IN8BIO INC INAB
COM NEW · Common Stock · CUSIP 45674E208
- SectorHealth care
- IndustryBiological Products, (No Diagnostic Substances)
- HeadquartersNew York, NY
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $1.41.
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q2 2025 | 12 |
| Q3 2025 | 18 |
| Q4 2025 | 22 |
| Q1 2026 | 19 |
| Q2 2026 | 21 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2025 | 12 | 4 |
| Q4 2025 | 15 | 9 |
| Q1 2026 | 5 | 11 |
| Q2 2026 | 8 | 4 |
Biggest buyers
| CITADEL ADVISORS LLC | New | +63.1k |
| OPPENHEIMER & CO INC | Added | +39.0k |
| Stonepine Capital Management, LLC | Added | +31.9k |
| RENAISSANCE TECHNOLOGIES LLC | New | +12.1k |
| Tower Research Capital LLC (TRC) | Added | +2.5k |
| NORTHERN TRUST CORP | Added | +1.3k |
| Texas Capital Bank Wealth Management Services Inc | Added | +656 |
| BARCLAYS PLC | New | +28 |
Biggest sellers
| BIOS Capital Management, LP | Reduced | -86.8k |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | -13.7k |
| XTX Topco Ltd | Sold out | -12.4k |
| UBS Group AG | Reduced | -479 |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| LYTTON LAURENCE W 13G · passive investor no change · filed 2026-08-13 | 10.0% |
| Alyeska Investment Group, L.P. 13G · institution new · filed 2026-02-17 | 9.9% |
| Stonepine Capital Management, LLC 13G · passive investor new · filed 2025-12-22 | 9.9% |
| FRANKLIN RESOURCES INC 13G · institution new · filed 2026-01-29 | 9.4% |
| 683 Capital Management, LLC 13G · passive investor new · filed 2025-12-30 | 7.9% |
Fell to 5% or below in the last year: FAIRBAIRN EMILY (2.2%, 2026-05-29)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| Alyeska Investment Group, L.P. 0.00% of their portfolio | 944.3k $1.3m | Unchanged |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 914.5k $1.3m | Unchanged |
| 683 Capital Management, LLC 0.09% of their portfolio | 724.6k $1.0m | Unchanged |
| Stonepine Capital Management, LLC 0.75% of their portfolio | 695.3k $980.4k | Added +31.9k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 88.9k $126.5k | Unchanged |
| BIOS Capital Management, LP 0.27% of their portfolio | 81.0k $114.1k | Reduced -86.8k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 72.5k $102.3k | Reduced -13.7k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 63.1k $88.9k | New |
| OPPENHEIMER & CO INC 0.00% of their portfolio | 63.0k $88.9k | Added +39.0k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 43.6k $62.0k | Unchanged |
| CAPTRUST FINANCIAL ADVISORS 0.00% of their portfolio | 33.3k $46.9k | Unchanged |
| Texas Capital Bank Wealth Management Services Inc 0.00% of their portfolio | 24.4k $34.4k | Added +656 |
| NORTHERN TRUST CORP 0.00% of their portfolio | 21.7k $30.6k | Added +1.3k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 12.1k $17.1k | New |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 3.7k $5.3k | Added +2.5k |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio | 2.8k $3.9k | Unchanged |
| JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio | 768 $1.0k | Unchanged |
| BlackRock, Inc. 0.00% of their portfolio | 84 $118 | Unchanged |
| Rockefeller Capital Management L.P. 0.00% of their portfolio | 83 $117 | Unchanged |
| BARCLAYS PLC 0.00% of their portfolio | 28 $39 | New |
| UBS Group AG 0.00% of their portfolio | 1 $1 | Reduced -479 |