# KALARIS THERAPEUTICS INC (KLRS)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/KLRS/

- Reporting holders: 57
- Reported value: $74.0M
- Shares held by institutions: 18,188,385 of 23,804,981 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [SAMSARA BIOCAPITAL, LLC](https://holderbook.com/funds/1744967-samsara-biocapital-llc/) | $52.4M | 12,881,175 | 4.3% | 6 |
| [RTW INVESTMENTS, LP](https://holderbook.com/funds/1493215-rtw-investments-lp/) | $5.3M | 1,300,000 | 0.0% | 3 |
| [Alyeska Investment Group, L.P.](https://holderbook.com/funds/1453072-alyeska-investment-group-l-p/) | $2.3M | 572,687 | 0.0% | 3 |
| [Siren, L.L.C.](https://holderbook.com/funds/2005245-siren-l-l-c/) | $1.8M | 435,798 | 0.0% | 6 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $1.6M | 398,712 | 0.0% | 2 |
| [Ikarian Capital, LLC](https://holderbook.com/funds/1778253-ikarian-capital-llc/) | $1.5M | 360,000 | 0.2% | 3 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $1.1M | 262,131 | 0.0% | 6 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $779.6K | 191,544 | 0.0% | 1 |
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $607.9K | 149,351 | 0.0% | 6 |
| [MARSHALL WACE, LLP](https://holderbook.com/funds/1318757-marshall-wace-llp/) | $566.5K | 139,201 | 0.0% | 6 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $464.3K | 114,037 | 0.0% | 6 |
| [Woodline Partners LP](https://holderbook.com/funds/1784547-woodline-partners-lp/) | $407.0K | 100,000 | 0.0% | 4 |
| [ADAR1 Capital Management, LLC](https://holderbook.com/funds/1940272-adar1-capital-management-llc/) | $407.0K | 100,000 | 0.0% | 3 |
| [WHI TRUST Co LLC](https://holderbook.com/funds/2013902-whi-trust-co-llc/) | $396.8K | 97,493 | 0.3% | 3 |
| [RAYMOND JAMES FINANCIAL INC](https://holderbook.com/funds/720005-raymond-james-financial-inc/) | $395.5K | 97,164 | 0.0% | 3 |
| [BOOTHBAY FUND MANAGEMENT, LLC](https://holderbook.com/funds/1549230-boothbay-fund-management-llc/) | $375.5K | 92,261 | 0.0% | 3 |
| [Verdad Advisers, LP](https://holderbook.com/funds/1812822-verdad-advisers-lp/) | $326.8K | 80,297 | 0.3% | 1 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $294.4K | 72,326 | 0.0% | 6 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $269.3K | 66,179 | 0.0% | 2 |
| [Stonepine Capital Management, LLC](https://holderbook.com/funds/1440771-stonepine-capital-management-llc/) | $245.2K | 60,244 | 0.1% | 2 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $221.6K | 54,442 | 0.0% | 6 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $215.8K | 53,020 | 0.0% | 6 |
| [Belpointe Asset Management LLC](https://holderbook.com/funds/1721242-belpointe-asset-management-llc/) | $162.8K | 40,000 | 0.0% | 4 |
| [Fortis Capital Advisors, LLC](https://holderbook.com/funds/1959790-fortis-capital-advisors-llc/) | $162.8K | 40,000 | 0.0% | 4 |
| [Pale Fire Capital SE](https://holderbook.com/funds/1922318-pale-fire-capital-se/) | $161.3K | 39,626 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 57 | $74.0M |
| Q1 2026 | 58 | $108.0M |
| Q4 2025 | 51 | $152.0M |
| Q3 2025 | 31 | $76.4M |
| Q2 2025 | 29 | $35.7M |
| Q1 2025 | 32 | $111.4M |