Guru Ownership Trend
Guru Analysis for Ionis Pharmaceuticals, Inc. (IONS)
Ionis Pharmaceuticals, Inc. (IONS), a key player in the Healthcare sector, continues to attract institutional attention.
As of Q1 2026, a total of 9 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $238.72 M.
Top institutional holders include Tweedy Browne and Renaissance Technologies (RenTech).
Notably, Tweedy Browne has expressed high conviction in this stock, allocating 13.57% of their equity portfolio to it.
Institutional sentiment is currently Slightly Bearish. This is evidenced by a $14.61 M net outflow during the quarter.
Recent activity highlights Paul Tudor Jones who dramatically increased their stake. Conversely, Catherine Wood reduced exposure by 31.7%.
Key Holders
Top 5 by Value
Top 5 by Conviction
Recent Activity Breakdown (Q1 2026)
Guru Consensus (Q1 2026)
FAQs for Ionis Pharmaceuticals, Inc. (IONS)
Major holders include Tweedy Browne ($170.88 M), Renaissance Technologies (RenTech) ($22.94 M), Catherine Wood ($21.68 M). According to the latest reported data, 9 tracked investment managers collectively hold approximately 3.26 M shares.
According to the latest 13F reporting period, sentiment appears Bearish (Net Selling). There was a net outflow of $14.61 M, with 5 managers increasing positions and 5 managers reducing holdings.
During the most recent reporting period, 4 managers trimmed their positions, while 1 fully exited IONS. The total reported sell value was $29.7 M.
Yes, 0 managers opened new positions in IONS, and 5 increased their existing holdings. The total reported buy value was $15.09 M.
