Filing Flows › Harvard Bioscience (HBIO) › Who owns the stock
Who owns Harvard Bioscience (HBIO) stock
32 funds reported Harvard Bioscience (HBIO) shares in their latest 13F filings, worth $8.8M in all. The largest holder is Weber Capital Management LLC ($2.4M). Last quarter 7 funds added to their stakes and 17 cut them.
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Weber Capital Management LLC | 299,816 | $2.4M | decrease | 2026-09-30 |
| Acadian Asset Management LLC | 179,614 | $1.1M | unchanged | 2026-06-30 |
| Vanguard Capital Management LLC | 169,625 | $1.0M | increase | 2026-06-30 |
| Corsair Capital Management, L.P. | 122,810 | $755K | decrease | 2026-06-30 |
| Two Sigma Investments, LP | 114,545 | $704K | increase | 2026-06-30 |
| Renaissance Technologies LLC | 99,327 | $611K | decrease | 2026-06-30 |
| BlackRock | 61,834 | $380K | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 47,555 | $293K | decrease | 2026-06-30 |
| Essex Investment Management Co LLC | 26,973 | $214K | unchanged | 2026-09-30 |
| Mink Brook Asset Management LLC | 33,369 | $205K | new | 2026-06-30 |
| Millennium Management LLC | 32,620 | $201K | decrease | 2026-06-30 |
| Vanguard Fiduciary Trust | 27,730 | $171K | unchanged | 2026-06-30 |
| Williams & Novak, LLC | 16,555 | $131K | decrease | 2026-09-30 |
| UBS Group AG | 17,581 | $108K | increase | 2026-06-30 |
| RBF Capital, LLC | 16,000 | $98K | unchanged | 2026-06-30 |
Harvard Bioscience's latest quarter
Harvard Bioscience, Q2 2026: revenue $22.7M (+11% year over year), operating margin -4.3%, net loss $2.9M, operating cash flow $325K. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most HBIO stock?
By the latest 13F filings: Weber Capital Management LLC ($2.4M); Acadian Asset Management LLC ($1.1M); Vanguard Capital Management LLC ($1.0M); Corsair Capital Management, L.P. ($755K); Two Sigma Investments, LP ($704K).
What is the short interest in HBIO?
50,161 shares were sold short at the 2026-10-15 settlement, 11.48% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.