Security key
416906105
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 26,562,238
- Total 13F value
- $82,344,380
- Share change
- +5,971,439
- SEC-reported price per share
- $3.10
- Number of holders
- 85
- Value change
- +$19,093,143
- Number of buys
- 61
- Number of sells
- 17
- Shares outstanding
- 4,519,231
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2020
Institutions
85
Top holders
10
HBIO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
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
Engine Capital Management...
Disclosed value leader
Engine Capital Management...
Comparable rows
0/15
Latest evidence
31 Mar 2020
13F
Highest disclosed value: $10,768,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Engine Capital Management, LP has the largest disclosed position value at $10.77M.
0 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 Engine Capital Management, LP's linked filing trail.
Disclosed position value
Top 5
Engine Capital Management, LP
$10.77M
DIMENSIONAL FUND ADVISORS LP
$4.77M
VANGUARD GROUP INC
$4.43M
Granahan Investment Management, LLC
$4.08M
Harvey Partners, LLC
$3.78M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Engine Capital Management, LP |
13F
Company
|
—
denominator unverified
|
$10,768,000
3,828,907 shares
|
— | 31 Mar 2020 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$4,769,000
2,157,966 shares
|
— | 31 Mar 2020 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$4,426,000
2,002,703 shares
|
— | 31 Mar 2020 |
| Granahan Investment Management, LLC |
13F
Company
|
—
denominator unverified
|
$4,080,000
1,846,148 shares
|
— | 31 Mar 2020 |
| Harvey Partners, LLC |
13F
Company
|
—
denominator unverified
|
$3,776,000
1,708,466 shares
|
— | 31 Mar 2020 |
| ROYCE & ASSOCIATES LP |
13F
Company
|
—
denominator unverified
|
$3,715,000
1,681,000 shares
|
— | 31 Mar 2020 |
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 Q2 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
85
Shares
26,562,238
Rows available
85
| 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 Q2 2020 vs Q1 2020 Across Filers
Q1 2020 holders
57
Q2 2020 holders
85
Holder diff
28
| Investor | Q1 2020 Shares | Q2 2020 Shares | Share Diff | Share Chg % | Q1 2020 value | Q2 2020 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend