MAIA BIOTECHNOLOGY INC (MAIA)
Institutional ownership reported to the SEC as of Q2 2026, across 16 quarters.
Institutions report 13,795,793 shares against 60,825,844 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end.
Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| Solas Capital Management, LLC | $4.4M | 3,030,845 | 2.34% | 2q | -29.5%-$1.8M |
| Alyeska Investment Group, L.P. | $3.6M | 2,500,000 | 0.01% | 2q | HELD |
| VANGUARD CAPITAL MANAGEMENT LLC | $3.5M | 2,413,270 | 0.00% | 2q | +16.4%+$488.5K |
| 683 Capital Management, LLC | $1.5M | 1,066,666 | 0.08% | 2q | HELD |
| Centric Wealth Management | $1.1M | 796,723 | 0.17% | 15q | HELD |
| Cable Car Capital, LP | $741.0K | 514,583 | 0.02% | 2q | -20.7%-$192.8K |
| GEODE CAPITAL MANAGEMENT, LLC | $726.6K | 504,380 | 0.00% | 13q | +39.9%+$207.3K |
| Bleichroeder LP | $720.0K | 500,000 | 0.13% | 2q | HELD |
| RENAISSANCE TECHNOLOGIES LLC | $598.6K | 415,700 | 0.00% | new | NEW |
| STATE STREET CORP | $581.0K | 403,500 | 0.00% | 11q | +190.4%+$381.0K |
| BlackRock, Inc. | $580.3K | 403,011 | 0.00% | 8q | +214.9%+$396.0K |
| VANGUARD FIDUCIARY TRUST CO | $484.8K | 336,688 | 0.00% | 2q | +68.9%+$197.8K |
| Bleakley Financial Group, LLC | $261.5K | 181,623 | 0.00% | new | NEW |
| NORTHERN TRUST CORP | $180.2K | 125,171 | 0.00% | 11q | +138.2%+$104.6K |
| MORGAN STANLEY | $149.8K | 104,017 | 0.00% | 12q | +650.5%+$129.8K |
| ENVESTNET ASSET MANAGEMENT INC | $127.7K | 88,694 | 0.00% | new | NEW |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | $109.4K | 76,000 | 0.00% | 13q | +111.1%+$57.6K |
| TWO SIGMA INVESTMENTS, LP | $72.6K | 50,383 | 0.00% | new | NEW |
| CITADEL ADVISORS LLC | $71.7K | 49,780 | 0.00% | new | NEW |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $50.7K | 35,223 | 0.00% | new | NEW |
| PVG ASSET MANAGEMENT CORP | $49.2K | 34,135 | 0.03% | new | NEW |
| UBS Group AG | $48.1K | 33,435 | 0.00% | 3q | -35.6%-$26.6K |
| Cetera Investment Advisers | $32.8K | 22,748 | 0.00% | new | NEW |
| LAZARI CAPITAL MANAGEMENT, INC. | $31.3K | 21,750 | 0.01% | new | NEW |
| Atria Investments, Inc | $30.4K | 21,100 | 0.00% | new | NEW |
| Centerpoint Advisory Group | $22.7K | 15,730 | 0.01% | 5q | HELD |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $21.3K | 14,800 | 0.00% | 11q | HELD |
| Vanguard Global Advisers, LLC | $16.4K | 11,401 | 0.00% | 2q | HELD |
| OSAIC HOLDINGS, INC. | $12.0K | 8,334 | 0.00% | 7q | HELD |
| Daytona Street Capital LLC | $10.8K | 7,500 | 0.01% | 3q | HELD |
| BARCLAYS PLC | $6.0K | 4,152 | 0.00% | new | NEW |
| Tower Research Capital LLC (TRC) | $4.6K | 3,208 | 0.00% | new | NEW |
| MERCER GLOBAL ADVISORS INC /ADV | $655 | 455 | 0.00% | new | NEW |
| JONES FINANCIAL COMPANIES LLLP | $321 | 228 | 0.00% | 6q | HELD |
| Caitong International Asset Management Co., Ltd | $302 | 210 | 0.00% | new | NEW |
| WELLS FARGO & COMPANY/MN | $288 | 200 | 0.00% | new | NEW |
| CITIGROUP INC | $216 | 150 | 0.00% | 4q | +581.8% |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-08-14 | 13G/A | Solas Capital Management, LLCwith 1 co-filers | 4.9% |
What the insiders did
Open market purchases and sales reported on Form 4 in the last 180 days. Grants, option exercises and shares surrendered to cover tax are left out: they are compensation rather than a decision to buy or sell. Where a broker filled one order in tranches the lines are summed, because it was one decision.
Officers and directors
| Date | Insider | Role | Side | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-27 | Guerrero Ramiro | Director | Bought | 78,239 | $108.8K |
| 2026-06-01 | Smith Stan | Director | Bought | 75,000 | $100.2K |
Ten percent owners and entities
Usually an institution that crossed a reporting threshold, or a company taking a strategic stake, rather than an individual with a view.
| Date | Insider | Role | Side | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-01 | Vitoc Vlad | Chief Executive Officer | Bought | 72,700 | $100.9K |
| 2026-09-14 | Vitoc Vlad | Chief Executive Officer | Bought | 73,000 | $100.0K |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 37 | $19.8M | 13,795,793 | 15 | 9 | 3 | 0.0% |
| Q1 2026 | 31 | $18.4M | 13,117,835 | 9 | 7 | 2 | 0.0% |
| Q4 2025 | 26 | $4.1M | 2,516,804 | 8 | 8 | 0 | 0.0% |
| Q3 2025 | 19 | $3.5M | 2,373,804 | 3 | 4 | 3 | 0.0% |
| Q2 2025 | 20 | $4.0M | 2,284,355 | 4 | 10 | 0 | 0.0% |
| Q1 2025 | 20 | $2.3M | 1,477,270 | 3 | 5 | 5 | 0.0% |
| Q4 2024 | 20 | $2.8M | 1,390,935 | 6 | 6 | 2 | 0.0% |
| Q3 2024 | 17 | $4.1M | 1,467,323 | 2 | 4 | 2 | 0.0% |
| Q2 2024 | 20 | $6.1M | 1,788,061 | 5 | 8 | 4 | 0.0% |
| Q1 2024 | 19 | $1.5M | 681,112 | 3 | 6 | 6 | 0.0% |
| Q4 2023 | 21 | $963.8K | 808,335 | 9 | 9 | 1 | 0.0% |
| Q3 2023 | 13 | $699.6K | 318,278 | 5 | 5 | 0 | 0.0% |
| Q2 2023 | 11 | $709.1K | 321,911 | 6 | 4 | 1 | 0.0% |
| Q1 2023 | 6 | $246.7K | 71,531 | 2 | 2 | 0 | 0.0% |
| Q4 2022 | 6 | $1.0M | 297,126 | 3 | 2 | 1 | 0.0% |
| Q3 2022 | 7 | $763.0K | 231,277 | 7 | 0 | 0 | 0.0% |