IONS IONIS PHARMACEUTICALS INC

Ownership history in Deep Track Capital, LP  ·  13 quarters on record

This page tracks every 13F SEC filing in which Deep Track Capital, LP reported a position in IONIS PHARMACEUTICALS INC (IONS). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
6.95% (2025 Q3)
Avg. % of fund
3.72%
First filed
2022 Q4
Last filed
2025 Q4
Quarters held
13
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 1,700,000 -2,108,144 -55.4% 2.40% $134.5M $79.11
2025 Q3 REDUCED 3,808,144 -1,083,400 -22.1% 6.95% $249.1M $65.42
2025 Q2 ADDED 4,891,544 +327,337 +7.2% 6.20% $193.3M $39.51
2025 Q1 ADDED 4,564,207 +2,630,279 +136.0% 4.46% $137.7M $30.17
2024 Q4 REDUCED 1,933,928 -266,072 -12.1% 2.52% $67.6M $34.96
2024 Q3 ADDED 2,200,000 +200,000 +10.0% 2.80% $88.1M $40.06
2024 Q2 ADDED 2,000,000 +626,525 +45.6% 2.85% $95.3M $47.66
2024 Q1 ADDED 1,373,475 +124,407 +10.0% 1.71% $59.5M $43.35
2023 Q4 REDUCED 1,249,068 -1,585,001 -55.9% 2.11% $63.2M $50.59
2023 Q3 UNCHANGED 2,834,069 0% 4.96% $128.6M $45.36
3 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    IONS price (monthly, adj. close)
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