Security key
416906105
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 16,625,345
- Total 13F value
- $7,288,735
- Share change
- -2,284,113
- Put/Call ratio
- 0%
- SEC-reported price per share
- $0.44
- Number of holders
- 57
- Value change
- -$1,003,804
- Number of buys
- 14
- Number of sells
- 39
- Shares outstanding
- 4,518,092
Holder snapshot
7 signals
Open 1 more signal
Security identity
Who this page is about.
1 source field
Report period
Q3 2025
Institutions
57
Top holders
10
HBIO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
HARVARD BIOSCIENCE INC SEC filings
HARVARD BIOSCIENCE INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 416906105
Recent filing periods:
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
WEBER CAPITAL MANAGEMENT ...
Disclosed value leader
AMH Equity Ltd
Comparable rows
15/15
Latest evidence
15 Aug 2025
13D/G
13F
3/4/5
Lead comparable stake: 7.3%
13D/G row: WEBER CAPITAL MANAGEMENT LLC /ADV
Showing 1-6 of 15 holder rows.
Quick read
WEBER CAPITAL MANAGEMENT LLC /ADV leads the comparable SEC ownership view at 7.3%.
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 WEBER CAPITAL MANAGEMENT LLC /ADV's linked filing trail.
Comparable ownership
Top 5
WEBER CAPITAL MANAGEMENT LLC /ADV
7.3%
Harvey Partners, LLC
5%
BlackRock, Inc.
2.5%
PUNCH & ASSOCIATES INVESTMENT MAN...
0.1%
James W. Green
54%
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 |
|---|---|---|---|---|---|
| WEBER CAPITAL MANAGEMENT LLC /ADV |
13D/G
Weber Capital Management, LLC
|
7.3%
|
$1,216,144
3,200,380 shares
|
+$259,711 | 31 Mar 2025 |
| Harvey Partners, LLC |
13F
13D/G
Company
|
5%
from 13D/G
|
$950,220
2,141,099 shares
|
— | 30 Jun 2025 |
| BlackRock, Inc. |
13F
13D/G
Company
|
2.5%
from 13D/G
|
$494,648
1,114,575 shares
|
— | 30 Jun 2025 |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. |
13D/G
|
0.1%
|
$9,723
25,586 shares
|
$0 | 31 Mar 2025 |
| James W. Green |
3/4/5
Director
|
54%
|
$1,226,283
2,452,566 shares
|
— | 15 Aug 2025 |
| Katherine A. Eade |
3/4/5
Director
|
9.3%
|
$186,895
421,126 shares
|
— | 16 Jul 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 Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
57
Shares
16,625,345
Rows available
57
| 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 2025 vs Q2 2025 Across Filers
Q2 2025 holders
63
Q3 2025 holders
57
Holder diff
-6
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend