HARVARD BIOSCIENCE INC HBIO
$6.15
+1.7% 52w: $3.80 – $7.90
Latest 13F among current holders filed 26 days ago (Aug 7, 2026)
Price — last 12 months
research preview data3.805.857.90
Aug 18, 2025 Jul 2, 2026
Institutional holders
37
-27 QoQ
13F value
$7.7M
-34.4% QoQ
Smart-money holders
4
signal tier ≥ 2
New smart buyers
3
Q1 2026
Options barometer
10.5×
$112K calls / $11K puts
Institutional value by quarter
Number of holders
Who owns HBIO?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| WEBER CAPITAL MANAGEMENT LLC /ADV ★3 | Fundamental concentrated | 320.0K | $1.6M | — | New |
| ACADIAN ASSET MANAGEMENT LLC | Quant stat arb | 179.6K | $873K | 0.0% | New |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 163.3K | $795K | — | — |
| CORSAIR CAPITAL MANAGEMENT, L.P. ★2 | Fundamental diversified | 124.8K | $608K | 0.1% | New |
| Meros Investment Management, LP ★2 | Fundamental diversified | 118.5K | $577K | — | -90.3% |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | Other | 117.5K | $572K | — | -80.4% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 114.1K | $556K | 0.0% | New |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 101.4K | $494K | — | New |
| BlackRock, Inc. | Index provider | 62.2K | $303K | 0.0% | New |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 59.5K | $290K | — | New |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 46.3K | $226K | 0.0% | New |
| Williams & Novak, LLC | Wealth advisor | 27.1K | $138K | 0.1% | New |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 27.7K | $135K | — | — |
| ESSEX INVESTMENT MANAGEMENT CO LLC | Other | 27.0K | $132K | — | New |
| JANE STREET GROUP, LLC | Market maker | 23.8K | $116K | 0.0% | New |
| RBF Capital, LLC | Other | 16.0K | $78K | 0.0% | New |
| STATE STREET CORP | Index provider | 14.9K | $73K | 0.0% | New |
| Bank of New York Mellon Corp | Diversified mechanical | 10.2K | $50K | 0.0% | New |
| UBS Group AG | Bank broker | 8.4K | $41K | 0.0% | New |
| CITIGROUP INC | Bank broker | 6.3K | $31K | 0.0% | New |
| JPMORGAN CHASE & CO | Bank broker | 4.5K | $21K | 0.0% | New |
| FMR LLC | Long only active | 3.3K | $16K | 0.0% | New |
| GROUP ONE TRADING LLC | Market maker | 2.2K | $11K | — | New |
| MORGAN STANLEY | Bank broker | 1.6K | $8K | 0.0% | New |
| Vanguard Global Advisers, LLC | Diversified mechanical | 1.2K | $6K | — | — |
| Tower Research Capital LLC (TRC) | Market maker | 1.2K | $6K | 0.0% | New |
| SBI Securities Co., Ltd. | Diversified mechanical | 866 | $4K | 0.0% | New |
| ROYAL BANK OF CANADA | Bank broker | 855 | $4K | 0.0% | New |
| Brown Shipley& Co Ltd ★2 | Fundamental diversified | 478 | $2K | — | New |
| NISA INVESTMENT ADVISORS, LLC | Diversified mechanical | 228 | $1K | 0.0% | New |
| PENSION & WEALTH MANAGEMENT ADVISORS, INC. | — | 225 | $1K | 0.0% | -90.0% |
| FEDERATED HERMES, INC. | Diversified mechanical | 73 | $356 | — | New |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 68 | $331 | 0.0% | New |
| PNC FINANCIAL SERVICES GROUP, INC. | Diversified mechanical | 14 | $68 | 0.0% | New |
| SHP Wealth Management | Wealth advisor | 10 | $49 | 0.0% | New |
| CWM, LLC | Wealth advisor | 4 | $19 | 0.0% | New |
| Financial Connections Group, Inc. | Wealth advisor | 30 | $0 | 0.0% | -90.0% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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