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Engineers Gate Manager LP

Position in AMPH — Amphastar Pharmaceuticals, Inc.

CIK 1620220 NEW YORK, NY

Position in AMPH

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$609,254
-$615,616 QoQ
Shares Held
30,191
-43.4% QoQ
Ownership
0.071%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#82
of 209 holders
Holding Since
Mar 2020
18 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMPH Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Jun 30, 2026

Engineers Gate Manager LP holds $33,272,501 across 27 Drug Manufacturers - Specialty & Generic names. AMPH ranks #15 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMPH

Export CSV
18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $609,254 30,191
2025-06-30 $1,224,870 53,348
2025-03-31 $1,117,419 38,545
2024-12-31 $1,080,780 29,108
2024-09-30 $1,283,618 26,450
2024-06-30 $1,427,800 35,695
2024-03-31 $1,117,289 25,445
2023-12-31 $683,689 11,054
2023-09-30 $214,405 4,662
2023-03-31 $480,975 12,826
2022-12-31 $455,969 16,273
2021-12-31 $421,409 18,094
2021-06-30 $346,429 17,184
2021-03-31 $406,154 22,170
2020-12-31 $603,601 30,015
2020-09-30 $554,137 29,554
2020-06-30 $1,170,121 52,098
2020-03-31 $356,263 24,007