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Bank of America’s Ionis Pharmaceuticals IONS Stock Holding History

Bank of America’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
2025
Q4 		– Sell
-45,000
Closed -$2.94M – 7843
2025
Q3 		$2.94M Buy
+45,000
New +$2.2M ﹤0.01% 4481
2024
Q2 		– Sell
-11,800
Closed -$512K – 8315
2024
Q1 		$512K Buy
+11,800
New +$562K ﹤0.01% 5334
2021
Q2 		– Sell
-33,400
Closed -$1.5M – 7891
2021
Q1 		$1.5M Buy
+33,400
New +$1.86M ﹤0.01% 4492
2016
Q2 		– Sell
-120,000
Closed -$4.86M – 7228
2016
Q1 		$4.86M Buy
+120,000
New +$4.87M ﹤0.01% 2806
2015
Q1 		– Sell
-5,000
Closed -$309K – 7292
2014
Q4 		$309K Sell
5,000
-46,000
-90% -$2.27M ﹤0.01% 5006
2014
Q3 		$1.98M Buy
51,000
+34,300
+205% +$1.22M ﹤0.01% 3398
2014
Q2 		$575K Sell
16,700
-46,700
-74% -$1.47M ﹤0.01% 4479
2014
Q1 		$2.74M Buy
63,400
+52,500
+482% +$2.54M ﹤0.01% 2951
2013
Q4 		$434K Sell
10,900
-2,200
-17% -$78.4K ﹤0.01% 4882
2013
Q3 		$492K Sell
13,100
-32,200
-71% -$962K ﹤0.01% 4653
2013
Q2 		$1.22M Buy
+45,300
New +$963K ﹤0.01% 3795

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 $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 1-Year Est. Return

Bank of America's IONS Position: Q1 2026 in Review

Bank of America increased its Ionis Pharmaceuticals (IONS) stake by 7.3% in Q1 2026, buying an estimated $4.5M and bringing the position to 840,598 shares worth $63.1M. The position accounts for ﹤0.01% of the portfolio, ranked #1444.

Bank of America first reported a position in IONS in Q2 2013 and has held it in 52 quarters since. The position peaked at $71.7M in Q3 2017. 494 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

  • Bank of America held 840,598 shares of Ionis Pharmaceuticals worth $63.1M as of Q1 2026.
  • Bank of America bought 57,019 Ionis Pharmaceuticals shares in Q1 2026, an estimated $4.5M.
  • Ionis Pharmaceuticals made up ﹤0.01% of Bank of America's portfolio in Q1 2026, its #1444 holding.
  • Bank of America first reported a position in Ionis Pharmaceuticals in Q2 2013 and has held it in 52 quarters since.
  • Bank of America's Ionis Pharmaceuticals position peaked at $71.7M in Q3 2017.
  • 494 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Bank of America's 13F filing for Q1 2026, filed 18 May 2026.