Barclays’s Ribbon Communications RBBN Stock Holding History

Barclays’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
2017 Q1	–	Sell	-20,000	Closed	-$126K	–	6934
2016 Q4	$126K	Hold	20,000	–	–	﹤0.01%	4587
2016 Q3	$156K	Sell	20,000 -2,500	-11%	-$21.8K	﹤0.01%	4168
2016 Q2	$196K	Buy	22,500 +22,300	+11,150%	+$186K	﹤0.01%	3936
2016 Q1	$1K	Buy	+200	New	+$1.34K	﹤0.01%	5996
2015 Q2	–	Sell	-5,400	Closed	-$38K	–	7166
2015 Q1	$38K	Buy	5,400 +5,240	+3,275%	+$86.3K	﹤0.01%	5464
2014 Q4	$2K	Buy	+160	New	+$2.83K	﹤0.01%	7121
2014 Q2	–	Sell	-8,980	Closed	-$135K	–	7782
2014 Q1	$135K	Sell	8,980 -1,120	-11%	-$18.6K	﹤0.01%	5169
2013 Q4	$152K	Buy	10,100 +8,980	+802%	+$139K	﹤0.01%	5272
2013 Q3	$17K	Buy	1,120 +260	+30%	+$4.42K	﹤0.01%	6586
2013 Q2	$13K	Buy	+860	New	+$11.5K	﹤0.01%	7030

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

Barclays's RBBN Position: Q1 2026 in Review

Barclays reduced its Ribbon Communications (RBBN) stake by 50% in Q1 2026, selling an estimated $241K and leaving 101,833 shares worth $216K. The position accounts for ﹤0.01% of the portfolio, ranked #3646.

Barclays first reported a position in RBBN in Q2 2013 and has held it in 52 quarters since. The position peaked at $1.25M in Q1 2015. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.

Barclays held 101,833 shares of Ribbon Communications worth $216K as of Q1 2026.
Barclays sold 100,628 Ribbon Communications shares in Q1 2026, an estimated $241K.
Ribbon Communications made up ﹤0.01% of Barclays's portfolio in Q1 2026, its #3646 holding.
Barclays first reported a position in Ribbon Communications in Q2 2013 and has held it in 52 quarters since.
Barclays's Ribbon Communications position peaked at $1.25M in Q1 2015.
150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.

Based on Barclays's 13F filing for Q1 2026, filed 15 May 2026.