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Brevan Howard Capital Management’s Ribbon Communications RBBN Stock Holding History

Brevan Howard 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
Q1 		– Sell
-18,219
Closed -$52.5K – 2428
2025
Q4 		$52.5K Buy
18,219
+2,720
+18% +$8.78K ﹤0.01% 1698
2025
Q3 		$58.9K Buy
+15,499
New +$60.9K ﹤0.01% 1892
2024
Q1 		– Sell
-15,724
Closed -$45.6K – 1294
2023
Q4 		$45.6K Buy
+15,724
New +$35.4K ﹤0.01% 997

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

Brevan Howard Capital Management's RBBN Position: Q1 2026 in Review

Brevan Howard Capital Management sold out of Ribbon Communications (RBBN) in Q1 2026, closing a stake of 18,219 shares — an estimated $52.5K sold.

Brevan Howard Capital Management first reported a position in RBBN in Q4 2023 and held it in 3 quarters. The position peaked at $58.9K in Q3 2025. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.

  • Brevan Howard Capital Management reported no remaining Ribbon Communications position as of Q1 2026 after selling out during the quarter.
  • Brevan Howard Capital Management sold 18,219 Ribbon Communications shares in Q1 2026, an estimated $52.5K.
  • Brevan Howard Capital Management first reported a position in Ribbon Communications in Q4 2023 and held it in 3 quarters.
  • Brevan Howard Capital Management's Ribbon Communications position peaked at $58.9K in Q3 2025.
  • 150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.

Based on Brevan Howard Capital Management's 13F filing for Q1 2026, filed 15 May 2026.