Mesa Air Group, Inc.
MESA • NASDAQ
Mesa Air Group, Inc. is a airlines, airports & air services company in the industrials sector on NASDAQ, led by Jonathan G. Ornstein, with a market cap of $58.6M. As of Q3 2025, 19% of shares are held by 32 institutional investors, with PAR CAPITAL MANAGEMENT INC as the largest holder at 6.18%.
CEOJonathan G. Ornstein
Market Cap$58.6M
Airlines, Airports & Air Services
Industrials
Employees2.1K
Websitemesa-air.com
Country
United States of America
Overview
Overview of institutional ownership in MESA as of Q3 2025 with a market cap of $54.4M
All Institutions
- Institutions
- 32
- Value Held
- $10.4M
- Shares Held
- 8.0M
- Avg Position
- $325.2K
- Median Position
- $19.0K
Hedge Funds
- Hedge Funds
- 7
- Value Held
- $4.4M
- Shares Held
- 3.4M
- Avg Position
- $634.5K
- Median Position
- $55.8K
Ownership Breakdown
Based on market cap of $54.4M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in MESA as of Q3 2025
| Institution | Position Value |
|---|---|
P PAR CAPITAL MANAGEMENT INC Hedge Fund•Long/Short | $3.4M 0.10% of portfolio |
 VANGUARD GROUP INC Institution | $2.2M 0.00% of portfolio |
 Pinnacle Holdings, LLC RIA/Wealth | $2.1M 0.86% of portfolio |
O Orvieto Partners, L.P. Hedge Fund•Value | $715.9K 0.61% of portfolio |
B BlackRock, Inc. Institution | $686.5K 0.00% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $469.5K 0.00% of portfolio |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $218.1K 0.00% of portfolio |
 STATE STREET CORP Institution | $163.1K 0.00% of portfolio |
 NORTHERN TRUST CORP Institution | $95.3K 0.00% of portfolio |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $68.8K 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for MESA in Q3 2025
- Traded
- +$1.0M
- Buyers
- 14
- Sellers
- 12
- Total Bought
- +$1.3M
- Total Sold
- −$251.4K
- Avg Position
- $281.2K
Biggest Buyers
| Institution | Net Bought |
|---|---|
Pinnacle Holdings, LLC RIA/Wealth | +$510.7K +392.9K shares |
P PAR CAPITAL MANAGEMENT INC Hedge Fund•Long/Short | +$439.0K +337.7K shares |
O Orvieto Partners, L.P. Hedge Fund•Value | +$95.6K +73.5K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$87.9K +67.6K shares |
 GSA CAPITAL PARTNERS LLP Hedge Fund•Quant | +$55.8K +43.0K shares |
X XTX Topco Ltd Institution | +$33.6K +25.9K shares |
B BlackRock, Inc. Institution | +$13.2K +10.1K shares |
T TWO SIGMA SECURITIES, LLC Institution | +$13.1K +10.1K shares |
 UBS Group AG Institution | +$5.3K +4.1K shares |
T Tower Research Capital LLC Institution | +$838.6 +645.0 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | −$73.5K −56.5K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | −$63.1K −48.5K shares |
G GEM Asset Management, LLC Institution | −$48.1K −52.3K shares |
V Virtu Financial LLC Institution | −$33.1K −35.6K shares |
−$21.4K −23.0K shares | |
G GROUP ONE TRADING, L.P. Institution | −$4.4K −3.4K shares |
 TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy | −$3.5K −2.7K shares |
−$1.3K −1.0K shares | |
 MORGAN STANLEY RIA/Wealth | −$1.3K −1.0K shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | −$637.2 −490.0 shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited MESA in Q3 2025
- New Positions
- 0
- New Value
- -
- Exited Positions
- 4
- Exited Value
- $103.1K
New Positions
| Institution | Position Value |
|---|---|
| No new positions found | |
Exited Positions
| Institution | Previous Position |
|---|---|
G GEM Asset Management, LLC Institution | $48.1K 52.3K shares |
V Virtu Financial LLC Institution | $33.1K 35.6K shares |
$21.4K 23.0K shares | |
 Fortitude Family Office, LLC Family Office | $451.0 485.0 shares |
Options Activity
Institutions with the largest Call and Put options positions in MESA as of Q3 2025
- Call Positions
- 3
- Call Value
- $168.5K
- Put Positions
- 1
- Put Value
- $88.1K
Call Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $168.5K 1.3K contracts |
W WOLVERINE TRADING, LLC Institution | - - contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | - - contracts |
Put Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $88.1K 678.0 contracts |
Most Committed Institutions
Institutions with MESA as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
Pinnacle Holdings, LLC RIA/Wealth | 0.86% $2.1M |
O Orvieto Partners, L.P. Hedge Fund•Value | 0.61% $715.9K |
P PAR CAPITAL MANAGEMENT INC Hedge Fund•Long/Short | 0.10% $3.4M |
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant | 0.00% $55.8K |
X XTX Topco Ltd Institution | 0.00% $49.2K |
T TWO SIGMA SECURITIES, LLC Institution | 0.00% $13.1K |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | 0.00% $218.1K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | 0.00% $68.8K |
S SBI Securities Co., Ltd. Institution | 0.00% $2.6K |
0.00% $19.5K |
Hedge Fund Spotlight
Discover hedge funds investing in MESA
GSA CAPITAL PARTNERS LLP
Hedge Fund • Quant
Portfolio ManagerDavid Khabie-Zeitoune
- Portfolio Value
- $1.1B
- Positions
- 1,504
- Last Reported
- Q3 2025
Sector Allocation
Position in Mesa Air Group, Inc.
- Market Value
- $55.8K
- Shares Held
- 43.0K
- Portfolio Weight
- 0.00%
- Owned Since
- 2025-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Information Technology Services Technology | $5.6M | 0.50% | |
Grocery Stores Consumer Defensive | $5.2M | 0.46% | |
Software - Infrastructure Technology | $4.8M | 0.43% |
