Who Owns KALARIS THERAPEUTICS INC (KLRS)? -- Institutional Holders (2026-06-30)
66 institutions reported holding $73.4M of KALARIS THERAPEUTICS INC (KLRS) in SEC 13F filings for 2026-06-30. Largest institutional holders: SAMSARA BIOCAPITAL, LLC ($52.4M), RTW INVESTMENTS, LP ($5.3M), Alyeska Investment Group, L.P. ($2.3M), VANGUARD GROUP INC ($1.9M), Siren, L.L.C. ($1.8M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | SAMSARA BIOCAPITAL, LLC | $52.4M | 12.9M | Trimmed |
| 2 | RTW INVESTMENTS, LP | $5.3M | 1.3M | Hold |
| 3 | Alyeska Investment Group, L.P. | $2.3M | 572,687 | Hold |
| 4 | VANGUARD GROUP INC | $1.9M | 465,616 | Added |
| 5 | Siren, L.L.C. | $1.8M | 435,798 | Hold |
| 6 | Ikarian Capital, LLC | $1.5M | 360,000 | Hold |
| 7 | UBS Group AG | $1.1M | 262,131 | Added |
| 8 | RENAISSANCE TECHNOLOGIES LLC | $607,859 | 149,351 | Added |
| 9 | MARSHALL WACE, LLP | $566,549 | 139,201 | Added |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $464,287 | 114,037 | Added |
| 11 | ADAR1 Capital Management, LLC | $407,000 | 100,000 | Hold |
| 12 | Woodline Partners LP | $407,000 | 100,000 | Hold |
| 13 | WHI TRUST Co LLC | $396,797 | 97,493 | Hold |
| 14 | RAYMOND JAMES FINANCIAL INC | $395,457 | 97,164 | Trimmed |
| 15 | CITADEL ADVISORS LLC | $389,792 | 95,772 | New |
| 16 | BOOTHBAY FUND MANAGEMENT, LLC | $375,502 | 92,261 | Hold |
| 17 | Verdad Advisers, LP | $326,809 | 80,297 | New |
| 18 | MORGAN STANLEY | $294,367 | 72,326 | Added |
| 19 | BlackRock, Inc. | $221,580 | 54,442 | Added |
| 20 | Belpointe Asset Management LLC | $162,800 | 40,000 | Hold |
| 21 | Fortis Capital Advisors, LLC | $162,800 | 40,000 | Hold |
| 22 | Pale Fire Capital SE | $161,278 | 39,626 | New |
| 23 | Squarepoint Ops LLC | $157,814 | 38,775 | Trimmed |
| 24 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $132,275 | 32,500 | Added |
| 25 | Stonepine Capital Management, LLC | $122,597 | 30,122 | Added |
Source: SEC Form 13F filings · as of 2026-06-30