Mackenzie Financial’s Ionis Pharmaceuticals IONS Stock Holding History

Mackenzie Financial’s Portfolio IONS Stock Details IONS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$285K	Sell	3,795 -96	-2%	-$7.58K	﹤0.01%	1310
2025 Q4	$307K	Buy	3,891 +303	+8%	+$22.8K	﹤0.01%	1383
2025 Q3	$235K	Buy	+3,588	New	+$175K	﹤0.01%	1500
2021 Q4	–	Sell	-9,783	Closed	-$328K	–	1466
2021 Q3	$328K	Hold	9,783	–	–	﹤0.01%	1100
2021 Q2	$390K	Hold	9,783	–	–	﹤0.01%	1022
2021 Q1	$440K	Buy	+9,783	New	+$546K	﹤0.01%	955
2018 Q4	–	Sell	-5,110	Closed	-$264K	–	1185
2018 Q3	$264K	Sell	5,110 -2,611	-34%	-$123K	﹤0.01%	1018
2018 Q2	$322K	Sell	7,721 -1,513	-16%	-$67.1K	﹤0.01%	871
2018 Q1	$407K	Buy	9,234 +3,487	+61%	+$177K	﹤0.01%	768
2017 Q4	$289K	Buy	+5,747	New	+$315K	﹤0.01%	758

Other funds holding IONS

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

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

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

Mackenzie Financial's IONS Position: Q1 2026 in Review

Mackenzie Financial reduced its Ionis Pharmaceuticals (IONS) stake by 2.5% in Q1 2026, selling an estimated $7.58K and leaving 3,795 shares worth $285K. The position accounts for ﹤0.01% of the portfolio, ranked #1310.

Mackenzie Financial first reported a position in IONS in Q4 2017 and has held it in 10 quarters since. The position peaked at $440K in Q1 2021. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

Mackenzie Financial held 3,795 shares of Ionis Pharmaceuticals worth $285K as of Q1 2026.
Mackenzie Financial sold 96 Ionis Pharmaceuticals shares in Q1 2026, an estimated $7.58K.
Ionis Pharmaceuticals made up ﹤0.01% of Mackenzie Financial's portfolio in Q1 2026, its #1310 holding.
Mackenzie Financial first reported a position in Ionis Pharmaceuticals in Q4 2017 and has held it in 10 quarters since.
Mackenzie Financial's Ionis Pharmaceuticals position peaked at $440K in Q1 2021.
493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Mackenzie Financial's 13F filing for Q1 2026, filed 13 May 2026.