RMTI · Rockwell Medical, Inc. · Holdings

$8.04 +0.09 (+1.07%) At close · Sep 10

Market Cap

$32.06M

4.03M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 36

Total Value: $1,888,778

Total Shares: 3,433,824

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 36 13F filers · Δ vs Mar 31, 2026

Top Holder

35.8%

+6.3 pts

Top 5

70.8%

+3.0 pts

Top 10

87.1%

+3.6 pts

HHI

1,674

Moderately concentrated+297

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -7

Institutional value: -47.1%

Shares held: -14.4%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega JANE STREET GROUP, LLC	+16,627	24,523
Mega VANGUARD CAPITAL MANAGEMENT LLC	+4,753	122,989
Mid Tower Research Capital LLC (TRC)	+1,235	1,439
Mega WELLS FARGO & COMPANY/MN	+500	999
Mega VANGUARD FIDUCIARY TRUST CO	+140	23,266

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large RENAISSANCE TECHNOLOGIES LLC	−27,945	35,967
Mega UBS Group AG	−10,888	7,001
Mega BlackRock, Inc.	−9,191	14,476
Mega GEODE CAPITAL MANAGEMENT, LLC	−6,512	36,406
Mid XTX Topco Ltd	−3,566	1,118

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid GSA CAPITAL PARTNERS LLP	6,980	$38,390
Small TWO SIGMA SECURITIES, LLC	2,474	$13,608
Mid Savvy Advisors, Inc.	1,000	$5,500
Mid IFG Advisory, LLC	67	$368
Mid Farther Finance Advisors, LLC	4	$214

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large HighTower Advisors, LLC	9,352	$83,236
Small PERKINS CAPITAL MANAGEMENT INC	7,037	$62,630
Large PRUDENTIAL FINANCIAL INC	3,580	$31,862
Mega CITADEL ADVISORS LLC	3,260	$29,014
Small Beacon Financial Advisory LLC	2,464	$21,934

Filter: New 7 Increased 7 Reduced 10 Sold out 14 Unchanged 12

Showing 36 of 36

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

VANGUARD CAPITAL MANAGEMENT LLC

$676,438

35.81%

1,229,888

GEODE CAPITAL MANAGEMENT, LLC

$200,233

10.60%

364,061

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	76,031	$41,817	20.9%	Defined
Held directly	288,030	$158,416	79.1%	Defined

RENAISSANCE TECHNOLOGIES LLC

$197,819

10.47%

359,672

JANE STREET GROUP, LLC

$134,875

7.14%

245,229

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	148,633	$81,748	60.6%	Defined
Jane Street Global Trading, LLC	96,596	$53,127	39.4%	Defined

VANGUARD FIDUCIARY TRUST CO

$127,963

6.77%

232,660

Wealthspire Advisors, LLC

$83,510

4.42%

151,838

BlackRock, Inc.

$79,615

4.22%

144,756

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Institutional Trust Company, N.A.	144,756	$79,615	100.0%	Sole

STATE STREET CORP

$55,497

2.94%

100,904

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	100,904	$55,497	100.0%	Defined

NORTHERN TRUST CORP

$50,524

2.67%

91,862

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	91,862	$50,524	100.0%	Defined

UBS Group AG

$38,505

2.04%

70,010

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	200	$110	0.3%	Defined
UBS AG	63,577	$34,967	90.8%	Defined
UBS Securities LLC	6,233	$3,428	8.9%	Defined

GSA CAPITAL PARTNERS LLP

$38,390

2.03%

69,800

PANAGORA ASSET MANAGEMENT INC

$38,144

2.02%

69,353

CORSAIR CAPITAL MANAGEMENT, L.P.

$27,500

1.46%

50,000

LPL Financial LLC

$22,142

1.17%

40,259

WealthTrust Axiom LLC

$18,150

0.96%

33,000

Richmond Brothers, Inc.

$16,835

0.89%

30,611

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	30,605	$16,832	100.0%	Sole
Held directly	6	$3	0.0%	Sole

Spartan Wealth Advisory Services LLC

$13,755

0.73%

25,010

TWO SIGMA SECURITIES, LLC

$13,608

0.72%

24,743

HARBOUR INVESTMENTS, INC.

$12,025

0.64%

21,865

Tower Research Capital LLC (TRC)

$7,912

0.42%

14,386

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	14,386	$7,912	100.0%	Defined

Burford Brothers, Inc.

$7,792

0.41%

14,168

XTX Topco Ltd

$6,151

0.33%

11,184

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	11,184	$6,151	100.0%	Defined

Vanguard Global Advisers, LLC

$5,814

0.31%

10,571

Savvy Advisors, Inc.

$5,500

0.29%

10,000

WELLS FARGO & COMPANY/MN

$5,492

0.29%

9,987

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	5,000	$2,750	50.1%	Defined
WELLS FARGO CLEARING SERVICES, LLC	4,987	$2,742	49.9%	Defined

MORGAN STANLEY

$2,375

0.13%

4,321

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	41	$22	0.9%	Defined
MORGAN STANLEY & CO. LLC	683	$375	15.8%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	1,615	$888	37.4%	Defined
MORGAN STANLEY SMITH BARNEY LLC	1,982	$1,090	45.9%	Defined

SHP Wealth Management

$781

0.04%

1,421

IFG Advisory, LLC

$368

0.02%

670

GROUP ONE TRADING LLC

$254

0.01%

463

OSAIC HOLDINGS, INC.

$244

0.01%

445

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	274	$150	61.5%	Defined
Osaic Advisory Services, LLC	171	$94	38.5%	Defined

Farther Finance Advisors, LLC

$214

0.01%

JONES FINANCIAL COMPANIES LLLP

$141

0.01%

258

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	258	$141	100.0%	Sole

BARCLAYS PLC

$114

0.01%

209

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	209	$114	100.0%	Defined

FIFTH THIRD BANCORP

$89

0.00%

163

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fifth Third Bank, National Association	163	$89	100.0%	Defined

COMPASS FINANCIAL MANAGEMENT LLC

0.00%

FMR LLC

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STRATEGIC ADVISERS LLC	6	$3	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PGIM Quantitative Solutions LLC	35,800	$31,862	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	19,600	$17,444	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	13,000	$11,570	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	10,276	$9,145	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities plc	35	$31	100.0%	Defined

Key facts CIK 1041024 CUSIP 774374409 13F (30d) 21 filings 21 filers Visit website Investor relations