Kalaris Therapeutics, Inc. (NASDAQ:KLRS) is held by 58 institutional investors per 13F filings through March 2026.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| Samsara BioCapital, LLC | 31 Mar, 2026 | 12,948,081 | 0 | 0.00% | $74,710,427.00 |
| RTW INVESTMENTS, LP | 31 Mar, 2026 | 1,300,000 | 0 | 0.00% | $7,501,000.00 |
| Paradigm Biocapital Advisors LP | 31 Mar, 2026 | 700,000 | 0 | 0.00% | $4,039,000.00 |
| Alyeska Investment Group, L.P. | 31 Mar, 2026 | 572,687 | 169,136 | 41.91% | $3,274,750.00 |
| Siren, L.L.C. | 31 Mar, 2026 | 435,798 | 0 | 0.00% | $2,514,554.00 |
| Ikarian Capital, LLC | 31 Mar, 2026 | 360,000 | 0 | 0.00% | $2,077,200.00 |
| Propel Bio Management, LLC | 31 Mar, 2026 | 295,771 | 253,718 | 603.33% | $1,721,024.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 255,348 | 255,348 | 0.00% | $1,473,358.00 |
| Kalehua Capital Management LLC | 31 Mar, 2026 | 135,585 | -4,316 | -3.09% | $782,325.00 |
| Raymond James Financial Inc | 31 Mar, 2026 | 118,887 | 30,451 | 34.43% | $685,978.00 |
| Goldman Sachs Group Inc | 31 Mar, 2026 | 110,503 | 41,897 | 61.07% | $637,602.00 |
| Woodline Partners LP | 31 Mar, 2026 | 100,000 | 0 | 0.00% | $577,000.00 |
| ADAR1 Capital Management, LLC | 31 Mar, 2026 | 100,000 | -100,000 | -50.00% | $577,000.00 |
| WHI TRUST Co LLC | 31 Mar, 2026 | 97,493 | 0 | 0.00% | $562,535.00 |
| BOOTHBAY FUND MANAGEMENT, LLC | 31 Mar, 2026 | 92,261 | 0 | 0.00% | $532,346.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 87,545 | 4,898 | 5.93% | $505,341.00 |
| Simplify Asset Management Inc. | 31 Mar, 2026 | 87,426 | 67,352 | 335.52% | $504,448.00 |
| MARSHALL WACE, LLP | 31 Mar, 2026 | 67,879 | -4,997 | -6.86% | $391,662.00 |
| RENAISSANCE TECHNOLOGIES LLC | 31 Mar, 2026 | 66,151 | -21,600 | -24.62% | $381,691.00 |
| MILLENNIUM MANAGEMENT LLC | 31 Mar, 2026 | 59,534 | 59,534 | 0.00% | $343,511.00 |