OIC
IONS icon

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
Q2 		$17.5M Sell
220,335
-4,680
-2% -$352K 5.1% 5
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
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Orion Investment Company's IONS Position: Q2 2026 in Review

Orion Investment Company reduced its Ionis Pharmaceuticals (IONS) stake by 2.1% in Q2 2026, selling an estimated $352K and leaving 220,335 shares worth $17.5M. The position accounts for 5.1% of the portfolio, ranked #5.

Orion Investment Company first reported a position in IONS in Q2 2024 and has held it in 9 quarters since. The position peaked at $17.8M in Q4 2025. 515 funds tracked by Wall St. Rank hold IONS as of Q2 2026.

  • Orion Investment Company held 220,335 shares of Ionis Pharmaceuticals worth $17.5M as of Q2 2026.
  • Orion Investment Company sold 4,680 Ionis Pharmaceuticals shares in Q2 2026, an estimated $352K.
  • Ionis Pharmaceuticals made up 5.1% of Orion Investment Company's portfolio in Q2 2026, its #5 holding.
  • Orion Investment Company first reported a position in Ionis Pharmaceuticals in Q2 2024 and has held it in 9 quarters since.
  • Orion Investment Company's Ionis Pharmaceuticals position peaked at $17.8M in Q4 2025.
  • 515 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q2 2026.

Based on Orion Investment Company's 13F filing for Q2 2026, filed 11 Aug 2026.