Institutional Holders (2026 Q2)
86 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in GENB. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Flagship Pioneering, LLC | 68.66% | 62,673,117 | $1.06B |
| 2 | Harbourvest Partners LLC | 17.09% | 1,722,210 | $29.1M |
| 3 | ARCH Venture Management, LLC | 2.98% | 1,944,426 | $32.8M |
| 4 | Davern Capital Partners, LP | 2.37% | 824,679 | $13.9M |
| 5 | Braidwell LP | 2.05% | 3,283,844 | $55.4M |
| 6 | Sphera Funds Management LTD. | 0.54% | 245,000 | $4.1M |
| 7 | Harvard Management Co Inc | 0.44% | 1,111,100 | $18.7M |
| 8 | Deep Track Capital, LP | 0.33% | 1,333,815 | $22.5M |
| 9 | Affinity Asset Advisors, LLC | 0.30% | 400,000 | $6.7M |
| 10 | Siren, L.L.C. | 0.25% | 736,104 | $12.4M |
| 11 | ARK Investment Management LLC | 0.14% | 1,284,617 | $21.7M |
| 12 | Baker BROS. Advisors LP | 0.12% | 1,423,602 | $24.0M |
| 13 | CenterBook Partners LP | 0.11% | 131,560 | $2.2M |
| 14 | Virtus Investment Advisers, LLC | 0.10% | 26,430 | $446K |
| 15 | Seven Grand Managers, LLC | 0.08% | 125,000 | $2.1M |
| 16 | IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.04% | 37,226 | $628K |
| 17 | Axq Capital, LP | 0.02% | 12,946 | $218K |
| 18 | Nvidia Corp | 0.02% | 833,325 | $14.1M |
| 19 | Magnus Financial Group LLC | 0.02% | 15,600 | $263K |
| 20 | Alps Advisors Inc | 0.01% | 129,406 | $2.2M |
| 21 | Capital World Investors | 0.01% | 4,215,632 | $71.1M |
| 22 | Amova Asset Management Americas, Inc. | 0.01% | 38,218 | $644K |
| 23 | Stance Capital LLC | 0.01% | 1,384 | $23K |
| 24 | LMR Partners LLP | 0.01% | 100,000 | $1.7M |
| 25 | Benson Wealth Management INC | 0.01% | 363 | $6K |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|