| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Lynx1 Capital Management LP | 7.8% | $5,531,593 | 733,633 | Lynx1 Capital Management LP | 23 Dec 2025 | |||
| Nantahala Capital Management, LLC | 6.4% | $5,394,000 | 600,000 | Nantahala Capital Management, LLC | 31 Dec 2025 | |||
| VANGUARD GROUP INC | 5.2% | $3,921,910 | 489,639 | The Vanguard Group | 31 Dec 2025 | |||
| CITADEL ADVISORS LLC | 3.9% | $6,163,449 | 369,733 | Citadel Advisors LLC | 31 Dec 2024 | |||
| Deep Track Capital, LP | 3% | $3,638,575 | 277,966 | Deep Track Capital, LP | 30 Jun 2025 | |||
| FMR LLC | 0.4% | $303,227 | 37,857 | FMR LLC | 31 Dec 2025 | |||
| ALLIANCEBERNSTEIN L.P. | 0.1% | -92% | $100,793 | -$9,138,050 | 7,700 | -99% | AllianceBernstein L.P. | 30 Jun 2025 |
As of 31 Dec 2025, 82 institutional investors reported holding 7,561,789 shares of Korro Bio, Inc. - Common Stock, par value $0.001 per share (KRRO). This represents 80% of the company’s total 9,419,152 outstanding shares.
The largest institutional shareholders of Korro Bio, Inc. - Common Stock, par value $0.001 per share (KRRO) together control 75% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Atlas Venture Life Science Advisors, LLC | 12% | 1,137,149 | 0% | 1.1% | $9,108,563 |
| NEA Management Company, LLC | 12% | 1,090,793 | 0% | 0.45% | $8,737,252 |
| Lynx1 Capital Management LP | 7.2% | 677,915 | 1.1% | $5,430,099 | |
| Nantahala Capital Management, LLC | 6.4% | 600,000 | 0.29% | $4,806,000 | |
| VANGUARD GROUP INC | 5.2% | 489,639 | +24% | 0% | $3,922,009 |
| BlackRock, Inc. | 4.9% | 457,399 | +2.4% | 0% | $3,663,766 |
| TCG Crossover Management, LLC | 4.4% | 416,301 | 0% | 0.11% | $3,334,571 |
| Siren, L.L.C. | 3.7% | 347,718 | -17% | 0.08% | $2,785,221 |
| JANE STREET GROUP, LLC | 3.1% | 288,457 | 0% | $2,310,541 | |
| 72 Investment Holdings, LLC | 2.9% | 276,831 | 0% | 4.4% | $2,217,416 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2.1% | 196,827 | 0% | $1,576,584 | |
| GEODE CAPITAL MANAGEMENT, LLC | 1.7% | 162,760 | -0.11% | 0% | $1,303,924 |
| MILLENNIUM MANAGEMENT LLC | 1.7% | 161,092 | -38% | 0% | $1,290,347 |
| STATE STREET CORP | 1.6% | 146,221 | +17% | 0% | $1,171,230 |
| TWO SIGMA INVESTMENTS, LP | 0.84% | 78,984 | +23% | 0% | $632,662 |
| RENAISSANCE TECHNOLOGIES LLC | 0.8% | 74,900 | +85% | 0% | $599,949 |
| MORGAN STANLEY | 0.74% | 69,728 | -58% | 0% | $558,521 |
| F/m Investments LLC | 0.7% | 65,548 | +19% | 0.02% | $525,039 |
| EMERALD MUTUAL FUND ADVISERS TRUST | 0.7% | 65,548 | +11% | 0.03% | $525,039 |
| CITADEL ADVISORS LLC | 0.62% | 58,329 | -62% | 0% | $467,215 |
| XTX Topco Ltd | 0.61% | 57,067 | 0.01% | $457,107 | |
| NORTHERN TRUST CORP | 0.59% | 55,640 | -2.9% | 0% | $445,677 |
| GOLDMAN SACHS GROUP INC | 0.55% | 51,950 | +231% | 0% | $416,120 |
| Graham Capital Management, L.P. | 0.43% | 40,766 | 0.01% | $326,536 | |
| AQR CAPITAL MANAGEMENT LLC | 0.43% | 40,647 | -16% | 0% | $325,582 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 7,561,789 | $60,569,573 | -$128,778,003 | $8.01 | 82 |
| 2025 Q3 | 9,720,188 | $465,499,291 | +$39,225,055 | $47.89 | 90 |
| 2025 Q2 | 8,912,049 | $111,311,830 | -$12,666,834 | $12.49 | 68 |
| 2025 Q1 | 9,704,902 | $168,963,706 | -$381,515 | $17.41 | 75 |
| 2024 Q4 | 9,447,026 | $359,649,124 | +$39,856,612 | $38.07 | 83 |
| 2024 Q3 | 8,537,080 | $285,308,897 | -$12,430,500 | $33.42 | 70 |
| 2024 Q2 | 8,435,947 | $285,725,569 | +$37,204,728 | $33.87 | 63 |
| 2024 Q1 | 6,909,485 | $618,593,997 | +$31,054,435 | $90.00 | 48 |
| 2023 Q4 | 5,491,489 | $260,365,563 | +$260,365,563 | $47.93 | 38 |