Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
247 institutional managers reported holding AUPH for the quarter ended Mar 31, 2026. Together they hold about 54% of shares outstanding; the top 10 hold 30%. 34 opened new positions; 40 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Tang Capital Management LLC | 12.23M | 8.88% | $181.5M | added +7.9% | 2022 Q3 |
| BlackRock | 7.85M | 5.70% | $116.4M | trimmed -1% | 2017 Q4 |
| NEA Management Company, LLC (focused) | 3.97M | 2.88% | $58.9M | unchanged | 2014 Q3 |
| Two Sigma | 3.43M | 2.49% | $50.9M | added +74.7% | 2025 Q1 |
| Arrowstreet Capital | 3.28M | 2.39% | $48.7M | trimmed -3% | 2024 Q4 |
| State Street | 2.53M | 1.84% | $37.5M | added +1% | 2021 Q3 |
| Morgan Stanley | 2.23M | 1.62% | $33.1M | added +0.7% | 2014 Q3 |
| Marshall Wace | 1.87M | 1.36% | $27.8M | added +19% | 2025 Q2 |
| Renaissance Technologies | 1.66M | 1.21% | $24.7M | added +4.6% | 2021 Q4 |
| D. E. Shaw | 1.57M | 1.14% | $23.3M | added +2.7% | 2018 Q1 |
| Geode Capital | 1.54M | 1.12% | $22.8M | added +1.9% | 2017 Q1 |
| Vanguard Group | 1.49M | 1.08% | $22.1M | added +1.8% | 2017 Q4 |
| Goldman Sachs | 1.43M | 1.04% | $21.3M | added +42.4% | 2016 Q1 |
| Jacobs Levy Equity Management, INC | 1.10M | 0.80% | $16.3M | trimmed -3.7% | 2024 Q4 |
| LSV Asset Management | 1.04M | 0.76% | $15.4M | added +58.3% | 2025 Q4 |
| Nomura Asset Management International INC. | 968.9k | 0.70% | $14.4M | trimmed -16.2% | 2025 Q2 |
| Man Group | 951.4k | 0.69% | $14.1M | added +11.6% | 2024 Q3 |
| AQR Capital | 948.8k | 0.69% | $14.1M | added +97.1% | 2022 Q4 |
| Qube Research & Technologies LTD | 930.6k | 0.68% | $13.8M | added +6.4% | 2024 Q4 |
| Northern Trust | 824.1k | 0.60% | $12.2M | added +3% | 2021 Q3 |
| Jupiter Asset Management LTD | 803.4k | 0.58% | $11.9M | trimmed -10.7% | 2025 Q1 |
| Janus Henderson | 757.4k | 0.55% | $11.2M | added +9.7% | 2021 Q4 |
| BNP Paribas Financial Markets | 750.2k | 0.55% | $11.1M | added +19.7% | 2021 Q4 |
| Nuveen | 653.4k | 0.47% | $9.7M | trimmed -1.8% | 2023 Q3 |
| UBS | 619.1k | 0.45% | $9.2M | added +142.6% | 2015 Q4 |
| DZ Bank AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 615.1k | 0.45% | $9.1M | added +4.7% | 2025 Q1 |
| Prudential Financial INC | 590.6k | 0.43% | $8.8M | added +58.5% | 2025 Q1 |
| Voloridge Investment Management | 528.2k | 0.38% | $7.8M | trimmed -28.6% | 2025 Q3 |
| Trexquant Investment LP | 524.0k | 0.38% | $7.8M | trimmed -23.2% | 2020 Q3 |
| Rice Hall James & Associates, LLC | 487.9k | 0.35% | $7.2M | trimmed -1.6% | 2025 Q1 |
| Charles Schwab Investment Management | 461.9k | 0.34% | $6.9M | added +6.8% | 2022 Q2 |
| Woodline Partners LP | 456.3k | 0.33% | $6.8M | unchanged | 2022 Q2 |
| Jane Street | 452.1k | 0.33% | $6.7M | trimmed -50.4% | 2019 Q4 |
| O'shaughnessy Asset Management, LLC | 414.0k | 0.30% | $6.1M | added +7% | 2024 Q3 |
| Connor, Clark & Lunn Investment Management LTD. | 395.4k | 0.29% | $5.9M | added +3.1% | 2024 Q3 |
| Bank OF America CORP /DE/ | 371.8k | 0.27% | $5.5M | added +1.1% | 2016 Q4 |
| American Century Companies INC | 365.2k | 0.27% | $5.4M | trimmed -9.4% | 2024 Q3 |
| Norris Financial Group, LLC | 342.5k | 0.25% | $5.1M | trimmed -1% | 2021 Q1 |
| BNY Mellon | 335.8k | 0.24% | $5.0M | added +1.9% | 2022 Q2 |
| IFP Advisors, INC | 327.8k | 0.24% | $4.9M | added +19.3% | 2024 Q3 |
| Walleye Capital LLC | 325.8k | 0.24% | $4.8M | added +1023.1% | 2025 Q1 |
| Squarepoint Ops LLC | 319.8k | 0.23% | $4.7M | trimmed -28% | 2024 Q4 |
| FMR (Fidelity) | 318.8k | 0.23% | $4.7M | added +18.8% | 2017 Q1 |
| Ritholtz Wealth Management | 314.4k | 0.23% | $4.7M | added +21.5% | 2025 Q3 |
| Nordea Investment Management AB | 292.2k | 0.21% | $4.3M | trimmed -3.9% | 2023 Q2 |
| Healthcare OF Ontario Pension Plan Trust Fund | 275.3k | 0.20% | $4.1M | opened | 2026 Q1 |
| Wells Fargo & COMPANY/MN | 275.2k | 0.20% | $4.1M | added +4.1% | 2017 Q2 |
| Citadel Advisors | 274.6k | 0.20% | $4.1M | trimmed -64.8% | 2016 Q3 |
| LOS Angeles Capital Management LLC | 274.2k | 0.20% | $4.1M | added +122.1% | 2025 Q4 |
| Raymond James Financial INC | 265.8k | 0.19% | $3.9M | added +14.3% | 2023 Q1 |
Largest 50 of 247 shown; the full ranked, searchable register is at boothcheck.com/holders/AUPH. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.