Kalaris Therapeutics Inc (KLRS) Stock Price History
Historical prices from 2025 to 2026
- 1M
- -9.6%
- 3M
- -52.8%
- YTD
- -47.8%
- 1Y
- +56.9%
- 3Y
- -22.0%
- 5Y
- -13.8%
Loading 10-year price history...
KLRS Historical Performance
KLRS Annual Returns
Year-by-year price performance · 2025–2026
- 2025 annual price return
- -7.5%
- 2026 annual price return
- +26.0%
KLRS Stock Price Trajectory (2025–2026)
As of June 13, 2026, Kalaris Therapeutics Inc (KLRS) trades at $4.33, representing a +56.9% return over the past year. The stock has delivered a -52.5% total return over five years (-13.8% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $12.90 on March 20, 2025. From this peak, KLRS has corrected -66.4%, currently trading 35% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers REPL (-10.2% 1Y), ADMA (-62.0% 1Y), and TGTX (+32.5% 1Y), KLRS has underperformed the peer group average. Compare KLRS vs REPL →
KLRS Historical Price Data · from 2025
Rows 1–50 of 316| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-12 | 4.38 | 4.68 | 4.28 | 4.33 | 34K | -2.26% |
| 2026-06-11 | 4.13 | 4.43 | 4.10 | 4.43 | 59K | +6.49% |
| 2026-06-10 | 4.06 | 4.26 | 4.04 | 4.16 | 48K | +1.84% |
| 2026-06-09 | 4.26 | 4.26 | 4.02 | 4.08 | 104K | -2.04% |
| 2026-06-08 | 4.54 | 4.54 | 4.15 | 4.17 | 58K | -6.08% |
| 2026-06-05 | 4.66 | 4.66 | 4.41 | 4.44 | 141K | -4.72% |
| 2026-06-04 | 4.80 | 4.83 | 4.66 | 4.66 | 39K | -1.27% |
| 2026-06-03 | 4.66 | 4.97 | 4.66 | 4.72 | 46K | +1.51% |
| 2026-06-02 | 4.92 | 4.92 | 4.56 | 4.65 | 99K | -5.10% |
| 2026-06-01 | 5.25 | 5.28 | 4.90 | 4.90 | 65K | -7.02% |
| 2026-05-29 | 5.21 | 5.38 | 5.11 | 5.27 | 145K | +1.74% |
| 2026-05-28 | 5.24 | 5.40 | 5.09 | 5.18 | 40K | -1.15% |
| 2026-05-27 | 5.30 | 5.43 | 5.08 | 5.24 | 82K | +0.58% |
| 2026-05-26 | 5.48 | 5.60 | 5.16 | 5.21 | 156K | +5.89% |
| 2026-05-22 | 5.08 | 5.21 | 4.71 | 4.92 | 0 | -3.91% |
| 2026-05-21 | 4.75 | 5.15 | 4.75 | 5.12 | 34K | +6.00% |
| 2026-05-20 | 4.67 | 4.92 | 4.56 | 4.83 | 53K | +2.77% |
| 2026-05-19 | 4.61 | 4.84 | 4.61 | 4.70 | 21K | -0.84% |
| 2026-05-18 | 4.89 | 5.05 | 4.52 | 4.74 | 78K | -3.27% |
| 2026-05-15 | 5.29 | 5.29 | 4.89 | 4.90 | 34K | -6.13% |
| 2026-05-14 | 4.90 | 5.39 | 4.84 | 5.22 | 171K | +8.07% |
| 2026-05-13 | 4.75 | 4.91 | 4.52 | 4.83 | 119K | +0.84% |
| 2026-05-12 | 4.74 | 4.90 | 4.52 | 4.79 | 163K | +1.27% |
| 2026-05-11 | 5.02 | 5.05 | 4.69 | 4.73 | 89K | -5.78% |
| 2026-05-08 | 5.17 | 5.24 | 4.99 | 5.02 | 41K | -2.52% |
| 2026-05-07 | 5.06 | 5.18 | 4.98 | 5.15 | 103K | +1.78% |
| 2026-05-06 | 5.36 | 5.37 | 5.06 | 5.06 | 106K | -4.53% |
| 2026-05-05 | 5.51 | 5.62 | 5.20 | 5.30 | 108K | -4.16% |
| 2026-05-04 | 5.49 | 5.67 | 5.44 | 5.53 | 55K | +1.28% |
| 2026-05-01 | 5.53 | 5.71 | 5.44 | 5.46 | 86K | -1.09% |
| 2026-04-30 | 5.67 | 5.73 | 5.44 | 5.52 | 215K | +0.18% |
| 2026-04-29 | 5.65 | 5.75 | 5.45 | 5.51 | 92K | -2.22% |
| 2026-04-28 | 6.00 | 6.03 | 5.48 | 5.63 | 153K | -6.40% |
| 2026-04-27 | 6.06 | 6.13 | 6.02 | 6.02 | 17K | -1.47% |
| 2026-04-24 | 6.07 | 6.26 | 6.05 | 6.11 | 26K | +0.16% |
| 2026-04-23 | 6.33 | 6.49 | 6.00 | 6.10 | 32K | -3.63% |
| 2026-04-22 | 6.27 | 6.62 | 6.20 | 6.33 | 54K | +0.80% |
| 2026-04-21 | 6.54 | 6.61 | 6.24 | 6.28 | 46K | -4.85% |
| 2026-04-20 | 6.20 | 6.68 | 6.14 | 6.60 | 91K | +4.43% |
| 2026-04-17 | 6.68 | 6.68 | 6.11 | 6.32 | 106K | -4.10% |
| 2026-04-16 | 6.08 | 6.68 | 6.00 | 6.59 | 180K | +12.27% |
| 2026-04-15 | 5.84 | 5.99 | 5.42 | 5.87 | 166K | +0.86% |
| 2026-04-14 | 6.29 | 6.37 | 5.66 | 5.82 | 140K | -7.77% |
| 2026-04-13 | 6.16 | 6.40 | 6.03 | 6.31 | 39K | +0.16% |
| 2026-04-10 | 5.90 | 6.38 | 5.79 | 6.30 | 63K | +3.79% |
| 2026-04-09 | 6.40 | 6.64 | 5.83 | 6.07 | 67K | -4.26% |
| 2026-04-08 | 6.73 | 7.14 | 6.24 | 6.34 | 114K | -1.86% |
| 2026-04-07 | 6.24 | 6.73 | 6.17 | 6.46 | 124K | +3.03% |
| 2026-04-06 | 5.84 | 6.32 | 5.83 | 6.27 | 130K | +8.29% |
| 2026-04-02 | 5.75 | 6.09 | 5.53 | 5.79 | 24K | -2.44% |
What if you invested $1,000 in KLRS 10 years ago?
Total return calculator · dividends reinvested
Calculate ReturnsHow much would $100/month in KLRS be worth today?
Dollar cost averaging vs lump sum · see how regular investing compounds over time
Run the NumbersIs KLRS Undervalued Right Now?
DCF intrinsic value, peer multiples, and analyst estimates — see what the stock is really worth.
View ValuationKLRS vs LLY — which is the better buy?
Side-by-side revenue, margins, P/E and 10-year returns vs Eli Lilly and Company.
Compare NowKLRS — Frequently Asked Questions
Quick answers to the most common questions about buying KLRS stock.
How has KLRS stock performed recently?
KLRS returned +56.9% over the past year, beating its 5-year annualized CAGR of -13.8%. The stock trades below its 200-day moving average, confirming the uptrend.
What is KLRS's all-time high price?
Kalaris Therapeutics Inc reached $12.90 on 2025-03-20. The 52-week high is $11.88. Current 1-year return of +56.9% places the stock closer to historical peaks.
Where can I download KLRS historical price data?
This page provides KLRS daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2025-2026, downloadable in CSV format.