Guru Ownership Trend
Guru Analysis for Amphastar Pharmaceuticals, Inc. (AMPH)
Amphastar Pharmaceuticals, Inc. (AMPH), a key player in the Healthcare sector, continues to attract institutional attention.
As of Q1 2026, a total of 4 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $20.29 M.
Top institutional holders include Renaissance Technologies (RenTech) and Chuck Royce.
Institutional sentiment is currently Slightly Bearish. This is evidenced by a $8.84 M net outflow during the quarter.
Recent activity highlights John Hussman who opened a new position.
Key Holders
Top 5 by Value
Top 5 by Conviction
Recent Activity Breakdown (Q1 2026)
Guru Consensus (Q1 2026)
FAQs for Amphastar Pharmaceuticals, Inc. (AMPH)
Major holders include Renaissance Technologies (RenTech) ($10.85 M), Chuck Royce ($7.96 M), Cliff Asness ($1.54 M). According to the latest reported data, 4 tracked investment managers collectively hold approximately 1.1 M shares.
According to the latest 13F reporting period, sentiment appears Bearish (Net Selling). There was a net outflow of $8.84 M, with 4 managers increasing positions and 2 managers reducing holdings.
During the most recent reporting period, 0 managers trimmed their positions, while 2 fully exited AMPH. The total reported sell value was $11.53 M.
Yes, 1 managers opened new positions in AMPH, and 3 increased their existing holdings. The total reported buy value was $2.69 M.