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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, Q1 2025

Institutional positions in Harvard Bioscience Inc as of Mar 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
92
−2 vs. Q4 2024
Shares held
25.6M
−5.25M (−17.0%) vs. Q4 2024
Total value
$14.5M
−$50.7M (−77.7%) vs. Q4 2024
New holders
10
22 more added
Sold out
12
37 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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.

Institutional holdersQ1 2025: 92 institutions
Q1 2021: 87 institutionsQ2 2021: 99 institutionsQ3 2021: 99 institutionsQ4 2021: 103 institutionsQ1 2022: 98 institutionsQ2 2022: 91 institutionsQ3 2022: 79 institutionsQ4 2022: 68 institutionsQ1 2023: 66 institutionsQ2 2023: 100 institutionsQ3 2023: 94 institutionsQ4 2023: 93 institutionsQ1 2024: 90 institutionsQ2 2024: 100 institutionsQ3 2024: 95 institutionsQ4 2024: 96 institutionsQ1 2025: 92 institutionsQ2 2025: 69 institutionsQ3 2025: 61 institutionsQ4 2025: 64 institutionsQ1 2026: 37 institutionsQ2 2026: 37 institutions
Value heldQ1 2025: $14.5M
Q1 2021: $144.2MQ2 2021: $232.3MQ3 2021: $191.7MQ4 2021: $211.4MQ1 2022: $187.3MQ2 2022: $106.8MQ3 2022: $74.0MQ4 2022: $83.3MQ1 2023: $127.2MQ2 2023: $178.2MQ3 2023: $141.6MQ4 2023: $176.4MQ1 2024: $137.8MQ2 2024: $90.7MQ3 2024: $84.2MQ4 2024: $65.5MQ1 2025: $14.5MQ2 2025: $8.39MQ3 2025: $7.29MQ4 2025: $11.7MQ1 2026: $7.73MQ2 2026: $10.3M
Institutions holding HBIO and their total value by quarter
QuarterHoldersValue
Q2 202637$10.3M
Q1 202637$7.73M
Q4 202564$11.7M
Q3 202561$7.29M
Q2 202569$8.39M
Q1 202592$14.5M
Q4 202496$65.5M
Q3 202495$84.2M
Q2 2024100$90.7M
Q1 202490$137.8M
Q4 202393$176.4M
Q3 202394$141.6M
Q2 2023100$178.2M
Q1 202366$127.2M
Q4 202268$83.3M
Q3 202279$74.0M
Q2 202291$106.8M
Q1 202298$187.3M
Q4 2021103$211.4M
Q3 202199$191.7M
Q2 202199$232.3M
Q1 202187$144.2M

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Harvard Bioscience Inc; share changes are against Q4 2024.

Institutions holding HBIO in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
AMH Equity Ltd3,387,355$1.92M2.96%+887,355+35.5%Added
BlackRock, Inc.2,820,462$1.60M0.00%−160,949−5.4%Reduced
Harvey Partners, LLC2,187,500$1.24M0.15%−495,500−18.5%Reduced
Vanguard Group Inc2,138,749$1.21M0.00%−19,106−0.9%Reduced
Royce & Associates LP1,777,894$1.01M0.01%−187,220−9.5%Reduced
Granahan Investment Management Inc1,527,894$864.8K0.04%−89,284−5.5%Reduced
Dimensional Fund Advisors LP1,437,808$813.9K0.00%−227,305−13.7%Reduced
Heartland Advisors Inc1,108,578$627.5K0.04%−91,422−7.6%Reduced
Acadian Asset Management LLC1,077,069$606.0K0.00%+78,276+7.8%Added
Geode Capital Management, LLC923,061$522.5K0.00%+3,992+0.4%Added
Renaissance Technologies LLC883,698$500.2K0.00%+173,920+24.5%Added
Meros Investment Management, LP794,680$449.8K0.26%−19,027−2.3%Reduced
State Street Corp745,235$421.8K0.00%+2,630+0.4%Added
Acuitas Investments, LLC491,092$278.0K0.24%00.0%Unchanged
Northern Trust Corp418,614$236.9K0.00%−30,403−6.8%Reduced
Citadel Advisors LLC329,964$186.8K0.00%+261,248+380.2%Added
Bard Associates Inc251,849$142.5K0.05%−15,850−5.9%Reduced
Bank of New York Mellon Corp209,548$118.6K0.00%00.0%Unchanged
STRS Ohio206,700$117.0K0.00%00.0%Unchanged
Pasadena Private Wealth, LLC198,039$112.1K0.02%00.0%Unchanged
RBF Capital, LLC180,912$102.4K0.01%+180,912New
Two Sigma Investments, LP173,326$98.1K0.00%+137,509+383.9%Added
Squarepoint Ops LLC170,172$96.3K0.00%+170,172New
Gsa Capital Partners LLP168,444$95.0K0.01%+140,235+497.1%Added
Goldman Sachs Group Inc146,305$82.8K0.00%−51,099−25.9%Reduced
Nuveen, LLC139,999$79.2K0.00%+139,999New
Two Sigma Advisers, LP135,556$76.7K0.00%+107,000+374.7%Added
Panagora Asset Management Inc120,381$68.1K0.00%−43,627−26.6%Reduced
Charles Schwab Investment Management Inc98,883$56.0K0.00%−140,813−58.7%Reduced
Bridgeway Capital Management, LLC89,517$50.7K0.00%−39,800−30.8%Reduced
Gamco Investors, Inc. Et Al85,000$48.1K0.00%−10,000−10.5%Reduced
Morgan Stanley84,702$47.9K0.00%−193,502−69.6%Reduced
Williams & Novak, LLC77,770$45.9K0.04%−21,440−21.6%Reduced
Deutsche Bank AG75,985$43.3K0.00%+52,319+221.1%Added
Gabelli Funds LLC65,000$36.8K0.00%00.0%Unchanged
Susquehanna International Group, LLP62,814$35.6K0.00%+27,358+77.2%Added
BNP Paribas Arbitrage, SA62,301$35.3K0.00%−3,903−5.9%Reduced
Landscape Capital Management, L.L.C.58,947$33.4K0.00%+58,947New
Assenagon Asset Management S.A.54,426$30.8K0.00%−15,373−22.0%Reduced
Barclays PLC41,762$23.6K0.00%−20,400−32.8%Reduced
Rhumbline Advisers41,396$23.4K0.00%+1,959+5.0%Added
JPMorgan Chase & Co40,943$23.2K0.00%−72,648−64.0%Reduced
Intech Investment Management LLC35,911$20.3K0.00%+19,114+113.8%Added
Citigroup Inc29,403$16.6K0.00%−2,955−9.1%Reduced
Greenwood Capital Associates LLC28,489$16.1K0.00%−187,809−86.8%Reduced
Punch & Associates Investment Management, Inc.25,586$14.5K0.00%−2,730,014−99.1%Reduced
Mirae Asset Global ETFs Holdings Ltd.25,324$14.3K0.00%+1,014+4.2%Added
Brighton Jones LLC25,000$14.2K0.00%00.0%Unchanged
Bank of America Corp24,287$13.7K0.00%−14,596−37.5%Reduced
UBS Group AG23,565$13.3K0.00%−13,602−36.6%Reduced
Wells Fargo & Company23,170$13.1K0.00%+512+2.3%Added
FMR LLC23,028$13.0K0.00%+17,919+350.7%Added
AQR Capital Management LLC22,780$12.9K0.00%+22,780New
SEI Investments Co22,268$12.6K0.00%00.0%Unchanged
Corebridge Financial, Inc.19,967$11.3K0.00%−296−1.5%Reduced
Bank of Montreal16,991$9.62K0.00%+16,991New
Invesco Ltd.16,899$9.56K0.00%−505−2.9%Reduced
New York State Common Retirement Fund16,842$9.53K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)15,141$8.57K0.00%+9,722+179.4%Added
Camden Capital, LLC14,712$8.33K0.00%00.0%Unchanged
Legato Capital Management LLC14,695$8.32K0.00%00.0%Unchanged
Price T Rowe Associates Inc12,624$8.00K0.00%00.0%Unchanged
Verition Fund Management LLC12,370$7.00K0.00%−19,790−61.5%Reduced
SG Americas Securities, LLC11,751$7.00K0.00%−5,410−31.5%Reduced
Jane Street Group, LLC11,951$6.76K0.00%−23,818−66.6%Reduced
Balboa Wealth Partners11,250$6.37K0.00%+11,250New
Janney Montgomery Scott LLC11,075$6.00K0.00%00.0%Unchanged
SBI Securities Co., Ltd.8,670$4.91K0.00%+5,859+208.4%Added
Police & Firemen's Retirement System of New Jersey8,194$4.64K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.7,921$4.48K0.00%+2,742+52.9%Added
Pension & Wealth Management Advisors, Inc.5,950$3.37K0.00%00.0%Unchanged
Brown Shipley& Co Ltd4,783$2.71K0.00%00.0%Unchanged
Legal & General Group Plc3,788$2.14K0.00%00.0%Unchanged
Simplex Trading, LLC4,095$2.00K0.00%−2,584−38.7%Reduced
Ameritas Investment Partners, Inc.3,230$1.83K0.00%00.0%Unchanged
California State Teachers Retirement System2,953$1.67K0.00%00.0%Unchanged
Johnson Financial Group, Inc.2,000$1.13K0.00%+2,000New
Royal Bank of Canada2,184$1.00K0.00%−1,836−45.7%Reduced
Amalgamated Bank1,319$1.00K0.00%00.0%Unchanged
CWM, LLC1,341$1.00K0.00%+504+60.2%Added
Federated Hermes, Inc.1,656$9370.00%+1,656New
Transce3nd, LLC938$5310.00%00.0%Unchanged
Sterling Capital Management LLC532$3010.00%−505−48.7%Reduced
Nisa Investment Advisors, LLC524$2970.00%−89−14.5%Reduced
Group One Trading, L.P.400$2260.00%+200+100.0%Added
Russell Investments Group, Ltd.306$1730.00%−2,619−89.5%Reduced
EverSource Wealth Advisors, LLC234$1320.00%−714−75.3%Reduced
True Wealth Design, LLC56$320.00%+44+366.7%Added
IFP Advisors, Inc15$80.00%00.0%Unchanged
TSFG, LLC300$00.00%00.0%Unchanged
Financial Connections Group, Inc.300$00.00%00.0%Unchanged
Avion Wealth235$00.00%+235New
B. Riley Asset Management, LLC0$00.00%−1,351,397−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−1,151,397−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−200,032−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−65,008−100.0%Sold out
Franklin Resources Inc0$00.00%−16,660−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−15,033−100.0%Sold out
Colony Group, LLC0$00.00%−13,143−100.0%Sold out
ProShare Advisors LLC0$00.00%−11,477−100.0%Sold out