RMTI · Rockwell Medical, Inc. · Shareholders & Ownership

$7.00 +0.06 (+0.86%) At close · Oct 26

Market Cap

$27.97M

4.03M

Volume · Oct 26 11.12K Avg daily vol (3M) 26.62K

Every disclosed holder of RMTI 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 RMTI

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)	36	341,970	8.48%	Yes
Insiders (Forms 3, 4, 5)	13	664,810	16.49%	Yes
13D/G-only blocks	1	887,600	22.02%	Yes
Remaining	—	2,136,085	53.00%	Rest
Registered funds (N-PORT, not summed)	7	154,930	3.84%	No

Shares outstanding: 4,030,465, 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 RMTI

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	ARMISTICE CAPITAL, LLC 13G CIK 1601086 · Registered investment adviser · Jun 30, 2025 Rule 13d-1(b), qualified institution	887,600	22.02%	+559,186	Jun 30, 2025	Rule 13d-1(b), qualified institution
2	Irrevocable Larson Family Investment Trust Insider CIK 2022157 · Apr 11, 2025 10% Owner, issuer-wide	355,750	8.83%	+8,750	Apr 11, 2025	10% Owner, issuer-wide
2.1	Irrevocable Larson Family Investment Trust 13G CIK 2022157 · Unknown · Dec 12, 2024 Rule 13d-1(c), passive investor, not summed	347,000	8.61%	+41,250	Dec 12, 2024	Rule 13d-1(c), passive investor, not summed
3	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	122,989	3.05%	+4,753	Jun 30, 2026	carried, not yet filed for the newest quarter
4	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	84,493	2.10%	+4,893	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
5	Strobeck Mark Insider CIK 1599219 · Oct 1, 2026 Director, issuer-wide	61,349	1.52%	-1,000	Oct 1, 2026	Director, issuer-wide
6	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	36,406	0.90%	-6,512	Jun 30, 2026	carried, not yet filed for the newest quarter
7	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	35,967	0.89%	-27,945	Jun 30, 2026	carried, not yet filed for the newest quarter
8	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	35,916	0.89%	-140	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
9	TIMMINS MEGAN C. Insider CIK 1733798 · Jul 1, 2026 SVP, Gen Csl & Sec, issuer-wide	31,240	0.78%	+14,999	Jul 1, 2026	SVP, Gen Csl & Sec, issuer-wide
10	Hunter Heather Insider CIK 2090705 · Jul 1, 2026 Chief Operating Officer, issuer-wide	28,007	0.69%	+14,999	Jul 1, 2026	Chief Operating Officer, issuer-wide
11	Chole Timothy Insider CIK 2025169 · Jul 1, 2026 SVP and CCO, issuer-wide	27,285	0.68%	+14,999	Jul 1, 2026	SVP and CCO, issuer-wide
12	Neri Jesse Insider CIK 1997116 · Jul 1, 2026 SVP and CFO, issuer-wide	27,239	0.68%	+14,999	Jul 1, 2026	SVP and CFO, issuer-wide
13	JANE STREET GROUP, LLC 13F CIK 1595888 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	24,523	0.61%	+16,627	Jun 30, 2026	carried, not yet filed for the newest quarter
14	Radie Robert S Insider CIK 1591113 · Jul 1, 2026 Director, issuer-wide	23,985	0.60%	+9,632	Jul 1, 2026	Director, issuer-wide
15	Nissenson Allen Insider CIK 1441889 · Jul 1, 2026 Director, issuer-wide	23,892	0.59%	+9,632	Jul 1, 2026	Director, issuer-wide
16	COOPER JOHN G Insider CIK 1164287 · Jul 1, 2026 Director, issuer-wide	23,670	0.59%	+9,633	Jul 1, 2026	Director, issuer-wide
17	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	23,266	0.58%	+140	Jun 30, 2026	carried, not yet filed for the newest quarter
18	Lau Joan Insider CIK 1881621 · Jul 1, 2026 Director, issuer-wide	20,944	0.52%	+9,633	Jul 1, 2026	Director, issuer-wide
19	Wealthspire Advisors, LLC 13F CIK 1646247 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	15,184	0.38%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
20	RAVICH MARK H Insider CIK 897727 · May 20, 2025 Director, issuer-wide	15,110	0.37%	+2,740	May 20, 2025	Director, issuer-wide
21	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	14,476	0.36%	-9,191	Jun 30, 2026	carried, not yet filed for the newest quarter
22	Smiley Andrea Heslin Insider CIK 1703767 · May 20, 2025 Director, issuer-wide	14,206	0.35%	+5,000	May 20, 2025	Director, issuer-wide
23	Dawson Joseph H Insider CIK 2097560 · Jul 1, 2026 Director, issuer-wide	12,133	0.30%	+9,633	Jul 1, 2026	Director, issuer-wide
24	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	10,090	0.25%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
25	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	9,186	0.23%	-1,266	Jun 30, 2026	carried, not yet filed for the newest quarter
26	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	7,001	0.17%	-10,888	Jun 30, 2026	carried, not yet filed for the newest quarter
27	GSA CAPITAL PARTNERS LLP 13F CIK 1362033 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	6,980	0.17%	+6,980	Jun 30, 2026	carried, not yet filed for the newest quarter
28	PANAGORA ASSET MANAGEMENT INC 13F CIK 883677 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	6,935	0.17%	-38	Jun 30, 2026	carried, not yet filed for the newest quarter
29	CORSAIR CAPITAL MANAGEMENT, L.P. 13F CIK 1276470 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	5,000	0.12%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
30	LPL Financial LLC 13F CIK 1403438 · Broker-dealer · Jun 30, 2026 carried, not yet filed for the newest quarter	4,026	0.10%	-48	Jun 30, 2026	carried, not yet filed for the newest quarter
31	WealthTrust Axiom LLC 13F CIK 1425949 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	3,300	0.08%	-610	Jun 30, 2026	carried, not yet filed for the newest quarter
32	Richmond Brothers, Inc. 13F CIK 1540462 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	3,061	0.08%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
33	VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND Fund S000002855 · Registered fund · Jun 30, 2026 VANGUARD INSTITUTIONAL INDEX FUNDS, not summed	2,581	0.06%	0	Jun 30, 2026	VANGUARD INSTITUTIONAL INDEX FUNDS, not summed
34	Spartan Wealth Advisory Services LLC 13F CIK 2075193 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,501	0.06%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
35	TWO SIGMA SECURITIES, LLC 13F CIK 1450144 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	2,474	0.06%	+2,474	Jun 30, 2026	carried, not yet filed for the newest quarter
36	HARBOUR INVESTMENTS, INC. 13F CIK 810121 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,187	0.05%	-1,180	Jun 30, 2026	carried, not yet filed for the newest quarter
37	Tower Research Capital LLC (TRC) 13F CIK 1533421 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	1,439	0.04%	+1,235	Jun 30, 2026	carried, not yet filed for the newest quarter
38	XTX Topco Ltd 13F CIK 1828301 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	1,118	0.03%	-3,566	Jun 30, 2026	carried, not yet filed for the newest quarter
39	Vanguard Global Advisers, LLC 13F CIK 1811242 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,057	0.03%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
40	Savvy Advisors, Inc. 13F CIK 2003633 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,000	0.02%	+1,000	Jun 30, 2026	carried, not yet filed for the newest quarter
41	WELLS FARGO & COMPANY/MN 13F CIK 72971 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	999	0.02%	+500	Jun 30, 2026	carried, not yet filed for the newest quarter
42	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	432	0.01%	+45	Jun 30, 2026	carried, not yet filed for the newest quarter
43	SHP Wealth Management 13F CIK 1807060 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	142	0.00%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
44	IFG Advisory, LLC 13F CIK 1728319 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	67	0.00%	+67	Jun 30, 2026	carried, not yet filed for the newest quarter
45	GROUP ONE TRADING LLC 13F CIK 932540 · Broker-dealer · Jun 30, 2026 carried, not yet filed for the newest quarter	46	0.00%	+17	Jun 30, 2026	carried, not yet filed for the newest quarter
46	OSAIC HOLDINGS, INC. 13F CIK 1677044 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	45	0.00%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
47	JONES FINANCIAL COMPANIES LLLP 13F CIK 815917 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	26	0.00%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
48	BARCLAYS PLC 13F CIK 312069 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	21	0.00%	+21	Jun 30, 2026	carried, not yet filed for the newest quarter
49	FIFTH THIRD BANCORP 13F CIK 35527 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	16	0.00%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
50	SBI Securities Co., Ltd. 13F CIK 1851815 · Non-US institution · Sep 30, 2026	5	0.00%	-2	Sep 30, 2026

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 53 holders

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Key facts CIK 1041024 CUSIP 774374409 13F (30d) 2 filings 2 filers Visit website Investor relations