Biomerica Ownership | Who Owns Biomerica?

Biomerica Ownership Summary

Biomerica is owned by 0.69% institutional investors, 9.74% insiders, and 89.57% retail investors. Granahan investment management is the largest institutional shareholder, holding 3.85% of BMRA shares. M&G (ACS) Granahan US Sm Cp Gr GBPZ1AAcc is the top mutual fund, with 1.34% of its assets in Biomerica shares.

BMRA Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Biomerica	0.69%	9.74%	89.57%
Sector	Healthcare Stocks	279.42%	10.64%	-190.05%
Industry	Medical Device Stocks	32.07%	10.57%	57.35%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Granahan investment management	658.77K	3.85%	$197.70K
Vanguard group	169.01K	0.99%	$50.70K
Blackrock	149.08K	0.89%	$65.57K
Blackrock funding, inc. /de	149.08K	0.87%	$44.74K
Geode capital management	118.50K	0.69%	$35.57K
Two sigma securities	55.20K	0.32%	$16.56K
Goldman sachs group	40.89K	0.24%	$17.98K
State street	37.23K	0.22%	$11.17K
Hrt financial lp	36.65K	0.21%	$10.00K
Susquehanna group, llp	29.42K	0.17%	$8.83K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Granahan investment management	658.77K	0.01%	$197.70K
Two sigma securities	55.20K	0.00%	$16.56K
Newedge advisors	29.10K	0.00%	$8.73K
Hrt financial lp	36.65K	0.00%	$10.00K
Blackrock	149.08K	-	$65.57K
Susquehanna group, llp	29.42K	-	$8.83K
Elequin securities	-	-	-
Advisor group	-	-	-
Bank of america corp /de/	1.48K	-	$650.00
Perritt capital management	-	-	-

Top Buyers

Holder	Shares	% Assets	Change
Granahan investment management	658.77K	0.01%	131.31K
Goldman sachs group	40.89K	-	40.89K
Two sigma securities	55.20K	0.00%	38.25K
Hrt financial lp	36.65K	0.00%	36.65K
Raymond james financial	15.05K	-	15.05K

Top Sellers

Holder	Shares	% Assets	Change
Wasatch advisors lp	-	-	-953.26K
Russell investments group	-	-	-225.44K
Perritt capital management	-	-	-70.00K
Ubs group	23.25K	-	-68.44K
Fore capital	-	-	-59.68K

New Positions

Holder	Shares	% Assets	Change	Value
Goldman sachs group	40.89K	-	40.89K	$17.98K
Raymond james financial	15.05K	-	15.05K	$4.52K

Sold Out

Holder	Change
Jpmorgan chase	-39.00
Qube research	-50.00
Fmr	-50.00
Us bancorp \de\	-50.00
Cornerstone planning group	-200.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	24	9.09%	946,580	-32.70%	-	1.02%	7	-12.50%	7	16.67%
Dec 31, 2024	22	-15.38%	1,406,428	-13.41%	8	8.81%	8	60.00%	6	-50.00%
Sep 30, 2024	26	-21.21%	1,624,300	-27.07%	9	5.51%	5	-50.00%	12	33.33%
Jun 30, 2024	33	-13.16%	2,227,285	-40.60%	13	2.66%	10	-50.00%	9	50.00%
Mar 31, 2024	38	15.15%	3,749,907	0.09%	22	4.49%	20	25.00%	6	-14.29%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
M&G (ACS) Granahan US Sm Cp Gr GBPZ1AAcc	225.29K	1.34%	3.00K
Vanguard Institutional Extnd Mkt Idx Tr	21.13K	0.83%	-
Russell Inv Small Cap Fund B	127.83K	0.76%	-
Russell Inv Small Cap	127.83K	0.70%	-
Victory Small Cap Stock	16.30K	0.64%	-72.63K
Fidelity Extended Market Index	12.05K	0.47%	-
Perritt Ultra MicroCap	70.00K	0.42%	70.00K
JNL Multi-Manager Small Cap Growth A	38.36K	0.19%	-254.94K
Fidelity Series Total Market Index	4.29K	0.17%	-1.28K
Spartan Extended Market Index Pool F	2.52K	0.10%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 24, 2023	Irani Zackary S.	Chief Executive Officer	Buy	$805.00
May 25, 2023	Irani Zackary S.	Chief Executive Officer	Buy	$310.00
May 12, 2023	Irani Zackary S.	Chief Executive Officer	Buy	$1.99K
May 10, 2023	Irani Zackary S.	Chief Executive Officer	Buy	$635.00
May 09, 2023	Irani Zackary S.	Chief Executive Officer	Buy	$417.00

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	-	-
2024 Q4	-	-
2024 Q2	-	-
2023 Q4	-	-
2023 Q3	-	-

BMRA Ownership FAQ

Who Owns Biomerica?

Biomerica shareholders are primarily institutional investors at 0.69%, followed by 9.74% insiders and 89.57% retail investors. The average institutional ownership in Biomerica's industry, Medical Device Stocks, is 32.07%, which Biomerica falls below.

Who owns the most shares of Biomerica?

Biomerica’s largest shareholders are Granahan investment management (658.77K shares, 3.85%), Vanguard group (169.01K shares, 0.99%), and Blackrock (149.08K shares, 0.89%). Together, they hold 5.72% of Biomerica’s total shares outstanding.

Does Blackrock own Biomerica?

Yes, BlackRock owns 0.89% of Biomerica, totaling 149.08K shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 65.57K$. In the last quarter, BlackRock decreased its holdings by 0 shares, a 0% change.

Who is Biomerica’s biggest shareholder by percentage of total assets invested?

Granahan investment management is Biomerica’s biggest shareholder by percentage of total assets invested, with 0.01% of its assets in 658.77K Biomerica shares, valued at 197.7K$.

Who is the top mutual fund holder of Biomerica shares?

M&G (ACS) Granahan US Sm Cp Gr GBPZ1AAcc is the top mutual fund holder of Biomerica shares, with 1.34% of its total shares outstanding invested in 225.29K Biomerica shares.

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