ESP · Espey Mfg & Electronics Corp · Shareholders & Ownership

$46.11 +0.21 (+0.46%) At close · Nov 6

Russell 2000 member Rebalance outlook locked

Market Cap

$140.03M

3.04M

Volume · Nov 6 28.86K Avg daily vol (3M) 32.19K

Every disclosed holder of ESP 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 ESP

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)	82	1,061,496	34.95%	Yes
Insiders (Forms 3, 4, 5)	5	98,073	3.23%	Yes
13D/G-only blocks	2	596,201	19.63%	Yes
Remaining	—	1,281,102	42.18%	Rest
Registered funds (N-PORT, not summed)	90	412,419	13.58%	No

Shares outstanding: 3,036,872, 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 ESP

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	Espey Mfg. & Electronics Corp. Employee Retirement Plan & Trust 13G CIK 1321399 · Pension or benefit plan · Dec 31, 2025 Rule 13d-1(b), qualified institution	537,345	17.69%	-59,782	Dec 31, 2025	Rule 13d-1(b), qualified institution
2	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	115,929	3.82%	+105,745	Jun 30, 2026	carried, not yet filed for the newest quarter
2.1	iShares Russell 2000 ETF Fund S000004344 · Registered fund · Jun 30, 2026 iShares Trust, not summed	46,185	1.52%	—	Jun 30, 2026	iShares Trust, not summed
2.2	iShares Russell 2000 Growth ETF Fund S000004343 · Registered fund · Jun 30, 2026 iShares Trust, not summed	21,808	0.72%	—	Jun 30, 2026	iShares Trust, not summed
2.3	iShares Micro-Cap ETF Fund S000004439 · Registered fund · Jun 30, 2026 iShares Trust, not summed	7,828	0.26%	+2,278	Jun 30, 2026	iShares Trust, not summed
2.4	Master Small Cap Index Series Fund S000002716 · Registered fund · Jun 30, 2026 Quantitative Master Series LLC, not summed	4,341	0.14%	—	Jun 30, 2026	Quantitative Master Series LLC, not summed
2.5	iShares Russell Small/Mid-Cap Index Fund Fund S000050373 · Registered fund · Jul 31, 2026 BlackRock Funds, not summed	607	0.02%	—	Jul 31, 2026	BlackRock Funds, not summed
3	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	98,005	3.23%	+12,999	Jun 30, 2026	carried, not yet filed for the newest quarter
4	DIMENSIONAL FUND ADVISORS LP 13F CIK 354204 · Registered investment adviser · Sep 30, 2026	92,908	3.06%	+1,914	Sep 30, 2026
4.1	U.S. MICRO CAP PORTFOLIO Fund S000000948 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	16,582	0.55%	0	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
4.2	U.S. Targeted Value Portfolio Fund S000000970 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	15,802	0.52%	+1,056	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
4.3	Dimensional U.S. Targeted Value ETF Fund S000070901 · Registered fund · Jul 31, 2026 Dimensional ETF Trust, not summed	14,820	0.49%	+504	Jul 31, 2026	Dimensional ETF Trust, not summed
4.4	Dimensional U.S. Small Cap ETF Fund S000070906 · Registered fund · Jul 31, 2026 Dimensional ETF Trust, not summed	9,673	0.32%	0	Jul 31, 2026	Dimensional ETF Trust, not summed
4.5	U.S. SMALL CAP PORTFOLIO Fund S000000971 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	8,964	0.30%	0	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
5	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	92,712	3.05%	-10,500	Jun 30, 2026	carried, not yet filed for the newest quarter
6	AMERICAN CENTURY COMPANIES INC 13F CIK 748054 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	71,928	2.37%	+18,842	Jun 30, 2026	carried, not yet filed for the newest quarter
7	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	70,990	2.34%	+12,358	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
8	Stanley Kesselman 13G CIK 1657476 · Unknown · Dec 31, 2024 Rule 13d-1(c), passive investor	58,856	1.94%	-152,838	Dec 31, 2024	Rule 13d-1(c), passive investor
9	De Lisle Partners LLP 13F CIK 2011184 · Non-US institution · Jun 30, 2026 carried, not yet filed for the newest quarter	56,247	1.85%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
10	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Sep 30, 2026	54,893	1.81%	-689	Sep 30, 2026
11	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 13F CIK 1164508 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	38,064	1.25%	-23,815	Jun 30, 2026	carried, not yet filed for the newest quarter
12	O'SHAUGHNESSY ASSET MANAGEMENT, LLC 13F CIK 1423442 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	34,370	1.13%	+3,492	Jun 30, 2026	carried, not yet filed for the newest quarter
13	ONEIL DAVID A Insider CIK 1196650 · Jun 22, 2026 Director, President & CEO, issuer-wide	29,294	0.96%	-2,500	Jun 22, 2026	Director, President & CEO, issuer-wide
14	TWO SIGMA INVESTMENTS, LP 13F CIK 1179392 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	25,151	0.83%	-922	Jun 30, 2026	carried, not yet filed for the newest quarter
15	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	25,093	0.83%	+14,200	Jun 30, 2026	carried, not yet filed for the newest quarter
15.1	State Street Total Return V.I.S. Fund Fund S000001637 · Registered fund · Jun 30, 2026 STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed	59	0.00%	—	Jun 30, 2026	STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
16	HELMETAG CARL Insider CIK 1200033 · Jun 24, 2026 Director, issuer-wide	24,673	0.81%	-1,000	Jun 24, 2026	Director, issuer-wide
17	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	24,479	0.81%	+641	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
18	Avantis U.S. Small Cap Value ETF Fund S000066459 · Registered fund · Aug 31, 2026 American Century ETF Trust, not summed	22,693	0.75%	-49,637	Aug 31, 2026	American Century ETF Trust, not summed
19	CORR PAUL J Insider CIK 1258045 · Sep 25, 2026 Director, issuer-wide	20,439	0.67%	-211	Sep 25, 2026	Director, issuer-wide
20	Bank of New York Mellon Corp 13F CIK 1390777 · Bank · Sep 30, 2026	20,253	0.67%	+222	Sep 30, 2026
21	WOOL MICHAEL W Insider CIK 1200034 · Aug 4, 2026 Director, issuer-wide	19,792	0.65%	-100	Aug 4, 2026	Director, issuer-wide
22	Informed Momentum Co LLC 13F CIK 1510989 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	19,700	0.65%	-810	Jun 30, 2026	carried, not yet filed for the newest quarter
23	RITHOLTZ WEALTH MANAGEMENT 13F CIK 1698218 · Registered investment adviser · Sep 30, 2026	19,350	0.64%	-7,036	Sep 30, 2026
24	Sidoxia Capital Management, LLC 13F CIK 2132534 · Registered investment adviser · Sep 30, 2026	19,137	0.63%	+320	Sep 30, 2026
25	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	17,466	0.58%	+12,388	Jun 30, 2026	carried, not yet filed for the newest quarter
25.1	Small Cap Index Fund Fund S000001245 · Registered fund · Jun 30, 2026 Northern Funds, not summed	1,030	0.03%	—	Jun 30, 2026	Northern Funds, not summed
26	WELLS FARGO & COMPANY/MN 13F CIK 72971 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	17,369	0.57%	+1,868	Jun 30, 2026	carried, not yet filed for the newest quarter
27	STEEL PARTNERS HOLDINGS L.P. 13F CIK 1452857 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	16,627	0.55%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
28	NAPLES GLOBAL ADVISORS, LLC 13F CIK 1582151 · Registered investment adviser · Sep 30, 2026	16,279	0.54%	+1,005	Sep 30, 2026
29	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	16,221	0.53%	+3,136	Jun 30, 2026	carried, not yet filed for the newest quarter
30	VANGUARD PORTFOLIO MANAGEMENT LLC 13F CIK 2100121 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	16,170	0.53%	+16,170	Jun 30, 2026	carried, not yet filed for the newest quarter
31	SEI INVESTMENTS CO 13F CIK 350894 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	13,853	0.46%	-11,115	Jun 30, 2026	carried, not yet filed for the newest quarter
32	WisdomTree U.S. SmallCap Dividend Fund Fund S000012394 · Registered fund · Jun 30, 2026 WisdomTree Trust, not summed	13,512	0.44%	+2,019	Jun 30, 2026	WisdomTree Trust, not summed
33	VANGUARD RUSSELL 2000 INDEX FUND Fund S000030003 · Registered fund · Aug 31, 2026 VANGUARD SCOTTSDALE FUNDS, not summed	13,260	0.44%	—	Aug 31, 2026	VANGUARD SCOTTSDALE FUNDS, not summed
34	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	12,491	0.41%	+3,372	Jun 30, 2026	carried, not yet filed for the newest quarter
35	Man Group plc 13F CIK 1637460 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	12,349	0.41%	+1,528	Jun 30, 2026	carried, not yet filed for the newest quarter
36	Sage Investment Advisers LLC 13F CIK 1925418 · Registered investment adviser · Sep 30, 2026	12,249	0.40%	+5	Sep 30, 2026
37	Russell Investments Group, Ltd. 13F CIK 1692234 · Unknown · Sep 30, 2026	10,640	0.35%	+10,455	Sep 30, 2026
37.1	U.S. Small Cap Equity Fund Fund S000001586 · Registered fund · Jul 31, 2026 RUSSELL INVESTMENT CO, not summed	4,691	0.15%	—	Jul 31, 2026	RUSSELL INVESTMENT CO, not summed
38	FLAGSHIP HARBOR ADVISORS, LLC 13F CIK 1691766 · Registered investment adviser · Sep 30, 2026	9,592	0.32%	0	Sep 30, 2026
39	MORGAN DEMPSEY CAPITAL MANAGEMENT LLC 13F CIK 1050463 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	8,387	0.28%	+294	Jun 30, 2026	carried, not yet filed for the newest quarter
40	Pekin Hardy Strauss, Inc. 13F CIK 1020317 · Registered investment adviser · Sep 30, 2026	8,230	0.27%	+8,230	Sep 30, 2026
41	FIRST TRUST ADVISORS LP 13F CIK 1125816 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	7,383	0.24%	+420	Jun 30, 2026	carried, not yet filed for the newest quarter
41.1	First Trust Dow Jones Select MicroCap Index Fund Fund S000010772 · Registered fund · Jun 30, 2026 First Trust Exchange-Traded Fund, not summed	7,358	0.24%	+395	Jun 30, 2026	First Trust Exchange-Traded Fund, not summed
42	LAZARD ASSET MANAGEMENT LLC 13F CIK 1207017 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	6,999	0.23%	+1,030	Jun 30, 2026	carried, not yet filed for the newest quarter
43	CHARLES SCHWAB INVESTMENT MANAGEMENT INC 13F CIK 884546 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	5,628	0.19%	+5,628	Jun 30, 2026	carried, not yet filed for the newest quarter
43.1	Schwab Small-Cap Index Fund Fund S000005912 · Registered fund · Jul 31, 2026 SCHWAB CAPITAL TRUST, not summed	5,628	0.19%	—	Jul 31, 2026	SCHWAB CAPITAL TRUST, not summed
44	OSAIC HOLDINGS, INC. 13F CIK 1677044 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	5,618	0.19%	-969	Jun 30, 2026	carried, not yet filed for the newest quarter
45	XTX Topco Ltd 13F CIK 1828301 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	5,490	0.18%	+403	Jun 30, 2026	carried, not yet filed for the newest quarter
46	Nuveen, LLC 13F CIK 1871926 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	5,274	0.17%	+5,274	Jun 30, 2026	carried, not yet filed for the newest quarter
46.1	Nuveen Small Cap Blend Index Fund Fund S000005367 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	3,095	0.10%	—	Jul 31, 2026	TIAA-CREF Funds, not summed
47	GC Wealth Management RIA, LLC 13F CIK 2011169 · Registered investment adviser · Sep 30, 2026	4,961	0.16%	0	Sep 30, 2026
48	PANAGORA ASSET MANAGEMENT INC 13F CIK 883677 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	4,656	0.15%	+4,656	Jun 30, 2026	carried, not yet filed for the newest quarter
49	BRIDGEWAY CAPITAL MANAGEMENT, LLC 13F CIK 1107261 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	4,608	0.15%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
49.1	Ultra-Small Company Market Fund Fund S000004424 · Registered fund · Jun 30, 2026 Bridgeway Funds, Inc., not summed	4,608	0.15%	0	Jun 30, 2026	Bridgeway Funds, Inc., not summed
50	BankChampaign, National Association 13F CIK 2135773 · Unknown · Sep 30, 2026	4,216	0.14%	+43	Sep 30, 2026

16 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 138 holders

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Key facts CIK 33533 CUSIP 296650104 13F (30d) 40 filings 33 filers Visit website Investor relations