Ken Griffin
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Ken Griffin’s Frontier Group Holdings ULCC Stock Holding History

Ken Griffin’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
Q1 		$1.89M Sell
535,859
-30,898
-5% -$141K ﹤0.01% 6178
2025
Q4 		$2.67M Sell
566,757
-678,240
-54% -$3M ﹤0.01% 5382
2025
Q3 		$5.5M Buy
1,244,997
+1,034,100
+490% +$4.69M ﹤0.01% 4200
2025
Q2 		$766K Sell
210,897
-101,645
-33% -$372K ﹤0.01% 7659
2025
Q1 		$1.36M Buy
+312,542
New +$2.33M ﹤0.01% 6288
2024
Q4 		– Sell
-807,278
Closed -$5.04M – 15431
2024
Q3 		$4.32M Buy
+807,278
New +$3.16M ﹤0.01% 4184
2024
Q2 		– Sell
-892,200
Closed -$5.35M – 15456
2024
Q1 		$7.24M Buy
892,200
+454,139
+104% +$2.94M ﹤0.01% 3399
2023
Q4 		$2.39M Buy
438,061
+168,334
+62% +$736K ﹤0.01% 5060
2023
Q3 		$1.31M Sell
269,727
-206,179
-43% -$1.54M ﹤0.01% 6033
2023
Q2 		$4.6M Sell
475,906
-826,587
-63% -$7.42M ﹤0.01% 3767
2023
Q1 		$12.8M Buy
1,302,493
+543,783
+72% +$6.07M ﹤0.01% 2471
2022
Q4 		$7.79M Buy
758,710
+368,506
+94% +$4.29M ﹤0.01% 3166
2022
Q3 		$3.79M Sell
390,204
-65,202
-14% -$800K ﹤0.01% 4353
2022
Q2 		$4.27M Buy
455,406
+37,042
+9% +$375K ﹤0.01% 4107
2022
Q1 		$4.74M Buy
418,364
+152,857
+58% +$1.92M ﹤0.01% 4274
2021
Q4 		$3.6M Buy
265,507
+253,529
+2,117% +$3.88M ﹤0.01% 4966
2021
Q3 		$189K Sell
11,978
-95,272
-89% -$1.47M ﹤0.01% 12068
2021
Q2 		$1.83M Buy
+107,250
New +$2.11M ﹤0.01% 6827

Other funds holding ULCC

IP
Indigo Partners Phoenix, Arizona $267M AUM 9% 1-Year Est. Return
WCM
Wildcat Capital Management New York $229M AUM 132.65% 1-Year Est. Return
USGIU
U.S. Global Investors (USGI) San Antonio, Texas $1.04B AUM 73.31% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
SPC
Silver Point Capital Greenwich, Connecticut $1.3B AUM 18.3% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
AA
Ancient Art Austin, Texas $459M AUM 52.34% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Ken Griffin's ULCC Position: Q1 2026 in Review

Ken Griffin reduced its Frontier Group Holdings (ULCC) stake by 5.5% in Q1 2026, selling an estimated $141K and leaving 535,859 shares worth $1.89M. The position accounts for ﹤0.01% of the portfolio, ranked #6178.

Ken Griffin first reported a position in ULCC in Q2 2021 and has held it in 18 quarters since. The position peaked at $12.8M in Q1 2023. 161 funds tracked by Wall St. Rank hold ULCC as of Q1 2026.

  • Ken Griffin held 535,859 shares of Frontier Group Holdings worth $1.89M as of Q1 2026.
  • Ken Griffin sold 30,898 Frontier Group Holdings shares in Q1 2026, an estimated $141K.
  • Frontier Group Holdings made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #6178 holding.
  • Ken Griffin first reported a position in Frontier Group Holdings in Q2 2021 and has held it in 18 quarters since.
  • Ken Griffin's Frontier Group Holdings position peaked at $12.8M in Q1 2023.
  • 161 funds tracked by Wall St. Rank held Frontier Group Holdings as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.