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M&G plc’s Ionis Pharmaceuticals IONS Stock Holding History

M&G plc’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 		$244K Sell
3,090
-11,333
-79% -$853K ﹤0.01% 356
2026
Q1 		$1.08M Hold
14,423
– – 0.01% 329
2025
Q4 		$1.14M Buy
+14,423
New +$1.09M 0.01% 322

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

M&G plc's IONS Position: Q2 2026 in Review

M&G plc reduced its Ionis Pharmaceuticals (IONS) stake by 79% in Q2 2026, selling an estimated $853K and leaving 3,090 shares worth $244K. The position accounts for ﹤0.01% of the portfolio, ranked #356.

M&G plc first reported a position in IONS in Q4 2025 and has held it in 3 quarters since. The position peaked at $1.14M in Q4 2025. 514 funds tracked by Wall St. Rank hold IONS as of Q2 2026.

  • M&G plc held 3,090 shares of Ionis Pharmaceuticals worth $244K as of Q2 2026.
  • M&G plc sold 11,333 Ionis Pharmaceuticals shares in Q2 2026, an estimated $853K.
  • Ionis Pharmaceuticals made up ﹤0.01% of M&G plc's portfolio in Q2 2026, its #356 holding.
  • M&G plc first reported a position in Ionis Pharmaceuticals in Q4 2025 and has held it in 3 quarters since.
  • M&G plc's Ionis Pharmaceuticals position peaked at $1.14M in Q4 2025.
  • 514 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q2 2026.

Based on M&G plc's 13F filing for Q2 2026, filed 6 Aug 2026.