AMPH — Amphastar Pharma Inc

Ownership history in Corient IA LLC  ·  2 quarters on record

This page tracks every 13F SEC filing in which Corient IA LLC reported a position in Amphastar Pharma Inc (AMPH). 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
0.19% (2025 Q4)
Avg. % of fund
0.17%
First filed
2025 Q1
Last filed
2025 Q4
Quarters held
2
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 UNCHANGED 7,500 — 0% 0.19% $201K $26.78
2025 Q1 INITIATED 7,500 — — 0.15% $217K $28.99
% of Fund (quarterly)    AMPH price (monthly, adj. close)

Other funds also holding AMPH

As of 2025 Q4 — sorted by position size

LAM GROUP, INC. 3Y 2.0% Bridge City Capital, LLC 3Y 7Y 1.85% Quantedge Capital Pte Ltd 3Y 1.17% DENALI ADVISORS LLC 3Y 7Y 0.63% SummerHaven Investment Management, LLC 3Y 0.58% Significant Wealth Partners LLC 0.29% SYSTEMATIC FINANCIAL MANAGEMENT LP 3Y 7Y 0.27% BRIDGEWAY CAPITAL MANAGEMENT, LLC 3Y 7Y 0.18% RICE HALL JAMES & ASSOCIATES, LLC 3Y 7Y 0.18% Epoch Investment Partners, Inc. 3Y 7Y 0.17%
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