AMPY · Amplify Energy Corp. · Shareholders & Ownership

$4.51 -0.02 (-0.44%) At close · Oct 20

Russell 2000 member Rebalance outlook locked

Market Cap

$188.00M

41.46M

Volume · Oct 20 430.11K Avg daily vol (3M) 666.96K

Every disclosed holder of AMPY in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns AMPY

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	134	23,623,783	56.98%	Yes
Insiders (Forms 3, 4, 5)	14	5,511,304	13.29%	Yes
13D/G-only blocks	2	2,706,342	6.53%	Yes
Remaining	—	9,615,021	23.19%	Rest
Registered funds (N-PORT, not summed)	113	8,372,099	20.19%	No

Shares outstanding: 41,456,450, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of AMPY

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	ALEX SHARP 13G CIK 1713505 · Unknown · Jul 6, 2026 Rule 13d-1(c), passive investor, not summed	3,551,270	8.57%	-625,973	Jul 6, 2026	Rule 13d-1(c), passive investor, not summed
1.1	PERGA CAPITAL PARTNERS, LP Insider CIK 1713505 · Jun 26, 2026 10% Owner, issuer-wide	3,517,243	8.48%	—	Jun 26, 2026	10% Owner, issuer-wide
2	CDC Financial, Inc. 13F CIK 2077836 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	2,587,347	6.24%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
2.1	COGHILL CLINT D Insider CIK 1235155 · Jul 1, 2026 Director, issuer-wide, not summed	127,332	0.31%	—	Jul 1, 2026	Director, issuer-wide, not summed
3	Irrevocable Larson Family Investment Trust 13G CIK 2022157 · Unknown · Aug 8, 2025 Rule 13d-1(c), passive investor	2,575,500	6.21%	+94,500	Aug 8, 2025	Rule 13d-1(c), passive investor
4	Stoney Lonesome HF LP 13D CIK 2014854 · Unknown · Mar 16, 2026 not summed	2,504,347	6.04%	-1,000,000	Mar 16, 2026	not summed
5	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	2,462,227	5.94%	+1,886,084	Jun 30, 2026	carried, not yet filed for the newest quarter
5.1	BlackRock, Inc. 13G CIK 2012383 · Holding company · Jun 30, 2026 Rule 13d-1(b), qualified institution, not summed	2,457,164	5.93%	+1,897,825	Jun 30, 2026	Rule 13d-1(b), qualified institution, not summed
5.2	iShares Russell 2000 ETF Fund S000004344 · Registered fund · Jun 30, 2026 iShares Trust, not summed	889,807	2.15%	—	Jun 30, 2026	iShares Trust, not summed
5.3	iShares Russell 2000 Value ETF Fund S000004342 · Registered fund · Jun 30, 2026 iShares Trust, not summed	338,628	0.82%	—	Jun 30, 2026	iShares Trust, not summed
5.4	iShares Micro-Cap ETF Fund S000004439 · Registered fund · Jun 30, 2026 iShares Trust, not summed	117,048	0.28%	+30,607	Jun 30, 2026	iShares Trust, not summed
5.5	Master Small Cap Index Series Fund S000002716 · Registered fund · Jun 30, 2026 Quantitative Master Series LLC, not summed	66,739	0.16%	—	Jun 30, 2026	Quantitative Master Series LLC, not summed
6	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,656,122	3.99%	+22,980	Jun 30, 2026	carried, not yet filed for the newest quarter
7	DIMENSIONAL FUND ADVISORS LP 13F CIK 354204 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,594,952	3.85%	-37,811	Jun 30, 2026	carried, not yet filed for the newest quarter
7.1	U.S. SMALL CAP VALUE PORTFOLIO Fund S000000987 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	513,465	1.24%	+19,886	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
7.2	Dimensional US Small Cap Value ETF Fund S000075151 · Registered fund · Jul 31, 2026 Dimensional ETF Trust, not summed	237,946	0.57%	+32,777	Jul 31, 2026	Dimensional ETF Trust, not summed
7.3	U.S. SMALL CAP PORTFOLIO Fund S000000971 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	182,878	0.44%	0	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
7.4	Dimensional U.S. Core Equity 2 ETF Fund S000070903 · Registered fund · Jul 31, 2026 Dimensional ETF Trust, not summed	118,123	0.28%	0	Jul 31, 2026	Dimensional ETF Trust, not summed
7.5	U.S. MICRO CAP PORTFOLIO Fund S000000948 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	102,451	0.25%	-26,576	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
8	AMERICAN CENTURY COMPANIES INC 13F CIK 748054 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	1,377,845	3.32%	-60,962	Jun 30, 2026	carried, not yet filed for the newest quarter
9	ACADIAN ASSET MANAGEMENT LLC 13F CIK 916542 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	1,281,589	3.09%	-96,230	Jun 30, 2026	carried, not yet filed for the newest quarter
10	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	1,207,681	2.91%	0	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
11	Avantis U.S. Small Cap Value ETF Fund S000066459 · Registered fund · May 31, 2026 American Century ETF Trust, not summed	1,152,284	2.78%	-44,476	May 31, 2026	American Century ETF Trust, not summed
12	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	908,291	2.19%	+492,868	Jun 30, 2026	carried, not yet filed for the newest quarter
13	CSM Advisors, LLC 13F CIK 1863523 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	738,620	1.78%	-11,300	Jun 30, 2026	carried, not yet filed for the newest quarter
14	D. E. Shaw & Co., Inc. 13F CIK 1009207 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	660,670	1.59%	+338,641	Jun 30, 2026	carried, not yet filed for the newest quarter
15	Caption Management, LLC 13F CIK 1706766 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	571,685	1.38%	-301,906	Jun 30, 2026	carried, not yet filed for the newest quarter
16	BRIDGEWAY CAPITAL MANAGEMENT, LLC 13F CIK 1107261 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	531,663	1.28%	+104,182	Jun 30, 2026	carried, not yet filed for the newest quarter
16.1	Omni Small-Cap Value Fund Fund S000033567 · Registered fund · Jun 30, 2026 Bridgeway Funds, Inc., not summed	100,000	0.24%	0	Jun 30, 2026	Bridgeway Funds, Inc., not summed
16.2	Ultra-Small Company Fund Fund S000004423 · Registered fund · Jun 30, 2026 Bridgeway Funds, Inc., not summed	85,000	0.21%	—	Jun 30, 2026	Bridgeway Funds, Inc., not summed
16.3	Ultra-Small Company Market Fund Fund S000004424 · Registered fund · Jun 30, 2026 Bridgeway Funds, Inc., not summed	69,600	0.17%	0	Jun 30, 2026	Bridgeway Funds, Inc., not summed
17	Qube Research & Technologies Ltd 13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	523,566	1.26%	+283,212	Jun 30, 2026	carried, not yet filed for the newest quarter
18	MARSHALL WACE, LLP 13F CIK 1318757 · Exempt reporting adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	513,603	1.24%	-743,549	Jun 30, 2026	carried, not yet filed for the newest quarter
19	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	457,764	1.10%	+49,499	Jun 30, 2026	carried, not yet filed for the newest quarter
20	GSA CAPITAL PARTNERS LLP 13F CIK 1362033 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	415,806	1.00%	+346,018	Jun 30, 2026	carried, not yet filed for the newest quarter
21	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	398,857	0.96%	+229,600	Jun 30, 2026	carried, not yet filed for the newest quarter
21.1	State Street Total Return V.I.S. Fund Fund S000001637 · Registered fund · Jun 30, 2026 STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed	901	0.00%	—	Jun 30, 2026	STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
22	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	386,074	0.93%	+11,238	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
23	Connor, Clark & Lunn Investment Management Ltd. 13F CIK 1596800 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	336,779	0.81%	+118,706	Jun 30, 2026	carried, not yet filed for the newest quarter
24	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	325,757	0.79%	+85,973	Jun 30, 2026	carried, not yet filed for the newest quarter
25	Hamm Christopher W. Insider CIK 1782520 · Jul 1, 2026 Director, issuer-wide	323,121	0.78%	+51,043	Jul 1, 2026	Director, issuer-wide
26	Willsher Martyn Insider CIK 1782502 · Mar 7, 2025 Director, issuer-wide	310,794	0.75%	+15,000	Mar 7, 2025	Director, issuer-wide
27	Trexquant Investment LP 13F CIK 1633445 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	285,137	0.69%	+198,302	Jun 30, 2026	carried, not yet filed for the newest quarter
28	De Lisle Partners LLP 13F CIK 2011184 · Non-US institution · Jun 30, 2026 carried, not yet filed for the newest quarter	284,651	0.69%	+20,000	Jun 30, 2026	carried, not yet filed for the newest quarter
29	JACOBS LEVY EQUITY MANAGEMENT, INC 13F CIK 884414 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	276,646	0.67%	+108,993	Jun 30, 2026	carried, not yet filed for the newest quarter
30	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	276,289	0.67%	+182,039	Jun 30, 2026	carried, not yet filed for the newest quarter
30.1	Small Cap Index Fund Fund S000001245 · Registered fund · Jun 30, 2026 Northern Funds, not summed	18,819	0.05%	—	Jun 30, 2026	Northern Funds, not summed
31	Empowered Funds, LLC 13F CIK 1592828 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	272,763	0.66%	+19,182	Jun 30, 2026	carried, not yet filed for the newest quarter
31.1	EA Bridgeway Omni Small-Cap Value ETF Fund S000078089 · Registered fund · Jun 30, 2026 EA Series Trust, not summed	272,763	0.66%	+19,182	Jun 30, 2026	EA Series Trust, not summed
32	Inlight Wealth Management, LLC 13F CIK 1731795 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	269,773	0.65%	-3,261	Jun 30, 2026	carried, not yet filed for the newest quarter
33	Willis Eric M. Insider CIK 1782521 · Feb 1, 2026 See Remarks, issuer-wide	266,347	0.64%	+27,287	Feb 1, 2026	See Remarks, issuer-wide
34	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	242,495	0.58%	+27,703	Jun 30, 2026	carried, not yet filed for the newest quarter
35	VANGUARD PORTFOLIO MANAGEMENT LLC 13F CIK 2100121 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	241,286	0.58%	+241,286	Jun 30, 2026	carried, not yet filed for the newest quarter
36	RBF Capital, LLC 13F CIK 1134621 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	241,263	0.58%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
37	FREW JAMES Insider CIK 1973630 · Jun 23, 2026 SEE REMARKS, issuer-wide	216,859	0.52%	+25,000	Jun 23, 2026	SEE REMARKS, issuer-wide
38	AMERIPRISE FINANCIAL INC 13F CIK 820027 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	215,238	0.52%	+12,808	Jun 30, 2026	carried, not yet filed for the newest quarter
38.1	Columbia Research Enhanced Small Cap ETF Fund S000095313 · Registered fund · Jun 30, 2026 Columbia ETF Trust I, not summed	46	0.00%	—	Jun 30, 2026	Columbia ETF Trust I, not summed
39	YACKTMAN ASSET MANAGEMENT LP 13F CIK 905567 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	205,000	0.49%	-5,000	Jun 30, 2026	carried, not yet filed for the newest quarter
40	Lopez Anthony William Insider CIK 1808753 · Feb 1, 2026 SEE REMARKS, issuer-wide	196,727	0.47%	+46,677	Feb 1, 2026	SEE REMARKS, issuer-wide
41	Nuveen, LLC 13F CIK 1871926 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	178,228	0.43%	+178,228	Jun 30, 2026	carried, not yet filed for the newest quarter
41.1	Nuveen Small Cap Blend Index Fund Fund S000005367 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	47,561	0.11%	—	Jul 31, 2026	TIAA-CREF Funds, not summed
42	JANE STREET GROUP, LLC 13F CIK 1595888 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	169,042	0.41%	-68,356	Jun 30, 2026	carried, not yet filed for the newest quarter
43	AMG Yacktman Global Fund Fund S000056045 · Registered fund · Jun 30, 2026 AMG Funds, not summed	165,000	0.40%	0	Jun 30, 2026	AMG Funds, not summed
44	Snyder Todd R Insider CIK 1358709 · Jul 1, 2026 Director, issuer-wide	164,540	0.40%	+36,459	Jul 1, 2026	Director, issuer-wide
45	Invesco Ltd. 13F CIK 914208 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	153,654	0.37%	-194,365	Jun 30, 2026	carried, not yet filed for the newest quarter
45.1	Invesco Dorsey Wright SmallCap Momentum ETF Fund S000037586 · Registered fund · May 31, 2026 Invesco Exchange-Traded Fund Trust II, not summed	212,866	0.51%	—	May 31, 2026	Invesco Exchange-Traded Fund Trust II, not summed
45.2	Invesco RAFI US 1500 Small-Mid ETF Fund S000013120 · Registered fund · Jul 31, 2026 Invesco Exchange-Traded Fund Trust, not summed	122,964	0.30%	-12,943	Jul 31, 2026	Invesco Exchange-Traded Fund Trust, not summed
46	MACKENZIE FINANCIAL CORP 13F CIK 919859 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	142,552	0.34%	+142,552	Jun 30, 2026	carried, not yet filed for the newest quarter
47	SUSQUEHANNA INTERNATIONAL GROUP, LLP 13F CIK 1446194 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	142,203	0.34%	-752,666	Jun 30, 2026	carried, not yet filed for the newest quarter
48	Thomist Capital Management, LP 13G CIK 1767809 · Unknown · Mar 31, 2026 Rule 13d-1(b), qualified institution	130,842	0.32%	-3,016,288	Mar 31, 2026	Rule 13d-1(b), qualified institution
49	RHUMBLINE ADVISERS 13F CIK 1115418 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	127,321	0.31%	+125,545	Jun 30, 2026	carried, not yet filed for the newest quarter
50	BOOTHBAY FUND MANAGEMENT, LLC 13F CIK 1549230 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	120,271	0.29%	+120,271	Jun 30, 2026	carried, not yet filed for the newest quarter

11 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 208 holders

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Key facts CIK 1533924 CUSIP 03212B103 13F (30d) 12 filings 12 filers Visit website Investor relations