Amphastar Pharmaceutical (amph 2 03/15/29)

13F holders, Q2 2025 (June 30)
8holders
1new positions
1sold out
$2.28avg. 13F price*

At the end of Q2 2025, 8 institutions reported holding Amphastar Pharmaceutical (amph 2 03/15/29) in their 13F filings, unchanged from Q1 2025. 1 opened new positions and 1 sold out. The largest holders were Nomura Holdings Inc. ($1.1M), Bank of New York Mellon Corp ($261K) and Sei Investments Co. ($120K).

Company
Amphastar Pharmaceutical (amph 2 03/15/29)
CUSIP
03209RAB9
Latest filing quarter
Q2 2026

History

Number of 13F holders

0246810 Q3 2024: 5Q3 2024Q4 2024: 6Q4 2024Q1 2025: 8Q1 2025Q2 2025: 8Q2 2025Q3 2025: 10Q3 2025Q4 2025: 6Q4 2025Q1 2026: 5Q1 2026Q2 2026: 3Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions1$32K
Exits1$14K

All 13F filers, Q1 2025 → Q2 2025: 37,000 shares bought and 35,000 shares sold, net +2,000 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 8 holders

Nomura Holdings Inc. 0.01% No change 48,880 $1.1M
Bank of New York Mellon Corp 0.00% No change 300,000 $261K
Sei Investments Co. 0.00% Reduce -11.5% 139,000 $120K
Cetera Investment Advisers 0.00% No change 120,000 $104K
Oppenheimer Asset Management Inc. 0.00% Reduce -1.2% 82,000 $71K
Choreo, LLC 0.00% New 37,000 $32K
Stephens Inc. 0.00% No change 26,000 $22K
Comerica Bank 0.00% No change 11,000 $9K

"% of holder's portfolio" is AMPHASTAR PHARMACEUTICAL (AMPH 2 03/15/29)'s weight in each manager's 13F, not the share of Amphastar Pharmaceutical (amph 2 03/15/29) the manager owns.