Rockwell Medical RMTI Institutional Ownership

NASDAQ RMTI

$6.94 -0.12 (-1.70%)

At close: Oct 23, 2026 · 4:00 PM EDT

Institutions by Trading Activity

33 Institutions

Increased 13 39.4%

Unchanged 11 33.3%

Reduced 9 27.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

8.59%

▼-1.49 pp QoQ

Shares Held by Institutions

341.19K

of 3.97Mn outstanding

▼-14.23% QoQ

Shares Outstanding

3.97Mn

3.63Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▼-7 vs prior quarter

Net Shares Added (QoQ)

-56.59K

distributed since last quarter

Value of Holdings

$2.41Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 10, 2026

Rockwell Medical, Inc. (NASDAQ:RMTI) had 33 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

Collectively, these holders controlled 8.59% of Rockwell Medical's outstanding shares in Q2 2026, down from 10.08% in Q1 2026.
Total holdings of Rockwell Medical shares fell 14.23% from Q1 2026, and the number of holders fell 15.38% from Q2 2025.
Of the 33 holders of RMTI in Q2 2026, 13 added to their positions, 9 reduced their stakes and 11 left their positions unchanged.
Altogether, institutional holders owned 341.19K RMTI shares at the end of Q2 2026, down 56.59K from the prior quarter and down 239.41K from a year earlier.
As of June 30, 2026, Vanguard Capital Management LLC held the largest stake in Rockwell Medical with 122.99K shares, or 3.10% of shares outstanding.
Holders that added the most shares of Rockwell Medical in Q2 2026 were Jane Street Group, LLC (+16.63K shares), Vanguard Capital Management LLC (+4.75K shares), Tower Research Capital LLC (+1.23K shares), Wells Fargo & Company (+500 shares) and Vanguard Fiduciary Trust Co (+140 shares).
The largest position reductions in RMTI for Q2 2026 were by Renaissance Technologies LLC (-27.94K shares), UBS Group AG (-10.89K shares), BlackRock, Inc. (-9.19K shares), Geode Capital Management, LLC (-6.51K shares) and XTX Topco Ltd (-3.57K shares).
Rockwell Medical's 10 largest institutional shareholders as of Q2 2026 were Vanguard Capital Management LLC (122.99K shares), Geode Capital Management, LLC (36.41K shares), Renaissance Technologies LLC (35.97K shares), Jane Street Group, LLC (24.52K shares), Vanguard Fiduciary Trust Co (23.27K shares), Wealthspire Advisors, LLC (15.18K shares), BlackRock, Inc. (14.48K shares), State Street Corp (10.09K shares), Northern Trust Corp (9.19K shares) and UBS Group AG (7K shares), per Business Quant data.

Form 13F Holdings

34 Institutional Holders

Report period 30 Jun, 2026

Total shares held 341.19K

Of outstanding 8.59%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	122,989	3.10%	▲4,753	+4.02%	$677.67K
2	GEODE CAPITAL MANAGEMENT, LLC	0001214717	36,406	0.92%	▼6,512	-15.17%	$213.90K
3	RENAISSANCE TECHNOLOGIES LLC	0001037389	35,967	0.91%	▼27,945	-43.72%	$198.00K
4	JANE STREET GROUP, LLC	0001595888	24,523	0.62%	▲16,627	+210.59%	$135.00K
5	VANGUARD FIDUCIARY TRUST CO	0000933478	23,266	0.59%	▲140	+0.61%	$128.20K
6	Wealthspire Advisors, LLC	0001646247	15,184	0.38%	0	0.00%	$83.59K
7	BlackRock, Inc.	0002012383	14,476	0.36%	▼9,191	-38.84%	$79.69K
8	State Street Corp	0000093751	10,090	0.25%	0	0.00%	$55.55K
9	Northern Trust Corp	0000073124	9,186	0.23%	▼1,266	-12.11%	$50.57K
10	UBS Group AG	0001610520	7,001	0.18%	▼10,888	-60.86%	$38.51K
11	GSA CAPITAL PARTNERS LLP	0001362033	6,980	0.18%	▲6,980	0.00%	$38
12	PANAGORA ASSET MANAGEMENT INC	0000883677	6,935	0.17%	▼37	-0.53%	$38.18K
13	CORSAIR CAPITAL MANAGEMENT, L.P.	0001276470	5,000	0.13%	0	0.00%	$27.53K
14	LPL Financial LLC	0001403438	4,026	0.10%	▼48	-1.19%	$22.16K
15	WealthTrust Axiom LLC	0001425949	3,300	0.08%	▼610	-15.60%	$18.17K
16	Richmond Brothers, Inc.	0001540462	3,061	0.08%	0	0.00%	$16.85K
17	Spartan Wealth Advisory Services LLC	0002075193	2,501	0.06%	0	0.00%	$13.77K
18	TWO SIGMA SECURITIES, LLC	0001450144	2,474	0.06%	▲2,474	0.00%	$13.62K
19	Tower Research Capital LLC (TRC)	0001533421	1,439	0.04%	▲1,234	+604.51%	$7.92K
20	Burford Brothers, Inc.	0002001434	1,417	0.04%	0	0.00%	$7.80K

Showing 1 to 20 of 34 holders