65% buyers of institutions opening or closing positions this quarter
6 more new buyers than exits, ownership rose 27.74 percentage points vs the prior quarter, and no widely-followed fund managers in the top 25.
65% buyers of institutions opening or closing positions this quarter
35.7% institutional ownership
Solas Capital Management, portfolio allocation
Institutional ownership vs Biotechnology peers
2 Form 4 filings β executives buying or selling their own stock
Latest positioning in MAIA across 13F flow, ownership shift, marquee holders, and holder-count growth.
Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MAIA held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Solas Capital Management, LLC | 4.3M | $6.0M | β | 11.115% | 3.46% |
| 2 | Alyeska Investment Group, L.P. | 2.5M | $3.5M | β | 6.467% | 0.01% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2.1M | $2.9M | β | 5.365% | 0.00% |
| 4 | 683 Capital Management, LLC | 1.1M | $1.5M | β | 2.759% | 0.08% |
| 5 | Centric Wealth Management | 797K | $1.1M | +35.9% | 2.061% | 0.22% |
| 6 | Cable Car Capital, LP | 649K | $908K | β | 1.678% | 0.31% |
| 7 | Bleichroeder LP | 500K | $700K | β | 1.293% | 0.12% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 360K | $505K | +21.5% | 0.932% | 0.00% |
| 9 | VANGUARD FIDUCIARY TRUST CO | 199K | $279K | β | 0.516% | 0.00% |
| 10 | STATE STREET CORP | 139K | $195K | +83.9% | 0.359% | 0.00% |
| 11 | BlackRock, Inc. | 128K | $179K | +19.3% | 0.331% | 0.00% |
| 12 | CORSAIR CAPITAL MANAGEMENT, L.P. | 100K | $140K | β | 0.259% | 0.02% |
| 13 | NORTHERN TRUST CORP | 53K | $74K | +34.6% | 0.136% | 0.00% |
| 14 | UBS Group AG | 52K | $73K | +2292.5% | 0.134% | 0.00% |
| 15 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 36K | $50K | 0.0% | 0.093% | 0.00% |
| 16 | Creative Planning | 29K | $40K | -0.8% | 0.074% | 0.00% |
| 17 | RITHOLTZ WEALTH MANAGEMENT | 23K | $32K | 0.0% | 0.060% | 0.00% |
| 18 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 20K | $28K | β | 0.052% | 0.00% |
| 19 | Centerpoint Advisory Group | 16K | $22K | 0.0% | 0.041% | 0.02% |
| 20 | WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 15K | $20K | 0.0% | 0.038% | 0.00% |
| 21 | MORGAN STANLEY | 14K | $19K | +1285.9% | 0.036% | 0.00% |
| 22 | Vanguard Global Advisers, LLC | 11K | $16K | β | 0.030% | 0.00% |
| 23 | Catalyst Funds Management Pty Ltd | 11K | $15K | β | 0.028% | 0.00% |
| 24 | ADVISOR GROUP HOLDINGS, INC. | 8K | $12K | 0.0% | 0.022% | 0.00% |
| 25 | Daytona Street Capital LLC | 8K | $10K | 0.0% | 0.019% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MAIA β a direct measure of their conviction.
Filings activity in MAIA during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 32 | +23% | 35.67% | +27.74 pp | $18M | +350% |
| Q4 2025 | 26 | +37% | 7.93% | +1.15 pp | $4M | +17% |
| Q3 2025 | 19 | 9.5% | 6.78% | 0.91 pp | $3M | 12% |
| Q2 2025 | 21 | +0.0% | 7.69% | +2.06 pp | $4M | +36% |
| Q1 2025 | 21 | +11% | 5.63% | +0.28 pp | $3M | +5.3% |
| Q4 2024 | 19 | +5.6% | 5.35% | 2.72 pp | $3M | 34% |
| Q3 2024 | 18 | 18% | 8.07% | 3.78 pp | $4M | 32% |
| Q2 2024 | 22 | β | 11.85% | β | $6M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as the highest-conviction signal because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 1, 2026 | Vitoc Vlad | Buy | 73K | $1.39 | $101K |
| Jun 1, 2026 | Smith Stan | Buy | 75K | $1.34 | $100K |
Quick answers to the most common questions about buying MAIA stock.
Based on Q1 2026 13F filings, institutional ownership of MAIA Biotechnology, Inc. stands at 35.7%, held across 32 reporting institutions.
Solas Capital Management, LLC is the largest reported institutional holder of MAIA, with approximately 4,297,004 shares worth $0.01B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of MAIA.
Our composite Smart Money Score for MAIA is 50 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
13 institutions opened new positions in MAIA during Q1 2026, while 7 fully exited. 6 added to existing positions and 13 trimmed.
MAIA institutional ownership rose by 27.74 percentage points quarter-over-quarter, with a net change of β holders.
The top 10 institutions account for 96.0% of all reported 13F value in MAIA, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.