Oberweis Asset Management’s Ribbon Communications RBBN Stock Holding History

Oberweis Asset 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
2021 Q2	–	Sell	-101,400	Closed	-$832K	–	183
2021 Q1	$832K	Buy	101,400 +29,400	+41%	+$243K	0.17%	93
2020 Q4	$472K	Buy	+72,000	New	+$380K	0.12%	94
2019 Q1	–	Sell	-85,300	Closed	-$411K	–	224
2018 Q4	$411K	Buy	+85,300	New	+$494K	0.09%	153

Other funds holding RBBN

JP Morgan Chase New York $1.56T AUM 27.86% 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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

OAM

Ophir Asset Management Sydney, Australia $859M AUM 59.08% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Impax Asset Management Group London, United Kingdom $14.3B AUM 19.8% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Oberweis Asset Management's RBBN Position: Q2 2021 in Review

Oberweis Asset Management sold out of Ribbon Communications (RBBN) in Q2 2021, closing a stake of 101,400 shares — an estimated $832K sold.

Oberweis Asset Management first reported a position in RBBN in Q4 2018 and held it in 3 quarters. The position peaked at $832K in Q1 2021. 126 funds tracked by Wall St. Rank hold RBBN as of Q2 2021.

Oberweis Asset Management reported no remaining Ribbon Communications position as of Q2 2021 after selling out during the quarter.
Oberweis Asset Management sold 101,400 Ribbon Communications shares in Q2 2021, an estimated $832K.
Oberweis Asset Management first reported a position in Ribbon Communications in Q4 2018 and held it in 3 quarters.
Oberweis Asset Management's Ribbon Communications position peaked at $832K in Q1 2021.
126 funds tracked by Wall St. Rank held Ribbon Communications as of Q2 2021.

Based on Oberweis Asset Management's 13F filing for Q2 2021, filed 16 Aug 2021.