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Aigen Investment Management’s Ionis Pharmaceuticals IONS Stock Holding History

Aigen Investment Management’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 		– Sell
-8,790
Closed -$660K – 681
2026
Q1 		$660K Sell
8,790
-71
-0.8% -$5.6K 0.17% 163
2025
Q4 		$701K Sell
8,861
-4,717
-35% -$355K 0.16% 195
2025
Q3 		$888K Buy
13,578
+5,280
+64% +$258K 0.14% 229
2025
Q2 		$328K Buy
+8,298
New +$272K 0.04% 500
2025
Q1 		– Sell
-17,723
Closed -$620K – 882
2024
Q4 		$620K Buy
17,723
+6,111
+53% +$228K 0.11% 272
2024
Q3 		$465K Buy
+11,612
New +$540K 0.09% 343
2024
Q2 		– Sell
-16,747
Closed -$726K – 897
2024
Q1 		$726K Sell
16,747
-56,973
-77% -$2.72M 0.16% 197
2023
Q4 		$3.73M Buy
+73,720
New +$3.53M 0.67% 17
2023
Q3 		– Sell
-16,019
Closed -$657K – 950
2023
Q2 		$657K Buy
+16,019
New +$616K 0.1% 285
2021
Q3 		– Sell
-8,912
Closed -$355K – 559
2021
Q2 		$355K Buy
+8,912
New +$349K 0.06% 291
2021
Q1 		– Sell
-42,747
Closed -$2.42M – 754
2020
Q4 		$2.42M Buy
42,747
+36,349
+568% +$1.81M 0.32% 71
2020
Q3 		$304K Sell
6,398
-16,367
-72% -$909K 0.04% 535
2020
Q2 		$1.34M Sell
22,765
-12,489
-35% -$695K 0.17% 174
2020
Q1 		$1.67M Buy
35,254
+24,199
+219% +$1.35M 0.22% 116
2019
Q4 		$668K Buy
+11,055
New +$659K 0.11% 264

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

Aigen Investment Management's IONS Position: Q2 2026 in Review

Aigen Investment Management sold out of Ionis Pharmaceuticals (IONS) in Q2 2026, closing a stake of 8,790 shares — an estimated $660K sold.

Aigen Investment Management first reported a position in IONS in Q4 2019 and held it in 15 quarters. The position peaked at $3.73M in Q4 2023. 515 funds tracked by Wall St. Rank hold IONS as of Q2 2026.

  • Aigen Investment Management reported no remaining Ionis Pharmaceuticals position as of Q2 2026 after selling out during the quarter.
  • Aigen Investment Management sold 8,790 Ionis Pharmaceuticals shares in Q2 2026, an estimated $660K.
  • Aigen Investment Management first reported a position in Ionis Pharmaceuticals in Q4 2019 and held it in 15 quarters.
  • Aigen Investment Management's Ionis Pharmaceuticals position peaked at $3.73M in Q4 2023.
  • 515 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q2 2026.

Based on Aigen Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.