Vanguard Capital Management
RBBN icon

Vanguard Capital Management’s Ribbon Communications RBBN Stock Holding History

Vanguard 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 		$9.19M Sell
3,925,626
-290,833
-7% -$768K ﹤0.01% 2866
2026
Q1 		$8.94M Buy
+4,216,459
New +$10.1M ﹤0.01% 2792

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 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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management's RBBN Position: Q2 2026 in Review

Vanguard Capital Management reduced its Ribbon Communications (RBBN) stake by 6.9% in Q2 2026, selling an estimated $768K and leaving 3,925,626 shares worth $9.19M. The position accounts for ﹤0.01% of the portfolio, ranked #2866.

Vanguard Capital Management first reported a position in RBBN in Q1 2026 and has held it in 2 quarters since. 159 funds tracked by Wall St. Rank hold RBBN as of Q2 2026.

  • Vanguard Capital Management held 3,925,626 shares of Ribbon Communications worth $9.19M as of Q2 2026.
  • Vanguard Capital Management sold 290,833 Ribbon Communications shares in Q2 2026, an estimated $768K.
  • Ribbon Communications made up ﹤0.01% of Vanguard Capital Management's portfolio in Q2 2026, its #2866 holding.
  • Vanguard Capital Management first reported a position in Ribbon Communications in Q1 2026 and has held it in 2 quarters since.
  • 159 funds tracked by Wall St. Rank held Ribbon Communications as of Q2 2026.

Based on Vanguard Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.