Madison Air Solutions Corp (MAIR)
Every FINRA and SEC series the site collects for Madison Air Solutions Corp: short interest with days to cover, daily short sale volume, fails to deliver and Form 4 insider trades. Listed on NYSE.
6.1M
Short interest
settlement 2026-08-31
1.6
Days to cover
+7.2% vs prior
53.2%
Short share of volume
2026-09-17
317
Fails to deliver
settlement 2026-08-28
Tue 11 May
Next earnings
estimated; last year 2026-05-12
2 people
Insiders buying, 30 days
$219.6M combined, latest 2026-08-25
$219.6M
Insider flow, 90 days
2 buys, 0 sells
As of 2026-09-17.
Short interest
FINRA, twice a month; the last 12 months shown, all 9 settlements in the JSONAs of 31 August 2026, short interest in MAIR is 6,069,435 shares, up 862,969 shares over the last month. Over the last 9 readings it ranged from 4,282,069 shares (30 April 2026) to 12,260,867 shares (30 June 2026). At the reported average volume of 3.8M shares a day that is 1.6 days to cover.
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-08-31 | 6,069,435 | +7.2% | 3,835,976 | 1.58 |
| 2026-08-14 | 5,662,354 | +8.8% | 1,451,268 | 3.90 |
| 2026-07-31 | 5,206,466 | -12.9% | 3,544,815 | 1.47 |
| 2026-07-15 | 5,977,713 | -51.3% | 2,184,735 | 2.74 |
| 2026-06-30 | 12,260,867 | +35.0% | 1,930,313 | 6.35 |
| 2026-06-15 | 9,082,885 | +12.7% | 1,106,694 | 8.21 |
| 2026-05-29 | 8,061,495 | +19.6% | 1,247,543 | 6.46 |
| 2026-05-15 | 6,738,042 | +57.4% | 2,253,840 | 2.99 |
| 2026-04-30 | 4,282,069 | +100.0% | 8,242,721 | 1.00 |
Daily short volume
FINRA Reg SHO, last 60 sessions. JSONAs of 17 September 2026, the short share of MAIR volume is 53.2%, down 28.7 points over the last five sessions. Over the last 52 readings it ranged from 11.8% (17 July 2026) to 81.9% (10 September 2026). The latest reading is 2.2 points above the 30-session average of 51.0%, on 1.1M shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-09-17 | 559K | 1.1M | 53.2% | 0 |
| 2026-09-16 | 710K | 976K | 72.8% | 0 |
| 2026-09-15 | 997K | 2.1M | 46.9% | 11 |
| 2026-09-14 | 461K | 925K | 49.8% | 13 |
| 2026-09-11 | 1.2M | 2.8M | 41.6% | 0 |
| 2026-09-10 | 474K | 579K | 81.9% | 0 |
| 2026-09-09 | 341K | 614K | 55.5% | 3 |
| 2026-09-08 | 683K | 933K | 73.2% | 277 |
| 2026-09-04 | 262K | 532K | 49.3% | 11 |
| 2026-09-03 | 287K | 556K | 51.6% | 378 |
| 2026-09-02 | 589K | 2.4M | 24.3% | 0 |
| 2026-09-01 | 445K | 734K | 60.7% | 0 |
| 2026-08-31 | 312K | 449K | 69.4% | 0 |
| 2026-08-28 | 488K | 674K | 72.5% | 0 |
| 2026-08-27 | 418K | 908K | 46.0% | 404 |
| 2026-08-26 | 793K | 2.2M | 35.3% | 1,010 |
| 2026-08-25 | 1.4M | 2.4M | 56.9% | 2,400 |
| 2026-08-24 | 247K | 503K | 49.1% | 593 |
| 2026-08-21 | 342K | 692K | 49.5% | 3,423 |
| 2026-08-20 | 1.2M | 3.4M | 34.1% | 30,061 |
| 2026-08-19 | 932K | 2.4M | 38.5% | 0 |
| 2026-08-18 | 1.2M | 3.2M | 37.9% | 368 |
| 2026-08-17 | 2.0M | 3.0M | 65.8% | 49 |
| 2026-08-14 | 166K | 612K | 27.1% | 0 |
| 2026-08-13 | 289K | 473K | 61.0% | 1,179 |
| 2026-08-12 | 493K | 1.1M | 46.4% | 19 |
| 2026-08-11 | 283K | 831K | 34.1% | 0 |
| 2026-08-10 | 181K | 382K | 47.4% | 11 |
| 2026-08-07 | 218K | 630K | 34.7% | 0 |
| 2026-08-06 | 241K | 376K | 64.2% | 0 |
Fails to deliver
SEC, by settlement date. JSONAs of 28 August 2026, the fails-to-deliver balance in MAIR is 317 shares, down 7,205 shares over the last settlement date. Over the last 46 readings it ranged from 21 shares (30 June 2026) to 275,865 shares (17 April 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-08-28 | 317 | $27.17 | $9K |
| 2026-08-26 | 7,522 | $27.99 | $211K |
| 2026-08-24 | 6,912 | $25.99 | $180K |
| 2026-08-18 | 946 | $29.57 | $28K |
| 2026-08-14 | 1,106 | $31.64 | $35K |
| 2026-08-12 | 230 | $31.88 | $7K |
| 2026-08-11 | 20,720 | $30.33 | $628K |
| 2026-08-06 | 990 | $31.71 | $31K |
| 2026-08-03 | 971 | $29.06 | $28K |
| 2026-07-29 | 6,982 | $32.22 | $225K |
| 2026-07-28 | 710 | $34.55 | $25K |
| 2026-07-15 | 1,603 | $35.34 | $57K |
| 2026-07-08 | 13,764 | $34.84 | $480K |
| 2026-07-07 | 182,476 | $37.91 | $6.9M |
| 2026-07-06 | 33,544 | $37.18 | $1.2M |
| 2026-07-01 | 996 | $39.00 | $39K |
| 2026-06-30 | 21 | $37.16 | $780 |
| 2026-06-25 | 31,541 | $39.40 | $1.2M |
| 2026-06-23 | 13,350 | $38.56 | $515K |
| 2026-06-22 | 19,476 | $38.13 | $743K |
| 2026-06-18 | 8,627 | $37.44 | $323K |
| 2026-06-16 | 2,914 | $38.90 | $113K |
| 2026-06-12 | 61 | $40.26 | $2K |
| 2026-06-11 | 1,132 | $37.41 | $42K |
| 2026-06-10 | 36,488 | $40.56 | $1.5M |
| 2026-06-09 | 138,656 | $39.59 | $5.5M |
| 2026-06-08 | 225 | $40.14 | $9K |
| 2026-06-05 | 84,235 | $43.40 | $3.7M |
| 2026-06-03 | 19,834 | $43.11 | $855K |
| 2026-06-02 | 49,537 | $43.86 | $2.2M |
Insider trades
SEC Form 4, newest first. JSONInsiders at MAIR reported 2 open-market buys worth $219.6M in the last 90 days and no open-market sells. Clustered voluntary buying is historically the stronger insider signal because insiders buy for one reason. Latest filing: Gies Larry on 2026-08-25.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-08-25 | Gies Larry | n/a | Grant | 12.8M | $24.97 | $320.0M | 12.8M |
| 2026-08-25 | Gies Larry | n/a | Grant | 12.0M | $24.97 | $300.0M | 12.0M |
| 2026-08-25 | La Force Andrew Hudson III | n/a | Buy | 20K | $27.84 | $557K | 37K |
| 2026-08-25 | BERTARELLI ERNESTO | n/a | Buy | 8.8M | $24.97 | $219.0M | 46.4M |
| 2026-08-21 | Larson Leah | Group President Air Mvmt/Heat | Tax withholding | 21K | $26.25 | $539K | 181K |
| 2026-06-25 | NOLEN GEORGE | Director | Grant | 5K | $0.00 | $0 | 5K |
| 2026-06-25 | La Force Andrew Hudson III | Director | Grant | 6K | $0.00 | $0 | 17K |
| 2026-06-23 | Foley John Joseph V | Chief Financial Officer | Tax withholding | 21K | $38.13 | $806K | 1.6M |
| 2026-06-23 | Wyant Jill S | Chief Executive Officer | Tax withholding | 94K | $38.13 | $3.6M | 3.5M |
| 2026-06-16 | Wyant Jill S | Chief Executive Officer | Tax withholding | 168K | $39.02 | $6.5M | 3.6M |
| 2026-05-18 | Philippi Dale | President & CEO of AprilAire | Grant | 18K | $0.00 | $0 | 234K |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are the rarer, stronger signal.
Large holders (13D and 13G)
One row per reporting person, newest filing first. JSON8 holders above 5% have filed on MAIR, all on Schedule 13G (passive). The largest reported stake is Larry Gies at 67.1% of the class (336,679,321 shares), filed 2026-08-10 for an event on 2026-06-30.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-08-10 | 13G | Larry Giesindividual | 336.7M | 67.1% | 2026-06-30 |
| 2026-08-10 | 13G | Madison Industries Holdings LLCother entity | 324.4M | 64.7% | 2026-06-30 |
| 2026-08-10 | 13G | Madison Air Co-Investors LLCother entity | 12.3M | 2.5% | 2026-06-30 |
| 2026-08-06 | 13G | FMR LLCparent holding company | 14.1M | 8.0% | 2026-06-30 |
| 2026-08-06 | 13G | Abigail P. Johnsonindividual | 14.1M | 8.0% | 2026-06-30 |
| 2026-05-15 | 13G | Ernesto Bertarelliindividual | 44.8M | 25.3% | 2026-05-15 |
| 2026-05-15 | 13G | KC Armada LPpartnership | 37.6M | 21.3% | 2026-05-15 |
| 2026-04-23 | 13G | Durable Capital Partners LPinvestment adviser, partnership | 9.3M | 5.2% | 2026-04-16 |
13F holders
Tracked managers holding MAIR at their latest 13F. JSON6 of the 30 tracked managers held MAIR at their latest 13F, $327.0M in total at quarter-end prices. Citadel Advisors is the largest at $251.5M (0.0% of its portfolio) as of 2026-06-30.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Citadel Advisors | 2026-06-30 | 6.4M | $251.5M | 0.03% | new or n/a |
| Soros Fund Management | 2026-06-30 | 625K | $24.4M | 0.30% | new or n/a |
| Millennium Management | 2026-06-30 | 580K | $22.6M | 0.01% | new or n/a |
| Two Sigma Investments | 2026-06-30 | 318K | $12.4M | 0.01% | new or n/a |
| D. E. Shaw & Co. | 2026-06-30 | 262K | $10.2M | 0.00% | new or n/a |
| Point72 Asset Management | 2026-06-30 | 150K | $5.8M | 0.01% | new or n/a |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
What this page is
Madison Air Solutions Corp in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page pulls every series the site collects for one ticker onto one URL, keyed by the SEC's own ticker list, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a summary sentence built from the rows (last value, change, range with dates) and its own JSON and CSV links. Nothing on the page is written by a model; the sentences change only when the data does. A page exists only for companies with data in at least two series, and every section says when its source last updated.
This page follows Madison Air Solutions Corp (MAIR), SEC CIK 2098430, listed on NYSE. The cross-market tables live on the short interest and insider transactions hubs.
Source and method
- Short interest
- FINRA consolidated short interestTwice a month, about eight business days after settlement. Latest 2026-08-31.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesEvery trading day, loaded the following morning. Latest 2026-09-17.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataTwice a month, a few weeks after the half month ends. Latest 2026-08-28.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GEDGAR read every 30 minutes; 13D within five business days of crossing 5%, 13G on the passive schedule. Latest 2026-08-10.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRQuarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K Item 2.02 (full-text search)EDGAR full-text search read twice a day; the estimate is last year's date plus 52 weeks. Latest 2026-07-30.JSON and CSV
- Insider trades
- SEC EDGAR Form 4EDGAR read every 30 minutes; filings are due two business days after the trade. Latest 2026-08-25.JSON and CSV
- Company record
- EDGAR filing index for CIK 2098430Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 30 requests a minute without a key, 120 a minute with a key from a free account.
Data checks. Every dataset is checked against its source once a day. This dataset passed the last run, 18 Sep 05:40 UTC.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a crowded short are the combination that has historically preceded squeezes; insider sells next to a crowded short are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
Other company pages
- TEAMAtlassian Corp
- CVNACARVANA CO.
- CRMSalesforce, Inc.
- METAMeta Platforms, Inc.
- UTHRUNITED THERAPEUTICS Corp
- CRWVCoreWeave, Inc.
- RCGRENN Fund, Inc.
- ANETArista Networks, Inc.
- DDOGDatadog, Inc.
- NETCloudflare, Inc.
- DELLDell Technologies Inc.
- GOOGAlphabet Inc.
- CRWDCrowdStrike Holdings, Inc.
- TPLTexas Pacific Land Corp
- MRNAModerna, Inc.
- COINCoinbase Global, Inc.
- NOWServiceNow, Inc.
- MORNMorningstar, Inc.
- CPIXCUMBERLAND PHARMACEUTICALS INC
- DASHDoorDash, Inc.
- ZMZoom Communications, Inc.
- TDGTransDigm Group INC
- UBERUber Technologies, Inc
- PCTYPaylocity Holding Corp
Datasets
Frequently Asked Questions
How much of MAIR is sold short?
What is MAIR's daily short volume?
Does MAIR have fails to deliver?
Are MAIR insiders buying or selling?
Who owns more than 5% of MAIR?
Which funds hold MAIR?
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.