21 institutions reported holding $5.3M of IN8BIO INC (INAB) in SEC 13F filings for 2026-06-30. Largest institutional holders: Alyeska Investment Group, L.P. ($1.3M), FRANKLIN RESOURCES INC ($1.3M), 683 Capital Management, LLC ($1.0M), Stonepine Capital Management, LLC ($980,355), VANGUARD GROUP INC ($188,588). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Alyeska Investment Group, L.P. | $1.3M | 944,319 | Hold |
| 2 | FRANKLIN RESOURCES INC | $1.3M | 914,531 | Hold |
| 3 | 683 Capital Management, LLC | $1.0M | 724,637 | Hold |
| 4 | Stonepine Capital Management, LLC | $980,355 | 695,287 | Added |
| 5 | VANGUARD GROUP INC | $188,588 | 132,435 | Hold |
| 6 | BIOS Capital Management, LP | $114,149 | 80,957 | Trimmed |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $102,298 | 72,550 | Trimmed |
| 8 | CITADEL ADVISORS LLC | $88,908 | 63,055 | New |
| 9 | OPPENHEIMER & CO INC | $88,889 | 63,042 | Added |
| 10 | CAPTRUST FINANCIAL ADVISORS | $46,946 | 33,295 | Hold |
| 11 | Texas Capital Bank Wealth Management Services Inc | $34,412 | 24,406 | Added |
| 12 | NORTHERN TRUST CORP | $30,645 | 21,734 | Added |
| 13 | RENAISSANCE TECHNOLOGIES LLC | $17,061 | 12,100 | New |
| 14 | Tower Research Capital LLC (TRC) | $5,271 | 3,738 | Added |
| 15 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $3,927 | 2,785 | Hold |
| 16 | JONES FINANCIAL COMPANIES LLLP | $1,044 | 768 | Hold |
| 17 | BlackRock, Inc. | $118 | 84 | Hold |
| 18 | Rockefeller Capital Management L.P. | $117 | 83 | Hold |
| 19 | BARCLAYS PLC | $39 | 28 | New |
| 20 | UBS Group AG | $1 | 1 | Trimmed |
| 21 | XTX Topco Ltd | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30