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Great Lakes Advisors’s Ionis Pharmaceuticals IONS Stock Holding History

Great Lakes Advisors’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 		$5.31M Sell
66,924
-52,002
-44% -$3.91M 0.04% 224
2026
Q1 		$8.93M Sell
118,926
-30,254
-20% -$2.39M 0.07% 156
2025
Q4 		$11.8M Sell
149,180
-37,770
-20% -$2.84M 0.1% 144
2025
Q3 		$12.2M Sell
186,950
-212,696
-53% -$10.4M 0.1% 148
2025
Q2 		$15.8M Buy
+399,646
New +$13.1M 0.13% 141

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

Great Lakes Advisors's IONS Position: Q2 2026 in Review

Great Lakes Advisors reduced its Ionis Pharmaceuticals (IONS) stake by 44% in Q2 2026, selling an estimated $3.91M and leaving 66,924 shares worth $5.31M. The position accounts for 0.04% of the portfolio, ranked #224.

Great Lakes Advisors first reported a position in IONS in Q2 2025 and has held it in 5 quarters since. The position peaked at $15.8M in Q2 2025. 515 funds tracked by Wall St. Rank hold IONS as of Q2 2026.

  • Great Lakes Advisors held 66,924 shares of Ionis Pharmaceuticals worth $5.31M as of Q2 2026.
  • Great Lakes Advisors sold 52,002 Ionis Pharmaceuticals shares in Q2 2026, an estimated $3.91M.
  • Ionis Pharmaceuticals made up 0.04% of Great Lakes Advisors's portfolio in Q2 2026, its #224 holding.
  • Great Lakes Advisors first reported a position in Ionis Pharmaceuticals in Q2 2025 and has held it in 5 quarters since.
  • Great Lakes Advisors's Ionis Pharmaceuticals position peaked at $15.8M in Q2 2025.
  • 515 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q2 2026.

Based on Great Lakes Advisors's 13F filing for Q2 2026, filed 10 Aug 2026.