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HBIO — HARVARD BIOSCIENCE INC

Reported value held$6.29M
Funds holding (latest)35
SectorIndustrials
Funds holding (Q2 2026)13
Institutional value$2.54M · 412.62K sh
New / Add / Cut / Exit3 / 1 / 5 / 1
Top-5 / Top-10 concentration86.3% / 99.6%
Institutional holdings change Reducing -0.2% (-822 sh)
Institutional value change Up +26.0%

As of Q2 2026, 13 SEC-registered investment managers reported holding HBIO (HARVARD BIOSCIENCE INC) in their latest 13F filings, with a combined reported value of $2.54M across 412.62K shares. That is -0.2% by share count (-822 shares) versus the previous quarter, while reported value moved +26.0%. Ownership is concentrated: the five largest holders account for 86.3% of reported value and the top ten for 99.6%.

Compared with the prior quarter, 3 opened new positions, 1 added to existing stakes, 5 trimmed, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

HBIO is classified in the Industrials sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

Q2 2026 — 13 funds

FundSharesValuePortfolio WeightChange
Two Sigma Investments history 114.55K $704.45K 0.00% Hold
Renaissance Technologies history 99.33K $610.86K 0.00% Reduce
BlackRock Inc history 61.83K $380.28K 0.00% Reduce
Geode Capital Management history 47.55K $292.53K 0.00% Reduce
Millennium Management history 32.62K $200.61K 0.00% Reduce
UBS Group AG history 17.58K $108.12K 0.00% Add
Citadel Advisors history 13.25K $81.49K 0.00% New
Goldman Sachs Group history 10.66K $65.54K 0.00% New
BNY Mellon history 10.23K $62.91K 0.00% Hold
Fidelity Management & Research (FMR) history 3.18K $19.55K 0.00% Reduce
Morgan Stanley history 1.63K $10.01K 0.00% Hold
JPMorgan Chase & Co history 195 $1.19K 0.00% New
PNC Financial Services history 14 $86 0.00% Hold

Q1 2026 — 11 funds

FundSharesValuePortfolio WeightChange
Two Sigma Investments history 114.12K $555.75K 0.00% Reduce
Renaissance Technologies history 101.43K $493.95K 0.00% Reduce
BlackRock Inc history 62.23K $303.04K 0.00% Reduce
Geode Capital Management history 59.51K $289.87K 0.00% Reduce
Millennium Management history 46.33K $225.64K 0.00% Reduce
BNY Mellon history 10.23K $49.82K 0.00% Reduce
UBS Group AG history 8.40K $40.93K 0.00% Reduce
Citigroup Inc history 6.27K $30.55K 0.00% Reduce
Fidelity Management & Research (FMR) history 3.27K $15.94K 0.00% Reduce
Morgan Stanley history 1.63K $7.93K 0.00% Reduce
PNC Financial Services history 14 $68 0.00% Reduce

Q4 2025 — 18 funds

FundSharesValuePortfolio WeightChange
Vanguard Group history 1.92M $1.29M 0.00% Add
Renaissance Technologies history 1.02M $683.01K 0.00% Add
Two Sigma Investments history 1.01M $677.10K 0.00% Add
BlackRock Inc history 622.30K $416.19K 0.00% Hold
Millennium Management history 546.07K $365.21K 0.00% Reduce
Geode Capital Management history 460.79K $308.25K 0.00% Add
Citigroup Inc history 193.83K $129.63K 0.00% Add
BNY Mellon history 126.22K $84.42K 0.00% Hold
Northern Trust Corp history 91.97K $61.51K 0.00% Reduce
Citadel Advisors history 62.29K $41.66K 0.00% Add
Goldman Sachs Group history 49.75K $33.27K 0.00% Add
Fidelity Management & Research (FMR) history 32.90K $22.00K 0.00% Reduce
UBS Group AG history 21.21K $14.19K 0.00% Add
Morgan Stanley history 16.69K $11.16K 0.00% Hold
Point72 Asset Management history 14.72K $9.84K 0.00% New
JPMorgan Chase & Co history 1.96K $1.31K 0.00% Add
Bank of America Corp history 451 $301 0.00% Add
PNC Financial Services history 144 $96 0.00% Reduce

Q3 2025 — 17 funds

FundSharesValuePortfolio WeightChange
Vanguard Group history 1.85M $812.96K 0.00% Hold
Renaissance Technologies history 868.48K $380.83K 0.00% Add
BlackRock Inc history 621.37K $272.47K 0.00% Reduce
Millennium Management history 571.70K $250.69K 0.00% Reduce
Two Sigma Investments history 474.16K $207.92K 0.00% Add
Geode Capital Management history 441.87K $193.81K 0.00% Hold
Northern Trust Corp history 145.17K $63.66K 0.00% Reduce
BNY Mellon history 126.22K $55.35K 0.00% Hold
Fidelity Management & Research (FMR) history 45.59K $19.99K 0.00% Reduce
Citadel Advisors history 42.40K $18.59K 0.00% Reduce
Morgan Stanley history 16.70K $7.32K 0.00% Reduce
UBS Group AG history 13.28K $5.83K 0.00% Reduce
Goldman Sachs Group history 12.69K $5.57K 0.00% Reduce
PNC Financial Services history 7.54K $3.31K 0.00% Hold
JPMorgan Chase & Co history 1.64K $718 0.00% New
Citigroup Inc history 1.51K $661 0.00% Reduce
Bank of America Corp history 442 $193 0.00% Reduce

Q2 2025 — 26 funds

FundSharesValuePortfolio WeightChange
Vanguard Group history 1.85M $823.13K 0.00% Reduce
BlackRock Inc history 1.11M $494.65K 0.00% Reduce
BlackRock Inc history 1.11M $494.65K 0.00% Reduce
UBS Group AG history 792.21K $351.74K 0.00% Add
Renaissance Technologies history 791.98K $351.48K 0.00% Reduce
Renaissance Technologies history 791.98K $351.48K 0.00% Reduce
Millennium Management history 639.87K $283.97K 0.00% New
Geode Capital Management history 440.02K $195.33K 0.00% Reduce
Goldman Sachs Group history 207.65K $92.15K 0.00% Add
Goldman Sachs Group history 207.65K $92.15K 0.00% Add
Two Sigma Investments history 197.78K $87.78K 0.00% Add
Two Sigma Investments history 197.78K $87.78K 0.00% Add
Northern Trust Corp history 188.87K $83.82K 0.00% Reduce
Marshall Wace history 138.70K $61.03K 0.00% New
BNY Mellon history 126.22K $56.02K 0.00% Reduce
Citadel Advisors history 91.30K $40.52K 0.00% Reduce
Citadel Advisors history 91.30K $40.52K 0.00% Reduce
Fidelity Management & Research (FMR) history 72.27K $32.08K 0.00% Add
Fidelity Management & Research (FMR) history 72.27K $32.08K 0.00% Add
AQR Capital Management history 45.71K $20.29K 0.00% Add
Morgan Stanley history 29.56K $13.12K 0.00% Reduce
Morgan Stanley history 29.56K $13.12K 0.00% Reduce
Citigroup Inc history 13.83K $6.14K 0.00% Reduce
PNC Financial Services history 7.54K $3.35K 0.00% Reduce
Bank of America Corp history 6.55K $2.90K 0.00% Reduce
Wells Fargo & Co history 803 $356 0.00% Reduce

Q1 2025 — 33 funds

FundSharesValuePortfolio WeightChange
BlackRock Inc history 2.82M $1.60M 0.00% Reduce
BlackRock Inc history 2.82M $1.60M 0.00% Reduce
Vanguard Group history 2.14M $1.21M 0.00% Reduce
Royce & Associates history 1.78M $1.01M 0.01% Reduce
Geode Capital Management history 923.06K $522.52K 0.00% Hold
Renaissance Technologies history 883.70K $500.17K 0.00% Add
Renaissance Technologies history 883.70K $500.17K 0.00% Add
Northern Trust Corp history 418.61K $236.94K 0.00% Reduce
Citadel Advisors history 340.66K $192.81K 0.00% Add
Citadel Advisors history 340.66K $192.81K 0.00% Add
BNY Mellon history 209.55K $118.60K 0.00% Hold
Two Sigma Investments history 173.33K $98.10K 0.00% Add
Two Sigma Investments history 173.33K $98.10K 0.00% Add
Goldman Sachs Group history 146.31K $82.81K 0.00% Reduce
Goldman Sachs Group history 146.31K $82.81K 0.00% Reduce
Charles Schwab Investment Management history 98.88K $55.97K 0.00% Reduce
Morgan Stanley history 84.70K $47.94K 0.00% Reduce
Morgan Stanley history 84.70K $47.94K 0.00% Reduce
Deutsche Bank AG history 75.98K $43.31K 0.00% Add
Deutsche Bank AG history 75.98K $43.31K 0.00% Add
JPMorgan Chase & Co history 40.94K $23.17K 0.00% Reduce
JPMorgan Chase & Co history 40.94K $23.17K 0.00% Reduce
Citigroup Inc history 29.40K $16.64K 0.00% Reduce
Bank of America Corp history 24.29K $13.75K 0.00% Reduce
UBS Group AG history 23.57K $13.34K 0.00% Reduce
Wells Fargo & Co history 23.17K $13.11K 0.00% Add
Fidelity Management & Research (FMR) history 23.03K $13.03K 0.00% Add
Fidelity Management & Research (FMR) history 23.03K $13.03K 0.00% Add
AQR Capital Management history 22.78K $12.89K 0.00% New
Invesco Ltd history 16.90K $9.56K 0.00% Reduce
PNC Financial Services history 7.92K $4.48K 0.00% Add
Legal & General Investment Management America history 3.79K $2.14K 0.00% Hold
T. Rowe Price Associates history 12.62K $8 0.00% Hold

View all 35 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023Q2 2023Q1 2023Q4 2022Q3 2022Q2 2022Q1 2022Q4 2021Q3 2021
Two Sigma Investments 114.55K 114.12K 1.01M 474.16K 197.78K 173.33K 35.82K 33.71K 59.22K 41.98K 53.24K 131.02K 120.12K 68.59K 129.84K 173.12K 99.52K 52.69K 137.06K 216.14K
Renaissance Technologies 99.33K 101.43K 1.02M 868.48K 791.98K 883.70K 709.78K 724.08K 745.28K 702.48K 720.38K 744.68K 752.21K 730.01K 734.31K 851.47K 1.00M 948.45K 905.95K 1.08M
BlackRock Inc 61.83K 62.23K 622.30K 621.37K 1.11M 2.82M 2.98M 2.92M — — — — — — — — — — — —
Geode Capital Management 47.55K 59.51K 460.79K 441.87K 440.02K 923.06K 919.07K 912.60K 892.63K 856.22K 804.64K 778.06K 724.73K 339.02K 339.02K 336.37K 335.69K 649.33K 642.90K 631.89K
Millennium Management 32.62K 46.33K 546.07K 571.70K 639.87K — — 11.95K 148.42K 18.97K 62.88K 339.47K 265.65K 133.38K 164.23K 205.71K 390.97K 76.55K 93.35K 141.25K
UBS Group AG 17.58K 8.40K 21.21K 13.28K 792.21K 23.57K 37.17K 20.72K 13.86K 40.73K 46.57K 20.27K 26.89K 3.52K 4.87K 2.79K 619 3.10K 10.71K 3.23K
Citadel Advisors 13.25K — 62.29K 42.40K 91.30K 340.66K 83.72K 118.79K 127.77K 25.19K — 13.29K 17.17K 32.83K 42.17K 15.23K 148.94K 20.10K — 23.55K
Goldman Sachs Group 10.66K — 49.75K 12.69K 207.65K 146.31K 197.40K 175.42K 77.83K 39.93K 40.27K 30.38K 47.03K 37.09K 12.75K 37.13K 63.02K 93.74K 97.60K 100.60K
BNY Mellon 10.23K 10.23K 126.22K 126.22K 126.22K 209.55K 209.55K 230.08K 274.63K 243.13K 249.61K 227.00K 224.24K 134.55K 134.55K 163.30K 168.03K 266.31K 248.15K 219.32K
Fidelity Management & Research (FMR) 3.18K 3.27K 32.90K 45.59K 72.27K 23.03K 5.11K 4.30K 4.25K 59 265 48 40 — — — 367 1.38K 393 —
Morgan Stanley 1.63K 1.63K 16.69K 16.70K 29.56K 84.70K 278.20K 160.35K 66.00K 80.02K 109.58K 57.21K 392.80K 1.75K 3.49K 50.25K 77.23K 12.86K 18.56K 9.75K
JPMorgan Chase & Co 195 — 1.96K 1.64K — 40.94K 113.59K 29.50K 18.10K 16.71K 27.31K 27.31K 31.19K 858 858 2.54K 1.63K 23.14K 33.69K 18.47K
PNC Financial Services 14 14 144 7.54K 7.54K 7.92K 5.18K 54 54 — 22 — — — — — — — — —
Point72 Asset Management — — 14.72K — — — — — — — — — — — — — — — — —
Deutsche Bank AG — — — — — 75.98K 23.67K 23.67K 15.48K 22.76K 22.14K 21.43K 2.75K — — — — 22.89K 23.95K 24.93K
Bank of America Corp — — 451 442 6.55K 24.29K 38.88K 26.93K 25.86K 10.43K 35.28K 18.16K 8.92K 36.12K 8.88K 8.53K 1.03K 25.75K 17.78K 7.27K
Citigroup Inc — 6.27K 193.83K 1.51K 13.83K 29.40K 32.36K 30.04K 9.54K 7.55K 6.44K 217 11.65K — — 494 1.03K 2.34K 11.35K 4.51K
Northern Trust Corp — — 91.97K 145.17K 188.87K 418.61K 449.02K 452.04K 448.62K 456.10K 467.65K 466.71K 461.40K 192.30K 190.92K 191.54K 614.12K 456.48K 480.24K 489.89K
Vanguard Group — — 1.92M 1.85M 1.85M 2.14M 2.16M 2.15M 2.12M 2.15M 2.10M 2.06M 1.96M 1.74M 1.26M 1.54M 1.54M 1.92M 1.71M 1.80M
AQR Capital Management — — — — 45.71K 22.78K — — — — — 11.76K — — — — 34.36K 224.61K 357.24K 313.35K

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