What does CUSIP 416906105 represent in this 13F holders report?

CUSIP 416906105 is the security identifier for HBIO - HARVARD BIOSCIENCE INC - Common Stock used to aggregate holder disclosures.

How many institutions held HBIO - HARVARD BIOSCIENCE INC - Common Stock in Q4 2025?

61 institutional investors reported HBIO - HARVARD BIOSCIENCE INC - Common Stock for Q4 2025. Use the holders table for investor-level position and value details.

HARVARD BIOSCIENCE INC - Common Stock (HBIO)

CUSIP: 416906105

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Common Stock
Total 13F shares: 17,459,075
Total 13F value: $11,675,566
Share change: +1,084,331
SEC-reported price per share: $0.67
Number of holders: 61
Value change: +$1,458,758
Number of buys: 30
Number of sells: 23
Shares outstanding: 4,518,092

Security key

416906105

Report period

Q4 2025

Institutions

Top holders

HBIO full security history Ownership snapshot Full 13F holder table HARVARD BIOSCIENCE INC SEC filings HARVARD BIOSCIENCE INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of HBIO - HARVARD BIOSCIENCE INC - Common Stock (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

William Snider

Disclosed value leader

Leviticus Partners LP

Comparable rows

15/15

Latest evidence

31 Dec 2025

13D/G 13F 3/4/5 Lead comparable stake: 16% 13D/G row: William Snider Showing 1-6 of 15 holder rows.

Quick read

William Snider leads the comparable SEC ownership view at 16%.

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 William Snider's linked filing trail.

Comparable ownership Top 5

William Snider 16%

Leviticus Partners LP 7.6%

WEBER CAPITAL MANAGEMENT LLC /ADV 7.3%

Harvey Partners, LLC 5%

BlackRock, Inc. 2.5%

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
William Snider	13D/G 13D/G	16%	$507,600 846,000 shares	$0	17 Dec 2025
Leviticus Partners LP	13D/G 13D/G	7.6%	$2,006,945 3,401,601 shares	+$30,445	31 Dec 2025
WEBER CAPITAL MANAGEMENT LLC /ADV	13D/G Weber Capital Management, LLC 13D/G	7.3%	$1,216,144 3,200,380 shares	+$259,711	31 Mar 2025
Harvey Partners, LLC	13F 13D/G Company 13F 13D/G	5% from 13D/G	$898,925 2,050,000 shares	—	30 Sep 2025
BlackRock, Inc.	13D/G 13F Company 13D/G 13F	2.5%	$494,360 1,113,926 shares	$0	30 Jun 2025
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.	13D/G 13D/G	0.1%	$9,723 25,586 shares	$0	31 Mar 2025

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 Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

17,459,075

Rows available

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 Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

Q4 2025 holders

Holder diff

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %