HolderBook

MAIA BIOTECHNOLOGY INC (MAIA)

Institutional ownership reported to the SEC as of Q2 2026, across 16 quarters.

37
Reporting holders
$19.8M
Reported value
22.7%
Of shares outstanding
0.0%
Calls
0.0%
Puts
+6
Holder change

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

Download these holders as CSV

FilerValueShares Their book Held Change
Solas Capital Management, LLC$4.4M3,030,8452.34%2q-29.5%-$1.8M
Alyeska Investment Group, L.P.$3.6M2,500,0000.01%2qHELD
VANGUARD CAPITAL MANAGEMENT LLC$3.5M2,413,2700.00%2q+16.4%+$488.5K
683 Capital Management, LLC$1.5M1,066,6660.08%2qHELD
Centric Wealth Management$1.1M796,7230.17%15qHELD
Cable Car Capital, LP$741.0K514,5830.02%2q-20.7%-$192.8K
GEODE CAPITAL MANAGEMENT, LLC$726.6K504,3800.00%13q+39.9%+$207.3K
Bleichroeder LP$720.0K500,0000.13%2qHELD
RENAISSANCE TECHNOLOGIES LLC$598.6K415,7000.00%newNEW
STATE STREET CORP$581.0K403,5000.00%11q+190.4%+$381.0K
BlackRock, Inc.$580.3K403,0110.00%8q+214.9%+$396.0K
VANGUARD FIDUCIARY TRUST CO$484.8K336,6880.00%2q+68.9%+$197.8K
Bleakley Financial Group, LLC$261.5K181,6230.00%newNEW
NORTHERN TRUST CORP$180.2K125,1710.00%11q+138.2%+$104.6K
MORGAN STANLEY$149.8K104,0170.00%12q+650.5%+$129.8K
ENVESTNET ASSET MANAGEMENT INC$127.7K88,6940.00%newNEW
BRIDGEWAY CAPITAL MANAGEMENT, LLC$109.4K76,0000.00%13q+111.1%+$57.6K
TWO SIGMA INVESTMENTS, LP$72.6K50,3830.00%newNEW
CITADEL ADVISORS LLC$71.7K49,7800.00%newNEW
SUSQUEHANNA INTERNATIONAL GROUP, LLP$50.7K35,2230.00%newNEW
PVG ASSET MANAGEMENT CORP$49.2K34,1350.03%newNEW
UBS Group AG$48.1K33,4350.00%3q-35.6%-$26.6K
Cetera Investment Advisers$32.8K22,7480.00%newNEW
LAZARI CAPITAL MANAGEMENT, INC.$31.3K21,7500.01%newNEW
Atria Investments, Inc$30.4K21,1000.00%newNEW
Centerpoint Advisory Group$22.7K15,7300.01%5qHELD
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC$21.3K14,8000.00%11qHELD
Vanguard Global Advisers, LLC$16.4K11,4010.00%2qHELD
OSAIC HOLDINGS, INC.$12.0K8,3340.00%7qHELD
Daytona Street Capital LLC$10.8K7,5000.01%3qHELD
BARCLAYS PLC$6.0K4,1520.00%newNEW
Tower Research Capital LLC (TRC)$4.6K3,2080.00%newNEW
MERCER GLOBAL ADVISORS INC /ADV$6554550.00%newNEW
JONES FINANCIAL COMPANIES LLLP$3212280.00%6qHELD
Caitong International Asset Management Co., Ltd$3022100.00%newNEW
WELLS FARGO & COMPANY/MN$2882000.00%newNEW
CITIGROUP INC$2161500.00%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 →

FiledFormFiler % of class
2026-08-1413G/ASolas Capital Management, LLCwith 1 co-filers4.9%

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

DateInsiderRoleSideSharesValue
2026-08-27Guerrero RamiroDirectorBought78,239$108.8K
2026-06-01Smith StanDirectorBought75,000$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.

DateInsiderRoleSideSharesValue
2026-06-01Vitoc VladChief Executive OfficerBought72,700$100.9K
2026-09-14Vitoc VladChief Executive OfficerBought73,000$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.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q2 202637$19.8M13,795,79315930.0%
Q1 202631$18.4M13,117,8359720.0%
Q4 202526$4.1M2,516,8048800.0%
Q3 202519$3.5M2,373,8043430.0%
Q2 202520$4.0M2,284,35541000.0%
Q1 202520$2.3M1,477,2703550.0%
Q4 202420$2.8M1,390,9356620.0%
Q3 202417$4.1M1,467,3232420.0%
Q2 202420$6.1M1,788,0615840.0%
Q1 202419$1.5M681,1123660.0%
Q4 202321$963.8K808,3359910.0%
Q3 202313$699.6K318,2785500.0%
Q2 202311$709.1K321,9116410.0%
Q1 20236$246.7K71,5312200.0%
Q4 20226$1.0M297,1263210.0%
Q3 20227$763.0K231,2777000.0%