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Harbour Investments’s Ionis Pharmaceuticals IONS Stock Holding History

Harbour Investments’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
Q1 		$41K Buy
546
+318
+139% +$25.1K ﹤0.01% 2440
2025
Q4 		$18K Buy
228
+18
+9% +$1.35K ﹤0.01% 2457
2025
Q3 		$13.7K Buy
210
+10
+5% +$488 ﹤0.01% 2531
2025
Q2 		$7.9K Sell
200
-700
-78% -$22.9K ﹤0.01% 2681
2025
Q1 		$27.2K Hold
900
– – ﹤0.01% 2055
2024
Q4 		$31.5K Hold
900
– – ﹤0.01% 1927
2024
Q3 		$36.1K Hold
900
– – ﹤0.01% 1819
2024
Q2 		$42.9K Hold
900
– – ﹤0.01% 1628
2024
Q1 		$39K Hold
900
– – ﹤0.01% 1644
2023
Q4 		$45.5K Hold
900
– – ﹤0.01% 1502
2023
Q3 		$40.8K Hold
900
– – ﹤0.01% 1444
2023
Q2 		$36.9K Hold
900
– – ﹤0.01% 1498
2023
Q1 		$32.2K Sell
900
-310
-26% -$11.6K ﹤0.01% 1536
2022
Q4 		$45.7K Sell
1,210
-50
-4% -$2.1K ﹤0.01% 1334
2022
Q3 		$47K Hold
1,260
– – ﹤0.01% 1292
2022
Q2 		$47K Buy
+1,260
New +$47.5K ﹤0.01% 1292
2021
Q4 		$38K Sell
1,260
-758
-38% -$23.9K ﹤0.01% 1378
2021
Q3 		$68K Buy
2,018
+323
+19% +$12.2K ﹤0.01% 1586
2021
Q2 		$68K Sell
1,695
-10
-0.6% -$392 ﹤0.01% 1621
2021
Q1 		$77K Buy
+1,705
New +$95.1K ﹤0.01% 1437

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 $5.72T AUM 30.48% 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 $2.9T AUM 29.55% 1-Year Est. Return

Harbour Investments's IONS Position: Q1 2026 in Review

Harbour Investments increased its Ionis Pharmaceuticals (IONS) stake by 139% in Q1 2026, buying an estimated $25.1K and bringing the position to 546 shares worth $41K. The position accounts for ﹤0.01% of the portfolio, ranked #2440.

Harbour Investments first reported a position in IONS in Q1 2021 and has held it in 20 quarters since. The position peaked at $77K in Q1 2021. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

  • Harbour Investments held 546 shares of Ionis Pharmaceuticals worth $41K as of Q1 2026.
  • Harbour Investments bought 318 Ionis Pharmaceuticals shares in Q1 2026, an estimated $25.1K.
  • Ionis Pharmaceuticals made up ﹤0.01% of Harbour Investments's portfolio in Q1 2026, its #2440 holding.
  • Harbour Investments first reported a position in Ionis Pharmaceuticals in Q1 2021 and has held it in 20 quarters since.
  • Harbour Investments's Ionis Pharmaceuticals position peaked at $77K in Q1 2021.
  • 493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Harbour Investments's 13F filing for Q1 2026, filed 15 May 2026.