KLRS
Kalaris Therapeutics, Inc.
Biological Products, (No Diagnostic Substances)Nasdaq<br>Emerging growth company
Total Trades
2
Buys
1
Sells
1
Largest Trade
$1M+
Insiders
2
Institutional Funds
37
Inst. Value
$1M+
Activist Filings
6
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| AKKARAJU SRINIVAS | Director | BUY | $1M+ | 480K | $10.42 | Feb 18, 2026 |
| Hagen Brett R | Chief Accounting O… | SELL | $1K–$15K | 907 | $8.97 | Mar 27, 2025 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 37 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Samsara BioCapital, LLC | 12.9M | $1M+ | SH |
| Siren, L.L.C. | 436K | $1M+ | SH |
| Alyeska Investment Group, L.P. | 404K | $1M+ | SH |
| Ikarian Capital, LLC | 360K | $1M+ | SH |
| VANGUARD GROUP INC | 255K | $1M+ | SH |
| Kalehua Capital Management LLC | 140K | $1M+ | SH |
| ADAR1 Capital Management, LLC | 100K | $500K+ | SH |
| ADAR1 Capital Management, LLC | 100K | $500K+ | SH |
| WHI TRUST Co LLC | 97K | $500K+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 88K | $500K+ | SH |
| Redmile Group, LLC | 83K | $500K+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 70K | $500K+ | SH |
| Propel Bio Management, LLC | 42K | $100K–$500K | SH |
| Belpointe Asset Management LLC | 40K | $100K–$500K | SH |
| Fortis Capital Advisors, LLC | 40K | $100K–$500K | SH |
| JANE STREET GROUP, LLC | 33K | $100K–$500K | SH |
| OMERS ADMINISTRATION Corp | 30K | $100K–$500K | SH |
| STATE STREET CORP | 25K | $100K–$500K | SH |
| Squarepoint Ops LLC | 25K | $100K–$500K | SH |
| Simplify Asset Management Inc. | 20K | $100K–$500K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13D/A · Feb 18, 2026
47.9%
11.0M shares
SC 13D/A · Dec 22, 2025
50.0%
11.4M shares
SC 13G/A · Jul 29, 2025
1.5%
283K shares
SC 13G/A · May 15, 2025
1.1%
202K shares
SC 13D · Mar 25, 2025
61.2%
11.4M shares
SC 13G/A · Mar 20, 2025
3.9%
723K shares