Orion Investment Company’s Ionis Pharmaceuticals IONS Stock Holding History

Orion Investment Company’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	$16.9M	Sell	225,015 -146	-0.1%	-$11.5K	5.36%	4
2025 Q4	$17.8M	Buy	225,161 +456	+0.2%	+$34.3K	5.43%	5
2025 Q3	$14.7M	Buy	224,705 +7,335	+3%	+$358K	4.67%	6
2025 Q2	$8.59M	Buy	217,370 +2,080	+1%	+$68.1K	3.04%	11
2025 Q1	$6.5M	Sell	215,290 -710	-0.3%	-$23.3K	2.66%	13
2024 Q4	$7.55M	Sell	216,000 -2,525	-1%	-$94.4K	3.01%	13
2024 Q3	$8.75M	Sell	218,525 -45	-0%	-$2.09K	3.4%	7
2024 Q2	$10.4M	Buy	+218,570	New	+$8.96M	4.15%	5

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

Orion Investment Company's IONS Position: Q1 2026 in Review

Orion Investment Company reduced its Ionis Pharmaceuticals (IONS) stake by 0.06% in Q1 2026, selling an estimated $11.5K and leaving 225,015 shares worth $16.9M. The position accounts for 5.36% of the portfolio, ranked #4.

Orion Investment Company first reported a position in IONS in Q2 2024 and has held it in 8 quarters since. The position peaked at $17.8M in Q4 2025. 494 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

Orion Investment Company held 225,015 shares of Ionis Pharmaceuticals worth $16.9M as of Q1 2026.
Orion Investment Company sold 146 Ionis Pharmaceuticals shares in Q1 2026, an estimated $11.5K.
Ionis Pharmaceuticals made up 5.36% of Orion Investment Company's portfolio in Q1 2026, its #4 holding.
Orion Investment Company first reported a position in Ionis Pharmaceuticals in Q2 2024 and has held it in 8 quarters since.
Orion Investment Company's Ionis Pharmaceuticals position peaked at $17.8M in Q4 2025.
494 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Orion Investment Company's 13F filing for Q1 2026, filed 12 May 2026.