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Freestone Grove Partners LP

Position in AMPH — Amphastar Pharmaceuticals, Inc.

CIK 2007591 San Francisco, CA

Position in AMPH

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$584,898
-$154,042 QoQ
Shares Held
29,857
+8.2% QoQ
Ownership
0.068%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in AMPH Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Mar 31, 2026

Freestone Grove Partners LP holds $83,125,705 across 14 Drug Manufacturers - Specialty & Generic names. AMPH ranks #13 (0.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMPH

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $584,898 29,857
2025-12-31 $738,940 27,593