KORU Medical Systems, Inc. (KRMD) shareholders
KRMDNasdaqSurgical & Medical Instruments & ApparatusFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 10, 2026Score 13/30
$3.70+0.01 (+0.27%)
Close on Nov 13, 2026Market cap $170.84MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
44.5%
21M of 46M shares
Institutional holders
85
12 new, 17 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
9 buys · 0 sales
Net bought $1.63M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Joseph M. Manko, Jr. Joint filing with Horton Capital Partners Fund, LP (10.93%), Horton Capital Partners, LLC (10.93%) and 1 more | 5,845,045 | 12.62% | 13D (active) amendment | Feb 13, 2026 |
| Topline Capital Management, LLC Joint filing with Topline Capital Partners, LP (8.50%), McBirney Collin (8.50%) | 3,941,014 | 8.50% | 13G (passive) amendment | Dec 31, 2025 |
| Mathew P. Arens Joint filing with First Light Asset Management, LLC (8.03%) | 3,831,475 | 8.27% | 13G (passive) amendment | Dec 31, 2025 |
| BlackRock, Inc. | 2,575,761 | 5.60% | 13G (passive) | Jun 30, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of KRMD | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| First Light Asset Management, LLC | 3,387,902 | 7.34% | $14.23M | −380,478 | 0.86% |
| Topline Capital Management, LLC | 3,373,842 | 7.31% | $14.17M | −141,069 | 3.67% |
| BlackRock, Inc. | 2,628,352 | 5.69% | $11.04M | +256,526 | 0.00% |
| Vanguard Capital Management LLC | 1,818,121 | 3.94% | $7.64M | +131,897 | 0.00% |
| Geode Capital Management, LLC | 1,128,096 | 2.44% | $4.74M | +76,888 | 0.00% |
| Simcoe Capital LLC | 827,393 | 1.79% | $3.48M | +16,146 | 2.12% |
| Meros Investment Management, LP | 759,664 | 1.65% | $3.19M | −787 | 1.01% |
| Lionhunter Capital Management, LLC | 693,139 | 1.50% | $2.91M | New | 1.31% |
| State Street Corp | 646,572 | 1.40% | $2.72M | −2,657 | 0.00% |
| Archon Capital Management LLC | 642,923 | 1.39% | $2.70M | – | 1.10% |
| Hrt Financial LP | 353,172 | 0.76% | $1.48M | New | 0.00% |
| Northern Trust Corp | 347,173 | 0.75% | $1.46M | +24,921 | 0.00% |
| Vanguard Fiduciary Trust Co | 326,097 | 0.71% | $1.37M | +19,644 | 0.00% |
| Morgan Stanley | 322,959 | 0.70% | $1.36M | −46,067 | 0.00% |
| Vanguard Portfolio Management LLC | 309,833 | 0.67% | $1.30M | +54,378 | 0.00% |
| White Pine Capital LLC | 284,103 | 0.62% | $1.19M | −119,389 | 0.28% |
| Russell Investments Group, Ltd. | 269,586 | 0.58% | $1.13M | −153,833 | 0.00% |
| Qube Research & Technologies Ltd | 199,939 | 0.43% | $839.74K | +20,925 | 0.00% |
| Albion Financial Group /Ut | 186,374 | 0.40% | $782.77K | −30,000 | 0.05% |
| Renaissance Technologies LLC | 164,900 | 0.36% | $692.58K | +119,000 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 85 | 21M | 44.5% | 12 / 31 | 25 / 17 | 2M | 3M |
| Q1 2026 | 91 | 21M | 45.5% | 19 / 30 | 23 / 11 | 4M | 1M |
| Q4 2025 | 84 | 21M | 45.3% | 16 / 27 | 22 / 8 | 2M | 2M |
| Q3 2025 | 76 | 20M | 43.6% | 7 / 27 | 17 / 10 | 2M | 1M |
| Q2 2025 | 79 | 19M | 42.0% | 23 / 20 | 19 / 22 | 5M | 3M |
| Q1 2025 | 79 | 17M | 37.8% | 20 / 28 | 13 / 5 | 3M | 2M |
| Q4 2024 | 64 | 17M | 37.2% | 14 / 17 | 17 / 3 | 5M | 1M |
| Q3 2024 | 54 | 13M | 27.7% | 5 / 11 | 24 / 15 | 1M | 3M |
| Q2 2024 | 65 | 14M | 31.1% | 22 / 10 | 23 / 16 | 2M | 7M |
| Q1 2024 | 59 | 19M | 41.3% | 7 / 20 | 18 / 6 | 1M | 1M |
| Q4 2023 | 58 | 19M | 40.4% | 7 / 19 | 15 / 4 | 1M | 0M |
| Q3 2023 | 55 | 18M | 39.0% | 5 / 17 | 13 / 12 | 1M | 1M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
77 funds held KRMD in Q2 2026, 68% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of KRMD | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 1,254,742 | 2.72% | $5.27M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 1,140,548 | 2.47% | $4.79M | 0.01% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 520,942 | 1.13% | $2.19M | 0.00% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 488,221 | 1.06% | $2.01M | 0.01% | Jul 31, 2026 |
| iShares Russell 2000 Growth ETF | 423,433 | 0.92% | $1.78M | 0.01% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 241,876 | 0.52% | $982.02K | 0.00% | May 31, 2026 |
| Vanguard Russell 2000 Index Fund | 222,972 | 0.48% | $905.27K | 0.01% | May 31, 2026 |
| iShares Micro-Cap ETF | 151,633 | 0.33% | $636.86K | 0.04% | Jun 30, 2026 |
| SIMT Tax-Managed Small/Mid Cap Fund | 129,708 | 0.28% | $544.77K | 0.07% | Jun 30, 2026 |
| Schwab Small-Cap Index Fund | 113,897 | 0.25% | $468.12K | 0.01% | Jul 31, 2026 |
| Fidelity Total Market Index Fund | 83,808 | 0.18% | $340.26K | 0.00% | May 31, 2026 |
| Master Small Cap Index Series | 73,581 | 0.16% | $309.04K | 0.01% | Jun 30, 2026 |
| Fidelity Series Total Market Index Fund | 70,974 | 0.15% | $288.15K | 0.00% | May 31, 2026 |
| Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF | 65,630 | 0.14% | $266.46K | 0.03% | May 31, 2026 |
| Acuitas US Microcap Fund | 56,139 | 0.12% | $235.78K | 0.20% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Linda M. Tharby | Chief Executive Officer, Director | 620,622 | 1.34% | May 20, 2026 |
| Adam R. Kalbermatten | Chief Commercial Officer | 394,017 | 0.85% | Sep 9, 2026 |
| Eric Schiller | Chief Technology Officer | 5,000 | 0.01% | May 20, 2026 |
| Christopher Pazdan | Chief Operating Officer | 308,988 | 0.67% | May 18, 2026 |
| Thomas Edward Adams | Chief Financial Officer | 307,688 | 0.67% | May 18, 2026 |
| Kenneth E. Miller | Chief Commercial Officer | 5,893 | 0.01% | Mar 21, 2025 |
| Shahriar Matin | Director | 106,263 | 0.23% | Oct 1, 2026 |
| Donna French | Director | 103,633 | 0.22% | Oct 1, 2026 |
| R. John Fletcher | Director | 239,836 | 0.52% | Oct 1, 2026 |
| Robert Cascella | Director | 103,274 | 0.22% | Oct 1, 2026 |
| Joseph M. Manko Jr. | Director, 10% owner | 5,857,207 | 12.69% | Oct 1, 2026 |
| Edward Wholihan | Director | 56,431 | 0.12% | Oct 1, 2026 |
| Horton Capital Partners Fund, L.P. | 10% owner | 6,380,430 | 13.82% | Oct 1, 2026 |
| Horton Capital Management, LLC | 10% owner | 6,347,535 | 13.75% | Oct 1, 2026 |
| Horton Capital Partners, LLC | 10% owner | 5,852,088 | 12.67% | Oct 1, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Edward Wholihan Director | Oct 1, 2026 | Award | +5,119 | $2.93 | $15.00K | 56,431 |
| Shahriar Matin Director | Oct 1, 2026 | Award | +5,119 | $2.93 | $15.00K | 106,263 |
| Donna French Director | Oct 1, 2026 | Award | +5,119 | $2.93 | $15.00K | 103,633 |
| R. John Fletcher Director | Oct 1, 2026 | Award | +7,679 | $2.93 | $22.50K | 239,836 |
| Robert Cascella Director | Oct 1, 2026 | Award | +5,119 | $2.93 | $15.00K | 103,274 |
| Joseph M. Manko Jr. Director, 10% owner | Sep 30, 2026 | Award | +5,119 | – | – | 5,074,660 |
| Adam R. Kalbermatten Chief Commercial Officer | Sep 8, 2026 | Buy | +32,000 | $3.16 | $101.12K | 394,017 |
| Adam R. Kalbermatten Chief Commercial Officer | Jul 28, 2026 | Tax withholding | −25,483 | $4.26 | $108.56K | 362,017 |
| Adam R. Kalbermatten Chief Commercial Officer | Jul 28, 2026 | Option exercise | +75,000 | – | – | 387,500 |
| Robert Cascella Director | Jul 1, 2026 | Award | +3,571 | $4.20 | $15.00K | 98,155 |
| Donna French Director | Jul 1, 2026 | Award | +3,571 | $4.20 | $15.00K | 98,514 |
| Shahriar Matin Director | Jul 1, 2026 | Award | +3,571 | $4.20 | $15.00K | 101,144 |
| Edward Wholihan Director | Jul 1, 2026 | Award | +3,571 | $4.20 | $15.00K | 51,312 |
| R. John Fletcher Director | Jul 1, 2026 | Award | +5,357 | $4.20 | $22.50K | 232,157 |
| Horton Capital Partners, LLC 10% owner | Jun 30, 2026 | Award | +3,571 | – | – | 5,069,541 |
| Adam R. Kalbermatten President-Chief Commercial Off | Jun 11, 2026 | Buy | +5,000 | $3.96 | $19.80K | 305,000 |
| Adam R. Kalbermatten President-Chief Commercial Off | Jun 11, 2026 | Buy | +7,500 | $3.93 | $29.48K | 312,500 |
| Eric Schiller Chief Technology Officer | May 18, 2026 | Buy | +5,000 | $3.91 | $19.55K | 5,000 |
| Linda M. Tharby Chief Executive Officer, Director | May 15, 2026 | Buy | +1,191 | $1191.00 | $1.42M | 620,622 |
| Linda M. Tharby Chief Executive Officer, Director | May 15, 2026 | Buy | +1,191 | $3.92 | $4.67K | 620,622 |
| Linda M. Tharby Chief Executive Officer, Director | May 14, 2026 | Tax withholding | −7,326 | $3.94 | $28.86K | 619,431 |
| Linda M. Tharby Chief Executive Officer, Director | May 14, 2026 | Option exercise | +13,977 | – | – | 626,757 |
| Christopher Pazdan Chief Operating Officer | May 14, 2026 | Tax withholding | −1,470 | $3.94 | $5.79K | 308,988 |
| Christopher Pazdan Chief Operating Officer | May 14, 2026 | Option exercise | +5,327 | – | – | 310,458 |
| Thomas Edward Adams Chief Financial Officer | May 14, 2026 | Buy | +5,041 | $3.86 | $19.46K | 307,688 |
| Thomas Edward Adams Chief Financial Officer | May 14, 2026 | Buy | +459 | $3.90 | $1.79K | 308,147 |
| Thomas Edward Adams Chief Financial Officer | May 14, 2026 | Tax withholding | −2,900 | $3.94 | $11.43K | 313,440 |
| Thomas Edward Adams Chief Financial Officer | May 14, 2026 | Option exercise | +8,193 | – | – | 316,340 |
| Christopher Pazdan Chief Operating Officer | May 14, 2026 | Buy | +5,000 | $3.88 | $19.40K | 305,131 |
| Donna French Director | Apr 1, 2026 | Award | +3,472 | $4.32 | $15.00K | 94,943 |
| Edward Wholihan Director | Apr 1, 2026 | Award | +3,472 | $4.32 | $15.00K | 47,741 |
| Robert Cascella Director | Apr 1, 2026 | Award | +3,472 | $4.32 | $15.00K | 94,584 |
| Shahriar Matin Director | Apr 1, 2026 | Award | +3,472 | $4.32 | $15.00K | 97,573 |
| R. John Fletcher Director | Apr 1, 2026 | Award | +5,208 | $4.32 | $22.50K | 226,800 |
| Horton Capital Partners, LLC 10% owner | Mar 31, 2026 | Award | +3,472 | – | – | 5,065,970 |
| Horton Capital Partners, LLC 10% owner | Mar 31, 2026 | Award | +3,472 | – | – | 5,065,970 |
| Linda M. Tharby Chief Executive Officer, Director | Mar 16, 2026 | Tax withholding | −5,756 | $4.28 | $24.64K | 10,212 |
| Linda M. Tharby Chief Executive Officer, Director | Mar 16, 2026 | Option exercise | +15,968 | – | – | 15,968 |
| Christopher Pazdan Chief Operating Officer | Mar 16, 2026 | Tax withholding | −1,628 | $4.28 | $6.97K | 3,436 |
| Christopher Pazdan Chief Operating Officer | Mar 16, 2026 | Option exercise | +5,064 | – | – | 5,064 |
| Thomas Edward Adams Chief Financial Officer | Mar 16, 2026 | Option exercise | +5,404 | – | – | 5,404 |
| Thomas Edward Adams Chief Financial Officer | Mar 16, 2026 | Tax withholding | −2,123 | $4.28 | $9.09K | 3,281 |
| Horton Capital Partners, LLC 10% owner | Feb 13, 2026 | Other | −750,000 | – | – | 0 |
| Horton Capital Partners, LLC 10% owner | Feb 13, 2026 | Other | −770,418 | – | – | 5,062,498 |
| Horton Capital Partners, LLC 10% owner | Feb 13, 2026 | Other | +282,347 | – | – | 782,547 |
| Horton Capital Partners, LLC 10% owner | Feb 13, 2026 | Other | +750,000 | – | – | 750,000 |
| Eric Schiller Chief Technology Officer | Jan 2, 2026 | Award | +76,426 | – | – | 76,426 |
| Robert Cascella Director | Jan 2, 2026 | Award | +2,581 | $5.81 | $15.00K | 91,112 |
| Edward Wholihan Director | Jan 2, 2026 | Award | +2,581 | $5.81 | $15.00K | 44,269 |
| R. John Fletcher Director | Jan 2, 2026 | Award | +3,872 | $5.81 | $22.50K | 221,592 |
| Shahriar Matin Director | Jan 2, 2026 | Award | +2,581 | $5.81 | $15.00K | 94,101 |
| Donna French Director | Jan 2, 2026 | Award | +2,581 | $5.81 | $15.00K | 91,471 |
| Joseph M. Manko Jr. Director, 10% owner | Dec 31, 2025 | Gift | −17,000 | – | – | 500,200 |
| Joseph M. Manko Jr. Director, 10% owner | Dec 31, 2025 | Award | +2,581 | – | – | 5,833 |
| Horton Capital Management, LLC 10% owner | Nov 26, 2025 | Other | −41,000 | – | – | 5,830,335 |
| Linda M. Tharby President and CEO, Director | Oct 16, 2025 | Award | +29,463 | $4.08 | $120.21K | 1,052,626 |
| Donna French Director | Oct 2, 2025 | Award | +3,916 | $3.83 | $15.00K | 88,890 |
| R. John Fletcher Director | Oct 2, 2025 | Award | +5,874 | $3.83 | $22.50K | 217,720 |
| Shahriar Matin Director | Oct 2, 2025 | Award | +3,916 | $3.83 | $15.00K | 91,520 |
| Edward Wholihan Director | Oct 2, 2025 | Award | +3,916 | $3.83 | $15.00K | 41,688 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
2.26%
1M shares short
Days to cover
6.5
At 0M shares a day
Change since last report
-3.0%
From 1M shares
Short volume, 20 days
43.4%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of KORU Medical Systems's stock actually held short. Settlement fails (shares not delivered on time) peaked at 96,411 shares on Sep 17, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Adam R. Kalbermatten Officer | Aug 3, 2026 | 25,483 | $108.63K | Aug 3, 2026 | Restricted Stock Award |
| Linda M. Tharby Officer | May 14, 2026 | 7,326 | $28.92K | May 14, 2026 | Restricted Stock Units |
| Linda M. Tharby Officer | Apr 21, 2025 | 23,587 | $51.96K | Apr 21, 2025 | Restricted Stock Awards |
| Christopher Pazdan Officer | Mar 19, 2025 | 14,490 | $41.16K | Mar 19, 2025 | Restricted Stock Units |
| Linda M. Tharby Officer | Mar 19, 2025 | 29,813 | $84.50K | Mar 19, 2025 | Restricted Stock Awards |
| Linda M. Tharby Officer | Mar 17, 2025 | 8,848 | $25.55K | Mar 17, 2025 | Restricted Stock Units |
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