Harvard BioscienceHBIO

13F holders, Q1 2025 (March 31)
91holders −4
9new positions
12sold out
4famous investors
$0.57avg. 13F price*

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

020406080100 Q1 2024: 90Q1 2024Q2 2024: 100Q2 2024Q3 2024: 94Q3 2024Q4 2024: 95Q4 2024Q1 2025: 91Q1 2025Q2 2025: 67Q2 2025Q3 2025: 60Q3 2025Q4 2025: 63Q4 2025Q1 2026: 3Q1 2026Q2 2026: 2Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions9$263K
Exits12$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.