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 Q2 2026, a total of 8 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $155.38 M.
Top institutional holders include Tweedy Browne and Renaissance Technologies (RenTech).
Notably, Tweedy Browne has expressed high conviction in this stock, allocating 13.70% of their equity portfolio to it.
Institutional sentiment is currently Bullish. This is evidenced by a $17.06 M net inflow during the quarter.
Recent activity highlights Renaissance Technologies (RenTech) who increased their stake by 83.1%. Conversely, Jefferies Group reduced exposure by 34.5%.
Key Holders
Top 5 by Value
Top 5 by Conviction
Recent Activity Breakdown (Q2 2026)
Guru Consensus (Q2 2026)
FAQs for Ionis Pharmaceuticals, Inc. (IONS)
Major holders include Tweedy Browne ($180.81 M), Renaissance Technologies (RenTech) ($44.36 M), Catherine Wood ($23.85 M). According to the latest reported data, 8 tracked investment managers collectively hold approximately 3.47 M shares.
According to the latest 13F reporting period, sentiment appears Bullish (Net Buying). There was a net inflow of $17.06 M, with 4 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 $6.16 M.
Yes, 0 managers opened new positions in IONS, and 4 increased their existing holdings. The total reported buy value was $23.22 M.
