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, Q2 2026
Institutional positions in Harvard Bioscience Inc as of Jun 30, 2026. 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
- 37
- +2 vs. Q1 2026
- Shares held
- 1.68M
- +93.9K (+5.9%) vs. Q1 2026
- Total value
- $10.3M
- +$2.60M (+33.7%) vs. Q1 2026
- New holders
- 4
- 5 more added
- Sold out
- 2
- 16 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Harvard Bioscience Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 15 | $0 | 0.00% | −840−98.2% | Reduced |
| SHP Wealth Management | 10 | $62 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 14 | $86 | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 26 | $160 | 0.00% | +26 | New |
| BNP Paribas Arbitrage, SA | 66 | $406 | 0.00% | −2−2.9% | Reduced |
| JPMorgan Chase & Co | 195 | $1.19K | 0.00% | −4,268−95.6% | Reduced |
| Pension & Wealth Management Advisors, Inc. | 225 | $1.38K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 228 | $1.40K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 240 | $1.48K | 0.00% | −1,942−89.0% | Reduced |
| Brown Shipley& Co Ltd | 478 | $2.94K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 580 | $3.57K | 0.00% | −572−49.7% | Reduced |
| SBI Securities Co., Ltd. | 866 | $5.33K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 1,221 | $7.51K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 1,627 | $10.0K | 0.00% | −1−0.1% | Reduced |
| FMR LLC | 3,179 | $19.6K | 0.00% | −95−2.9% | Reduced |
| Bank of New York Mellon Corp | 10,230 | $62.9K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 10,657 | $65.5K | 0.00% | +10,657 | New |
| Citadel Advisors LLC | 13,251 | $81.5K | 0.00% | +13,251 | New |
| Jane Street Group, LLC | 13,982 | $86.0K | 0.00% | −9,848−41.3% | Reduced |
| State Street Corp | 14,932 | $91.8K | 0.00% | 00.0% | Unchanged |
| RBF Capital, LLC | 16,000 | $98.4K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 17,581 | $108.1K | 0.00% | +9,176+109.2% | Added |
| Williams & Novak, LLC | 20,949 | $128.8K | 0.09% | −6,103−22.6% | Reduced |
| Essex Investment Management Co LLC | 26,973 | $165.9K | 0.02% | −48−0.2% | Reduced |
| Vanguard Fiduciary Trust Co | 27,730 | $170.5K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 32,620 | $200.6K | 0.00% | −13,712−29.6% | Reduced |
| Mink Brook Asset Management LLC | 33,369 | $205.2K | 0.09% | +33,369 | New |
| Geode Capital Management, LLC | 47,555 | $292.5K | 0.00% | −11,956−20.1% | Reduced |
| BlackRock, Inc. | 61,834 | $380.3K | 0.00% | −392−0.6% | Reduced |
| Renaissance Technologies LLC | 99,327 | $610.9K | 0.00% | −2,100−2.1% | Reduced |
| Two Sigma Investments, LP | 114,545 | $704.5K | 0.00% | +428+0.4% | Added |
| Corsair Capital Management, L.P. | 122,810 | $755.3K | 0.10% | −2,000−1.6% | Reduced |
| Nano Cap New Millennium Growth Fund L P | 143,082 | $880.0K | 0.68% | +25,582+21.8% | Added |
| Vanguard Capital Management LLC | 169,625 | $1.04M | 0.00% | +6,312+3.9% | Added |
| Acadian Asset Management LLC | 179,614 | $1.10M | 0.00% | 00.0% | Unchanged |
| Meros Investment Management, LP | 182,992 | $1.13M | 0.36% | +64,470+54.4% | Added |
| Weber Capital Management LLC | 310,861 | $1.91M | 1.63% | −9,176−2.9% | Reduced |
| Citigroup Inc | 0 | $0 | 0.00% | −6,273−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −73−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| Financial Connections Group, Inc. | – | – | – | – | Not filed |