Security key
416906105
- Security type / class
- Equity / Common Stock
- Shares outstanding
- 4,518,092
- Total 13F shares
- 236,022
- Share change
- -15,299,098
- Total reported value
- $1,149,430
- Reported price per share
- $4.87
- Number of holders
- 2
- Value change
- -$16,875,243
- Number of sells
- 59
Security identity
2 facts
Holder snapshot
7 facts
Report period
Q1 2026
Institutions
2
Top holders
2
HBIO full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 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.
Lead holder
William Snider
13D/G signal
William Snider
Evidence rows
15
Latest as of
20 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 16%
13D/G row: William Snider
Showing 1-6 of 15 holder rows.
Rank 1 holder
William Snider
13D/G
3/4/5
- Ownership
- 16%
- Position
- $507.6K
Rank 2 holder
Leviticus Partners LP
13D/G
- Ownership
- 7.6%
- Position
- $2.01M
Rank 3 holder
WEBER CAPITAL MANAGEMENT LLC /ADV
13F
13D/G
- Ownership
- 7.3%
- Position
- $2.14M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| William Snider |
13D/G
3/4/5
Director
|
16%
|
$507,600
846,000 shares
|
$0 | 17 Dec 2025 |
| Leviticus Partners LP |
13D/G
|
7.6%
|
$2,006,945
3,401,601 shares
|
+$30,445 | 31 Dec 2025 |
| WEBER CAPITAL MANAGEMENT LLC /ADV |
13F
13D/G
Company · Weber Capital Management, LLC
|
7.3%
from 13D/G
|
$2,140,413
3,200,380 shares
|
— | 31 Dec 2025 |
| Harvey Partners, LLC |
13D/G
|
5%
|
$831,250
2,187,500 shares
|
$0 | 31 Mar 2025 |
| BlackRock, Inc. |
13D/G
13F
Company
|
2.5%
|
$494,360
1,113,926 shares
|
$0 | 30 Jun 2025 |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. |
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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
2
Shares
236,022
Rows available
2
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* 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 failed the local validity check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
61
Q1 2026 holders
2
Holder diff
-59
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend