Comparable stake leader
Group Holdings - Frontier LLC
SEC ownership of Frontier Group Holdings, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001670076.
Disclosed value leader
Indigo Partners LLC
Comparable rows
50/50
Latest evidence
04 Sep 2026
- Public ticker
- ULCC on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Group Holdings - Frontier LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Group Holdings - Frontier LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
04 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001670076
- Issuer location
- Denver, CO
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Frontier Group Holdings, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Group Holdings - Frontier...
Disclosed value leader
Indigo Partners LLC
Comparable rows
50/50
Latest evidence
04 Sep 2026
13D/G
3/4/5
13F
Lead comparable stake: 9.9%
13D/G row: Group Holdings - Frontier LLC
Showing 1-8 of 50 holder rows.
Quick read
Group Holdings - Frontier LLC leads the comparable SEC ownership view at 9.9%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Group Holdings - Frontier LLC's linked filing trail.
Comparable ownership
Top 5
Group Holdings - Frontier LLC
9.9%
Howard M. Diamond
0.06%
Michael R. MacDonald
0.05%
Steve Schuller
0.03%
Mark C. Mitchell
0.02%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Group Holdings - Frontier LLC |
13D/G
3/4/5
10%+ Owner
|
9.9%
|
$179,608,621
22,706,526 shares
|
$0 | 09 Jul 2026 |
| Howard M. Diamond |
3/4/5
EVP, Legal & Corporate Affairs
|
0.06%
|
$1,158,457
133,126 shares
mixed-class rows
|
-$199,609 | 04 Aug 2026 |
| Michael R. MacDonald |
3/4/5
Director
|
0.05%
|
$531,603
118,227 shares
mixed-class rows
|
— | 15 May 2025 |
| Steve Schuller |
3/4/5
SVP, Human Resources
|
0.03%
|
$490,183
79,675 shares
mixed-class rows
|
-$240,548 | 04 Sep 2026 |
| Mark C. Mitchell |
3/4/5
SVP & CFO
|
0.02%
|
$458,382
53,785 shares
mixed-class rows
|
-$1,011,675 | 05 Aug 2026 |
| Josh A. Wetzel |
3/4/5
VP & CAO
|
0%
|
$111,656
10,061 shares
mixed-class rows
|
-$80,133 | 04 Aug 2026 |
| Indigo Partners LLC |
13F
Company
|
14%
|
$253,847,775
32,092,007 shares
|
— | 30 Jun 2026 |
| Wildcat Capital Management, LLC |
3/4/5
13F
10%+ Owner · Company
|
12%
from 13F
|
$230,383,692
28,061,351 shares
|
— | 05 Apr 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$89,330,754.
Buys
$0
Insiders: 0
Sells
$89,330,754
Insiders: 8
Net
-$89,330,754
Shares: -12,471,332
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 12,471,332
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 12,049,662 | $0 | $87,026,459 | -$87,026,459 |
| 3-6 | 0 | 111,670 | $0 | $603,784 | -$603,784 |
| 6-9 | 0 | 5,000 | $0 | $30,000 | -$30,000 |
| 9-12 | 0 | 305,000 | $0 | $1,670,512 | -$1,670,512 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 31 reporting-owner rows connected to Frontier Group Holdings, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
31
Largest Forms 3/4/5 holder
William A. Franke
Net 12M change
-$89,330,754
Latest report
04 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| William A. Franke | Director, Chair of the Board, 10%+ Owner | $351,515,281 | Mixed | 14 May 2026 | ||
| Indigo Denver Management Company, LLC | 10%+ Owner | $351,365,551 | Mixed | 14 May 2026 | ||
| Wildcat Capital Management, LLC | 10%+ Owner | $230,383,692 | Mixed | 05 Apr 2024 | ||
| Group Holdings - Frontier LLC | 10%+ Owner | $163,486,987 | -$84,240,000 | -34% | Filing P/S | 09 Jul 2026 |
| Brian H. Franke | Director | $20,529,682 | Mixed | 14 May 2026 | ||
| Barry L. Biffle | CEO, Director | $3,745,915 | -$1,640,512 | -30% | Mixed | 10 Dec 2025 |
| Andrew S. Broderick | Director | $3,265,558 | Mixed | 14 May 2026 | ||
| James G. Dempsey | President & CEO, Director | $2,315,992 | Mixed | 06 Feb 2026 | ||
| Bernard L. Han | Director | $1,734,195 | Mixed | 14 May 2026 | ||
| Robert J. Genise | Director | $1,437,346 | Mixed | 14 May 2026 | ||
| Rajat Khanna | Svp & Cio | $1,360,682 | Mixed | 25 Oct 2024 | ||
| Howard M. Diamond | EVP, Legal & Corporate Affairs | $1,158,457 | -$199,609 | -15% | Mixed | 04 Aug 2026 |
| Robert Schroeter | SVP, Chief Commercial Officer | $1,038,824 | Mixed | 25 Mar 2026 | ||
| Josh T. Connor | Director | $770,074 | Mixed | 14 May 2026 | ||
| Patricia Salas Pineda | Director | $678,393 | Mixed | 14 May 2026 | ||
| Alejandro Daniel Wolff | Director | $588,907 | Mixed | 14 May 2026 | ||
| Alexandre Clerc | SVP, Customers | $546,782 | -$125,878 | -19% | Mixed | 04 Sep 2026 |
| Michael R. MacDonald | Director | $531,603 | Mixed | 15 May 2025 | ||
| Ofelia Kumpf | Director | $497,113 | Mixed | 14 May 2026 | ||
| Steve Schuller | SVP, Human Resources | $490,183 | -$240,548 | -33% | Mixed | 04 Sep 2026 |
Recent insider transactions for Frontier Group Holdings, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Alexandre Clerc | ULCC | Common Stock | Sale | -9.28% | $19,871 | $5.71 | -3,480 | 34,008 | 04 Sep 2026 | Direct |
| Steve Schuller | ULCC | Common Stock | Sale | -8.6% | $45,000 | $6.00 | -7,500 | 79,675 | 04 Sep 2026 | Direct |
| Mark C. Mitchell | ULCC | Common Stock | Sale | -69.9% | $1,011,675 | $8.09 | -125,000 | 53,785 | 05 Aug 2026 | Direct |
| Howard M. Diamond | ULCC | Common Stock | Sale | -15.4% | $199,609 | $8.25 | -24,195 | 133,126 | 04 Aug 2026 | Direct |
| Josh A. Wetzel | ULCC | Common Stock | Sale | -16.6% | $16,000 | $8.00 | -2,000 | 10,061 | 04 Aug 2026 | Direct |
| Trevor J. Stedke | ULCC | Common Stock | Sale | -100% | $1,342,766 | $8.03 | -167,277 | 0 | 04 Aug 2026 | Direct |
| Alexandre Clerc | ULCC | Common Stock | Sale | -7.56% | $25,078 | $8.17 | -3,068 | 37,488 | 04 Aug 2026 | Direct |
| Steve Schuller | ULCC | Common Stock | Sale | -10.3% | $75,537 | $7.55 | -10,000 | 87,175 | 03 Aug 2026 | Direct |
| Alexandre Clerc | ULCC | Common Stock | Sale | -15% | $50,923 | $7.13 | -7,142 | 40,556 | 31 Jul 2026 | Direct |
| Group Holdings - Frontier LLC | ULCC | Common Stock | Sale | -34% | $84,240,000 | $7.20 | -11,700,000 | 22,706,526 | 09 Jul 2026 | Direct |
| Barron Elliot Steele | ULCC | Deferred Stock Units | Award | 22,284 | 22,284 | 15 Jun 2026 | Direct | |||
| Steve Schuller | ULCC | Common Stock | Sale | -9.33% | $60,011 | $6.00 | -10,000 | 97,175 | 05 Jun 2026 | Direct |
| Alexandre Clerc | ULCC | Common Stock | Sale | -9.59% | $30,006 | $5.93 | -5,060 | 47,698 | 02 Jun 2026 | Direct |
| Josh A. Wetzel | ULCC | Common Stock | Sale | -52.8% | $64,133 | $4.75 | -13,500 | 12,061 | 21 May 2026 | Direct |
| Franke William A | ULCC | Common Stock | Options Exercise | 0.05% | 34,230 | 67,362,528 | 14 May 2026 | Direct | ||
| William A. Franke | ULCC | Common Stock | Options Exercise | 0.05% | 34,230 | 67,362,528 | 14 May 2026 | Direct | ||
| Franke William A | ULCC | Restricted Stock Units | Award | 32,990 | 32,990 | 14 May 2026 | Direct | |||
| William A. Franke | ULCC | Restricted Stock Units | Award | 32,990 | 32,990 | 14 May 2026 | Direct | |||
| Franke William A | ULCC | Restricted Stock Units | Options Exercise | -100% | -34,230 | 0 | 14 May 2026 | Direct | ||
| William A. Franke | ULCC | Restricted Stock Units | Options Exercise | -100% | -34,230 | 0 | 14 May 2026 | Direct | ||
| Anthony David Salcido | ULCC | Common Stock | Options Exercise | 6,721 | 6,721 | 14 May 2026 | Direct | |||
| Anthony David Salcido | ULCC | Restricted Stock Units | Award | 32,990 | 32,990 | 14 May 2026 | Direct | |||
| Anthony David Salcido | ULCC | Restricted Stock Units | Options Exercise | -100% | -6,721 | 0 | 14 May 2026 | Direct | ||
| Nancy Lipson | ULCC | Common Stock | Options Exercise | 130.2% | 34,230 | 60,524 | 14 May 2026 | Direct | ||
| Nancy Lipson | ULCC | Deferred Stock Units | Award | 32,990 | 32,990 | 14 May 2026 | Direct | |||
| Nancy Lipson | ULCC | Restricted Stock Units | Options Exercise | -100% | -34,230 | 0 | 14 May 2026 | Direct | ||
| Patricia Salas Pineda | ULCC | Common Stock | Options Exercise | 29.6% | 34,230 | 149,763 | 14 May 2026 | Direct | ||
| Patricia Salas Pineda | ULCC | Deferred Stock Units | Award | 32,990 | 32,990 | 14 May 2026 | Direct | |||
| Patricia Salas Pineda | ULCC | Restricted Stock Units | Options Exercise | -100% | -34,230 | 0 | 14 May 2026 | Direct | ||
| Ofelia Kumpf | ULCC | Common Stock | Options Exercise | 53.3% | 34,230 | 98,409 | 14 May 2026 | Direct | ||
| Ofelia Kumpf | ULCC | Deferred Stock Units | Award | 32,990 | 32,990 | 14 May 2026 | Direct | |||
| Ofelia Kumpf | ULCC | Restricted Stock Units | Options Exercise | -100% | -34,230 | 0 | 14 May 2026 | Direct | ||
| Alejandro D. Wolff | ULCC | Common Stock | Options Exercise | 38% | 34,230 | 124,413 | 14 May 2026 | Direct | ||
| Alejandro D. Wolff | ULCC | Deferred Stock Units | Award | 32,990 | 32,990 | 14 May 2026 | Direct | |||
| Alejandro D. Wolff | ULCC | Restricted Stock Units | Options Exercise | -100% | -34,230 | 0 | 14 May 2026 | Direct | ||
| Robert J. Genise | ULCC | Common Stock | Options Exercise | 10.4% | 34,230 | 364,764 | 14 May 2026 | Direct | ||
| Robert J. Genise | ULCC | Restricted Stock Units | Award | 32,990 | 32,990 | 14 May 2026 | Direct | |||
| Robert J. Genise | ULCC | Restricted Stock Units | Options Exercise | -100% | -34,230 | 0 | 14 May 2026 | Direct | ||
| Bernard L. Han | ULCC | Common Stock | Options Exercise | 8.26% | 34,230 | 448,857 | 14 May 2026 | Direct | ||
| Bernard L. Han | ULCC | Restricted Stock Units | Award | 32,990 | 32,990 | 14 May 2026 | Direct | |||
| Bernard L. Han | ULCC | Restricted Stock Units | Options Exercise | -100% | -34,230 | 0 | 14 May 2026 | Direct | ||
| Brian H. Franke | ULCC | Common Stock | Options Exercise | 0.76% | 34,230 | 4,529,345 | 14 May 2026 | Direct | ||
| Brian H. Franke | ULCC | Restricted Stock Units | Award | 32,990 | 32,990 | 14 May 2026 | Direct | |||
| Brian H. Franke | ULCC | Restricted Stock Units | Options Exercise | -100% | -34,230 | 0 | 14 May 2026 | Direct | ||
| Andrew S. Broderick | ULCC | Common Stock | Options Exercise | 4.03% | 34,230 | 882,671 | 14 May 2026 | Direct | ||
| Andrew S. Broderick | ULCC | Restricted Stock Units | Award | 32,990 | 32,990 | 14 May 2026 | Direct | |||
| Andrew S. Broderick | ULCC | Restricted Stock Units | Options Exercise | -100% | -34,230 | 0 | 14 May 2026 | Direct | ||
| Josh T. Connor | ULCC | Common Stock | Options Exercise | 24.2% | 34,230 | 175,735 | 14 May 2026 | Direct | ||
| Josh T. Connor | ULCC | Restricted Stock Units | Award | 32,990 | 32,990 | 14 May 2026 | Direct | |||
| Josh T. Connor | ULCC | Restricted Stock Units | Options Exercise | -100% | -34,230 | 0 | 14 May 2026 | Direct |
* marks a reported price that did not pass the local price check.