51%	36
2025 Q4	$1.26M	Buy	436,023 +8,044	+2%	+$26K	0.73%	35
2025 Q3	$1.63M	Buy	427,979 +35,400	+9%	+$139K	0.99%	31
2025 Q2	$1.57M	Buy	392,579 +98,996	+34%	+$357K	1.08%	27
2025 Q1	$1.15M	Sell	293,583 -22,527	-7%	-$94.9K	1.07%	26
2024 Q4	$1.32M	Sell	316,110 -49,900	-14%	-$188K	1.16%	22
2024 Q3	$1.19M	Sell	366,010 -26,001	-7%	-$84.4K	1.09%	23
2024 Q2	$1.29M	Sell	392,011 -4,600	-1%	-$14K	1.25%	21
2024 Q1	$1.27M	Sell	396,611 -8,982	-2%	-$27.3K	1.24%	20
2023 Q4	$1.18M	Buy	+405,593	New	+$914K	1.12%	23

Other funds holding RBBN

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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 Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $52.8B AUM 58.98% 1-Year Est. Return

Silverberg Bernstein Capital Management's RBBN Position: Q2 2026 in Review

Silverberg Bernstein Capital Management reduced its Ribbon Communications (RBBN) stake by 4.4% in Q2 2026, selling an estimated $50.9K and leaving 418,823 shares worth $980K. The position accounts for 0.38% of the portfolio, ranked #39.

Silverberg Bernstein Capital Management first reported a position in RBBN in Q4 2023 and has held it in 11 quarters since. The position peaked at $1.63M in Q3 2025. 160 funds tracked by Wall St. Rank hold RBBN as of Q2 2026.

Silverberg Bernstein Capital Management held 418,823 shares of Ribbon Communications worth $980K as of Q2 2026.
Silverberg Bernstein Capital Management sold 19,300 Ribbon Communications shares in Q2 2026, an estimated $50.9K.
Ribbon Communications made up 0.38% of Silverberg Bernstein Capital Management's portfolio in Q2 2026, its #39 holding.
Silverberg Bernstein Capital Management first reported a position in Ribbon Communications in Q4 2023 and has held it in 11 quarters since.
Silverberg Bernstein Capital Management's Ribbon Communications position peaked at $1.63M in Q3 2025.
160 funds tracked by Wall St. Rank held Ribbon Communications as of Q2 2026.

Based on Silverberg Bernstein Capital Management's 13F filing for Q2 2026, filed 7 Jul 2026.