36 institutional investment managers reported MAIA positions in their Form 13F filings for Q2 2026, holding 13,524,351 shares worth $19.4M in total. Solas Capital Management, LLC reported the largest position.

Are funds buying or selling MAIA?

In Q2 2026, 13 managers opened new MAIA positions, 9 added, 3 trimmed and 10 sold out. Managers that filed in both quarters added a net 372,113 shares.

How current is this MAIA institutional ownership data?

It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Funds · MAIA

Who owns MAIA?

Institutional ownership of MAIA Biotechnology Inc. from Form 13F, Q2 2026

36 institutional managers reported holding MAIA Biotechnology Inc. (MAIA) in Form 13F filings for Q2 2026, with 13,524,351 shares worth $19.4M. The largest reported holder was Solas Capital Management, LLC. Managers that filed both quarters added a net 372,113 shares (+2.8%). 13 opened new positions and 10 sold out.

Funds holding: 36
Value held: $19.4M
New / sold out: 13 / 10
Net shares, same filers: +2.8%

Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Largest holders of MAIA

Fund	Value	Share of 13F holdings	Shares	Move
Solas Capital Management, LLC	$4.4M	22.4%	3,030,845	Trimmed
Alyeska Investment Group, L.P.	$3.6M	18.5%	2,500,000	Unchanged
Vanguard Capital Management LLC	$3.5M	17.8%	2,413,270	Added
683 Capital Management, LLC	$1.5M	7.9%	1,066,666	Unchanged
Centric Wealth Management	$1.1M	5.9%	796,723	Unchanged
Cable Car Capital, LP	$741K	3.8%	514,583	Trimmed
Geode Capital Management, LLC	$727K	3.7%	504,380	Added
Bleichroeder LP	$720K	3.7%	500,000	Unchanged
Renaissance Technologies LLC	$599K	3.1%	415,700	New
BlackRock, Inc.	$580K	3.0%	403,011	Added
Vanguard Fiduciary Trust Co	$485K	2.5%	336,688	Added
State Street Corp	$291K	1.5%	201,750	Added
Bleakley Financial Group, LLC	$262K	1.3%	181,623	New
Northern Trust Corp	$180K	0.9%	125,171	Added
Morgan Stanley	$150K	0.8%	104,017	Added
Bridgeway Capital Management, LLC	$109K	0.6%	76,000	Added
Two Sigma Investments, LP	$73K	0.4%	50,383	New
Envestnet Asset Management Inc	$64K	0.3%	44,347	New
Susquehanna International Group, LLP	$51K	0.3%	35,223	New
PVG Asset Management Corp	$49K	0.3%	34,135	First report
UBS Group AG	$48K	0.2%	33,435	Trimmed
Citadel Advisors LLC	$36K	0.2%	24,890	New
Cetera Investment Advisers	$33K	0.2%	22,748	New
Lazari Capital Management, Inc.	$31K	0.2%	21,750	New
Atria Investments, Inc	$30K	0.2%	21,100	New

Share of 13F holdings is each fund's shares as a share of the 13,524,351 MAIA shares all 13F filers reported, not of shares outstanding.

Biggest buyers in Q2 2026

Renaissance Technologies LLC New+$599K
Vanguard Capital Management LLC Added+$488K
BlackRock, Inc. Added+$396K
Bleakley Financial Group, LLC New+$262K
Geode Capital Management, LLC Added+$207K
Vanguard Fiduciary Trust Co Added+$198K
Morgan Stanley Added+$130K
Northern Trust Corp Added+$105K
State Street Corp Added+$90K
Two Sigma Investments, LP New+$73K

Biggest sellers in Q2 2026

Solas Capital Management, LLC Trimmed-$1.8M
Cable Car Capital, LP Trimmed-$193K
Corsair Capital Management, L.p. Sold out-$140K
Creative Planning Sold out-$40K
Ritholtz Wealth Management Sold out-$32K
O'Shaughnessy Asset Management, LLC Sold out-$28K
UBS Group AG Trimmed-$27K
Catalyst Funds Management Pty Ltd Sold out-$15K
Cambridge Investment Research Advisors, Inc. Sold out-$15K
Curio Wealth, LLC Sold out-$3K

The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $2.9M and sold $2.3M; 9 added and 3 trimmed.

Schedule 13D and 13G filings on MAIA

Owners of more than 5% must file within days, so these can be newer than the 13F data.

2026-05-15Solas Capital Management, LLC SCHEDULE 13G filed by MAIA Biotechnology Inc.Schedule 13G

Questions about MAIA ownership

Who owns MAIA stock?: 36 institutional investment managers reported MAIA positions in their Form 13F filings for Q2 2026, holding 13,524,351 shares worth $19.4M in total. Solas Capital Management, LLC reported the largest position.
Are funds buying or selling MAIA?: In Q2 2026, 13 managers opened new MAIA positions, 9 added, 3 trimmed and 10 sold out. Managers that filed in both quarters added a net 372,113 shares.
How current is this MAIA institutional ownership data?: It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to MAIA by CUSIP. Options are left out. MAIA news and filings · MAIA insider trades · Top funds