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Steven Cohen’s Ionis Pharmaceuticals IONS Stock Holding History

Steven Cohen’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 		$1.1M Sell
13,900
-3,200
-19% -$241K ﹤0.01% 2777
2026
Q1 		$1.28M Buy
17,100
+3,000
+21% +$237K ﹤0.01% 2595
2025
Q4 		$1.12M Buy
+14,100
New +$1.06M ﹤0.01% 2812

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 $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Steven Cohen's IONS Position: Q3 2025 in Review

Steven Cohen sold out of Ionis Pharmaceuticals (IONS) in Q3 2025, closing a stake of 292,647 shares — an estimated $11.6M sold.

Steven Cohen first reported a position in IONS in Q2 2015 and held it in 22 quarters. The position peaked at $49M in Q4 2023. 436 funds tracked by Wall St. Rank hold IONS as of Q3 2025.

  • Steven Cohen reported no remaining Ionis Pharmaceuticals position as of Q3 2025 after selling out during the quarter.
  • Steven Cohen sold 292,647 Ionis Pharmaceuticals shares in Q3 2025, an estimated $11.6M.
  • Steven Cohen first reported a position in Ionis Pharmaceuticals in Q2 2015 and held it in 22 quarters.
  • Steven Cohen's Ionis Pharmaceuticals position peaked at $49M in Q4 2023.
  • 436 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q3 2025.

Based on Point72 Asset Management's 13F filing for Q3 2025, filed 14 Nov 2025.