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 Q2	$61.2K	Buy	+26,154	New	+$69K	﹤0.01%	2008
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 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

Brevan Howard Capital Management's RBBN Position: Q2 2026 in Review

Brevan Howard Capital Management opened a new position in Ribbon Communications (RBBN) in Q2 2026: 26,154 shares worth $61.2K. The stake represents ﹤0.01% of the portfolio and ranks #2008 among its holdings. This is a return to the name: Brevan Howard Capital Management previously reported a position in RBBN as recently as Q4 2025.

Brevan Howard Capital Management first reported a position in RBBN in Q4 2023 and has held it in 4 quarters since. 160 funds tracked by Wall St. Rank hold RBBN as of Q2 2026.

Brevan Howard Capital Management held 26,154 shares of Ribbon Communications worth $61.2K as of Q2 2026.
Ribbon Communications was a new Brevan Howard Capital Management position in Q2 2026.
Ribbon Communications made up ﹤0.01% of Brevan Howard Capital Management's portfolio in Q2 2026, its #2008 holding.
Brevan Howard Capital Management first reported a position in Ribbon Communications in Q4 2023 and has held it in 4 quarters since.
160 funds tracked by Wall St. Rank held Ribbon Communications as of Q2 2026.

Based on Brevan Howard Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.