Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
222 institutional managers reported holding CGON for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 60%. 56 opened new positions; 26 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| RTW Investments, LP | 6.98M | 8.26% | $473.5M | added +247.1% | 2024 Q1 |
| T. Rowe Price Investment Management, INC. | 6.72M | 7.95% | $455.6M | added +15958.3% | 2025 Q4 |
| Vanguard Group | 6.67M | 7.90% | $452.5M | added +2.1% | 2024 Q1 |
| Decheng Capital LLC (focused) | 6.37M | 7.54% | $431.9M | unchanged | 2024 Q1 |
| Wellington Management | 5.37M | 6.36% | $364.1M | trimmed -10.5% | 2024 Q1 |
| BlackRock | 5.06M | 5.99% | $343.3M | added +4.6% | 2024 Q1 |
| FMR (Fidelity) | 3.76M | 4.45% | $255.2M | trimmed -12.4% | 2024 Q1 |
| TCG Crossover Management, LLC (focused) | 3.67M | 4.34% | $248.8M | unchanged | 2024 Q1 |
| T. Rowe Price | 3.65M | 4.32% | $247.6M | added +6.1% | 2024 Q1 |
| State Street | 2.65M | 3.13% | $179.4M | trimmed -11.7% | 2024 Q1 |
| UBS | 2.38M | 2.81% | $161.1M | trimmed -21.2% | 2024 Q1 |
| Foresite Capital Management VI LLC (focused) | 2.22M | 2.63% | $150.6M | unchanged | 2024 Q4 |
| Geode Capital | 1.60M | 1.89% | $108.3M | added +5.6% | 2024 Q1 |
| Seven Fleet Capital Management LP | 1.52M | 1.79% | $102.7M | unchanged | 2025 Q4 |
| Franklin Resources | 1.51M | 1.78% | $102.2M | trimmed -3.5% | 2024 Q1 |
| Bank OF America CORP /DE/ | 1.45M | 1.72% | $98.3M | added +21.8% | 2024 Q1 |
| DV Trading LLC | 1.44M | 1.70% | $97.6M | unchanged | 2025 Q4 |
| AllianceBernstein | 1.29M | 1.53% | $87.5M | trimmed -20% | 2024 Q1 |
| Goldman Sachs | 1.16M | 1.37% | $78.6M | trimmed -12.5% | 2024 Q2 |
| Acorn Capital Advisors, LLC (focused) | 1.13M | 1.34% | $76.6M | unchanged | 2024 Q4 |
| EcoR1 Capital, LLC (focused) | 1.10M | 1.30% | $74.7M | added +42.7% | 2025 Q4 |
| Foresite Capital Management V, LLC (focused) | 1.00M | 1.19% | $68.1M | unchanged | 2024 Q1 |
| Driehaus Capital Management LLC | 999.6k | 1.18% | $67.8M | opened | 2026 Q1 |
| Braidwell LP | 984.8k | 1.17% | $66.8M | trimmed -47.4% | 2024 Q1 |
| Orbimed Advisors LLC | 948.3k | 1.12% | $64.3M | trimmed -37.5% | 2024 Q3 |
| Clearbridge Investments, LLC | 730.3k | 0.86% | $49.5M | added +3.6% | 2025 Q3 |
| Polar Capital Holdings PLC | 704.5k | 0.83% | $47.8M | trimmed -35.9% | 2024 Q1 |
| Farallon Capital | 674.0k | 0.80% | $45.7M | added +8325% | 2025 Q2 |
| Logos Global Management LP | 575.0k | 0.68% | $39.0M | added +187.5% | 2025 Q4 |
| Charles Schwab Investment Management | 542.4k | 0.64% | $36.8M | unchanged | 2024 Q1 |
| Candriam S.c.a. | 542.0k | 0.64% | $36.7M | trimmed -32% | 2025 Q2 |
| Morgan Stanley | 520.2k | 0.62% | $35.3M | trimmed -4.6% | 2024 Q1 |
| Northern Trust | 519.7k | 0.61% | $35.2M | added +7.8% | 2024 Q1 |
| Woodline Partners LP | 492.9k | 0.58% | $33.4M | unchanged | 2024 Q1 |
| Jennison Associates LLC | 476.1k | 0.56% | $32.3M | added +68.5% | 2025 Q4 |
| Fisher Investments | 465.0k | 0.55% | $31.5M | opened | 2026 Q1 |
| Ensign Peak Advisors, INC | 456.0k | 0.54% | $30.9M | trimmed -14.1% | 2024 Q2 |
| Dimensional Fund Advisors | 438.7k | 0.52% | $29.7M | trimmed -4.9% | 2025 Q1 |
| Adage Capital Partners GP, L.l.c. | 399.9k | 0.47% | $27.1M | opened | 2026 Q1 |
| Point72 | 399.4k | 0.47% | $27.1M | added +163.9% | 2024 Q1 |
| Pictet Asset Management Holding SA | 398.0k | 0.47% | $27.0M | trimmed -70.5% | 2024 Q4 |
| Caption Management, LLC | 378.5k | 0.45% | $25.7M | added +23.3% | 2025 Q4 |
| Eventide Asset Management, LLC | 370.0k | 0.44% | $25.1M | added +18.4% | 2025 Q4 |
| Lord, Abbett & CO. LLC | 340.2k | 0.40% | $23.1M | added +170.8% | 2025 Q4 |
| First Trust Advisors LP | 333.2k | 0.39% | $22.6M | added +83.3% | 2025 Q3 |
| Ameriprise Financial INC | 311.5k | 0.37% | $21.1M | added +29.5% | 2024 Q2 |
| Elmind Capital, LP (focused) | 291.8k | 0.34% | $19.8M | trimmed -40.8% | 2025 Q4 |
| TD Asset Management INC | 288.8k | 0.34% | $19.6M | added +54.9% | 2024 Q2 |
| TimesSquare Capital Management, LLC | 253.7k | 0.30% | $17.2M | trimmed -40.4% | 2024 Q1 |
| Stempoint Capital LP | 205.6k | 0.24% | $13.9M | opened | 2025 Q1 |
Largest 50 of 222 shown; the full ranked, searchable register is at boothcheck.com/holders/CGON. 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.