| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Point72 Asset Management, L.P. | 8.7% | $19,336,141 | 816,905 | Steven A. Cohen | 30 Jun 2025 | |||
| Lynx1 Capital Management LP | 7.8% | $5,531,593 | 733,633 | Lynx1 Capital Management LP | 23 Dec 2025 | |||
| DRIEHAUS CAPITAL MANAGEMENT LLC | 7.2% | +38% | $32,181,170 | +$8,480,170 | 671,981 | +36% | DRIEHAUS CAPITAL MANAGEMENT LLC | 30 Sep 2025 |
| CITADEL ADVISORS LLC | 3.9% | $5,316,761 | 369,733 | Citadel Advisors LLC | 31 Dec 2024 | |||
| Deep Track Capital, LP | 3% | $6,579,455 | 277,966 | Deep Track Capital, LP | 30 Jun 2025 | |||
| ALLIANCEBERNSTEIN L.P. | 0.1% | -92% | $182,259 | -$16,523,885 | 7,700 | -99% | AllianceBernstein L.P. | 30 Jun 2025 |
As of 30 Sep 2025, 90 institutional investors reported holding 9,720,187 shares of Korro Bio, Inc. - Common Stock, par value $0.001 per share (KRRO). This represents 103% of the company’s total 9,405,551 outstanding shares.
The largest institutional shareholders of Korro Bio, Inc. - Common Stock, par value $0.001 per share (KRRO) together control 95% 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% | 7.2% | $54,458,066 |
| NEA Management Company, LLC | 12% | 1,090,793 | 0% | 2.9% | $52,238,077 |
| Driehaus Capital Management LLC | 7.1% | 671,981 | +16% | 0.23% | $32,181,170 |
| FMR LLC | 6% | 563,681 | -12% | 0% | $26,994,683 |
| Point72 Asset Management, L.P. | 5.7% | 531,969 | -1.5% | 0.06% | $25,475,995 |
| Cormorant Asset Management, LP | 4.9% | 465,000 | 0% | 1.5% | $22,268,850 |
| BlackRock, Inc. | 4.7% | 446,698 | -3.3% | 0% | $21,392,369 |
| Siren, L.L.C. | 4.5% | 418,833 | 0% | 0.78% | $20,057,912 |
| TCG Crossover Management, LLC | 4.4% | 416,301 | 0.98% | $19,936,655 | |
| VANGUARD GROUP INC | 4.2% | 395,659 | +2.3% | 0% | $18,948,109 |
| QIMING U.S. VENTURES MANAGEMENT, LLC | 3.9% | 368,085 | 0% | 32% | $17,627,591 |
| Tri Locum Partners LP | 3.6% | 337,764 | 0% | 3.7% | $16,175,518 |
| 72 Investment Holdings, LLC | 2.9% | 276,831 | 0% | 20% | $13,257,437 |
| Polar Capital Holdings Plc | 2.8% | 264,694 | +5.9% | 0.06% | $12,676,196 |
| MILLENNIUM MANAGEMENT LLC | 2.8% | 260,333 | +1.8% | 0.01% | $12,467,347 |
| JPMORGAN CHASE & CO | 2.1% | 199,249 | +6185% | 0% | $9,542,035 |
| MORGAN STANLEY | 1.8% | 167,494 | +105% | 0% | $8,021,288 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.7% | 162,932 | +4.9% | 0% | $7,804,182 |
| CITADEL ADVISORS LLC | 1.6% | 153,928 | -56% | 0.01% | $7,371,612 |
| RAYMOND JAMES FINANCIAL INC | 1.6% | 148,971 | +79% | 0% | $7,134,221 |
| STATE STREET CORP | 1.3% | 124,569 | +2.2% | 0% | $5,965,609 |
| Blue Owl Capital Holdings LP | 1.1% | 105,000 | -16% | 1.6% | $5,028,450 |
| Schonfeld Strategic Advisors LLC | 0.96% | 90,186 | 0.03% | $4,319,004 | |
| TWO SIGMA INVESTMENTS, LP | 0.69% | 64,455 | +75% | 0% | $3,086,750 |
| DAFNA Capital Management LLC | 0.65% | 60,804 | +5.4% | 0.72% | $2,911,904 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 102 | $817 | -$2,794,565 | $8.01 | 1 |
| 2025 Q3 | 9,720,187 | $465,499,339 | +$39,225,106 | $47.89 | 90 |
| 2025 Q2 | 8,912,049 | $111,311,830 | -$12,666,838 | $12.49 | 68 |
| 2025 Q1 | 9,704,902 | $168,963,476 | -$381,519 | $17.41 | 75 |
| 2024 Q4 | 9,447,026 | $359,648,909 | +$39,856,630 | $38.07 | 83 |
| 2024 Q3 | 8,537,080 | $285,308,637 | -$12,430,497 | $33.42 | 70 |
| 2024 Q2 | 8,435,947 | $285,725,959 | +$43,035,645 | $33.87 | 63 |
| 2024 Q1 | 553,263 | $48,609,352 | +$1,390,568 | $90.00 | 7 |
| 2023 Q4 | 6,564,425 | $301,506,221 | +$301,220,151 | $47.93 | 39 |