Bridgeway Capital Management’s Ribbon Communications RBBN Stock Holding History

Bridgeway 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	$187K	Buy	+88,231	New	+$211K	﹤0.01%	1045
2025 Q2	–	Sell	-178,000	Closed	-$698K	–	1250
2025 Q1	$698K	Buy	+178,000	New	+$750K	0.02%	690
2022 Q4	–	Sell	-398,513	Closed	-$885K	–	1444
2022 Q3	$885K	Hold	398,513	–	–	0.02%	763
2022 Q2	$1.21M	Hold	398,513	–	–	0.03%	682
2022 Q1	$1.23M	Buy	398,513 +100,000	+33%	+$410K	0.02%	733
2021 Q4	$1.81M	Buy	298,513 +192,813	+182%	+$1.14M	0.03%	647
2021 Q3	$632K	Hold	105,700	–	–	0.01%	965
2021 Q2	$804K	Buy	105,700 +10,700	+11%	+$81.9K	0.01%	925
2021 Q1	$780K	Sell	95,000 -375,900	-80%	-$3.11M	0.01%	953
2020 Q4	$3.09M	Hold	470,900	–	–	0.07%	359
2020 Q3	$1.82M	Hold	470,900	–	–	0.04%	462
2020 Q2	$1.85M	Buy	470,900 +95,000	+25%	+$345K	0.04%	451
2020 Q1	$1.14M	Sell	375,900 -25,000	-6%	-$75.2K	0.03%	521
2019 Q4	$1.24M	Buy	+400,900	New	+$1.6M	0.02%	687

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

Bridgeway Capital Management's RBBN Position: Q1 2026 in Review

Bridgeway Capital Management opened a new position in Ribbon Communications (RBBN) in Q1 2026: 88,231 shares worth $187K. The stake represents ﹤0.01% of the portfolio and ranks #1045 among its holdings. This is a return to the name: Bridgeway Capital Management previously reported a position in RBBN as recently as Q1 2025.

Bridgeway Capital Management first reported a position in RBBN in Q4 2019 and has held it in 14 quarters since. The position peaked at $3.09M in Q4 2020. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.

Bridgeway Capital Management held 88,231 shares of Ribbon Communications worth $187K as of Q1 2026.
Ribbon Communications was a new Bridgeway Capital Management position in Q1 2026.
Ribbon Communications made up ﹤0.01% of Bridgeway Capital Management's portfolio in Q1 2026, its #1045 holding.
Bridgeway Capital Management first reported a position in Ribbon Communications in Q4 2019 and has held it in 14 quarters since.
Bridgeway Capital Management's Ribbon Communications position peaked at $3.09M in Q4 2020.
150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.

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