# AMPHASTAR PHARMACEUTICALS IN (AMPH)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/AMPH/

- Reporting holders: 8
- Reported value: $61.2K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $28.1K | 1,088 | 0.0% | 16 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $16.8K | 652 | 0.0% | 12 |
| [MassMutual Private Wealth & Trust, FSB](https://holderbook.com/funds/1103653-massmutual-private-wealth-trust-fsb/) | $9.4K | 365 | 0.0% | 20 |
| [Versant Capital Management, Inc](https://holderbook.com/funds/1735057-versant-capital-management-inc/) | $5.6K | 218 | 0.0% | 27 |
| [CoreCap Advisors, LLC](https://holderbook.com/funds/1902501-corecap-advisors-llc/) | $697 | 27 | 0.0% | 1 |
| [Trust Co](https://holderbook.com/funds/1632554-trust-co/) | $387 | 15 | 0.0% | 4 |
| [GILPIN WEALTH MANAGEMENT, LLC](https://holderbook.com/funds/2058144-gilpin-wealth-management-llc/) | $104 | 4 | 0.0% | 4 |
| [Davis Capital Management](https://holderbook.com/funds/1811806-davis-capital-management/) | $52 | 2 | 0.0% | 2 |
| [CX Institutional](https://holderbook.com/funds/1737089-cx-institutional/) | $15 | 573 | 0.0% | 7 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 8 | $61.2K |
| Q2 2026 | 216 | $617.7M |
| Q1 2026 | 212 | $634.4M |
| Q4 2025 | 234 | $941.4M |
| Q3 2025 | 242 | $892.8M |
| Q2 2025 | 247 | $764.4M |
| Q1 2025 | 242 | $965.6M |
| Q4 2024 | 265 | $1.3B |
| Q3 2024 | 281 | $1.7B |
| Q2 2024 | 269 | $1.4B |
| Q1 2024 | 273 | $1.5B |
| Q4 2023 | 278 | $2.1B |