ROCKWELL MEDICAL INC (RMTI) Institutional Ownership Changes & 13F Activity

ROCKWELL MEDICAL INC (RMTI). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Vanguard Capital Management Llc, Vanguard Fiduciary Trust Co, Renaissance Technologies LLC, Wealthspire Advisors, Llc, and Geode Capital Management, Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Geode Capital Management, LlcBuy+64,364+17.6%429,180$383.42KQ1 2026May 15, 2026
Corsair Capital Management, L.P.Buy+50,000—50,000$44.66KQ1 2026May 15, 2026
Harbour Investments, Inc.Buy+33,674—33,674$30.08KQ1 2026May 15, 2026
Xtx Topco LtdSell-15,261-24.6%46,836$41.83KQ1 2026May 15, 2026
Tower Research Capital Llc (Trc)Sell-4,422-68.4%2,042$1.82KQ1 2026May 15, 2026
Morgan StanleyBuy+326+9.2%3,868$3.46KQ1 2026May 15, 2026
Osaic Holdings, Inc.Sell-16-3.5%445$396.00Q1 2026May 15, 2026
Renaissance Technologies LLCBuy+170,800+36.5%639,120$570.86KQ1 2026May 14, 2026
Hrt Financial LpBuy+12,762—12,762$11.00KQ1 2026May 14, 2026
Panagora Asset Management IncBuy+2,457+3.7%69,726$62.28KQ1 2026May 14, 2026
Northern Trust CorpBuy+2,125+2.1%104,523$93.36KQ1 2026May 14, 2026
Prudential Financial IncBuy+35,800—35,800$31.98KQ1 2026May 13, 2026
Blackrock, Inc.Buy+15,975+7.2%236,671$211.40KQ1 2026May 13, 2026
Group One Trading LlcBuy+281+2341.7%293$262.00Q1 2026May 13, 2026
Leo H. Evart, Inc.Buy+9—9$8.00Q1 2026May 13, 2026
Jane Street Group, LlcSell-22,123-21.9%78,956$70.52KQ1 2026May 12, 2026
Citigroup IncBuy+10,276—10,276$9.18KQ1 2026May 11, 2026
Wealthtrust Axiom LlcBuy+1,200+3.2%39,100$34.92KQ1 2026May 11, 2026
Vanguard Capital Management LlcBuy+1,182,361—1,182,361$1.06MQ1 2026May 08, 2026
Vanguard Fiduciary Trust CoBuy+231,258—231,258$206.51KQ1 2026May 08, 2026
Vanguard Global Advisers, LlcBuy+10,571—10,571$9.44KQ1 2026May 08, 2026
Scarborough Advisors, LlcBuy+269—269$240.00Q1 2026May 07, 2026
Spartan Wealth Advisory Services LlcBuy+25,010—25,010$22.34KQ1 2026May 06, 2026
Lpl Financial LlcSell-1,000-2.4%40,743$36.39KQ1 2026May 06, 2026
Ubs Group AgBuy+39,171+28.0%178,886$159.75KQ1 2026May 05, 2026
Wealthspire Advisors, LlcBuy+151,838—151,838$135.62KQ1 2026May 01, 2026
Fifth Third BancorpBuy+163—163$146.00Q1 2026May 01, 2026
Sbi Securities Co., Ltd.Sell-293-81.4%67$60.00Q1 2026Apr 28, 2026
Commonwealth Equity Services, LlcSell-45-0.4%10,084$9.01KQ1 2026Apr 27, 2026
Perkins Capital Management IncBuy+2,500+3.7%70,371$62.85KQ1 2026Apr 23, 2026
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Frequently asked questions about RMTI activity

  • Which institutional owners are buying RMTI?

    Institutional owners buying RMTI include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in RMTI activity?

    "Buy" means an investor increased their reported position in RMTI compared to the prior reporting period. This reflects growing exposure to ROCKWELL MEDICAL INC (RMTI) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in RMTI increasing?

    Institutional interest in RMTI can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.