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Vanguard Personalized Indexing Management’s Ionis Pharmaceuticals IONS Stock Holding History

Vanguard Personalized Indexing 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
Q1 		$857K Sell
11,414
-1,047
-8% -$82.6K 0.01% 1006
2025
Q4 		$986K Buy
12,461
+371
+3% +$27.9K 0.01% 918
2025
Q3 		$791K Buy
12,090
+18
+0.1% +$879 0.01% 1023
2025
Q2 		$477K Buy
12,072
+1,759
+17% +$57.6K 0.01% 1216
2025
Q1 		$311K Sell
10,313
-1,958
-16% -$64.1K ﹤0.01% 1324
2024
Q4 		$429K Buy
12,271
+3,867
+46% +$145K 0.01% 1190
2024
Q3 		$337K Buy
8,404
+780
+10% +$36.3K 0.01% 1288
2024
Q2 		$363K Buy
7,624
+261
+4% +$10.7K 0.01% 1181
2024
Q1 		$319K Sell
7,363
-979
-12% -$46.7K 0.01% 1240
2023
Q4 		$422K Buy
8,342
+1,564
+23% +$74.9K 0.01% 1085
2023
Q3 		$307K Sell
6,778
-389
-5% -$16K 0.01% 1115
2023
Q2 		$294K Buy
7,167
+1,301
+22% +$50K 0.01% 1142
2023
Q1 		$210K Sell
5,866
-293
-5% -$11K 0.01% 1314
2022
Q4 		$233K Buy
6,159
+950
+18% +$40K 0.01% 1075
2022
Q3 		$230K Sell
5,209
-874
-14% -$36.8K 0.01% 1057
2022
Q2 		$225K Buy
6,083
+487
+9% +$18.4K 0.01% 1099
2022
Q1 		$207K Buy
+5,596
New +$183K 0.01% 1112
2021
Q4 		– Sell
-13,544
Closed -$454K – 1084
2021
Q3 		$454K Buy
+13,544
New +$510K 0.04% 569

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

Vanguard Personalized Indexing Management's IONS Position: Q1 2026 in Review

Vanguard Personalized Indexing Management reduced its Ionis Pharmaceuticals (IONS) stake by 8.4% in Q1 2026, selling an estimated $82.6K and leaving 11,414 shares worth $857K. The position accounts for 0.01% of the portfolio, ranked #1006.

Vanguard Personalized Indexing Management first reported a position in IONS in Q3 2021 and has held it in 18 quarters since. The position peaked at $986K in Q4 2025. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

  • Vanguard Personalized Indexing Management held 11,414 shares of Ionis Pharmaceuticals worth $857K as of Q1 2026.
  • Vanguard Personalized Indexing Management sold 1,047 Ionis Pharmaceuticals shares in Q1 2026, an estimated $82.6K.
  • Ionis Pharmaceuticals made up 0.01% of Vanguard Personalized Indexing Management's portfolio in Q1 2026, its #1006 holding.
  • Vanguard Personalized Indexing Management first reported a position in Ionis Pharmaceuticals in Q3 2021 and has held it in 18 quarters since.
  • Vanguard Personalized Indexing Management's Ionis Pharmaceuticals position peaked at $986K in Q4 2025.
  • 493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Vanguard Personalized Indexing Management's 13F filing for Q1 2026, filed 14 May 2026.