BMRANasdaqIn Vitro & In Vivo Diagnostic SubstancesFiscal year ends May 31
BIOMERICA INC
Financials through Q1 FY2027, quarter ended Aug 31, 2026Last filing: 10-Q on Oct 15, 2026
$1.76−0.09 (-4.86%)
Close on Oct 19, 2026
- Market cap
- $5.80M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
2.7%
0M of 5M shares
Institutional holders
20
9 new, 0 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
5 buys · 0 sales
Net bought $158.00K
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 |
|---|---|---|---|---|
| BRC Group Holdings, Inc. | 460,080 | 10.03% | 13D (active) | Aug 25, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of BMRA | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Hrt Financial LP | 26,374 | 0.57% | $46 | New | 0.00% |
| Geode Capital Management, LLC | 24,347 | 0.53% | $42.86K | −31,695 | 0.00% |
| BlackRock, Inc. | 18,636 | 0.41% | $32.80K | – | 0.00% |
| Vanguard Capital Management LLC | 14,514 | 0.32% | $25.55K | – | 0.00% |
| Jane Street Group, LLC | 12,640 | 0.27% | $22.25K | New | 0.00% |
| LPL Financial LLC | 10,849 | 0.24% | $19.09K | – | 0.00% |
| UBS Group AG | 6,951 | 0.15% | $12.23K | +6,432 | 0.00% |
| Vanguard Fiduciary Trust Co | 6,613 | 0.14% | $11.64K | – | 0.00% |
| NewEdge Advisors, LLC | 3,603 | 0.08% | $6.34K | – | 0.00% |
| Tower Research Capital LLC (TRC) | 238 | 0.01% | $419 | New | 0.00% |
| Hollencrest Capital Management | 200 | 0.00% | $352 | −625 | 0.00% |
| Harbour Investments, Inc. | 125 | 0.00% | $220 | – | 0.00% |
| FMR LLC | 83 | 0.00% | $146 | New | 0.00% |
| IFG Advisory, LLC | 25 | 0.00% | $44 | New | 0.00% |
| Larson Financial Group LLC | 12 | 0.00% | $21 | New | 0.00% |
| Barclays PLC | 6 | 0.00% | $11 | New | 0.00% |
| MCF Advisors LLC | 6 | 0.00% | $11 | – | 0.00% |
| Federation des caisses Desjardins du Quebec | 3 | 0.00% | $5 | New | 0.00% |
| Caitong International Asset Management Co., Ltd | 2 | 0.00% | $4 | New | 0.00% |
| Danske Bank A/S | 1 | 0.00% | $2 | – | 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 | 20 | 0M | 2.7% | 9 / 1 | 2 / 0 | 0M | 0M |
| Q1 2026 | 11 | 0M | 2.4% | 4 / 1 | 2 / 4 | 0M | 0M |
| Q4 2025 | 13 | 0M | 1.9% | 0 / 5 | 1 / 4 | 0M | 0M |
| Q3 2025 | 17 | 0M | 1.9% | 6 / 1 | 3 / 1 | 0M | 0M |
| Q2 2025 | 12 | 0M | 1.5% | 10 / 0 | 1 / 0 | 0M | 0M |
| Q1 2025 | 2 | 0M | 0.0% | 2 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of BMRA | Value | % of fund | As of |
|---|---|---|---|---|---|
| Fidelity Extended Market Index Fund | 42,943 | 0.93% | $104.35K | 0.00% | May 31, 2026 |
| Vanguard Extended Market Index Fund | 14,514 | 0.32% | $25.54K | 0.00% | Jun 30, 2026 |
| Fidelity Series Total Market Index Fund | 3,489 | 0.08% | $8.48K | 0.00% | May 31, 2026 |
| Fidelity Total Market Index Fund | 1,719 | 0.04% | $4.18K | 0.00% | May 31, 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 |
|---|---|---|---|---|
| Zackary S. Irani | Chief Executive Officer, Director | 242,570 | 5.27% | Aug 27, 2026 |
| Allen Barbieri | Executive Vice Chairman, Director | 73,542 | 1.60% | Aug 27, 2026 |
| Xiaoxuan Qu | See Remarks | – | – | Sep 8, 2026 |
| Gary Lu | Chief Financial Officer | 59,375 | 1.29% | Dec 31, 2025 |
| Eric Chin | Director | 38,750 | 0.84% | Aug 27, 2026 |
| M. Huff Gary | Director | 51,250 | 1.11% | Aug 27, 2026 |
| David Moatazedi | Director | 40,625 | 0.88% | Aug 27, 2026 |
| Jane Emerson | Director | 156,000 | 3.39% | Dec 17, 2024 |
| Catherine Coste | Director | 137,890 | 3.00% | Dec 17, 2024 |
| Bryant R. Riley | 10% owner | – | – | Sep 10, 2026 |
| B. RILEY Principal Capital, LLC | 10% owner | – | – | Sep 10, 2026 |
| BRC Group Holdings, Inc. | 10% owner | 460,080 | 10.00% | Sep 10, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Zackary S. Irani Chief Executive Officer, Director | Aug 26, 2026 | Buy | +31,250 | $1.60 | $50.00K | 242,570 |
| David Moatazedi Director | Aug 26, 2026 | Buy | +10,000 | $1.60 | $16.00K | 40,625 |
| Allen Barbieri Executive Vice Chairman, Director | Aug 26, 2026 | Buy | +20,000 | $1.60 | $32.00K | 73,542 |
| Eric Chin Director | Aug 26, 2026 | Buy | +6,250 | $1.60 | $10.00K | 38,750 |
| M. Huff Gary Director | Aug 20, 2026 | Buy | +31,250 | $1.60 | $50.00K | 51,250 |
| Eric Chin Director | Dec 12, 2025 | Award | +22,500 | – | – | 32,500 |
| David Moatazedi Director | Dec 12, 2025 | Award | +20,000 | – | – | 30,625 |
| Gary Lu Chief Financial Officer | Dec 12, 2025 | Award | +40,000 | – | – | 59,375 |
| Zackary S. Irani Chief Executive Officer, Director | Dec 12, 2025 | Award | +52,500 | – | – | 211,320 |
| M. Huff Gary Director | Dec 12, 2025 | Award | +20,000 | – | – | 20,000 |
| Allen Barbieri Executive Vice-Chairman, Director | Dec 12, 2025 | Award | +30,000 | – | – | 53,543 |
| David Moatazedi Director | Dec 13, 2024 | Award | +85,000 | $0.31 | $26.35K | 85,000 |
| Allen Barbieri Executive Vice Chairman, Director | Dec 13, 2024 | Award | +110,000 | $0.31 | $34.10K | 188,337 |
| Catherine Coste Director | Dec 13, 2024 | Award | +85,000 | $0.31 | $26.35K | 128,790 |
| Gary Lu Chief Financial Officer | Dec 13, 2024 | Award | +155,000 | $0.31 | $48.05K | 155,000 |
| Jane Emerson Director | Dec 13, 2024 | Award | +85,000 | $0.31 | $26.35K | 156,000 |
| Zackary S. Irani Chief Executive Officer, Director | Dec 13, 2024 | Award | +250,000 | $0.31 | $77.50K | 1,270,560 |
| Allen Barbieri Vice Chairman, Director | Jan 2, 2024 | Gift | −15,000 | – | – | 78,337 |
| Allen Barbieri Vice Chairman, Director | Jun 27, 2023 | Gift | −8,000 | – | – | 93,327 |
| Zackary S. Irani Chief Executive Officer, Director | May 25, 2023 | Buy | +200 | $1.55 | $310 | 1,020,560 |
| Zackary S. Irani Chief Executive Officer, Director | May 24, 2023 | Buy | +500 | $1.61 | $805 | 1,020,360 |
| Zackary S. Irani Chief Executive Officer, Director | May 12, 2023 | Buy | +1,700 | $1.17 | $1.99K | 1,019,860 |
| Zackary S. Irani Chief Executive Officer, Director | May 10, 2023 | Buy | +500 | $1.27 | $635 | 1,018,160 |
| Zackary S. Irani Chief Executive Officer, Director | May 9, 2023 | Buy | +300 | $1.39 | $417 | 1,017,660 |
| Zackary S. Irani Chief Executive Officer, Director | May 4, 2023 | Buy | +1,000 | $1.36 | $1.36K | 1,017,360 |
| Zackary S. Irani Chief Executive Officer, Director | Apr 28, 2023 | Buy | +1,800 | $1.34 | $2.41K | 1,017,360 |
| Zackary S. Irani Chief Executive Officer, Director | Apr 27, 2023 | Buy | +2,600 | $1.31 | $3.41K | 1,017,360 |
| Zackary S. Irani Chief Executive Officer, Director | Apr 26, 2023 | Buy | +7,000 | $1.26 | $8.82K | 1,012,960 |
| Allen Barbieri Executive Vice Chairman, Director | Jan 27, 2023 | Buy | +1,538 | $2.94 | $4.52K | 101,327 |
| Catherine Coste Director | Jan 26, 2023 | Buy | +2,190 | $2.96 | $6.48K | 43,790 |
| Zackary S. Irani Chief Executive Officer, Director | Jan 25, 2023 | Buy | +1,800 | $2.85 | $5.13K | 1,005,960 |
| Zackary S. Irani Chief Executive Officer, Director | Jan 24, 2023 | Buy | +2,000 | $2.81 | $5.62K | 1,004,160 |
| Allen Barbieri Vice Chairman, Director | Nov 17, 2022 | Gift | −7,500 | – | – | 101,327 |
| Allen Barbieri Vice Chairman, Director | Dec 20, 2021 | Gift | −7,500 | – | – | 107,289 |
| Allen Barbieri Vice Chairman, Director | Mar 26, 2021 | Gift | −22,500 | – | – | 114,789 |
| Allen Barbieri Vice Chairman, Director | Mar 26, 2021 | Gift | −22,500 | – | – | 114,789 |
| Catherine Coste Director | Oct 26, 2020 | Buy | +9,100 | $5.45 | $49.60K | 9,100 |
| Francis Cano Director | Oct 5, 2020 | Gift | −20,000 | – | – | 146,736 |
| Mark A. Sirgo Director | Apr 21, 2020 | Sale | −5,000 | $8.11 | $40.55K | 8,700 |
| Mark A. Sirgo Director | Apr 17, 2020 | Sale | −1,302 | $8.07 | $10.51K | 16,154 |
| Mark A. Sirgo Director | Apr 17, 2020 | Sale | −68 | $8.09 | $550 | 18,632 |
| Mark A. Sirgo Director | Apr 17, 2020 | Sale | −100 | $8.06 | $806 | 18,532 |
| Mark A. Sirgo Director | Apr 17, 2020 | Sale | −2,454 | $8.08 | $19.83K | 13,700 |
| Mark A. Sirgo Director | Apr 17, 2020 | Sale | −1,076 | $8.05 | $8.66K | 17,456 |
| Allen Barbieri Director | Apr 1, 2020 | Gift | −23,000 | – | – | 137,289 |
| Zackary S. Irani Chief Executive Officer, Director | Feb 28, 2020 | Other | +78,431 | $2.85 | $223.53K | 1,002,160 |
| Janet Moore Chief Financial Officer, Director | Jan 2, 2020 | Gift | −20,000 | – | – | 101,720 |
| Janet Moore Chief Financial Officer, Director | Oct 28, 2019 | Gift | −3,000 | – | – | 121,720 |
| Janet Moore Chief Financial Officer, Director | Apr 23, 2019 | Gift | −16,000 | – | – | 124,720 |
| Zackary S. Irani Chief Executive Officer, Director | Dec 21, 2018 | Other | +2,000 | $1.82 | $3.64K | 922,129 |
| Zackary S. Irani Chief Executive Officer, Director | Dec 21, 2018 | Other | +600 | $2.04 | $1.22K | 923,729 |
| Zackary S. Irani Chief Executive Officer, Director | Dec 21, 2018 | Other | +1,000 | $2.05 | $2.05K | 923,129 |
| Zackary S. Irani Chief Executive Officer, Director | Dec 20, 2018 | Other | +400 | $2.45 | $980 | 920,129 |
| Zackary S. Irani Chief Executive Officer, Director | Dec 19, 2018 | Other | +400 | $2.47 | $988 | 919,329 |
| Zackary S. Irani Chief Executive Officer, Director | Dec 19, 2018 | Other | +400 | $2.45 | $980 | 919,729 |
| Zackary S. Irani Chief Executive Officer, Director | Dec 7, 2018 | Other | +33,390 | $2.70 | $90.15K | 918,929 |
| Francis Cano Director | Oct 26, 2018 | Option exercise | +25,000 | $0.75 | $18.75K | 166,736 |
| Allen Barbieri Director | Oct 19, 2018 | Option exercise | +25,000 | $0.75 | $18.75K | 160,289 |
| Jane Emerson Director | Oct 5, 2018 | Option exercise | +25,000 | $0.75 | $18.75K | 71,000 |
| Zackary S. Irani Chief Executive Officer, Director, 10% owner | May 23, 2018 | Other | +25,000 | $3.73 | $93.25K | 885,539 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.