Harvard Bioscience Ownership | Who Owns Harvard Bioscience?

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Harvard Bioscience Ownership Summary

Harvard Bioscience is owned by 42.68% institutional investors, 10.95% insiders, and 46.37% retail investors. Amh equity is the largest institutional shareholder, holding 7.92% of HBIO shares. Harvey Partners Small-Cap Opportunity is the top mutual fund, with 4.42% of its assets in Harvard Bioscience shares.

HBIO Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Harvard Bioscience	42.68%	10.95%	46.37%
Sector	Healthcare Stocks	486.50%	11.08%	-397.59%
Industry	Medical Instruments & Supplies Stocks	56.90%	14.82%	28.28%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Amh equity	3.51M	7.92%	$1.56M
Blackrock	2.84M	6.55%	$8.10M
Vanguard group	2.16M	4.95%	$4.55M
Harvey partners	2.14M	4.83%	$950.22K
Dimensional fund advisors lp	1.67M	3.82%	$3.51M
Granahan investment management	1.50M	3.39%	$666.37K
Blackrock funding, inc. /de	1.11M	2.52%	$494.65K
Acadian asset management	1.04M	2.35%	$459.00K
Geode capital management	919.07K	2.11%	$1.94M
Meros investment management, lp	813.71K	1.87%	$1.72M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Amh equity	3.51M	2.05%	$1.56M
Acuitas investments	491.09K	0.85%	$1.04M
Meros investment management, lp	813.71K	0.77%	$1.72M
Harvey partners	2.14M	0.09%	$950.22K
Williams & novak	106.57K	0.04%	$47.30K
Clarivest asset management	114.27K	0.03%	$325.67K
Granahan investment management	1.50M	0.03%	$666.37K
Triton wealth management, p	13.41K	0.03%	$44.26K
Pasadena private wealth	243.91K	0.02%	$108.25K
Abel hall	37.33K	0.01%	$16.57K

Top Buyers

Holder	Shares	% Assets	Change
Marshall wace, llp	138.70K	0.00%	138.70K
Amh equity	3.51M	2.05%	121.35K
Qube research	51.20K	-	51.20K
Pasadena private wealth	243.91K	0.02%	45.87K
Hrt financial lp	41.46K	0.00%	41.46K

Top Sellers

Holder	Shares	% Assets	Change
Royce & associates lp	-	-	-1.78M
Blackrock funding, inc. /de	1.11M	-	-1.71M
B. riley asset management	-	-	-1.35M
Boothbay fund management	-	-	-1.15M
Heartland advisors	-	-	-1.11M

New Positions

Holder	Shares	% Assets	Change	Value
Marshall wace, llp	138.70K	0.00%	138.70K	$61.03K
Qube research	51.20K	-	51.20K	$22.72K
Hrt financial lp	41.46K	0.00%	41.46K	$18.00K
Abel hall	37.33K	0.01%	37.33K	$16.57K
Susquehanna group, llp	35.46K	-	35.46K	$74.81K

Sold Out

Holder	Change
Ifp advisors	-15.00
Capital performance advisors llp	-41.00
True wealth design	-56.00
Ronald blue trust	-78.00
Smartleaf asset management	-174.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	65	-27.78%	18,909,639	-26.25%	42	1.26%	33	10.00%	25	-34.21%
Mar 31, 2025	2	-97.89%	3,715,394	-87.95%	8	0.17%	-	-100.00%	2	-91.67%
Dec 31, 2024	45	-52.63%	15,332,661	-50.99%	35	0.68%	26	-42.22%	8	-70.37%
Sep 30, 2024	95	-5.94%	30,343,546	-4.61%	69	1.30%	45	-26.23%	28	7.69%
Jun 30, 2024	101	12.22%	31,809,122	-2.15%	73	1.31%	61	79.41%	26	-35.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Harvey Partners Small-Cap Opportunity	1.97M	4.42%	-52.56K
Vanguard US Total Market Shares ETF	1.26M	2.86%	-
Vanguard Total Stock Mkt Idx Inv	1.23M	2.77%	-26.99K
Heartland Value Investor	937.14K	2.12%	-171.43K
Royce Micro-Cap Trust Inc	860.63K	1.95%	-11.42K
Royce Micro Cap Trust	860.63K	1.95%	-11.42K
Acuitas US Microcap Strategy	682.85K	1.57%	-
Royce Micro-Cap Invmt	638.54K	1.44%	-8.48K
Granahan SC Advantage	433.80K	0.98%	-20.00K
JNL Multi-Manager Small Cap Growth A	433.80K	0.98%	-20.00K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jun 13, 2024	Green James W	Chief Executive Officer	Buy	$29.10K
Jun 06, 2024	Green James W	Chief Executive Officer	Buy	$61.40K
Aug 17, 2023	Green James W	Chief Executive Officer	Buy	$109.50K
Mar 14, 2023	EDRICK ALAN I	-	Buy	$36.87K
Mar 15, 2023	EDRICK ALAN I	-	Buy	$42.42K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	-
2025 Q2	-	-
2025 Q1	-	-
2024 Q4	-	-
2024 Q2	2	-

HBIO Ownership FAQ

Who Owns Harvard Bioscience?

Harvard Bioscience shareholders are primarily institutional investors at 42.68%, followed by 10.95% insiders and 46.37% retail investors. The average institutional ownership in Harvard Bioscience's industry, Medical Instruments & Supplies Stocks, is 56.90%, which Harvard Bioscience falls below.

Who owns the most shares of Harvard Bioscience?

Harvard Bioscience’s largest shareholders are Amh equity (3.51M shares, 7.92%), Blackrock (2.84M shares, 6.55%), and Vanguard group (2.16M shares, 4.95%). Together, they hold 19.42% of Harvard Bioscience’s total shares outstanding.

Does Blackrock own Harvard Bioscience?

Yes, BlackRock owns 6.55% of Harvard Bioscience, totaling 2.84M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 8.1M$. In the last quarter, BlackRock increased its holdings by 9.99K shares, a 0.35% change.

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

Amh equity is Harvard Bioscience’s biggest shareholder by percentage of total assets invested, with 2.05% of its assets in 3.51M Harvard Bioscience shares, valued at 1.56M$.

Who is the top mutual fund holder of Harvard Bioscience shares?

Harvey Partners Small-Cap Opportunity is the top mutual fund holder of Harvard Bioscience shares, with 4.42% of its total shares outstanding invested in 1.97M Harvard Bioscience shares.

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