Follow-The-Filings

Security

AMPH

Amphastar Pharmaceuticals In · COM

Equity holders as of 2026 Q1 (each manager’s latest book)

9 owners 1 new 2 exits max 0.0% (Marshall Wace - Marshall ...)

grid → activity →
owners 9
max % 0.0%
tracked value $127M
qoq N 1 A 4 R 3 E 2

holders

sorted by % of portfolio · long equity only · exits show last held size

manager % port activity shares value history
Marshall Wace - Marshall Wace, LLP 2026 Q1 0.0% Reduce -0.01 pp 1,025,640 $20M hist
Renaissance Technologies LLC 2026 Q1 0.0% Add -0.01 pp 553,900 $11M hist
D. E. Shaw & Co., Inc. 2026 Q1 0.0% Add 0.00 pp 665,542 $13M hist
Vanguard Group Inc. 2025 Q4 stale 0.0% Reduce 0.00 pp 2,608,158 $70M hist
Israel Englander - Millennium Management LLC 2026 Q1 0.0% Add 0.00 pp 371,373 $7M hist
Two Sigma Investments, LP 2025 Q4 stale 0.0% Exit 0.00 pp 98,678 $3M hist
Cliff Asness - Aqr Capital Management LLC 2026 Q1 0.0% Add 0.00 pp 78,778 $2M hist
Ken Griffin - Citadel Advisors LLC 2026 Q1 0.0% Reduce 0.00 pp 65,540 $1M hist
Natixis Advisors, LLC 2026 Q1 0.0% New 0.0% 11,510 $225 hist
Dmitry Balyasny - Balyasny Asset Management L.P. exited 2026 Q1 last 2025 Q4 0.0% Exit 0.00 pp 77,467 $2M hist
Joel Greenblatt - Gotham Asset Management, LLC exited 2026 Q1 last 2025 Q4 0.0% Exit 0.00 pp 27,802 $745 hist

9 current · 2 exited last period · options excluded

financials

US-GAAP annual · as tagged in Form 10-K · fiscal years · values link to the SEC filing

Income statement

Metric FY2023 FY2024 FY2025
Revenue $644.4M $731.97M $719.89M
Gross profit $351.12M $373.86M $356.06M
Gross margin * 54.5% 51.1% 49.5%
Net income $137.54M $159.52M $98.09M
Net margin * 21.3% 21.8% 13.6%

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $489.6M $534.07M $636.02M
Total non-current assets * $1.02B $1.04B $993.28M
Total assets $1.51B $1.58B $1.63B
Total current liabilities $225.41M $173.76M $158.16M
Total non-current liabilities * $648.08M $671.41M $682.34M
Total equity — — —

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations $183.5M $213.39M $156.12M
Cash from investing -$649.12M -$124.93M -$70.33M
Cash from financing $454.09M -$80.95M -$67.42M
Net change in cash -$11.8M $7.31M $18.57M

Source: SEC companyfacts (US-GAAP 10-K) · * = computed (not a single XBRL tag) · fiscal year as labeled by the issuer · not adjusted or audited by Follow-The-Filings

ownership over time

filing count by report period · click a bar for that quarter’s holders