13F Insight
DOSSIER · 13F Holders · Q1 2026Industrials · Air Transportation, ScheduledInflation hedgeYield
ULCC

FRONTIER GROUP HLDGS INC

170 institutions still hold FRONTIER GROUP HLDGS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 35909R108·Air Transportation, Scheduled·170 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 3.4%
vs prior quarter
13F value held
$381M
50.0% inst. owned
of float
Holders
170
-24 QoQ
filers reporting
Activity
+38 / −9
+837 added · −737 reduced
this quarter
Concentration
29.70%
Indigo Partners LLC #1
top holder share
AI Holders Summary · Q1 2026

170 institutions reported ULCC in Q1 2026. Indigo Partners LLC leads at 29.7% of the visible book. -24 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Indigo Partners LLC
CIK 0001846122
$113M32.1M42.40%Q1 202602
Wildcat Capital Management, LLC
CIK 0001582384
$99M28.1M93.29%Q1 202603
U S GLOBAL INVESTORS INC
CIK 0000754811
$24M6.8M2.79%Q1 202604
BlackRock, Inc.
CIK 0002012383
$19M5.3M0.00%Q1 202605
Ancient Art, L.P.
CIK 0001426749
$17M3.6M3.82%Q4 202506
Silver Point Capital L.P.
CIK 0001332784
$13M3.7M0.99%Q1 202607
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$13M3.6M0.00%Q1 202608
Vanguard Portfolio Management
CIK 0002100121· Index
$12M3.3M0.00%Q1 202609
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$9M2.5M0.00%Q1 202610
STATE STREET CORP
CIK 0000093751
$8M2.3M0.00%Q1 202611
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$8M2.3M0.01%Q1 202612
PAR CAPITAL MANAGEMENT INC
CIK 0001051359
$8M2.1M0.22%Q1 202613
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$6M1.8M0.00%Q1 202614
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$6M1.8M0.00%Q1 202615
TWO SIGMA ADVISERS, LP
CIK 0001478735
$6M1.2M0.01%Q4 202516
D. E. Shaw & Co., Inc.
CIK 0001009207
$6M1.2M0.00%Q4 202517
GOLDMAN SACHS GROUP INC
CIK 0000886982
$4M1.2M0.00%Q1 202618
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$4M1.2M0.00%Q1 202619
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
$4M1.1M0.01%Q1 202620
MARSHALL WACE, LLP
CIK 0001318757
$4M853K0.00%Q4 2025
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