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 		$91.7K Sell
14,700
-281,600
-95% -$1.53M ﹤0.01% 12090
2025
Q4 		$1.35M Buy
296,300
+28,200
+11% +$140K ﹤0.01% 6745
2025
Q3 		$1.41M Buy
268,100
+150,100
+127% +$591K ﹤0.01% 6793
2025
Q2 		$378K Buy
118,000
+22,600
+24% +$67.2K ﹤0.01% 9283
2025
Q1 		$357K Sell
95,400
-4,600
-5% -$22.9K ﹤0.01% 9206
2024
Q4 		$600K Sell
100,000
-6,600
-6% -$43.2K ﹤0.01% 8161
2024
Q3 		$696K Buy
106,600
+21,900
+26% +$152K ﹤0.01% 7556
2024
Q2 		$574K Buy
84,700
+20,700
+32% +$136K ﹤0.01% 7771
2024
Q1 		$423K Sell
64,000
-12,700
-17% -$77.2K ﹤0.01% 8746
2023
Q4 		$455K Buy
76,700
+25,800
+51% +$167K ﹤0.01% 8313
2023
Q3 		$374K Sell
50,900
-77,500
-60% -$536K ﹤0.01% 8690
2023
Q2 		$869K Buy
128,400
+16,400
+15% +$114K ﹤0.01% 6753
2023
Q1 		$769K Buy
112,000
+5,300
+5% +$43.5K ﹤0.01% 7371
2022
Q4 		$938K Buy
106,700
+41,700
+64% +$355K ﹤0.01% 6941
2022
Q3 		$427K Buy
65,000
+28,800
+80% +$196K ﹤0.01% 8811
2022
Q2 		$237K Sell
36,200
-21,000
-37% -$155K ﹤0.01% 10328
2022
Q1 		$315K Buy
57,200
+10,700
+23% +$49.4K ﹤0.01% 10484
2021
Q4 		$145K Buy
46,500
+33,800
+266% +$113K ﹤0.01% 12306
2021
Q3 		$68K Sell
12,700
-12,100
-49% -$45.4K ﹤0.01% 13173
2021
Q2 		$100K Sell
24,800
-6,900
-22% -$22.9K ﹤0.01% 12918
2021
Q1 		$88K Buy
+31,700
New +$84.3K ﹤0.01% 12575
2020
Q1 		– Sell
-20,600
Closed -$136K – 9540
2019
Q4 		$136K Buy
20,600
+1,100
+6% +$7.08K ﹤0.01% 8414
2019
Q3 		$120K Buy
+19,500
New +$110K ﹤0.01% 8396

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.