Rockwell Medical RMTI Institutional Ownership

NASDAQ RMTI

$7.95 -0.11 (-1.30%)

At close: Sep 9, 2026 · 4:00 PM EDT

Institutions by Trading Activity

34 Institutions

Increased 13 38.2%

Unchanged 12 35.3%

Reduced 9 26.5%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

8.62%

▼-1.47 pp QoQ

Shares Held by Institutions

341.19K

of 3.96Mn outstanding

▼-7.13% QoQ

Shares Outstanding

3.96Mn

3.62Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▼-8 vs prior quarter

Net Shares Added (QoQ)

-26.20K

distributed since last quarter

Value of Holdings

$2.73Mn

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

Quarter ending 30 Jun, 2026

Rockwell Medical, Inc. (NASDAQ:RMTI) showed up in the 13F filings of 34 institutional investors as of June 2026.

These investors collectively held 8.6% of Rockwell Medical's outstanding shares in June 2026, down from 10.1% in March 2026.
Their total shares held in RMTI decreased -7.13% from the prior quarter, while the number of investors in Rockwell Medical decreased 17.07% year over year.
Of these 34 funds, 13 grew their exposure to Rockwell Medical, 9 cut back, and 12 maintained positions.
In total, institutional investors held 341.19K shares in Rockwell Medical as of June 2026, down by 26.2K shares quarter on quarter, and down 250.27K shares year over year.
VANGUARD CAPITAL MANAGEMENT LLC holds the largest position in RMTI at 122.99K shares as of June 30, 2026, or 3.11% of shares outstanding.
The largest buyers of Rockwell Medical for the quarter ending June 2026 were JANE STREET GROUP, LLC (16.63K), GSA CAPITAL PARTNERS LLP (6.98K), VANGUARD CAPITAL MANAGEMENT LLC (4.75K), TWO SIGMA SECURITIES, LLC (2.47K), Tower Research Capital LLC (TRC) (1.23K).
The largest sales of RMTI for the quarter ending June 2026 came from RENAISSANCE TECHNOLOGIES LLC (27.94K), UBS Group AG (10.89K), BlackRock, Inc. (9.19K), GEODE CAPITAL MANAGEMENT, LLC (6.51K), XTX Topco Ltd (3.57K).
Per Business Quant, the top 10 investors in RMTI for the quarter ending June 2026 include VANGUARD CAPITAL MANAGEMENT LLC (122.99K), GEODE CAPITAL MANAGEMENT, LLC (36.41K), RENAISSANCE TECHNOLOGIES LLC (35.97K), JANE STREET GROUP, LLC (24.52K), VANGUARD FIDUCIARY TRUST CO (23.27K), Wealthspire Advisors, LLC (15.18K), BlackRock, Inc. (14.48K), State Street Corp (10.09K), Northern Trust Corp (9.19K), UBS Group AG (7.0K).

Form 13F Holdings

34 Institutional Holders

Report period 30 Jun, 2026

Total shares held 341.19K

Of outstanding 8.62%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	122,989	3.11%	▲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	0.37%	▼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	0.18%	▼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