MAIA · MAIA Biotechnology, Inc. · Shareholders & Ownership

$1.12 +0.05 (+4.67%)

Market Cap

$65.08M

60.83M

Volume · Oct 20 168.99K Avg daily vol (3M) 482.28K

Every disclosed holder of MAIA in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns MAIA

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	36	13,524,005	22.23%	Yes
Insiders (Forms 3, 4, 5)	7	3,921,997	6.45%	Yes
13D/G-only blocks	1	2,889,561	4.75%	Yes
Remaining	—	40,490,281	66.57%	Rest
Registered funds (N-PORT, not summed)	10	2,953,595	4.86%	No

Shares outstanding: 60,825,844, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of MAIA

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	Solas Capital Management, LLC 13F CIK 1604867 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	3,030,845	4.98%	-1,266,159	Jun 30, 2026	carried, not yet filed for the newest quarter
1.1	Solas Capital Management, LLC 13G CIK 1604867 · Registered investment adviser · Jun 30, 2026 Rule 13d-1(b), qualified institution, not summed	3,030,845	4.98%	-1,266,159	Jun 30, 2026	Rule 13d-1(b), qualified institution, not summed
2	FGMK Business Holdings, LLC 13G CIK 2058041 · Unknown · Sep 14, 2024 Rule 13d-1(c), passive investor	2,889,561	4.75%	—	Sep 14, 2024	Rule 13d-1(c), passive investor
3	Alyeska Investment Group, L.P. 13F CIK 1453072 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,500,000	4.11%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
4	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,413,270	3.97%	+339,225	Jun 30, 2026	carried, not yet filed for the newest quarter
5	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	1,676,861	2.76%	0	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
6	Vitoc Vlad Insider CIK 1913257 · Sep 14, 2026 Director, Chief Executive Officer, 10% Owner, issuer-wide	1,259,221	2.07%	+73,000	Sep 14, 2026	Director, Chief Executive Officer, 10% Owner, issuer-wide
6.1	Vlad Vitoc 13D CIK 1913257 · Unknown · Nov 21, 2025 not summed	3,846,352	6.32%	+329,002	Nov 21, 2025	not summed
7	Louie Ngar Yee Insider CIK 1913264 · Dec 22, 2025 Director, issuer-wide	1,248,888	2.05%	+81,699	Dec 22, 2025	Director, issuer-wide
7.1	Louie Ngar Yee 13D CIK 1913264 · Mar 14, 2024 not summed	1,585,456	2.61%	—	Mar 14, 2024	not summed
8	683 Capital Management, LLC 13F CIK 1404574 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,066,666	1.75%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
9	Centric Wealth Management 13F CIK 1752761 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	796,723	1.31%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
10	Guerrero Ramiro Insider CIK 1913253 · Sep 10, 2026 Director, issuer-wide	773,296	1.27%	+37,595	Sep 10, 2026	Director, issuer-wide
11	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	668,115	1.10%	+341,125	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
12	Cable Car Capital, LP 13F CIK 1699575 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	514,583	0.85%	-133,920	Jun 30, 2026	carried, not yet filed for the newest quarter
13	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	504,380	0.83%	+143,899	Jun 30, 2026	carried, not yet filed for the newest quarter
14	Bleichroeder LP 13F CIK 1781002 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	500,000	0.82%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
15	Luput Cristian Insider CIK 1913350 · Nov 28, 2025 Director, issuer-wide	437,628	0.72%	+38,145	Nov 28, 2025	Director, issuer-wide
16	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	415,700	0.68%	+415,700	Jun 30, 2026	carried, not yet filed for the newest quarter
17	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	403,011	0.66%	+275,033	Jun 30, 2026	carried, not yet filed for the newest quarter
17.1	iShares Micro-Cap ETF Fund S000004439 · Registered fund · Jun 30, 2026 iShares Trust, not summed	178,862	0.29%	+102,719	Jun 30, 2026	iShares Trust, not summed
18	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	336,688	0.55%	+137,374	Jun 30, 2026	carried, not yet filed for the newest quarter
19	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	201,750	0.33%	+62,800	Jun 30, 2026	carried, not yet filed for the newest quarter
20	Bleakley Financial Group, LLC 13F CIK 1936953 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	181,623	0.30%	+181,623	Jun 30, 2026	carried, not yet filed for the newest quarter
21	Fidelity Extended Market Index Fund Fund S000006021 · Registered fund · May 31, 2026 Fidelity Concord Street Trust, not summed	175,856	0.29%	+6,523	May 31, 2026	Fidelity Concord Street Trust, not summed
22	CHAOUKI STEVEN M Insider CIK 1776865 · Dec 22, 2025 President, US Markets, issuer-wide	151,873	0.25%	+40,849	Dec 22, 2025	President, US Markets, issuer-wide
23	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	125,171	0.21%	+72,632	Jun 30, 2026	carried, not yet filed for the newest quarter
24	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	104,017	0.17%	+90,158	Jun 30, 2026	carried, not yet filed for the newest quarter
25	BRIDGEWAY CAPITAL MANAGEMENT, LLC 13F CIK 1107261 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	76,000	0.12%	+40,000	Jun 30, 2026	carried, not yet filed for the newest quarter
25.1	Ultra-Small Company Market Fund Fund S000004424 · Registered fund · Jun 30, 2026 Bridgeway Funds, Inc., not summed	76,000	0.12%	+40,000	Jun 30, 2026	Bridgeway Funds, Inc., not summed
26	Fidelity Total Market Index Fund Fund S000006026 · Registered fund · May 31, 2026 Fidelity Concord Street Trust, not summed	50,558	0.08%	0	May 31, 2026	Fidelity Concord Street Trust, not summed
27	TWO SIGMA INVESTMENTS, LP 13F CIK 1179392 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	50,383	0.08%	+50,383	Jun 30, 2026	carried, not yet filed for the newest quarter
28	Fidelity Series Total Market Index Fund Fund S000065248 · Registered fund · May 31, 2026 Fidelity Concord Street Trust, not summed	47,019	0.08%	+3,705	May 31, 2026	Fidelity Concord Street Trust, not summed
29	Gryaznov Sergei Insider CIK 1913228 · Jun 1, 2026 Chief Scientific Officer, issuer-wide	46,511	0.08%	+2,000	Jun 1, 2026	Chief Scientific Officer, issuer-wide
29.1	Sergei M. Gryaznov 13G CIK 1913228 · Unknown · Dec 31, 2023 Rule 13d-1(d), exempt investor, not summed	1,140,115	1.87%	—	Dec 31, 2023	Rule 13d-1(d), exempt investor, not summed
30	ENVESTNET ASSET MANAGEMENT INC 13F CIK 1407543 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	44,347	0.07%	+44,347	Jun 30, 2026	carried, not yet filed for the newest quarter
31	VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND Fund S000002855 · Registered fund · Jun 30, 2026 VANGUARD INSTITUTIONAL INDEX FUNDS, not summed	39,706	0.07%	0	Jun 30, 2026	VANGUARD INSTITUTIONAL INDEX FUNDS, not summed
32	SUSQUEHANNA INTERNATIONAL GROUP, LLP 13F CIK 1446194 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	35,223	0.06%	+35,223	Jun 30, 2026	carried, not yet filed for the newest quarter
33	PVG ASSET MANAGEMENT CORP 13F CIK 820434 · Registered investment adviser · Sep 30, 2026	34,135	0.06%	0	Sep 30, 2026
34	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	33,435	0.06%	-18,482	Jun 30, 2026	carried, not yet filed for the newest quarter
35	VANGUARD BALANCED INDEX FUND Fund S000002560 · Registered fund · Jun 30, 2026 VANGUARD VALLEY FORGE FUNDS, not summed	28,588	0.05%	-1,900	Jun 30, 2026	VANGUARD VALLEY FORGE FUNDS, not summed
36	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	24,890	0.04%	+24,890	Jun 30, 2026	carried, not yet filed for the newest quarter
37	Cetera Investment Advisers 13F CIK 1666741 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	22,748	0.04%	+22,748	Jun 30, 2026	carried, not yet filed for the newest quarter
38	LAZARI CAPITAL MANAGEMENT, INC. 13F CIK 1986389 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	21,750	0.04%	+21,750	Jun 30, 2026	carried, not yet filed for the newest quarter
39	Atria Investments, Inc 13F CIK 1535865 · Registered investment adviser · Sep 30, 2026	20,754	0.03%	-346	Sep 30, 2026
40	Centerpoint Advisory Group 13F CIK 2054093 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	15,730	0.03%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
41	WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 13F CIK 1632972 · Unknown · Sep 30, 2026	14,800	0.02%	0	Sep 30, 2026
42	1290 VT Micro Cap Portfolio Fund S000044688 · Registered fund · Jun 30, 2026 EQ Advisors Trust, not summed	12,030	0.02%	+7,357	Jun 30, 2026	EQ Advisors Trust, not summed
43	Vanguard Global Advisers, LLC 13F CIK 1811242 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	11,401	0.02%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
44	OSAIC HOLDINGS, INC. 13F CIK 1677044 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	8,334	0.01%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
45	Daytona Street Capital LLC 13F CIK 2101936 · Unknown · Sep 30, 2026	7,500	0.01%	0	Sep 30, 2026
46	Smith Stan Insider CIK 1913199 · Jun 1, 2026 Director, issuer-wide	4,580	0.01%	—	Jun 1, 2026	Director, issuer-wide
46.1	The Stan V. Smith Trust Dated 1993 13D CIK 1913199 · Apr 28, 2023 not summed	1,547,933	2.54%	—	Apr 28, 2023	not summed
47	BARCLAYS PLC 13F CIK 312069 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	4,152	0.01%	+4,152	Jun 30, 2026	carried, not yet filed for the newest quarter
48	Tower Research Capital LLC (TRC) 13F CIK 1533421 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	3,208	0.01%	+3,208	Jun 30, 2026	carried, not yet filed for the newest quarter
49	JONES FINANCIAL COMPANIES LLLP 13F CIK 815917 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	228	0.00%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
50	Caitong International Asset Management Co., Ltd 13F CIK 1963355 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	210	0.00%	+210	Jun 30, 2026	carried, not yet filed for the newest quarter

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 52 holders

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Key facts CIK 1878313 CUSIP 552641102 13F (30d) 6 filings 6 filers Visit website Investor relations