PERKINS CAPITAL MANAGEMENT INC RMTI — D ROCKWELL MEDICAL TECH COM

Ownership history in PERKINS CAPITAL MANAGEMENT INC  ·  98 quarters on record

AI Ownership Summary

PERKINS CAPITAL MANAGEMENT INC reported D ROCKWELL MEDICAL TECH COM (RMTI) in 98 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 1.3% in 2024 Q3. The latest visible filing shows RMTI at 0.06% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this RMTI ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was PERKINS CAPITAL MANAGEMENT INC's position in D ROCKWELL MEDICAL TECH COM, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

RMTI was reported at 0.06% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.3% in 2024 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

RMTI stock page PERKINS CAPITAL MANAGEMENT INC fund profile PERKINS CAPITAL MANAGEMENT INC full holdings
How PERKINS CAPITAL MANAGEMENT INC held RMTI — position size vs. price
% of Fund (quarterly)    RMTI price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 70,371 +2,500 +3.7% 0.06% $63K 2026-04-23 $0.86
2025 Q4 REDUCED 5.6% +7.2% ❌ 67,871 -4,051 -5.6% 0.04% $57K 2026-02-04 $1.03
2025 Q3 UNCHANGED — — — 71,922 — 0% 0.08% $86K 2025-10-31 $1.11
2025 Q2 UNCHANGED — — — 71,922 — 0% 0.06% $61K 2025-08-07 $0.98
2025 Q1 REDUCED — — — 71,922 -2,045 -2.8% 0.09% $81K 2025-05-07 $1.12
2024 Q4 REDUCED 78.9% -44.6% ✅ 73,967 -276,409 -78.9% 0.13% $151K 2025-02-11 $1.79
2024 Q3 REDUCED — — — 350,376 -33 -0.0% 1.30% $1.4M 2024-10-31 $3.65
2024 Q2 ADDED — — — 350,409 +1,725 +0.5% 0.58% $617K 2024-08-09 $2.17
2024 Q1 REDUCED — — — 348,684 -1,250 -0.4% 0.48% $579K 2024-05-09 $1.65
2023 Q4 ADDED — — — 349,934 +274,891 +366.3% 0.56% $661K 2024-01-22 $1.44
88 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding RMTI

As of 2026 Q1 — sorted by position size

Richmond Brothers, Inc. 3Y 0.02% WealthTrust Axiom LLC 3Y 7Y 0.01% CORSAIR CAPITAL MANAGEMENT, L.P. 3Y 7Y 0.01% Burford Brothers, Inc. 0.01% Beacon Financial Advisory LLC 3Y 0.0% Spartan Wealth Advisory Services LLC 0.0% Wealthspire Advisors, LLC 3Y 7Y 0.0% RENAISSANCE TECHNOLOGIES LLC 3Y 7Y 0.0% XTX Topco Ltd 3Y 0.0% HARBOUR INVESTMENTS, INC. 3Y 0.0%

FAQ About PERKINS CAPITAL MANAGEMENT INC and RMTI

These are the practical questions this page is built to answer before you even open the full history table.

How long has PERKINS CAPITAL MANAGEMENT INC reported owning RMTI?

PERKINS CAPITAL MANAGEMENT INC reported RMTI across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported RMTI position in PERKINS CAPITAL MANAGEMENT INC's portfolio?

The largest reported portfolio weight for RMTI was 1.30% in 2024 Q3.

What is the latest reported RMTI position on this page?

The most recent filing on this page is 2026 Q1, when PERKINS CAPITAL MANAGEMENT INC reported 70,371 shares, equal to 0.06% of portfolio, with an estimated market value of $63K.

What does the chart on this RMTI ownership page compare?

The chart compares PERKINS CAPITAL MANAGEMENT INC's quarterly RMTI portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did PERKINS CAPITAL MANAGEMENT INC time their RMTI position?

Based on 13F filing dates vs. subsequent RMTI price moves, PERKINS CAPITAL MANAGEMENT INC correctly timed 36 out of 72 reported position changes (50%). The annualised alpha on RMTI relative to SPY over the holding period was -18.6%.

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