Jane Street
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Jane Street’s Frontier Group Holdings ULCC Stock Holding History

Jane Street’s Portfolio ULCC Stock Details ULCC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$301K Buy
+38,000
New +$196K ﹤0.01% 9211
2025
Q4 		– Sell
-15,800
Closed -$69.8K – 12442
2025
Q3 		$69.8K Buy
+15,800
New +$71.7K ﹤0.01% 10256
2025
Q2 		– Sell
-86,200
Closed -$374K – 10957
2025
Q1 		$374K Buy
86,200
+25,500
+42% +$190K ﹤0.01% 7421
2024
Q4 		$432K Buy
60,700
+3,200
+6% +$20K ﹤0.01% 7086
2024
Q3 		$308K Buy
+57,500
New +$225K ﹤0.01% 7993
2023
Q4 		– Sell
-71,200
Closed -$345K – 9839
2023
Q3 		$345K Buy
+71,200
New +$533K ﹤0.01% 6854
2022
Q3 		– Sell
-30,900
Closed -$290K – 10505
2022
Q2 		$290K Buy
+30,900
New +$313K ﹤0.01% 7666

Other funds holding ULCC

IP
Indigo Partners Phoenix, Arizona $453M AUM 128.46% 1-Year Est. Return
WCM
Wildcat Capital Management New York $229M AUM 132.65% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
USGIU
U.S. Global Investors (USGI) San Antonio, Texas $1.04B AUM 73.31% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Jane Street's ULCC Position: Q2 2026 in Review

Jane Street increased its Frontier Group Holdings (ULCC) stake by 267% in Q2 2026, buying an estimated $13.4M and bringing the position to 3,569,335 shares worth $28.2M. The position accounts for ﹤0.01% of the portfolio, ranked #1838.

Jane Street first reported a position in ULCC in Q2 2021 and has held it in 19 quarters since. 177 funds tracked by Wall St. Rank hold ULCC as of Q2 2026.

  • Jane Street held 3,569,335 shares of Frontier Group Holdings worth $28.2M as of Q2 2026.
  • Jane Street bought 2,596,903 Frontier Group Holdings shares in Q2 2026, an estimated $13.4M.
  • Frontier Group Holdings made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #1838 holding.
  • Jane Street first reported a position in Frontier Group Holdings in Q2 2021 and has held it in 19 quarters since.
  • 177 funds tracked by Wall St. Rank held Frontier Group Holdings as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.