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Rockwell Medical (RMTI) Institutional Ownership

Rockwell Medical logo
$7.41 -0.41 (-5.24%)
Closing price 08/14/2026 04:00 PM Eastern
Extended Trading
$7.44 +0.03 (+0.40%)
As of 08/14/2026 07:34 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Rockwell Medical (NASDAQ:RMTI)

Current
Institutional Ownership
Percentage
23.31%
Number of
Institutional Buyers
(last 12 months)
7
Total
Institutional Inflows
(last 12 months)
$7.03M
Number of
Institutional Sellers
(last 12 months)
1
Total
Institutional Outflows
(last 12 months)
$782.53K
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RMTI Institutional Buying and Selling by Quarter

Rockwell Medical Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/15/2026Corsair Capital Management L.P.50,000$45K0.0%N/A0.127%
5/14/2026 Renaissance Technologies LLC639,120$571K0.0%+36.5%1.619%
2/18/2026XTX Topco Ltd62,097$52K0.0%+286.5%0.158%
2/12/2026Jane Street Group LLC101,079$84K0.0%N/A0.257%
2/12/2026 Renaissance Technologies LLC468,320$390K0.0%-16.7%1.189%
2/9/2026 Geode Capital Management LLC364,816$304K0.0%+12.9%0.926%
11/7/2025 GSA Capital Partners LLP163,978$197K0.0%+635.1%0.476%
11/7/2025Vanguard Group Inc.1,354,147$1.63M0.0%+12.3%3.933%
8/14/2025 Globeflex Capital L P312,055$265K0.0%-58.0%0.913%
8/14/2025Armistice Capital LLC2,149,471$1.82M0.0%-9.2%6.291%
8/13/2025 Marshall Wace LLP173,779$148K0.0%-47.9%0.509%
8/13/2025 Panagora Asset Management Inc.48,398$41K0.0%N/A0.142%
6/27/2025Goldman Sachs Group Inc.40,122$45K0.0%-51.5%0.117%
5/16/2025Goldman Sachs Group Inc.40,122$45K0.0%-51.5%0.117%
5/15/2025Armistice Capital LLC2,366,144$2.67M0.0%-22.3%6.924%
5/15/2025Corsair Capital Management L.P.55,000$62K0.0%-26.7%0.161%
2/17/2025Millennium Management LLC74,345$152K0.0%-49.5%0.230%
2/14/2025Two Sigma Securities LLC16,280$33K0.0%N/A0.050%
2/14/2025Dimensional Fund Advisors LP71,623$146K0.0%N/A0.222%
2/13/2025Marshall Wace LLP596,359$1.22M0.0%+17.2%1.845%
2/13/2025XTX Topco Ltd44,962$92K0.0%+58.0%0.139%
2/13/2025Barclays PLC28,854$59K0.0%+27.5%0.089%
2/13/2025Raymond James Financial Inc.13,482$28K0.0%N/A0.042%
2/13/2025Renaissance Technologies LLC442,350$902K0.0%+285.8%1.369%
2/12/2025Geode Capital Management LLC320,416$654K0.0%+4.3%0.991%
2/12/2025Arrowstreet Capital Limited Partnership106,135$217K0.0%-26.6%0.328%
2/11/2025Perkins Capital Management Inc.73,967$151K0.1%-78.9%0.229%
2/11/2025LPL Financial LLC54,872$112K0.0%+91.3%0.170%
2/11/2025Richmond Brothers Inc.32,682$67K0.0%-86.9%0.101%
2/6/2025Raymond James Financial Inc.13,482$28K0.0%N/A0.042%
1/24/2025SkyOak Wealth LLC12,300$25K0.0%-50.9%0.038%
12/26/2024JPMorgan Chase & Co.47,074$187K0.0%+134,397.1%0.146%
11/19/2024Barclays PLC22,625$90K0.0%N/A0.070%
11/15/2024Barclays PLC22,625$90K0.0%N/A0.070%
11/15/2024XTX Topco Ltd28,455$113K0.0%+45.7%0.088%
11/15/2024Jane Street Group LLC134,390$534K0.0%N/A0.416%
11/15/2024State Street Corp95,004$377K0.0%+21.5%0.294%
11/15/2024HighTower Advisors LLC57,413$228K0.0%+75.6%0.178%
11/14/2024Walleye Capital LLC109,561$435K0.0%N/A0.353%
11/14/2024Corsair Capital Management L.P.75,000$298K0.1%N/A0.242%
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11/5/2024Verus Capital Partners LLC12,800$51K0.0%N/A0.041%
11/5/2024GSA Capital Partners LLP88,590$352K0.0%-51.2%0.285%
10/31/2024Concurrent Investment Advisors LLC10,000$40K0.0%N/A0.032%
10/30/2024Beacon Financial Advisory LLC24,645$98K0.0%N/A0.079%
8/15/2024Armistice Capital LLC3,221,640$5.67M0.1%+22.5%10.627%
8/12/2024Richmond Brothers Inc.276,828$487K1.0%-14.1%0.913%
8/12/2024XTX Topco Ltd19,533$34K0.0%-39.7%0.064%
8/9/2024Renaissance Technologies LLC102,700$181K0.0%+877.1%0.339%
5/10/2024Vanguard Group Inc.1,118,277$1.86M0.0%+4.0%3.808%
5/10/2024Richmond Brothers Inc.322,251$535K1.0%-21.9%1.097%
4/30/2024SkyOak Wealth LLC25,110$42K0.0%+47.3%0.086%
2/13/2024Armistice Capital LLC1,852,000$3.50M0.0%-34.3%6.501%
2/5/2024WealthTrust Axiom LLC31,500$60K0.0%+49.3%0.111%
1/22/2024Perkins Capital Management Inc.349,934$661K0.6%+366.3%1.228%
1/16/2024Raymond James & Associates220,979$418K0.0%+15.9%0.776%
11/15/2023Armistice Capital LLC2,817,000$5.86M0.1%+631.7%9.888%
11/13/2023ClariVest Asset Management LLC134,200$279K0.0%N/A0.471%
11/7/2023Great Valley Advisor Group Inc.17,961$37K0.0%N/A0.063%
11/3/2023Richmond Brothers Inc.410,352$854K1.6%-2.9%1.440%
11/3/2023WealthTrust Axiom LLC21,100$44K0.0%N/A0.074%
10/24/2023Raymond James & Associates190,670$397K0.0%+298.7%0.669%
9/8/2023Tucker Asset Management LLC52,049$284K0.1%N/A0.183%
8/11/2023Richmond Brothers Inc.422,624$2.31M3.7%-7.3%3.075%
8/7/2023Acadian Asset Management LLC13,852$75K0.0%N/A0.101%
7/27/2023Virtu Financial LLC32,020$175K0.0%N/A0.233%
7/25/2023Raymond James & Associates47,820$261K0.0%-20.1%0.348%
7/25/2023Ameritas Advisory Services LLC10,563$54K0.0%N/A0.077%
7/21/2023Perkins Capital Management Inc.80,043$437K0.4%-75.2%0.583%
7/18/2023Stratos Wealth Partners LTD.150,176$820K0.0%N/A1.093%
5/10/2023Richmond Brothers Inc.455,938$825K1.4%-19.6%3.633%
5/8/2023Sigma Planning Corp25,268$46K0.0%N/A0.201%
4/24/2023Verdence Capital Advisors LLC13,697$25K0.0%-78.5%0.109%
4/14/2023Raymond James & Associates59,820$108K0.0%N/A0.477%
2/8/2023Richmond Brothers Inc.567,373$576K0.8%-9.2%6.029%
1/26/2023Perkins Capital Management Inc.326,270$331K0.3%+3.9%3.468%
11/15/2022Verdence Capital Advisors LLC63,689$84K0.0%-11.2%0.677%
11/14/2022Armistice Capital LLC959,000$1.27M0.0%+364.4%10.195%
11/2/2022Richmond Brothers Inc.624,695$724K0.8%-2.2%6.639%
10/24/2022Perkins Capital Management Inc.313,903$414K0.5%-11.6%3.337%
8/12/2022Richmond Brothers Inc.638,985$717K0.7%-90.7%6.790%
8/8/2022Verdence Capital Advisors LLC71,689$92K0.0%-86.6%0.762%
7/29/2022Perkins Capital Management Inc.355,052$458K0.5%-91.4%3.783%
7/26/2022SkyOak Wealth LLC19,545$25K0.0%-90.9%0.208%


RMTI Institutional Ownership - Frequently Asked Questions

During the previous two years, 29 institutional investors and hedge funds held shares of Rockwell Medical. The most heavily invested institutionals were Armistice Capital LLC ($1.82M), Vanguard Group Inc. ($1.63M), Renaissance Technologies LLC ($571K), Walleye Capital LLC ($435K), State Street Corp ($377K), Geode Capital Management LLC ($304K), and Globeflex Capital L P ($265K).Learn more on Rockwell Medical's institutional investors.

23.31% of Rockwell Medical's stock is owned by institutional investors. Learn more on RMTI's institutional investor holdings.

Of the 21 institutional investors that purchased Rockwell Medical's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Renaissance Technologies LLC ($498.48K), Jane Street Group LLC ($235.47K), Vanguard Group Inc. ($148.74K), GSA Capital Partners LLP ($141.67K), Corsair Capital Management L.P. ($125K), Walleye Capital LLC ($109.56K), and Marshall Wace LLP ($87.69K).

Institutional investors have bought a total of 699,985 shares in the last 24 months. This purchase volume represents approximately $7.03M in transactions.

The following institutional investors have sold Rockwell Medical stock in the last 24 months: Renaissance Technologies LLC ($93.89K).

Institutional investors have sold a total of 93,885 shares in the last 24 months. This volume of shares sold represents approximately $782.53K in transactions.


Related Companies

Institutional ownership data for NASDAQ:RMTI is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 5/15/2026. New 13F filings are added each quarter as they're published.
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