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, Q4 2025
Institutional positions in Harvard Bioscience Inc as of Dec 31, 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
- 64
- +5 vs. Q3 2025
- Shares held
- 17.5M
- +4.90M (+39.0%) vs. Q3 2025
- Total value
- $11.7M
- +$6.17M (+112.0%) vs. Q3 2025
- New holders
- 13
- 21 more added
- Sold out
- 8
- 16 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Harvard Bioscience Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 54 | $0 | 0.00% | −19−26.0% | Reduced |
| Financial Connections Group, Inc. | 300 | $0 | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 14 | $9 | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 21 | $14 | 0.00% | +20+2,000.0% | Added |
| SHP Wealth Management | 100 | $67 | 0.00% | +100 | New |
| The PNC Financial Services Group, Inc. | 144 | $96 | 0.00% | −7,400−98.1% | Reduced |
| Bank of America Corp | 451 | $301 | 0.00% | +9+2.0% | Added |
| BNP Paribas Arbitrage, SA | 680 | $455 | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 1,656 | $1.11K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,960 | $1.31K | 0.00% | +323+19.7% | Added |
| Pension & Wealth Management Advisors, Inc. | 2,250 | $1.50K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 2,289 | $1.53K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,395 | $1.60K | 0.00% | −6,067−71.7% | Reduced |
| Royal Bank of Canada | 4,795 | $3.00K | 0.00% | −2,611−35.3% | Reduced |
| Brown Shipley& Co Ltd | 4,783 | $3.20K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 8,670 | $5.80K | 0.00% | 00.0% | Unchanged |
| Balboa Wealth Partners | 10,000 | $6.69K | 0.00% | −1,750−14.9% | Reduced |
| Ethic Inc. | 10,942 | $7.32K | 0.00% | −1,497−12.0% | Reduced |
| GSK plc | 11,151 | $7.46K | 0.00% | +11,151 | New |
| Camden Capital, LLC | 13,677 | $9.15K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 13,790 | $9.22K | 0.00% | +11,041+401.6% | Added |
| Point72 Asset Management, L.P. | 14,717 | $9.84K | 0.00% | +14,717 | New |
| JustInvest LLC | 16,542 | $11.1K | 0.00% | +16,542 | New |
| Morgan Stanley | 16,686 | $11.2K | 0.00% | −17−0.1% | Reduced |
| Qube Research & Technologies Ltd | 17,029 | $11.4K | 0.00% | −20,226−54.3% | Reduced |
| Two Sigma Securities, LLC | 17,549 | $11.7K | 0.00% | +17,549 | New |
| UBS Group AG | 21,213 | $14.2K | 0.00% | +7,934+59.7% | Added |
| Abel Hall, LLC | 25,283 | $16.9K | 0.00% | −6,923−21.5% | Reduced |
| Group One Trading, L.P. | 25,513 | $17.1K | 0.00% | +23,700+1,307.2% | Added |
| Greenwood Capital Associates LLC | 27,754 | $18.6K | 0.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 27,792 | $18.6K | 0.00% | −468,352−94.4% | Reduced |
| Callan Family Office, LLC | 29,791 | $19.9K | 0.00% | −53−0.2% | Reduced |
| FMR LLC | 32,899 | $22.0K | 0.00% | −12,694−27.8% | Reduced |
| Gabelli Funds LLC | 39,000 | $26.1K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 39,349 | $26.3K | 0.00% | +39,349 | New |
| Citadel Advisors LLC | 42,992 | $28.8K | 0.00% | +42,992 | New |
| Legato Capital Management LLC | 43,467 | $29.1K | 0.00% | +29,462+210.4% | Added |
| Pasadena Private Wealth, LLC | 45,000 | $30.1K | 0.00% | −198,911−81.6% | Reduced |
| Goldman Sachs Group Inc | 49,751 | $33.3K | 0.00% | +37,057+291.9% | Added |
| Gamco Investors, Inc. Et Al | 57,000 | $38.1K | 0.00% | +57,000 | New |
| Virtu Financial LLC | 59,508 | $40.0K | 0.00% | +59,508 | New |
| Northern Trust Corp | 91,973 | $61.5K | 0.00% | −53,200−36.6% | Reduced |
| Bank of New York Mellon Corp | 126,223 | $84.4K | 0.00% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 139,218 | $93.1K | 0.00% | −20.0% | Reduced |
| Susquehanna International Group, LLP | 139,869 | $93.5K | 0.00% | +55,520+65.8% | Added |
| State Street Corp | 149,352 | $99.9K | 0.00% | 00.0% | Unchanged |
| RBF Capital, LLC | 160,000 | $107.0K | 0.00% | 00.0% | Unchanged |
| Essex Investment Management Co LLC | 184,678 | $123.5K | 0.02% | +184,678 | New |
| Citigroup Inc | 193,828 | $129.6K | 0.00% | +192,319+12,744.8% | Added |
| Williams & Novak, LLC | 348,800 | $233.3K | 0.18% | +73,300+26.6% | Added |
| Portolan Capital Management, LLC | 409,650 | $274.0K | 0.01% | +409,650 | New |
| Jane Street Group, LLC | 415,159 | $277.7K | 0.00% | +374,595+923.5% | Added |
| Geode Capital Management, LLC | 460,793 | $308.2K | 0.00% | +18,923+4.3% | Added |
| Millennium Management LLC | 546,067 | $365.2K | 0.00% | −25,636−4.5% | Reduced |
| Nano Cap New Millennium Growth Fund L P | 600,000 | $401.3K | 0.34% | +600,000 | New |
| BlackRock, Inc. | 622,296 | $416.2K | 0.00% | +929+0.1% | Added |
| Two Sigma Advisers, LP | 878,556 | $587.6K | 0.00% | +635,400+261.3% | Added |
| Two Sigma Investments, LP | 1,012,417 | $677.1K | 0.00% | +538,260+113.5% | Added |
| Renaissance Technologies LLC | 1,021,241 | $683.0K | 0.00% | +152,763+17.6% | Added |
| Corsair Capital Management, L.P. | 1,108,692 | $741.5K | 0.12% | +1,008,692+1,008.7% | Added |
| Meros Investment Management, LP | 1,217,628 | $814.4K | 0.32% | +299,369+32.6% | Added |
| Acadian Asset Management LLC | 1,772,627 | $1.18M | 0.00% | +702,937+65.7% | Added |
| Vanguard Group Inc | 1,923,275 | $1.29M | 0.00% | +71,429+3.9% | Added |
| Weber Capital Management LLC | 3,200,380 | $2.14M | 2.02% | +3,200,380 | New |
| Harvey Partners, LLC | 0 | $0 | 0.00% | −2,050,000−100.0% | Sold out |
| Granahan Investment Management Inc | 0 | $0 | 0.00% | −603,519−100.0% | Sold out |
| Acuitas Investments, LLC | 0 | $0 | 0.00% | −491,092−100.0% | Sold out |
| Brighton Jones LLC | 0 | $0 | 0.00% | −25,007−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −12,500−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −1,900−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −1,219−100.0% | Sold out |
| Rialto Wealth Management, LLC | 0 | $0 | 0.00% | −1,081−100.0% | Sold out |
| AMH Equity Ltd | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |