AMPH

Amphastar Pharmaceuticals, Inc.

NasdaqAdd to watchlist

Healthcare · Drug Manufacturers—Specialty & Generic

$23.04

+$0.11+0.48%

Delayed · 2026-09-09T20:00:00.000Z · marketstack

1 of 47tracked managers hold this· Q2 2026

Aug 10, 2026$23.04

+$2.73+13.44%over 1M

Day range94% of range

$22.57$23.07

Session

Previous close: $22.93
Open: $22.84
Volume: 351.6K
Avg volume: -
Day high: $23.07
Day low: $22.57

Fundamentals

Visualize fundamentals and more

Market cap: 1.01B
P/E ratio: 12.97
EPS (TTM): $1.78
Dividend yield: -
Beta: 0.92
Shares outstanding: 43.64M

Source SEC EDGAR · 9/10/2026

Tracked investors

As of Q2 2026 · 72 days ago · next update ~14 Nov 2026· what moved this quarter, onMeasure

1 fund manager this platform follows disclosed a position here, from quarterly SEC filings up to 45 days old; a manager may have sold since without yet having to say so.

Joel Greenblatt
Gotham Asset Management
$204.61K
<0.01%of book

Manager	Position	Share of their book	Last change
Joel Greenblatt Gotham Asset Management	$204.61K	<0.01%

Share price, with each quarter a tracked manager’s position changed shaded across the range it traded in.

2040

now

Q3 '24

Q4 '24

Q1 '25

Q2 '25

Q3 '25

Q4 '25

Q1 '26

Q2 '26

Hover a shaded quarter to see it moved. Who, and the range they traded in, is onBespoke

13F filings cover US-listed shares only (not cash, bonds, shorts, or private holdings) and are never a recommendation to do the same.

Risk factors, year on year

Item 1AFebruary 2026 10-KMarch 2025as filed.

added: 46
dropped: 57
re-drafted: 44

Out of 296 passages in this year’s Item 1A.

New this year

● our success depends on the integrity of our supply chain, including multiple single source suppliers, and reliance on a third party for the manufacture of BAQSIMI ® the disruption of which could negatively impact our business;

102 more passages, included withBespoke

Recent activity

Jun 30Joel Greenblatt opened a position in AMPHTracked manager13Fas of the quarter ended 2026-06-30

1 more event, included withMeasure

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Ask about Amphastar Pharmaceuticals, Inc.

The assistant answers from what AMPH has actually filed: 14 annual reports filed with the SEC, 13F positions from the 1 tracked investor who hold it and 3 funds that hold it. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.

Pressing one answers it here, from AMPH's filings and figures. One a day without an account; a free account has its own, and no card.

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What an account lets you do with Amphastar Pharmaceuticals, Inc.

Separate the decisions from the paperwork
Every Form 4 AMPH insiders have filed, with vesting and automatic tax sales struck out: what's left is the buys and sells somebody actually chose to make.
Every filingMeasure
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Every tracked position priced at the quarter it was filed and diffed against the one before it: who added, who trimmed, who walked away.
Every position they holdMeasure
Interrogate the filing, not the internet
Ask anything about Amphastar Pharmaceuticals, Inc.'s fundamentals. The assistant answers from its own filings and cites the figure, never a guess from the open web.

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