Security key
774374300
ROCKWELL MEDICAL, INC. - Common Stock, par value $0.0001 per share (RMTI)
CUSIP: 774374300
Q1 2023 13F Holders as of 31 Mar 2023
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 1,969,214
- Total 13F value
- $3,563,006
- Share change
- -902,971
- Put/Call ratio
- 141%
- SEC-reported price per share
- $1.81
- Number of holders
- 30
- Value change
- -$1,617,105
- Number of buys
- 11
- Number of sells
- 15
- Shares outstanding
- 89,116,466
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2023
Institutions
30
Top holders
10
RMTI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
ROCKWELL MEDICAL, INC. SEC filings
ROCKWELL MEDICAL, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 774374300
Recent filing periods:
Ownership snapshot
Top reported holders of RMTI - ROCKWELL MEDICAL, INC. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
ARMISTICE CAPITAL, LLC
Disclosed value leader
ARMISTICE CAPITAL, LLC
Comparable rows
15/15
Latest evidence
31 Dec 2022
13F
Lead comparable stake: 1.4%
Showing 1-6 of 15 holder rows.
Quick read
ARMISTICE CAPITAL, LLC leads the comparable SEC ownership view at 1.4%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens ARMISTICE CAPITAL, LLC's linked filing trail.
Comparable ownership
Top 5
ARMISTICE CAPITAL, LLC
1.4%
Richmond Brothers, Inc.
0.64%
PERKINS CAPITAL MANAGEMENT INC
0.37%
VANGUARD GROUP INC
0.25%
BlackRock Finance, Inc.
0.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ARMISTICE CAPITAL, LLC |
13F
Company
|
1.4%
|
$1,228,227
1,210,076 shares
|
— | 31 Dec 2022 |
| Richmond Brothers, Inc. |
13F
Company
|
0.64%
|
$575,871
567,373 shares
|
— | 31 Dec 2022 |
| PERKINS CAPITAL MANAGEMENT INC |
13F
Company
|
0.37%
|
$331,000
326,270 shares
|
— | 31 Dec 2022 |
| VANGUARD GROUP INC |
13F
Company
|
0.25%
|
$225,146
221,819 shares
|
— | 31 Dec 2022 |
| BlackRock Finance, Inc. |
13F
Company
|
0.1%
|
$89,016
87,701 shares
|
— | 31 Dec 2022 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
Company
|
0.09%
|
$79,370
78,197 shares
|
— | 31 Dec 2022 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
30
Shares
1,969,214
Rows available
30
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2023 vs Q1 2023 Across Filers
Q1 2023 holders
30
Q1 2023 holders
30
Holder diff
0
| Investor | Q1 2023 Shares | Q1 2023 Shares | Share Diff | Share Chg % | Q1 2023 value | Q1 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend