
Air Industries Group
Air Industries Group (AIRI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AIRI · as of Mar 31, 2025
Ownership Breakdown
17
Institutional Holders
▼ 2 vs Q4
$894,626
Total Inst. Value
▼ $180,860 vs Q4
3.86M
Shares Outstanding
freeFloat 71.46%
257,468
13F Shares Held
▼ 6,757 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AIRI largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC aircraft parts & auxiliary equipment, nec | 53.7K | 1.55% | 1.55% | $186.91M | May 9, 2025 | — held |
DIMENSIONAL FUND ADVISORS LP aircraft parts & auxiliary equipment, nec | 50.2K | 1.45% | 1.45% | $174.83M | May 13, 2025 | ▲ 3.5K |
GEODE CAPITAL MANAGEMENT, LLC aircraft parts & auxiliary equipment, nec | 26.2K | 75.35% | 75.35% | $91.17M | May 13, 2025 | ▲ 817 |
aircraft parts & auxiliary equipment, nec | 23.5K | 67.59% | 67.59% | $80.32M | Apr 24, 2026 | ▲ 7.5K |
BRIDGEWAY CAPITAL MANAGEMENT, LLC aircraft parts & auxiliary equipment, nec | 21.2K | 60.87% | 60.87% | $73.61M | May 15, 2025 | ▲ 25 |
UBS GROUP AG aircraft parts & auxiliary equipment, nec | 17.9K | 51.54% | 51.54% | $62.32M | May 13, 2025 | ▼ 2.3K |
EMPOWERED FUNDS, LLC aircraft parts & auxiliary equipment, nec | 17.1K | 49.33% | 49.33% | $59.65M | May 16, 2025 | ▲ 25 |
TWO SIGMA INVESTMENTS, LP aircraft parts & auxiliary equipment, nec | 13.9K | 39.94% | 39.94% | $48.30M | May 15, 2025 | ▼ 4.4K |
CITADEL ADVISORS LLC aircraft parts & auxiliary equipment, nec | 12.5K | 35.92% | 35.92% | $43.43M | May 15, 2025 | ▼ 1.8K |
TWO SIGMA ADVISERS, LP aircraft parts & auxiliary equipment, nec | 12.1K | 34.82% | 34.82% | $42.11M | May 15, 2025 | NEW |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
7
Increased
+14.5K shares3
New Positions
first time holders4
Decreased
−8.5K shares5
Sold Out
fully exitedNet shares change (top 50)
+6.0K
+14.5K / −8.5K
Net new holders
+1
3 new / 5 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AIRI insider trading · insider activity
Source: SEC Form 4
2
Buy transactions
1
Sell transactions
2.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Glassman Scott Acting CEO and President | Apr 27, 2026 | Tax Withhold | 8,447 | $3.18 | $26.9K | 24.0K | Form 4 ↗ |
PORCELAIN MICHAEL director | Apr 10, 2026 | Award | 4,484 | $3.19 | $14.3K | 75.8K | Form 4 ↗ |
TAGLICH ROBERT
| Feb 12, 2026 | Award | 12,159 | — | — | 12.2K | Form 4 ↗ |
TAGLICH MICHAEL N
| Feb 12, 2026 | Award | 12,159 | — | — | 12.2K | Form 4 ↗ |
Brand Michael director | Feb 12, 2026 | Award | 12,159 | — | — | 12.2K | Form 4 ↗ |
PORCELAIN MICHAEL director | Feb 12, 2026 | Award | 60,791 | — | — | 60.8K | Form 4 ↗ |
Glassman Scott Chief Financial Officer | Feb 12, 2026 | Award | 12,159 | — | — | 12.2K | Form 4 ↗ |
BUONANNO DAVID director | Feb 12, 2026 | Award | 12,159 | — | — | 12.2K | Form 4 ↗ |
Rettaliata Peter director | Feb 12, 2026 | Award | 12,159 | — | — | 12.2K | Form 4 ↗ |
Melluzzo Luciano M President | Feb 12, 2026 | Award | 12,159 | — | — | 12.2K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Air Industries Group (AIRI) is primarily owned by institutional investors, who hold approximately 6.7% of total shares outstanding. Company insiders own approximately 28.54%, while retail and public investors account for the remaining 64.79%.
The largest institutional shareholder of Air Industries Group is VANGUARD GROUP INC, holding approximately 53,709 shares — equal to 1.55% of outstanding shares — as of March 31, 2025.
A total of 17 institutional investors currently hold AIRI stock, with a combined institutional value of approximately $894,626 as of the most recent 13F filing period.
Frequently asked questions
AIRI ownershipAir Industries Group (AIRI) is primarily owned by institutional investors, who hold approximately 6.7% of shares. The largest shareholder is VANGUARD GROUP INC with a 1.55% stake. Company insiders hold 28.54%. Data sourced from SEC Form 13F as of March 31, 2025.