Harvard Bioscience Inc
HBIO- Exchange
- Nasdaq
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001123494
No open-market purchases or sales by Harvard Bioscience Inc insiders were filed in the last 90 days; 37 institutions reported holding it in 13F filings for Q2 2026, worth $10.3M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Harvard Bioscience Inc as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 61
- −8 vs. Q2 2025
- Shares held
- 16.6M
- −2.29M (−12.1%) vs. Q2 2025
- Total value
- $7.29M
- −$1.10M (−13.1%) vs. Q2 2025
- New holders
- 5
- 9 more added
- Sold out
- 13
- 30 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting HBIO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 37 | $10.3M |
| Q1 2026 | 37 | $7.73M |
| Q4 2025 | 64 | $11.7M |
| Q3 2025 | 61 | $7.29M |
| Q2 2025 | 69 | $8.39M |
| Q1 2025 | 92 | $14.5M |
| Q4 2024 | 96 | $65.5M |
| Q3 2024 | 95 | $84.2M |
| Q2 2024 | 100 | $90.7M |
| Q1 2024 | 90 | $137.8M |
| Q4 2023 | 93 | $176.4M |
| Q3 2023 | 94 | $141.6M |
| Q2 2023 | 100 | $178.2M |
| Q1 2023 | 66 | $127.2M |
| Q4 2022 | 68 | $83.3M |
| Q3 2022 | 79 | $74.0M |
| Q2 2022 | 91 | $106.8M |
| Q1 2022 | 98 | $187.3M |
| Q4 2021 | 103 | $211.4M |
| Q3 2021 | 99 | $191.7M |
| Q2 2021 | 99 | $232.3M |
| Q1 2021 | 87 | $144.2M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Harvard Bioscience Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AMH Equity Ltd | 4,047,535 | $1.77M | 2.23% | +538,832+15.4% | Added |
| Harvey Partners, LLC | 2,050,000 | $898.9K | 0.08% | −91,099−4.3% | Reduced |
| Vanguard Group Inc | 1,851,846 | $813.0K | 0.00% | −2,045−0.1% | Reduced |
| Acadian Asset Management LLC | 1,069,690 | $467.0K | 0.00% | +30,465+2.9% | Added |
| Meros Investment Management, LP | 918,259 | $402.7K | 0.17% | −1,686−0.2% | Reduced |
| Renaissance Technologies LLC | 868,478 | $380.8K | 0.00% | +76,500+9.7% | Added |
| BlackRock, Inc. | 621,367 | $272.5K | 0.00% | −493,208−44.3% | Reduced |
| Granahan Investment Management Inc | 603,519 | $264.6K | 0.01% | −897,989−59.8% | Reduced |
| Millennium Management LLC | 571,703 | $250.7K | 0.00% | −68,164−10.7% | Reduced |
| Dimensional Fund Advisors LP | 496,144 | $217.6K | 0.00% | −630,106−55.9% | Reduced |
| Acuitas Investments, LLC | 491,092 | $215.3K | 0.14% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 474,157 | $207.9K | 0.00% | +276,372+139.7% | Added |
| Geode Capital Management, LLC | 441,870 | $193.8K | 0.00% | +1,848+0.4% | Added |
| Williams & Novak, LLC | 275,500 | $120.8K | 0.09% | +168,930+158.5% | Added |
| Pasadena Private Wealth, LLC | 243,911 | $107.0K | 0.02% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 243,156 | $106.6K | 0.00% | +196,305+419.0% | Added |
| RBF Capital, LLC | 160,000 | $70.2K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 149,352 | $65.5K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 145,173 | $63.7K | 0.00% | −43,696−23.1% | Reduced |
| Assenagon Asset Management S.A. | 139,220 | $61.0K | 0.00% | +102,419+278.3% | Added |
| Bank of New York Mellon Corp | 126,223 | $55.3K | 0.00% | 00.0% | Unchanged |
| Corsair Capital Management, L.P. | 100,000 | $43.9K | 0.01% | +100,000 | New |
| Susquehanna International Group, LLP | 84,349 | $37.0K | 0.00% | −56,115−39.9% | Reduced |
| FMR LLC | 45,593 | $20.0K | 0.00% | −26,681−36.9% | Reduced |
| Jane Street Group, LLC | 40,564 | $17.8K | 0.00% | −30,172−42.7% | Reduced |
| Gabelli Funds LLC | 39,000 | $17.1K | 0.00% | −11,000−22.0% | Reduced |
| Qube Research & Technologies Ltd | 37,255 | $16.3K | 0.00% | −13,940−27.2% | Reduced |
| Abel Hall, LLC | 32,206 | $14.1K | 0.01% | −5,128−13.7% | Reduced |
| Callan Family Office, LLC | 29,844 | $13.1K | 0.00% | 00.0% | Unchanged |
| Greenwood Capital Associates LLC | 27,754 | $12.2K | 0.00% | 00.0% | Unchanged |
| Brighton Jones LLC | 25,007 | $11.0K | 0.00% | −85−0.3% | Reduced |
| Morgan Stanley | 16,703 | $7.32K | 0.00% | −12,853−43.5% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 14,697 | $6.45K | 0.00% | −12,541−46.0% | Reduced |
| Legato Capital Management LLC | 14,005 | $6.14K | 0.00% | 00.0% | Unchanged |
| Camden Capital, LLC | 13,677 | $6.00K | 0.00% | −1,035−7.0% | Reduced |
| UBS Group AG | 13,279 | $5.83K | 0.00% | −778,927−98.3% | Reduced |
| Goldman Sachs Group Inc | 12,694 | $5.57K | 0.00% | −194,952−93.9% | Reduced |
| Bridgeway Capital Management, LLC | 12,500 | $5.48K | 0.00% | 00.0% | Unchanged |
| Ethic Inc. | 12,439 | $5.46K | 0.00% | −570−4.4% | Reduced |
| Balboa Wealth Partners | 11,750 | $5.15K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 8,670 | $3.80K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 8,462 | $3.71K | 0.00% | −7,156−45.8% | Reduced |
| The PNC Financial Services Group, Inc. | 7,544 | $3.31K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 7,406 | $3.00K | 0.00% | +7,249+4,617.2% | Added |
| Brown Shipley& Co Ltd | 4,783 | $2.10K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 2,289 | $1.00K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 2,749 | $1.00K | 0.00% | +2,749 | New |
| Pension & Wealth Management Advisors, Inc. | 2,250 | $987 | 0.00% | −3,700−62.2% | Reduced |
| Northwestern Mutual Wealth Management Co | 1,900 | $833 | 0.00% | +1,900 | New |
| Group One Trading, L.P. | 1,813 | $795 | 0.00% | −3,000−62.3% | Reduced |
| Federated Hermes, Inc. | 1,656 | $726 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,637 | $718 | 0.00% | +1,637 | New |
| Citigroup Inc | 1,509 | $661 | 0.00% | −12,324−89.1% | Reduced |
| EverSource Wealth Advisors, LLC | 1,219 | $535 | 0.00% | −158−11.5% | Reduced |
| Rialto Wealth Management, LLC | 1,081 | $475 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 680 | $298 | 0.00% | −1,073−61.2% | Reduced |
| Bank of America Corp | 442 | $193 | 0.00% | −6,107−93.3% | Reduced |
| Optiver Holding B.V. | 14 | $6 | 0.00% | +14 | New |
| CWM, LLC | 73 | $0 | 0.00% | −3,289−97.8% | Reduced |
| Barclays PLC | 1 | $0 | 0.00% | −891−99.9% | Reduced |
| Financial Connections Group, Inc. | 300 | $0 | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −138,700−100.0% | Sold out |
| Gamco Investors, Inc. Et Al | 0 | $0 | 0.00% | −77,000−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −45,706−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −41,464−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −26,544−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −21,503−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −16,940−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −11,131−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −3,750−100.0% | Sold out |
| Transce3nd, LLC | 0 | $0 | 0.00% | −938−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −803−100.0% | Sold out |
| Essential Partners LLC | 0 | $0 | 0.00% | −87−100.0% | Sold out |
| TSFG, LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |