OP Asset Management’s Ribbon Communications RBBN Stock Holding History

OP Asset 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 Q1	$438K	Buy	+206,802	New	+$495K	﹤0.01%	680

Other funds holding RBBN

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

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 New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

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 Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $43.4B AUM 51.29% 1-Year Est. Return

OP Asset Management's RBBN Position: Q1 2026 in Review

OP Asset Management opened a new position in Ribbon Communications (RBBN) in Q1 2026: 206,802 shares worth $438K. The stake represents ﹤0.01% of the portfolio and ranks #680 among its holdings.

150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.

OP Asset Management held 206,802 shares of Ribbon Communications worth $438K as of Q1 2026.
Ribbon Communications was a new OP Asset Management position in Q1 2026.
Ribbon Communications made up ﹤0.01% of OP Asset Management's portfolio in Q1 2026, its #680 holding.
150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.

Based on OP Asset Management's 13F filing for Q1 2026, filed 9 Apr 2026.