WorldQuant Millennium Advisors’s Ionis Pharmaceuticals IONS Stock Holding History

WorldQuant Millennium Advisors’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	$2.1M	Buy	27,924 +10,514	+60%	+$830K	0.01%	423
2025 Q4	$1.38M	Buy	+17,410	New	+$1.31M	0.01%	456
2025 Q3	–	Sell	-74,438	Closed	-$2.94M	–	570
2025 Q2	$2.94M	Buy	+74,438	New	+$2.44M	0.01%	335
2021 Q3	–	Sell	-251,075	Closed	-$10M	–	357
2021 Q2	$10M	Buy	+251,075	New	+$9.83M	0.22%	135

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

WorldQuant Millennium Advisors's IONS Position: Q1 2026 in Review

WorldQuant Millennium Advisors increased its Ionis Pharmaceuticals (IONS) stake by 60% in Q1 2026, buying an estimated $830K and bringing the position to 27,924 shares worth $2.1M. The position accounts for 0.01% of the portfolio, ranked #423.

WorldQuant Millennium Advisors first reported a position in IONS in Q2 2021 and has held it in 4 quarters since. The position peaked at $10M in Q2 2021. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

WorldQuant Millennium Advisors held 27,924 shares of Ionis Pharmaceuticals worth $2.1M as of Q1 2026.
WorldQuant Millennium Advisors bought 10,514 Ionis Pharmaceuticals shares in Q1 2026, an estimated $830K.
Ionis Pharmaceuticals made up 0.01% of WorldQuant Millennium Advisors's portfolio in Q1 2026, its #423 holding.
WorldQuant Millennium Advisors first reported a position in Ionis Pharmaceuticals in Q2 2021 and has held it in 4 quarters since.
WorldQuant Millennium Advisors's Ionis Pharmaceuticals position peaked at $10M in Q2 2021.
493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on WorldQuant Millennium Advisors's 13F filing for Q1 2026, filed 15 May 2026.