KLRS — KALARIS THERAPEUTICS INC
Reported value held$6.83M
Funds holding (latest)16
SectorHealth Care
Funds holding (Q2 2026)12
Institutional value$3.91M · 960.86K sh
New / Add / Cut / Exit2 / 7 / 2 / 2
Top-5 / Top-10 concentration79.1% / 99.2%
Institutional holdings change
Accumulating +80.0%
(+427.06K sh)
Institutional value change
Up +27.0%
As of Q2 2026, 12 SEC-registered investment managers reported holding KLRS (KALARIS THERAPEUTICS INC) in their latest 13F filings, with a combined reported value of $3.91M across 960.86K shares. That is +80.0% by share count (+427.06K shares) versus the previous quarter, while reported value moved +27.0%. Ownership is concentrated: the five largest holders account for 79.1% of reported value and the top ten for 99.2%.
Compared with the prior quarter, 2 opened new positions, 7 added to existing stakes, 2 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
KLRS is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
Q2 2026 — 12 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| UBS Group AG history | 262.13K | $1.07M | 0.00% | Add |
| Renaissance Technologies history | 149.35K | $607.86K | 0.00% | Add |
| Marshall Wace history | 139.20K | $566.55K | 0.00% | Add |
| Geode Capital Management history | 114.04K | $464.29K | 0.00% | Add |
| Citadel Advisors history | 95.77K | $389.79K | 0.00% | New |
| Morgan Stanley history | 72.33K | $294.37K | 0.00% | Add |
| BlackRock Inc history | 54.44K | $221.58K | 0.00% | Add |
| Northern Trust Corp history | 25.84K | $105.17K | 0.00% | Add |
| Two Sigma Investments history | 23.85K | $97.06K | 0.00% | Reduce |
| Goldman Sachs Group history | 16.05K | $65.34K | 0.00% | Reduce |
| Fidelity Management & Research (FMR) history | 7.81K | $31.77K | 0.00% | Hold |
| JPMorgan Chase & Co history | 50 | $211 | 0.00% | New |
Q1 2026 — 12 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Goldman Sachs Group history | 110.50K | $637.60K | 0.00% | Add |
| Geode Capital Management history | 87.55K | $505.34K | 0.00% | Add |
| Marshall Wace history | 67.88K | $391.66K | 0.00% | Reduce |
| Renaissance Technologies history | 66.15K | $381.69K | 0.00% | Reduce |
| Millennium Management history | 59.53K | $343.51K | 0.00% | New |
| Morgan Stanley history | 38.34K | $221.25K | 0.00% | Add |
| BlackRock Inc history | 36.04K | $207.97K | 0.00% | Reduce |
| Two Sigma Investments history | 30.65K | $176.85K | 0.00% | Add |
| Northern Trust Corp history | 14.45K | $83.37K | 0.00% | Add |
| Citigroup Inc history | 8.70K | $50.22K | 0.00% | Add |
| Fidelity Management & Research (FMR) history | 7.81K | $45.04K | 0.00% | Hold |
| UBS Group AG history | 6.18K | $35.68K | 0.00% | Add |
Q4 2025 — 14 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Vanguard Group history | 292.79K | $2.47M | 0.00% | Add |
| Renaissance Technologies history | 87.75K | $740.62K | 0.00% | Reduce |
| Geode Capital Management history | 82.65K | $697.60K | 0.00% | Add |
| Marshall Wace history | 72.88K | $615.07K | 0.00% | Add |
| BlackRock Inc history | 38.45K | $324.55K | 0.00% | Reduce |
| Goldman Sachs Group history | 34.30K | $289.52K | 0.00% | Add |
| Morgan Stanley history | 27.95K | $235.88K | 0.00% | Add |
| Two Sigma Investments history | 27.76K | $234.29K | 0.00% | New |
| Northern Trust Corp history | 13.65K | $115.24K | 0.00% | New |
| Fidelity Management & Research (FMR) history | 7.81K | $65.88K | 0.00% | Hold |
| Bank of America Corp history | 6.70K | $56.58K | 0.00% | Add |
| UBS Group AG history | 2.69K | $22.71K | 0.00% | Reduce |
| JPMorgan Chase & Co history | 50 | $422 | 0.00% | Hold |
| Citigroup Inc history | 1 | $8 | 0.00% | Hold |
Q3 2025 — 13 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Vanguard Group history | 203.05K | $1.17M | 0.00% | Add |
| Renaissance Technologies history | 112.75K | $651.70K | 0.00% | Add |
| Geode Capital Management history | 64.55K | $373.15K | 0.00% | Add |
| BlackRock Inc history | 40.38K | $233.39K | 0.00% | Add |
| Millennium Management history | 24.92K | $144.06K | 0.00% | Reduce |
| Morgan Stanley history | 24.92K | $144.03K | 0.00% | Add |
| Goldman Sachs Group history | 22.46K | $129.85K | 0.00% | New |
| Marshall Wace history | 14.12K | $81.58K | 0.00% | Hold |
| Fidelity Management & Research (FMR) history | 7.81K | $45.12K | 0.00% | Hold |
| UBS Group AG history | 5.25K | $30.36K | 0.00% | Add |
| Bank of America Corp history | 217 | $1.25K | 0.00% | Reduce |
| JPMorgan Chase & Co history | 50 | $289 | 0.00% | Hold |
| Citigroup Inc history | 1 | $6 | 0.00% | New |
Q2 2025 — 16 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Vanguard Group history | 129.84K | $346.67K | 0.00% | Add |
| Renaissance Technologies history | 96.75K | $258.32K | 0.00% | Add |
| Renaissance Technologies history | 96.75K | $258.32K | 0.00% | Add |
| Millennium Management history | 54.09K | $144.43K | 0.00% | Add |
| BlackRock Inc history | 38.16K | $101.88K | 0.00% | Add |
| BlackRock Inc history | 38.16K | $101.88K | 0.00% | Add |
| Geode Capital Management history | 25.48K | $68.04K | 0.00% | Reduce |
| Marshall Wace history | 14.12K | $37.69K | 0.00% | Hold |
| Fidelity Management & Research (FMR) history | 7.81K | $20.84K | 0.00% | Hold |
| Fidelity Management & Research (FMR) history | 7.81K | $20.84K | 0.00% | Hold |
| UBS Group AG history | 4.12K | $10.99K | 0.00% | Reduce |
| Morgan Stanley history | 1.96K | $5.24K | 0.00% | Add |
| Morgan Stanley history | 1.96K | $5.24K | 0.00% | Add |
| Bank of America Corp history | 273 | $729 | 0.00% | Reduce |
| JPMorgan Chase & Co history | 50 | $134 | 0.00% | Reduce |
| JPMorgan Chase & Co history | 50 | $134 | 0.00% | Reduce |
Q1 2025 — 16 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Vanguard Group history | 115.09K | $924.14K | 0.00% | New |
| BlackRock Inc history | 27.51K | $220.94K | 0.00% | New |
| BlackRock Inc history | 27.51K | $220.94K | 0.00% | New |
| Geode Capital Management history | 26.79K | $215.17K | 0.00% | New |
| Renaissance Technologies history | 19.25K | $154.59K | 0.00% | New |
| Renaissance Technologies history | 19.25K | $154.59K | 0.00% | New |
| Millennium Management history | 16.58K | $133.15K | 0.00% | New |
| Marshall Wace history | 14.12K | $113.34K | 0.00% | New |
| UBS Group AG history | 9.26K | $74.37K | 0.00% | New |
| Fidelity Management & Research (FMR) history | 7.81K | $62.68K | 0.00% | New |
| Fidelity Management & Research (FMR) history | 7.81K | $62.68K | 0.00% | New |
| Bank of America Corp history | 5.42K | $43.55K | 0.00% | New |
| Morgan Stanley history | 1.30K | $10.41K | 0.00% | New |
| Morgan Stanley history | 1.30K | $10.41K | 0.00% | New |
| JPMorgan Chase & Co history | 295 | $2.37K | 0.00% | New |
| JPMorgan Chase & Co history | 295 | $2.37K | 0.00% | New |
New Positions (Q2 2026)
- Citadel Advisors 95.77K sh · $389.79K
- JPMorgan Chase & Co 50 sh · $211
Fully Exited (vs previous quarter)
- Millennium Management sold 59.53K sh · $343.51K
- Citigroup Inc sold 8.70K sh · $50.22K
Fund Position History — shares by quarter (top 16 funds)
| Fund | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 |
|---|---|---|---|---|---|---|
| UBS Group AG | 262.13K | 6.18K | 2.69K | 5.25K | 4.12K | 9.26K |
| Renaissance Technologies | 149.35K | 66.15K | 87.75K | 112.75K | 96.75K | 19.25K |
| Marshall Wace | 139.20K | 67.88K | 72.88K | 14.12K | 14.12K | 14.12K |
| Geode Capital Management | 114.04K | 87.55K | 82.65K | 64.55K | 25.48K | 26.79K |
| Citadel Advisors | 95.77K | — | — | — | — | — |
| Morgan Stanley | 72.33K | 38.34K | 27.95K | 24.92K | 1.96K | 1.30K |
| BlackRock Inc | 54.44K | 36.04K | 38.45K | 40.38K | 38.16K | 27.51K |
| Northern Trust Corp | 25.84K | 14.45K | 13.65K | — | — | — |
| Two Sigma Investments | 23.85K | 30.65K | 27.76K | — | — | — |
| Goldman Sachs Group | 16.05K | 110.50K | 34.30K | 22.46K | — | — |
| Fidelity Management & Research (FMR) | 7.81K | 7.81K | 7.81K | 7.81K | 7.81K | 7.81K |
| JPMorgan Chase & Co | 50 | — | 50 | 50 | 50 | 295 |
| Bank of America Corp | — | — | 6.70K | 217 | 273 | 5.42K |
| Citigroup Inc | — | 8.70K | 1 | 1 | — | — |
| Millennium Management | — | 59.53K | — | 24.92K | 54.09K | 16.58K |
| Vanguard Group | — | — | 292.79K | 203.05K | 129.84K | 115.09K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details