Mackenzie Financial’s Ribbon Communications RBBN Stock Holding History

Mackenzie Financial’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	$52.3K	Buy	+22,362	New	+$59K	﹤0.01%	1533
2026 Q1	–	Sell	-10,652	Closed	-$31.4K	–	1694
2025 Q4	$31.4K	Buy	+10,652	New	+$34.4K	﹤0.01%	1634
2023 Q1	–	Sell	-13,870	Closed	-$38.7K	–	1597
2022 Q4	$38.7K	Hold	13,870	–	–	﹤0.01%	1374
2022 Q3	$31K	Hold	13,870	–	–	﹤0.01%	1390
2022 Q2	$42K	Buy	+13,870	New	+$41.9K	﹤0.01%	1407
2022 Q1	–	Sell	-70,026	Closed	-$424K	–	1489
2021 Q4	$424K	Buy	70,026 +4,415	+7%	+$26.2K	﹤0.01%	1028
2021 Q3	$392K	Buy	65,611 +1,686	+3%	+$11.4K	﹤0.01%	1041
2021 Q2	$486K	Buy	63,925 +16,555	+35%	+$127K	﹤0.01%	983
2021 Q1	$389K	Sell	47,370 -17,070	-26%	-$141K	﹤0.01%	989
2020 Q4	$423K	Buy	+64,440	New	+$340K	﹤0.01%	875
2020 Q2	–	Sell	-12,795	Closed	-$39K	–	1107
2020 Q1	$39K	Buy	+12,795	New	+$38.5K	﹤0.01%	1052

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

Mackenzie Financial's RBBN Position: Q2 2026 in Review

Mackenzie Financial opened a new position in Ribbon Communications (RBBN) in Q2 2026: 22,362 shares worth $52.3K. The stake represents ﹤0.01% of the portfolio and ranks #1533 among its holdings. This is a return to the name: Mackenzie Financial previously reported a position in RBBN as recently as Q4 2025.

Mackenzie Financial first reported a position in RBBN in Q1 2020 and has held it in 11 quarters since. The position peaked at $486K in Q2 2021. 160 funds tracked by Wall St. Rank hold RBBN as of Q2 2026.

Mackenzie Financial held 22,362 shares of Ribbon Communications worth $52.3K as of Q2 2026.
Ribbon Communications was a new Mackenzie Financial position in Q2 2026.
Ribbon Communications made up ﹤0.01% of Mackenzie Financial's portfolio in Q2 2026, its #1533 holding.
Mackenzie Financial first reported a position in Ribbon Communications in Q1 2020 and has held it in 11 quarters since.
Mackenzie Financial's Ribbon Communications position peaked at $486K in Q2 2021.
160 funds tracked by Wall St. Rank held Ribbon Communications as of Q2 2026.

Based on Mackenzie Financial's 13F filing for Q2 2026, filed 13 Aug 2026.