Security key
416906105
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 4,518,092
- Total 13F shares
- 17,459,075
- Share change
- +1,084,331
- Total reported value
- $11,675,566
- Price per share
- $0.67
- Number of holders
- 61
- Value change
- +$1,458,758
- Number of buys
- 30
- Number of sells
- 23
Report period
Q4 2025
Institutions
61
Top holders
10
HBIO full security history
Newer quarter: Q1 2026
Previous quarter: Q3 2025
HARVARD BIOSCIENCE INC SEC filings
HARVARD BIOSCIENCE INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 416906105
Recent filing periods:
Top shareholders of HBIO - HARVARD BIOSCIENCE INC - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: 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.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| William Snider |
13D/G
|
— |
16%
|
846,000
|
$507,600 | $0 | 17 Dec 2025 | |
| Leviticus Partners LP |
13D/G
|
— |
7.6%
|
3,401,601
|
$2,006,945 | +$30,445 | 31 Dec 2025 | |
| WEBER CAPITAL MANAGEMENT LLC /ADV |
13D/G
|
Weber Capital Management, LLC |
7.3%
|
3,200,380
|
$1,216,144 | +$259,711 | 31 Mar 2025 | |
| Harvey Partners, LLC |
13F
13D/G
|
Company |
5%
from 13D/G
|
2,050,000
|
$898,925 | — | 30 Sep 2025 | |
| BlackRock, Inc. |
13D/G
13F
|
Company |
2.5%
|
1,113,926
|
$494,360 | $0 | 30 Jun 2025 | |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. |
13D/G
|
— |
0.1%
|
25,586
|
$9,723 | $0 | 31 Mar 2025 | |
| James W. Green |
3/4/5
|
Director |
54%
|
2,452,566
|
$1,226,283 | — | 15 Aug 2025 | |
| Katherine A. Eade |
3/4/5
|
Director |
9.3%
|
421,126
|
$186,895 | — | 16 Jul 2025 | |
| Robert E. Gagnon |
3/4/5
|
Director |
2.4%
|
110,000
|
$48,818 | — | 16 Jul 2025 | |
| Seth Benjamin Benson |
3/4/5
|
Director |
2.4%
|
110,000
|
$48,818 | — | 16 Jul 2025 | |
| AMH Equity Ltd |
13F
|
Company |
90%
|
4,047,535
|
$1,774,844 | — | 30 Sep 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
41%
|
1,851,846
|
$812,960 | — | 30 Sep 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
24%
|
1,069,690
|
$467,000 | — | 30 Sep 2025 | |
| Meros Investment Management, LP |
13F
|
Company |
20%
|
918,259
|
$402,696 | — | 30 Sep 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
19%
|
868,478
|
$380,828 | — | 30 Sep 2025 | |
| Granahan Investment Management, LLC |
13F
|
Company |
13%
|
603,519
|
$264,643 | — | 30 Sep 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
13%
|
571,703
|
$250,692 | — | 30 Sep 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
11%
|
496,144
|
$217,559 | — | 30 Sep 2025 | |
| Acuitas Investments, LLC |
13F
|
Company |
11%
|
491,092
|
$215,344 | — | 30 Sep 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
10%
|
474,157
|
$207,918 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
9.8%
|
441,870
|
$193,808 | — | 30 Sep 2025 | |
| Williams & Novak, LLC |
13F
|
Company |
6.1%
|
275,500
|
$120,807 | — | 30 Sep 2025 | |
| Pasadena Private Wealth, LLC |
13F
|
Company |
5.4%
|
243,911
|
$106,955 | — | 30 Sep 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
5.4%
|
243,156
|
$106,624 | — | 30 Sep 2025 | |
| RBF Capital, LLC |
13F
|
Company |
3.5%
|
160,000
|
$70,160 | — | 30 Sep 2025 | |
| STATE STREET CORP |
13F
|
Company |
3.3%
|
149,352
|
$65,491 | — | 30 Sep 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
3.2%
|
145,173
|
$63,658 | — | 30 Sep 2025 | |
| Assenagon Asset Management S.A. |
13F
|
Company |
3.1%
|
139,220
|
$61,048 | — | 30 Sep 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
2.8%
|
126,223
|
$55,349 | — | 30 Sep 2025 | |
| CORSAIR CAPITAL MANAGEMENT, L.P. |
13F
|
Company |
2.2%
|
100,000
|
$43,850 | — | 30 Sep 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
1.9%
|
84,349
|
$36,987 | — | 30 Sep 2025 | |
| FMR LLC |
13F
|
Company |
1%
|
45,593
|
$19,993 | — | 30 Sep 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.9%
|
40,564
|
$17,786 | — | 30 Sep 2025 | |
| GABELLI FUNDS LLC |
13F
|
Company |
0.86%
|
39,000
|
$17,102 | — | 30 Sep 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.82%
|
37,255
|
$16,336 | — | 30 Sep 2025 | |
| Abel Hall, LLC |
13F
|
Company |
0.71%
|
32,206
|
$14,122 | — | 30 Sep 2025 | |
| Callan Family Office, LLC |
13F
|
Company |
0.66%
|
29,844
|
$13,087 | — | 30 Sep 2025 | |
| GREENWOOD CAPITAL ASSOCIATES LLC |
13F
|
Company |
0.61%
|
27,754
|
$12,170 | — | 30 Sep 2025 | |
| BRIGHTON JONES LLC |
13F
|
Company |
0.55%
|
25,007
|
$10,966 | — | 30 Sep 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.37%
|
16,703
|
$7,324 | — | 30 Sep 2025 | |
| Point72 Asia (Singapore) Pte. Ltd. |
13F
|
Company |
0.33%
|
14,697
|
$6,445 | — | 30 Sep 2025 | |
| Legato Capital Management LLC |
13F
|
Company |
0.31%
|
14,005
|
$6,141 | — | 30 Sep 2025 | |
| CERTUITY, LLC |
13F
|
Company |
0.3%
|
13,677
|
$5,997 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
0.29%
|
13,279
|
$5,830 | — | 30 Sep 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.28%
|
12,694
|
$5,566 | — | 30 Sep 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.28%
|
12,500
|
$5,481 | — | 30 Sep 2025 | |
| Ethic Inc. |
13F
|
Company |
0.28%
|
12,439
|
$5,455 | — | 30 Sep 2025 | |
| Balboa Wealth Partners |
13F
|
Company |
0.26%
|
11,750
|
$5,152 | — | 30 Sep 2025 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0.19%
|
8,670
|
$3,802 | — | 30 Sep 2025 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0.19%
|
8,462
|
$3,711 | — | 30 Sep 2025 |
Institutional Holders of HARVARD BIOSCIENCE INC - Common Stock (HBIO) as of Q4 2025
As of 31 Dec 2025,
HARVARD BIOSCIENCE INC - Common Stock (HBIO) was held by
61 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
17,459,075 shares.
The largest 10 holders included
WEBER CAPITAL MANAGEMENT LLC /ADV, VANGUARD GROUP INC, ACADIAN ASSET MANAGEMENT LLC, Meros Investment Management, LP, CORSAIR CAPITAL MANAGEMENT, L.P., RENAISSANCE TECHNOLOGIES LLC, TWO SIGMA INVESTMENTS, LP, TWO SIGMA ADVISERS, LP, BlackRock, Inc., and NANO CAP NEW MILLENNIUM GROWTH FUND L P.
This page lists
61
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
57
Q4 2025 holders
61
Holder diff
4
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.