$AMPY

$4.45 -$0.14 (3.05%) Close

$AMPY Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 41.5M shares outstanding

Who owns AMPY?

By type of holder

Institutions 56.6% Insiders 0.2% Everyone else 43.2%

Concentration Top 10 holders own 46.0%

Coghill Clint D 6.3% · CDC Financial, Inc. 6.2%

Institutional ownership

56.6%

-2.8 pts vs last qtr

Institutional holders

128

-1 vs last qtr

Net shares bought

−1.2M

by institutions in Q2 2026

New / sold out

26 / 27

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +1.9M
Geode Capital Management, LLC +492.9K

Biggest sellers in Q2 2026

Truffle Hound Capital, LLC SOLD OUT −1.3M
Susquehanna International Group, LLP SOLD OUT −894.9K

Who is planning to sell?

Notices of proposed sale, last 12 months

$7.16M

3 notices from 3 people

Shares covered

1.2M

2.91% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Stoney Lonesome HF LP Affiliate of director $6.06M
Anthony Lopez Former officer sr.vp $1.04M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2017–FY2025

+60.8%

+6.12% a year

Each share's claim on the business

−37.8%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$26.2M vs $42.6M

over 9 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years33% 3–5 years16% 1–3 years17% Under 1 year33%

Quarterly turnover

27.5%

of institutional shares changed hands

Top 10 managers, median time held

3 years

Super Investors

Investment managers reporting AMPY on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
CF CDC Financial, Inc. 13D · 6.3%	2.6M	6.24%	Unchanged	Q4 '25	4.3%
Shares held by quarter Peak holding3.6M (Q4'25) Change over 8 quarters+2.6M Share of the company6.240% Disclosed stake13D · 6.3% CDC Financial, Inc.'s full portfolio →
B BlackRock, Inc.	2.5M	5.94%	+1.9M (+327.4%)	≤2021	0.0%
Shares held by quarter Peak holding2.8M (Q3'24) Change over 8 quarters−302.0K Share of the company5.940% BlackRock, Inc.'s full portfolio →

CDC Financial, Inc.

13D · 6.3%

2.6M

% of company

6.24%

Change vs last qtr

Unchanged

Held since

Q4 '25

BlackRock, Inc.

2.5M

% of company

5.94%

Change vs last qtr

+1.9M (+327.4%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Amplify Energy Corp., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting AMPY on Form N-PORT; together they hold 20.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
AU Avantis U.S. Small Cap Value ETF American Century ETF Trust	$5.34M	1.2M	2.78%	0.02%	May 31, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$4.81M	1.2M	2.91%	0.00%	June 30, 2026

Avantis U.S. Small Cap Value ETF

American Century ETF Trust

Position value

$5.34M

% of company

2.78%

% of the fund

0.02%

As of

May 31, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$4.81M

% of company

2.91%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Amplify Energy Corp. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
CC Coghill Clint D 5%+ holder 13D · 6.3%	2.6M	6.25%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company6.250% Disclosed stake13D · 6.3% View the 13D/G filing →
SL Stoney Lonesome HF LP 5%+ holder 13D · 6.1%	2.5M	6.04%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company6.040% Disclosed stake13D · 6.1% View the 13D/G filing →

Coghill Clint D

5%+ holder13D · 6.3%

2.6M

% of company

6.25%

Change vs last qtr

—

Held since

—

Stoney Lonesome HF LP

5%+ holder13D · 6.1%

2.5M

% of company

6.04%

Change vs last qtr

—

Held since

—

4 more holders behind a free account

See every insider and 5%+ holder of Amplify Energy Corp..

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