Ken Griffin
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Ken Griffin’s Amplify Energy AMPY Stock Holding History

Ken Griffin’s Portfolio AMPY Stock Details AMPY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.66M Buy
266,200
+103,700
+64% +$564K ﹤0.01% 6499
2025
Q4 		$743K Buy
162,500
+33,800
+26% +$168K ﹤0.01% 8076
2025
Q3 		$676K Buy
128,700
+50,200
+64% +$197K ﹤0.01% 8415
2025
Q2 		$251K Buy
78,500
+33,100
+73% +$98.4K ﹤0.01% 10198
2025
Q1 		$170K Sell
45,400
-76,100
-63% -$379K ﹤0.01% 10683
2024
Q4 		$729K Sell
121,500
-24,900
-17% -$163K ﹤0.01% 7721
2024
Q3 		$956K Sell
146,400
-8,200
-5% -$56.8K ﹤0.01% 6952
2024
Q2 		$1.05M Sell
154,600
-20,900
-12% -$138K ﹤0.01% 6484
2024
Q1 		$1.16M Sell
175,500
-203,100
-54% -$1.23M ﹤0.01% 6624
2023
Q4 		$2.25M Sell
378,600
-23,800
-6% -$154K ﹤0.01% 5159
2023
Q3 		$2.96M Sell
402,400
-85,600
-18% -$592K ﹤0.01% 4512
2023
Q2 		$3.3M Sell
488,000
-19,600
-4% -$137K ﹤0.01% 4300
2023
Q1 		$3.49M Buy
507,600
+80,100
+19% +$658K ﹤0.01% 4399
2022
Q4 		$3.76M Buy
427,500
+396,800
+1,293% +$3.37M ﹤0.01% 4368
2022
Q3 		$202K Sell
30,700
-39,600
-56% -$269K ﹤0.01% 10378
2022
Q2 		$460K Sell
70,300
-11,700
-14% -$86.3K ﹤0.01% 8831
2022
Q1 		$451K Buy
82,000
+14,600
+22% +$67.4K ﹤0.01% 9635
2021
Q4 		$210K Buy
67,400
+7,600
+13% +$25.5K ﹤0.01% 11744
2021
Q3 		$318K Buy
59,800
+4,400
+8% +$16.5K ﹤0.01% 10936
2021
Q2 		$224K Sell
55,400
-94,600
-63% -$314K ﹤0.01% 11912
2021
Q1 		$417K Buy
150,000
+72,700
+94% +$193K ﹤0.01% 10076
2020
Q4 		$101K Buy
+77,300
New +$76.7K ﹤0.01% 10216
2020
Q2 		– Sell
-44,300
Closed -$25K – 9711
2020
Q1 		$25K Sell
44,300
-25,300
-36% -$111K ﹤0.01% 9244
2019
Q4 		$460K Buy
69,600
+1,800
+3% +$11.6K ﹤0.01% 6950
2019
Q3 		$418K Buy
+67,800
New +$383K ﹤0.01% 7055

Other funds holding AMPY

CF
CDC Financial Chicago, Illinois $157M AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
THC
Truffle Hound Capital Bethesda, Maryland $468M AUM 42.57% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
CM
Caption Management Oklahoma City, Oklahoma $17.1B AUM 70.99% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Ken Griffin's AMPY Position: Q1 2026 in Review

Ken Griffin increased its Amplify Energy (AMPY) stake by 67% in Q1 2026, buying an estimated $523K and bringing the position to 239,784 shares worth $1.5M. The position accounts for ﹤0.01% of the portfolio, ranked #6714.

Ken Griffin first reported a position in AMPY in Q2 2017 and has held it in 29 quarters since. The position peaked at $1.87M in Q3 2025. 130 funds tracked by Wall St. Rank hold AMPY as of Q1 2026.

  • Ken Griffin held 239,784 shares of Amplify Energy worth $1.5M as of Q1 2026.
  • Ken Griffin bought 96,118 Amplify Energy shares in Q1 2026, an estimated $523K.
  • Amplify Energy made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #6714 holding.
  • Ken Griffin first reported a position in Amplify Energy in Q2 2017 and has held it in 29 quarters since.
  • Ken Griffin's Amplify Energy position peaked at $1.87M in Q3 2025.
  • 130 funds tracked by Wall St. Rank held Amplify Energy as of Q1 2026.

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