Harvard BioscienceHBIO
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 91 institutions reported holding Harvard Bioscience Inc. (HBIO) in their 13F filings, down 4 from Q4 2024. 9 opened new positions and 12 sold out. The largest holders were AMH Equity Ltd ($1.9M), BlackRock, Inc. ($1.6M) and Harvey Partners, LLC ($1.2M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Mario Gabelli (0.0% of GAMCO Investors's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Harvard Bioscience Inc.
- CUSIP
- 416906105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 9 | $263K |
| Exits | 12 | $6.0M |
All 13F filers, Q4 2024 → Q1 2025: 2,396,374 shares bought and 7,787,354 shares sold, net −5,390,980 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 91 holders
| AMH Equity Ltd | 2.96% | Add +35.5% | 3,387,355 | $1.9M |
| BlackRock, Inc. | 0.00% | Reduce -5.4% | 2,820,462 | $1.6M |
| Harvey Partners, LLC | 0.15% | Reduce -18.5% | 2,187,500 | $1.2M |
| Vanguard Group Inc. | 0.00% | Reduce -0.9% | 2,138,749 | $1.2M |
| Royce & Associates LP | 0.01% | Reduce -9.5% | 1,777,894 | $1.0M |
| Granahan Investment Management, LLC | 0.04% | Reduce -5.5% | 1,527,894 | $865K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -13.7% | 1,437,808 | $814K |
| Heartland Advisors Inc. | 0.04% | Reduce -7.6% | 1,108,578 | $627K |
| Acadian Asset Management LLC | 0.00% | Add +7.8% | 1,077,069 | $606K |
| Geode Capital Management, LLC | 0.00% | Add +0.4% | 923,061 | $523K |
| Renaissance Technologies | 0.00% | Add +24.5% | 883,698 | $500K |
| Meros Investment Management, LP | 0.26% | Reduce -2.3% | 794,680 | $450K |
| State Street Corp. | 0.00% | Add +0.3% | 745,235 | $422K |
| Acuitas Investments, LLC | 0.24% | No change | 491,092 | $278K |
| Northern Trust Corp. | 0.00% | Reduce -6.8% | 418,614 | $237K |
| Citadel Advisors | 0.00% | Add +380.2% | 329,964 | $187K |
| Bard Associates Inc. | 0.05% | Reduce -5.9% | 251,849 | $143K |
| Bank of New York Mellon Corp | 0.00% | No change | 209,548 | $119K |
| STRS Ohio | 0.00% | No change | 206,700 | $117K |
| Pasadena Private Wealth, LLC | 0.02% | No change | 198,039 | $112K |
| RBF Capital, LLC | 0.01% | New | 180,912 | $102K |
| Two Sigma Investments, LP | 0.00% | Add +383.9% | 173,326 | $98K |
| Squarepoint Ops LLC | 0.00% | New | 170,172 | $96K |
| Gsa Capital Partners LLP | 0.01% | Add +497.1% | 168,444 | $95K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -25.9% | 146,305 | $83K |
| Nuveen, LLC | 0.00% | — | 139,999 | $79K |
| Two Sigma Advisers, LP | 0.00% | Add +374.7% | 135,556 | $77K |
| Panagora Asset Management Inc. | 0.00% | Reduce -26.6% | 120,381 | $68K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -58.8% | 98,883 | $56K |
| Bridgeway Capital Management, LLC | 0.00% | Reduce -30.8% | 89,517 | $51K |
| GAMCO Investors | 0.00% | Reduce -10.5% | 85,000 | $48K |
| Morgan Stanley | 0.00% | Reduce -69.5% | 84,702 | $48K |
| Williams & Novak, LLC | 0.04% | Reduce -21.6% | 77,770 | $46K |
| Deutsche Bank AG | 0.00% | Add +221.1% | 75,985 | $43K |
| Gabelli Funds LLC | 0.00% | No change | 65,000 | $37K |
| Susquehanna International Group, LLP | 0.00% | Add +77.2% | 62,814 | $36K |
| BNP Paribas Financial Markets | 0.00% | Reduce -5.9% | 62,301 | $35K |
| Landscape Capital Management, L.L.C. | 0.00% | New | 58,947 | $33K |
| Assenagon Asset Management S.A. | 0.00% | Reduce -22.0% | 54,426 | $31K |
| Barclays PLC | 0.00% | Reduce -32.8% | 41,762 | $24K |
| Rhumbline Advisers | 0.00% | Add +5.0% | 41,396 | $23K |
| JPMorgan Chase & Co. | 0.00% | Reduce -64.0% | 40,943 | $23K |
| Intech Investment Management LLC | 0.00% | Add +113.8% | 35,911 | $20K |
| Citigroup Inc. | 0.00% | Reduce -9.1% | 29,403 | $17K |
| Greenwood Capital Associates LLC | 0.00% | Reduce -86.8% | 28,489 | $16K |
| Punch & Associates Investment Management, Inc. | 0.00% | Reduce -99.1% | 25,586 | $14K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.2% | 25,324 | $14K |
| Brighton Jones LLC | 0.00% | No change | 25,000 | $14K |
| Bank of America Corp. | 0.00% | Reduce -37.5% | 24,287 | $14K |
| UBS Group AG | 0.00% | Reduce -36.6% | 23,565 | $13K |
| Wells Fargo & Company | 0.00% | Add +2.3% | 23,170 | $13K |
| FMR LLC | 0.00% | Add +350.7% | 23,028 | $13K |
| AQR Capital Management | 0.00% | New | 22,780 | $13K |
| Sei Investments Co. | 0.00% | No change | 22,268 | $13K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 19,967 | $11K |
| Bank of Montreal | 0.00% | New | 16,991 | $10K |
| Invesco Ltd. | 0.00% | Reduce -2.9% | 16,899 | $10K |
| New York State Common Retirement Fund | 0.00% | No change | 16,842 | $10K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +179.4% | 15,141 | $9K |
| Certuity, LLC | 0.00% | No change | 14,712 | $8K |
| Legato Capital Management LLC | 0.00% | No change | 14,695 | $8K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 12,624 | $8K |
| Verition Fund Management LLC | 0.00% | Reduce -61.5% | 12,370 | $7K |
| SG Americas Securities, LLC | 0.00% | Reduce -31.5% | 11,751 | $7K |
| Jane Street Group, LLC | 0.00% | Reduce -66.6% | 11,951 | $7K |
| Balboa Wealth Partners | 0.00% | New | 11,250 | $6K |
| Janney Montgomery Scott LLC | 0.00% | No change | 11,075 | $6K |
| SBI Securities Co., Ltd. | 0.00% | Add +208.4% | 8,670 | $5K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 8,194 | $5K |
| PNC Financial Services Group, Inc. | 0.00% | Add +52.9% | 7,921 | $4K |
| Brown Shipley& Co Ltd | 0.00% | No change | 4,783 | $3K |
| Legal & General Group Plc | 0.00% | No change | 3,788 | $2K |
| Simplex Trading, LLC | 0.00% | Reduce -38.7% | 4,095 | $2K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 3,230 | $2K |
| California State Teachers Retirement System | 0.00% | No change | 2,953 | $2K |
| Johnson Financial Group, Inc. | 0.00% | New | 2,000 | $1K |
| Amalgamated Bank | 0.00% | No change | 1,319 | $1K |
| Royal Bank of Canada | 0.00% | Reduce -45.7% | 2,184 | $1K |
| Cwm, LLC | 0.00% | Add +60.2% | 1,341 | $1K |
| Federated Hermes, Inc. | 0.00% | New | 1,656 | $937 |
| Transce3nd, LLC | 0.00% | No change | 938 | $531 |
| Sterling Capital Management LLC | 0.00% | Reduce -48.7% | 532 | $301 |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -14.5% | 524 | $297 |
| Group One Trading LLC | 0.00% | Add +100.0% | 400 | $226 |
| Russell Investments Group, Ltd. | 0.00% | Reduce -89.5% | 306 | $173 |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -75.3% | 234 | $132 |
| True Wealth Design, LLC | 0.00% | Add +366.7% | 56 | $32 |
| IFP Advisors, Inc | 0.00% | No change | 15 | $8 |
| Avion Wealth | 0.00% | New | 235 | $0 |
| Tsfg, LLC | 0.00% | No change | 300 | $0 |
| Financial Connections Group, Inc. | 0.00% | No change | 300 | $0 |
"% of holder's portfolio" is HBIO's weight in each manager's 13F, not the share of Harvard Bioscience Inc. the manager owns.