$MAIA

$1.17 +$0.06 (5.41%) Close

$MAIA Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 60.8M shares outstanding

Who owns MAIA?

By type of holder

Institutions 22.2% Insiders 8.9% Everyone else 68.9%

Concentration Top 10 holders own 29.1%

Solas Capital Management, LLC 5.0% · Vlad Vitoc 6.3%

Institutional ownership

22.2%

+0.6 pts vs last qtr

Institutional holders

+2 vs last qtr

Net shares bought

+336.9K

by institutions in Q2 2026

New / sold out

12 / 10

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Renaissance Technologies LLC NEW +415.7K
Vanguard Capital Management LLC +339.2K

Biggest sellers in Q2 2026

Solas Capital Management, LLC −1.3M
Cable Car Capital, LP −133.9K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Maia Biotechnology Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2021–FY2025

+508.4%

+57.05% a year

Each share's claim on the business

−83.6%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $12.7M

over 5 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years34% 1–3 years3% Under 1 year63%

Quarterly turnover

13.6%

of institutional shares changed hands

Top 10 managers, median time held

1 quarter

Super Investors

Investment managers reporting MAIA on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
SC Solas Capital Management, LLC	3.0M	4.98%	−1.3M (−29.5%)	Q1 '26	2.3%
Shares held by quarter Peak holding4.3M (Q1'26) Change over 8 quarters+3.0M Share of the company4.980% Solas Capital Management, LLC's full portfolio →
AI Alyeska Investment Group, L.P.	2.5M	4.11%	Unchanged	Q1 '26	0.0%
Shares held by quarter Peak holding2.5M (Q1'26) Change over 8 quarters+2.5M Share of the company4.110% Alyeska Investment Group, L.P.'s full portfolio →

Solas Capital Management, LLC

3.0M

% of company

4.98%

Change vs last qtr

−1.3M (−29.5%)

Held since

Q1 '26

Alyeska Investment Group, L.P.

2.5M

% of company

4.11%

Change vs last qtr

Unchanged

Held since

Q1 '26

28 more super investors behind a free account

See every manager holding Maia Biotechnology Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MAIA on Form N-PORT; together they hold 5.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$2.41M	1.7M	2.76%	0.00%	June 30, 2026
VE Vanguard Extended Market Index Fund Vanguard Index Funds	$962K	668.1K	1.10%	0.00%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$2.41M

% of company

2.76%

% of the fund

0.00%

As of

June 30, 2026

Vanguard Extended Market Index Fund

Vanguard Index Funds

Position value

$962K

% of company

1.10%

% of the fund

0.00%

As of

June 30, 2026

8 more funds behind a free account

See every fund holding Maia Biotechnology Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
VV Vlad Vitoc 5%+ holder 13D · 9.7%	3.8M	6.32%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company6.320% Disclosed stake13D · 9.7% View the 13D/G filing →
SS Smith Stan Insider	1.5M	2.51%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company2.510% Smith Stan's insider activity →

Vlad Vitoc

5%+ holder13D · 9.7%

3.8M

% of company

6.32%

Change vs last qtr

—

Held since

—

Smith Stan

Insider

1.5M

% of company

2.51%

Change vs last qtr

—

Held since

—

5 more holders behind a free account

See every insider and 5%+ holder of Maia Biotechnology Inc.

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