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Entropy Technologies’s Ionis Pharmaceuticals IONS Stock Holding History

Entropy Technologies’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 		$2.04M Buy
+27,207
New +$2.15M 0.09% 280
2025
Q4 		– Sell
-32,925
Closed -$2.15M – 1019
2025
Q3 		$2.15M Buy
32,925
+3,473
+12% +$170K 0.16% 175
2025
Q2 		$1.16M Buy
+29,452
New +$964K 0.09% 277
2024
Q2 		– Sell
-14,542
Closed -$630K – 808
2024
Q1 		$630K Buy
+14,542
New +$693K 0.07% 382

Other funds holding IONS

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
BlackRock
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
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Entropy Technologies's IONS Position: Q1 2026 in Review

Entropy Technologies opened a new position in Ionis Pharmaceuticals (IONS) in Q1 2026: 27,207 shares worth $2.04M. The stake represents 0.09% of the portfolio and ranks #280 among its holdings. This is a return to the name: Entropy Technologies previously reported a position in IONS as recently as Q3 2025.

Entropy Technologies first reported a position in IONS in Q1 2024 and has held it in 4 quarters since. The position peaked at $2.15M in Q3 2025. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

  • Entropy Technologies held 27,207 shares of Ionis Pharmaceuticals worth $2.04M as of Q1 2026.
  • Ionis Pharmaceuticals was a new Entropy Technologies position in Q1 2026.
  • Ionis Pharmaceuticals made up 0.09% of Entropy Technologies's portfolio in Q1 2026, its #280 holding.
  • Entropy Technologies first reported a position in Ionis Pharmaceuticals in Q1 2024 and has held it in 4 quarters since.
  • Entropy Technologies's Ionis Pharmaceuticals position peaked at $2.15M in Q3 2025.
  • 493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Entropy Technologies's 13F filing for Q1 2026, filed 14 May 2026.