IPWR · Ideal Power Inc. · Shareholders & Ownership

$2.73 -0.12 (-4.21%) At close · Oct 23

Market Cap

$44.87M

16.43M

Volume · Oct 23 265.49K Avg daily vol (3M) 182.9K

Every disclosed holder of IPWR 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 IPWR

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)	51	6,463,104	39.33%	Yes
Insiders (Forms 3, 4, 5)	7	906,814	5.52%	Yes
13D/G-only blocks	2	2,141,552	13.03%	Yes
Remaining	—	6,923,185	42.13%	Rest
Registered funds (N-PORT, not summed)	11	719,400	4.38%	No

Shares outstanding: 16,434,655, 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 IPWR

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	AWM Investment Company, Inc. 13F CIK 1535264 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,346,244	8.19%	+149,395	Jun 30, 2026	carried, not yet filed for the newest quarter
2	Orin Hirschman 13G CIK 1131362 · Investment adviser · Mar 31, 2026 Rule 13d-1(b), qualified institution	1,181,696	7.19%	+689,707	Mar 31, 2026	Rule 13d-1(b), qualified institution
3	Lytton, Laurence W. 13G CIK 1105806 · Unknown · Jun 30, 2026 Rule 13d-1(c), passive investor	959,856	5.84%	-250,191	Jun 30, 2026	Rule 13d-1(c), passive investor
4	AIGH Capital Management LLC 13F CIK 1835943 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	894,731	5.44%	-286,965	Jun 30, 2026	carried, not yet filed for the newest quarter
5	GOLDMAN SACHS GROUP INC 13F CIK 886982 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	660,303	4.02%	+423,054	Jun 30, 2026	carried, not yet filed for the newest quarter
6	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	608,959	3.71%	+294,521	Jun 30, 2026	carried, not yet filed for the newest quarter
7	STIFEL FINANCIAL CORP 13F CIK 720672 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	468,906	2.85%	+387,454	Jun 30, 2026	carried, not yet filed for the newest quarter
8	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	467,553	2.84%	+232,400	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
9	SOMO DAVID M Insider CIK 1263268 · Aug 13, 2026 Director, President and CEO, issuer-wide	413,383	2.52%	+37,518	Aug 13, 2026	Director, President and CEO, issuer-wide
10	Bleichroeder LP 13F CIK 1781002 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	400,000	2.43%	+100,000	Jun 30, 2026	carried, not yet filed for the newest quarter
11	Baird Financial Group, Inc. 13F CIK 1648711 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	326,068	1.98%	+326,068	Jun 30, 2026	carried, not yet filed for the newest quarter
12	MARSHALL WACE, LLP 13F CIK 1318757 · Exempt reporting adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	318,217	1.94%	+318,217	Jun 30, 2026	carried, not yet filed for the newest quarter
13	JANE STREET GROUP, LLC 13F CIK 1595888 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	268,807	1.64%	+244,752	Jun 30, 2026	carried, not yet filed for the newest quarter
14	BRDAR DANIEL Insider CIK 1260614 · Jun 20, 2025 Director, President and CEO, issuer-wide	174,652	1.06%	-11,101	Jun 20, 2025	Director, President and CEO, issuer-wide
15	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	136,171	0.83%	+14,644	Jun 30, 2026	carried, not yet filed for the newest quarter
15.1	iShares Micro-Cap ETF Fund S000004439 · Registered fund · Jun 30, 2026 iShares Trust, not summed	33,710	0.21%	+13,603	Jun 30, 2026	iShares Trust, not summed
16	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	127,728	0.78%	+55,159	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
17	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	120,159	0.73%	+20,914	Jun 30, 2026	carried, not yet filed for the newest quarter
18	BURNS TIMOTHY Insider CIK 1520107 · Jun 22, 2026 CFO, issuer-wide	114,699	0.70%	+23,953	Jun 22, 2026	CFO, issuer-wide
19	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	100,754	0.61%	+100,754	Jun 30, 2026	carried, not yet filed for the newest quarter
20	TURMELLE MICHAEL C Insider CIK 1206290 · May 26, 2026 Director, issuer-wide	83,582	0.51%	+5,250	May 26, 2026	Director, issuer-wide
21	Polar Asset Management Partners Inc. 13F CIK 1326389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	70,700	0.43%	+70,700	Jun 30, 2026	carried, not yet filed for the newest quarter
22	Silverberg Bernstein Capital Management LLC 13F CIK 2007880 · Registered investment adviser · Sep 30, 2026	66,391	0.40%	+66,391	Sep 30, 2026
23	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	64,105	0.39%	+21,592	Jun 30, 2026	carried, not yet filed for the newest quarter
24	BANK OF AMERICA CORP /DE/ 13F CIK 70858 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	60,739	0.37%	+60,739	Jun 30, 2026	carried, not yet filed for the newest quarter
25	Diversify Advisory Services, LLC 13F CIK 2021232 · Registered investment adviser · Sep 30, 2026	60,366	0.37%	+489	Sep 30, 2026
26	DIVERSIFY WEALTH MANAGEMENT, LLC 13F CIK 2030780 · Registered investment adviser · Sep 30, 2026	60,366	0.37%	+489	Sep 30, 2026
27	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	58,396	0.36%	+37,336	Jun 30, 2026	carried, not yet filed for the newest quarter
28	Lesster Laban E Insider CIK 1737426 · Jan 2, 2026 Director, issuer-wide	42,166	0.26%	+18,182	Jan 2, 2026	Director, issuer-wide
29	XTX Topco Ltd 13F CIK 1828301 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	42,090	0.26%	+42,090	Jun 30, 2026	carried, not yet filed for the newest quarter
30	Jump Financial, LLC 13F CIK 1831577 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	41,000	0.25%	+41,000	Jun 30, 2026	carried, not yet filed for the newest quarter
31	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	40,747	0.25%	+18,900	Jun 30, 2026	carried, not yet filed for the newest quarter
32	Fidelity Extended Market Index Fund Fund S000006021 · Registered fund · May 31, 2026 Fidelity Concord Street Trust, not summed	40,549	0.25%	+267	May 31, 2026	Fidelity Concord Street Trust, not summed
33	FREEMAN DRUE Insider CIK 1920565 · Jan 2, 2026 Director, issuer-wide	39,166	0.24%	+18,182	Jan 2, 2026	Director, issuer-wide
34	KNIGHT GREGORY C Insider CIK 1920567 · Jan 2, 2026 Director, issuer-wide	39,166	0.24%	+18,182	Jan 2, 2026	Director, issuer-wide
35	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	37,918	0.23%	+11,220	Jun 30, 2026	carried, not yet filed for the newest quarter
36	Walleye Capital LLC 13F CIK 1758720 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	24,377	0.15%	+24,377	Jun 30, 2026	carried, not yet filed for the newest quarter
37	Resurgent Financial Advisors LLC 13F CIK 1912339 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	24,040	0.15%	+4,000	Jun 30, 2026	carried, not yet filed for the newest quarter
38	SteelPeak Wealth, LLC 13F CIK 1801868 · Registered investment adviser · Sep 30, 2026	22,316	0.14%	+22,316	Sep 30, 2026
39	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	20,787	0.13%	+20,787	Jun 30, 2026	carried, not yet filed for the newest quarter
40	BAILARD, INC. 13F CIK 750641 · Registered investment adviser · Sep 30, 2026	20,365	0.12%	0	Sep 30, 2026
41	Virtu Financial LLC 13F CIK 1533964 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	16,705	0.10%	+16,705	Jun 30, 2026	carried, not yet filed for the newest quarter
42	Jefferies Financial Group Inc. 13F CIK 96223 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	15,001	0.09%	+15,001	Jun 30, 2026	carried, not yet filed for the newest quarter
43	AlphaCore Capital LLC 13F CIK 1713662 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	14,234	0.09%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
44	Invesco Ltd. 13F CIK 914208 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	14,146	0.09%	+14,146	Jun 30, 2026	carried, not yet filed for the newest quarter
45	Fidelity Total Market Index Fund Fund S000006026 · Registered fund · May 31, 2026 Fidelity Concord Street Trust, not summed	13,111	0.08%	0	May 31, 2026	Fidelity Concord Street Trust, not summed
46	Fidelity Series Total Market Index Fund Fund S000065248 · Registered fund · May 31, 2026 Fidelity Concord Street Trust, not summed	11,872	0.07%	+1,358	May 31, 2026	Fidelity Concord Street Trust, not summed
47	T3 Companies, LLC 13F CIK 2052441 · Unknown · Sep 30, 2026	10,000	0.06%	+10,000	Sep 30, 2026
48	VANGUARD BALANCED INDEX FUND Fund S000002560 · Registered fund · Jun 30, 2026 VANGUARD VALLEY FORGE FUNDS, not summed	6,962	0.04%	—	Jun 30, 2026	VANGUARD VALLEY FORGE FUNDS, not summed
49	VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND Fund S000002855 · Registered fund · Jun 30, 2026 VANGUARD INSTITUTIONAL INDEX FUNDS, not summed	6,716	0.04%	0	Jun 30, 2026	VANGUARD INSTITUTIONAL INDEX FUNDS, not summed
50	BNP PARIBAS ARBITRAGE, SA 13F CIK 1166588 · Non-US institution · Jun 30, 2026 carried, not yet filed for the newest quarter	6,362	0.04%	+6,362	Jun 30, 2026	carried, not yet filed for the newest quarter

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 70 holders

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Key facts CIK 1507957 CUSIP 451622203 13F (30d) 10 filings 10 filers Visit website Investor relations