Fidelity International’s Ionis Pharmaceuticals IONS Stock Holding History

Fidelity International’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	$12.4K	Buy	165 +118	+251%	+$9.31K	﹤0.01%	1083
2025 Q4	$3.72K	Hold	47	–	–	﹤0.01%	1016
2025 Q3	$3.08K	Buy	+47	New	+$2.29K	﹤0.01%	988
2016 Q2	–	Sell	-33,916	Closed	-$1.37M	–	506
2016 Q1	$1.37M	Sell	33,916 -2,724	-7%	-$111K	﹤0.01%	448
2015 Q4	$2.27M	Hold	36,640	–	–	0.01%	420
2015 Q3	$1.48M	Sell	36,640 -36,987	-50%	-$1.91M	0.01%	455
2015 Q2	$4.24M	Sell	73,627 -140,255	-66%	-$8.92M	0.01%	429
2015 Q1	$13.6M	Sell	213,882 -62,274	-23%	-$4.23M	0.04%	328
2014 Q4	$17.1M	Buy	+276,156	New	+$13.6M	0.06%	286

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

Fidelity International's IONS Position: Q1 2026 in Review

Fidelity International increased its Ionis Pharmaceuticals (IONS) stake by 251% in Q1 2026, buying an estimated $9.31K and bringing the position to 165 shares worth $12.4K. The position accounts for ﹤0.01% of the portfolio, ranked #1083.

Fidelity International first reported a position in IONS in Q4 2014 and has held it in 9 quarters since. The position peaked at $17.1M in Q4 2014. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

Fidelity International held 165 shares of Ionis Pharmaceuticals worth $12.4K as of Q1 2026.
Fidelity International bought 118 Ionis Pharmaceuticals shares in Q1 2026, an estimated $9.31K.
Ionis Pharmaceuticals made up ﹤0.01% of Fidelity International's portfolio in Q1 2026, its #1083 holding.
Fidelity International first reported a position in Ionis Pharmaceuticals in Q4 2014 and has held it in 9 quarters since.
Fidelity International's Ionis Pharmaceuticals position peaked at $17.1M in Q4 2014.
493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

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