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IONSIONS
12 quarters

Position history for WELLINGTON MANAGEMENT GROUP LLPWELLINGTON MANAGEMENT GROUP LLP's holdings in IONIS PHARMACEUTICALS INC

WELLINGTON MANAGEMENT GROUP LLP holds 6.4M shares of IONS (IONIS PHARMACEUTICALS INC), worth $480M as of 2026-Q1. The position was increased (+2.1% shares). IONS represents 0.1% of WELLINGTON MANAGEMENT GROUP LLP's portfolio.

Current Value

$480M

Current Shares

6.4M

Total Value Change

+$442.4M

Total Shares Change

+5.5M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Increased
6.4M
+2.1%
$480M0.1%$78.66
32
2025-Q4
Decreased
6.3M
-5.0%
$495.3M0.1%$78.97
0
2025-Q3
Increased
6.6M
+3.8%
$431M0.1%$64.15
32
2025-Q2
Decreased
6.3M
-24.6%
$250.7M0.0%$39.80
0
2025-Q1
Decreased
8.4M
-3.0%
$253.9M0.0%$31.15
0
2024-Q4
Decreased
8.7M
-0.7%
$303.2M0.1%$34.92
0
2024-Q3
Increased
8.7M
+33.0%
$350M0.1%$40.85
40
2024-Q2
Increased
6.6M
+15.3%
$313.1M0.1%$47.66
36
2024-Q1
Increased
5.7M
+23.4%
$246.9M0.0%$43.35
37
2023-Q4
Increased
4.6M
+162.2%
$233.6M0.0%$50.59
50
2023-Q3
Increased
1.8M
+92.5%
$79.9M0.0%$45.36
47
2023-Q2
New
914,723
-
$37.5M0.0%$41.11
40

Other major holders of IONS: FMR LLC, Capital World Investors

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