IONIS PHARMACEUTICALS INC

CUSIP: 462222AF7 Class: NOTE 1.750% 6/1

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 10,410,000 Value ($000) $16,573 Avg Close — Range —
Q3 2025
Shares 27,793,000 Value ($000) $38,511 Avg Close — Range —
Q2 2025
Shares 27,793,000 Value ($000) $29,270 Avg Close — Range —
Q1 2025
Shares 30,793,000 Value ($000) $29,940 Avg Close — Range —
Q4 2024
Shares 30,793,000 Value ($000) $30,382 Avg Close — Range —
Q3 2024
Shares 30,793,000 Value ($000) $32,002 Avg Close — Range —