Security key
09061H307
BIOMERICA INC - Common Stock, par value $0.08 per share (BMRA)
CUSIP: 09061H307
Q3 2021 13F Holders as of 30 Sep 2021
- Security type / class
- Equity / Common Stock, par value $0.08 per share
- Total 13F shares
- 2,435,140
- Total 13F value
- $11,038,000
- Share change
- -117,002
- Put/Call ratio
- 19%
- SEC-reported price per share
- $4.50
- Number of holders
- 20
- Value change
- -$453,854
- Number of buys
- 6
- 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
Q3 2021
Institutions
20
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
30 Jun 2021
13F
Lead comparable stake: 22%
Showing 1-6 of 15 holder rows.
Quick read
Granahan Investment Management, LLC leads the comparable SEC ownership view at 22%.
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
22%
VANGUARD GROUP INC
13%
M&G INVESTMENT MANAGEMENT LTD
3.6%
BlackRock Finance, Inc.
3.4%
Fore Capital, LLC
2.9%
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
|
22%
|
$4,124,000
1,028,309 shares
|
— | 30 Jun 2021 |
| VANGUARD GROUP INC |
13F
Company
|
13%
|
$2,331,000
581,110 shares
|
— | 30 Jun 2021 |
| M&G INVESTMENT MANAGEMENT LTD |
13F
Company
|
3.6%
|
$653,000
163,205 shares
|
— | 30 Jun 2021 |
| BlackRock Finance, Inc. |
13F
Company
|
3.4%
|
$633,000
157,720 shares
|
— | 30 Jun 2021 |
| Fore Capital, LLC |
13F
Company
|
2.9%
|
$541,000
135,000 shares
|
— | 30 Jun 2021 |
| GSA CAPITAL PARTNERS LLP |
13F
Company
|
2.3%
|
$419,000
104,580 shares
|
— | 30 Jun 2021 |
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 Q3 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
20
Shares
2,435,140
Rows available
20
| 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 Q3 2021 vs Q2 2021 Across Filers
Q2 2021 holders
25
Q3 2021 holders
20
Holder diff
-5
| Investor | Q2 2021 Shares | Q3 2021 Shares | Share Diff | Share Chg % | Q2 2021 value | Q3 2021 value | Value change | Value Chg % |
|---|