Security key
09061H307
BIOMERICA INC - Common Stock, par value $0.08 per share (BMRA)
CUSIP: 09061H307
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / Common Stock, par value $0.08 per share
- Total 13F shares
- 946,580
- Total 13F value
- $536,314
- Share change
- -459,848
- Put/Call ratio
- 33%
- SEC-reported price per share
- $0.57
- Number of holders
- 21
- Value change
- -$244,329
- Number of buys
- 7
- Number of sells
- 10
- Shares outstanding
- 4,587,039
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2025
Institutions
21
Top holders
10
BMRA full security history
Ownership snapshot
Full 13F holder table
BIOMERICA INC SEC filings
BIOMERICA INC company facts
Broader feeds
Ownership snapshot
Top reported holders of BMRA - BIOMERICA INC - Common Stock, par value $0.08 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Granahan Investment Manag...
Disclosed value leader
Granahan Investment Manag...
Comparable rows
15/15
Latest evidence
31 Dec 2024
13F
Lead comparable stake: 14%
Showing 1-6 of 15 holder rows.
Quick read
Granahan Investment Management, LLC leads the comparable SEC ownership view at 14%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Granahan Investment Management, LLC's linked filing trail.
Comparable ownership
Top 5
Granahan Investment Management, LLC
14%
VANGUARD GROUP INC
3.7%
BlackRock, Inc.
3.3%
GEODE CAPITAL MANAGEMENT, LLC
2.6%
TWO SIGMA SECURITIES, LLC
1.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Granahan Investment Management, LLC |
13F
Company
|
14%
|
$197,696
658,767 shares
|
— | 31 Dec 2024 |
| VANGUARD GROUP INC |
13F
Company
|
3.7%
|
$50,703
169,010 shares
|
— | 31 Dec 2024 |
| BlackRock, Inc. |
13F
Company
|
3.3%
|
$44,739
149,081 shares
|
— | 31 Dec 2024 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
2.6%
|
$35,573
118,503 shares
|
— | 31 Dec 2024 |
| TWO SIGMA SECURITIES, LLC |
13F
Company
|
1.2%
|
$16,564
55,195 shares
|
— | 31 Dec 2024 |
| STATE STREET CORP |
13F
Company
|
0.81%
|
$11,173
37,231 shares
|
— | 31 Dec 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
21
Shares
946,580
Rows available
21
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2025 vs Q1 2025 Across Filers
Q1 2025 holders
21
Q1 2025 holders
21
Holder diff
0
| Investor | Q1 2025 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q1 2025 value | Value change | Value Chg % |
|---|