Mesa Air Group, Inc.
Mesa Air Group, Inc. (MESA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MESA · as of Sep 30, 2025
Ownership Breakdown
34
Institutional Holders
▼ 4 vs Q2
$10.41M
Total Inst. Value
▲ $3.63M vs Q2
186,133
Shares Outstanding
freeFloat 70.16%
8.00M
13F Shares Held
▲ 719,995 vs Q2
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
MESA largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
PAR CAPITAL MANAGEMENT INC air transportation, scheduled | 2.59M | 6.24% | 6.24% | $3.36B | Nov 14, 2025 | ▲ 337.7K |
VANGUARD GROUP INC air transportation, scheduled | 1.69M | 4.08% | 4.08% | $2.20B | Nov 7, 2025 | — held |
PINNACLE HOLDINGS, LLC air transportation, scheduled | 1.63M | 3.93% | 3.93% | $2.12B | Nov 12, 2025 | ▲ 392.9K |
ORVIETO PARTNERS, L.P. air transportation, scheduled | 550.7K | 1.33% | 1.33% | $715.94M | Nov 13, 2025 | ▲ 73.5K |
BLACKROCK, INC. air transportation, scheduled | 528.1K | 1.27% | 1.27% | $686.47M | Nov 12, 2025 | ▲ 10.1K |
GEODE CAPITAL MANAGEMENT, LLC air transportation, scheduled | 361.1K | 87.13% | 87.13% | $469.51M | Nov 12, 2025 | ▼ 490 |
RENAISSANCE TECHNOLOGIES LLC air transportation, scheduled | 167.8K | 40.49% | 40.49% | $218.12M | Nov 13, 2025 | ▲ 67.6K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP air transportation, scheduled | 129.6K | 31.27% | 31.27% | $168.48M | Nov 14, 2025 | ▲ 30.3K |
STATE STREET CORP air transportation, scheduled | 125.5K | 30.28% | 30.28% | $163.14M | Nov 14, 2025 | — held |
NORTHERN TRUST CORP air transportation, scheduled | 73.3K | 17.70% | 17.70% | $95.33M | Nov 14, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
13
Increased
+960.1K shares2
New Positions
first time holders9
Decreased
−115.3K shares7
Sold Out
fully exitedNet shares change (top 50)
+844.8K
+960.1K / −115.3K
Net new holders
-1
2 new / 7 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MESA insider trading · insider activity
Source: SEC Form 4
22
Buy transactions
14
Sell transactions
1.57
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
No recent insider transactions reported.
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
Mesa Air Group, Inc. (MESA) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 29.84%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Mesa Air Group, Inc. is PAR CAPITAL MANAGEMENT INC, holding approximately 2.59 million shares — equal to 6.24% of outstanding shares — as of September 30, 2025.
A total of 34 institutional investors currently hold MESA stock, with a combined institutional value of approximately $10,405,727 as of the most recent 13F filing period.
Frequently asked questions
MESA ownershipMesa Air Group, Inc. (MESA) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is PAR CAPITAL MANAGEMENT INC with a 6.24% stake. Company insiders hold 29.84%. Data sourced from SEC Form 13F as of September 30, 2025.