Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
308 institutional managers reported holding APLS for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 59%. 116 opened new positions; 84 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 13.54M | 10.30% | $544.7M | added +116.2% | 2017 Q4 |
| Avoro Capital Advisors LLC (focused) | 12.22M | 9.30% | $491.8M | unchanged | 2021 Q1 |
| Vanguard Group | 10.96M | 8.34% | $441.0M | added +2.7% | 2017 Q4 |
| Morgan Stanley | 10.04M | 7.64% | $404.1M | added +9.5% | 2017 Q4 |
| State Street | 6.84M | 5.21% | $275.4M | added +48.4% | 2017 Q4 |
| UBS | 6.39M | 4.86% | $257.0M | added +46.3% | 2017 Q4 |
| Pentwater Capital Management LP | 5.25M | 4.00% | $211.2M | opened | 2026 Q1 |
| Deep Track Capital, LP | 4.53M | 3.45% | $182.4M | trimmed -41.5% | 2024 Q1 |
| Point72 | 4.18M | 3.18% | $168.3M | added +600% | 2025 Q3 |
| RTW Investments, LP | 3.69M | 2.80% | $148.3M | trimmed -51.9% | 2025 Q4 |
| HBK Investments L P | 3.55M | 2.70% | $142.8M | opened | 2026 Q1 |
| Suvretta Capital Management, LLC | 3.52M | 2.68% | $141.6M | trimmed -15% | 2024 Q4 |
| Millennium Management | 2.26M | 1.72% | $90.8M | added +138.4% | 2018 Q2 |
| Geode Capital | 2.08M | 1.58% | $83.5M | added +2.4% | 2017 Q4 |
| Goldman Sachs | 1.98M | 1.51% | $79.7M | added +946.6% | 2018 Q2 |
| Balyasny Asset Management | 1.92M | 1.46% | $77.2M | added +2844% | 2025 Q4 |
| Dimensional Fund Advisors | 1.34M | 1.02% | $53.9M | added +640.1% | 2025 Q3 |
| Glazer Capital, LLC | 1.29M | 0.98% | $52.1M | opened | 2026 Q1 |
| First Trust Advisors LP | 1.25M | 0.95% | $50.5M | added +152.9% | 2022 Q1 |
| TIG Advisors, LLC | 1.25M | 0.95% | $50.4M | opened | 2026 Q1 |
| Toronto Dominion Bank | 1.24M | 0.94% | $49.7M | opened | 2026 Q1 |
| Healthcare OF Ontario Pension Plan Trust Fund | 1.20M | 0.92% | $48.4M | opened | 2026 Q1 |
| Bank OF America CORP /DE/ | 1.19M | 0.91% | $47.9M | added +24.5% | 2017 Q4 |
| Hudson Bay Capital | 1.19M | 0.91% | $47.9M | added +0.9% | 2023 Q1 |
| FIL LTD | 1.14M | 0.87% | $45.9M | opened | 2026 Q1 |
| Kryger Capital LLC | 1.10M | 0.84% | $44.3M | opened | 2026 Q1 |
| Soros Fund Management | 1.06M | 0.80% | $42.5M | opened | 2026 Q1 |
| Capitolis Liquid Global Markets LLC | 1.01M | 0.77% | $40.8M | opened | 2026 Q1 |
| Woodline Partners LP | 976.2k | 0.74% | $39.3M | added +79.8% | 2023 Q4 |
| Renaissance Technologies | 936.0k | 0.71% | $37.7M | added +47.8% | 2024 Q3 |
| Marshall Wace | 929.0k | 0.71% | $37.4M | trimmed -6.2% | 2022 Q1 |
| Man Group | 915.7k | 0.70% | $36.8M | added +534.7% | 2024 Q2 |
| Magnetar Financial LLC | 869.2k | 0.66% | $35.0M | opened | 2026 Q1 |
| Alpine Associates Management INC. | 864.0k | 0.66% | $34.8M | opened | 2026 Q1 |
| Oddo BHF Asset Management SAS | 825.0k | 0.63% | $33.2M | opened | 2026 Q1 |
| Kynam Capital Management, LP (focused) | 825.0k | 0.63% | $33.2M | trimmed -9.2% | 2025 Q3 |
| Northern Trust | 738.4k | 0.56% | $29.7M | added +6% | 2017 Q4 |
| Weiss Asset Management LP | 700.0k | 0.53% | $28.2M | opened | 2026 Q1 |
| Charles Schwab Investment Management | 675.9k | 0.51% | $27.2M | added +4.9% | 2017 Q4 |
| Citigroup INC | 657.2k | 0.50% | $26.4M | added +5.6% | 2017 Q4 |
| Tudor Investment | 650.0k | 0.49% | $26.2M | added +202.3% | 2025 Q4 |
| AllianceBernstein | 638.3k | 0.49% | $25.7M | added +1748.5% | 2017 Q4 |
| BNP Paribas Financial Markets | 585.3k | 0.45% | $23.5M | added +4.8% | 2017 Q4 |
| AQR Capital | 574.6k | 0.44% | $23.1M | trimmed -74.8% | 2024 Q1 |
| Ossiam | 556.0k | 0.42% | $22.4M | added +28.8% | 2025 Q2 |
| BNY Mellon | 524.8k | 0.40% | $21.1M | added +93% | 2017 Q4 |
| Two Sigma | 522.0k | 0.40% | $21.0M | trimmed -7.2% | 2024 Q2 |
| Principal Financial Group INC | 499.1k | 0.38% | $20.1M | opened | 2026 Q1 |
| Absolute Gestao de Investimentos Ltda. | 450.0k | 0.34% | $18.1M | opened | 2026 Q1 |
| Squarepoint Ops LLC | 449.8k | 0.34% | $18.1M | added +134.1% | 2024 Q2 |
Largest 50 of 308 shown; the full ranked, searchable register is at boothcheck.com/holders/APLS. 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.