HARVARD BIOSCIENCE INC
COM · CUSIP 416906105
101
institutional holders
+34 vs Q1 2023
32.5m
shares reported held*
$178.1mreported value*
41 new
27 added
20 reduced
7 sold out
net bought ≈ $12.3m (+2.3m shares)
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($76.0k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $5.49. Options: 5 managers hold calls ($164.4k notional), 2 hold puts ($1.1k).
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 79 |
| Q4 2022 | 69 |
| Q1 2023 | 67 |
| Q2 2023 | 101 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Bought or addedCut or sold out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 26 | 48 |
| Q1 2023 | 21 | 33 |
| Q2 2023 | 68 | 27 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
CallsPuts
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $0 | $0 | — |
| Q4 2022 | $277 | $28.3k | 102.00 |
| Q1 2023 | $7.6k | $1.7k | 0.22 |
| Q2 2023 | $164.4k | $1.1k | 0.01 |
Biggest buyers
| BlackRock Inc. | Added | +1.7m |
| STATE STREET CORP | Added | +499.3k |
| MORGAN STANLEY | Added | +391.1k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +385.7k |
| NORTHERN TRUST CORP | Added | +269.1k |
| VANGUARD GROUP INC | Added | +218.0k |
| Acuitas Investments, LLC | New | +180.3k |
| Nuveen Asset Management, LLC | New | +140.0k |
| MILLENNIUM MANAGEMENT LLC | Added | +132.3k |
| Connor, Clark & Lunn Investment Management Ltd. | New | +98.6k |
Biggest sellers
| Archon Capital Management LLC | Reduced | -1.1m |
| HEARTLAND ADVISORS INC | Reduced | -350.0k |
| 272 Capital LP | Reduced | -345.8k |
| Meros Investment Management, LP | Reduced | -311.2k |
| Portolan Capital Management, LLC | Reduced | -260.0k |
| Harvey Partners, LLC | Reduced | -188.7k |
| Informed Momentum Co LLC | Reduced | -140.6k |
| CM WEALTH ADVISORS LLC | Reduced | -136.9k |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | Reduced | -84.7k |
| BOOTHBAY FUND MANAGEMENT, LLC | Reduced | -60.9k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | $82.3k15.0k shares |
| CITADEL ADVISORS LLC | Added | $72.5k13.2k shares |
| GROUP ONE TRADING LLC | New | $6.6k1.2k shares |
| SIMPLEX TRADING, LLC | New | $3.0k700 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | Reduced | $1.1k200 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| WEBER CAPITAL MANAGEMENT LLC /ADV 13G · institution +1.5 pts · filed 2025-05-08 | 7.3% |
| Leviticus Partners LP 13G · institution -1.3 pts · filed 2026-09-22 | 5.2% |
Holders, Q2 2023
| Manager | Shares | Change |
|---|---|---|
| 272 Capital LP 6.18% of their portfolio | 3.1m $16.8m | Reduced -345.8k |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. 0.96% of their portfolio | 2.9m $15.7m | Reduced -84.7k |
| BlackRock Inc. 0.00% of their portfolio | 2.6m $14.4m | Added +1.7m |
| Harvey Partners, LLC 1.71% of their portfolio | 2.5m $13.9m | Reduced -188.7k |
| AMH Equity Ltd 12.55% of their portfolio | 2.0m $11.0m | Reduced -53.9k |
| VANGUARD GROUP INC 0.00% of their portfolio | 2.0m $10.8m | Added +218.0k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 1.8m $10.0m | Added +72.5k |
| Granahan Investment Management, LLC 0.24% of their portfolio | 1.4m $7.9m | Added +9.3k |
| ROYCE & ASSOCIATES LP 0.07% of their portfolio | 1.4m $7.7m | Reduced -38.4k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.20% of their portfolio | 1.2m $6.4m | Reduced -60.9k |
| ACADIAN ASSET MANAGEMENT LLC 0.02% of their portfolio | 1.1m $6.1m | Unchanged |
| HEARTLAND ADVISORS INC 0.27% of their portfolio | 850.0k $4.7m | Reduced -350.0k |
| Meros Investment Management, LP 2.21% of their portfolio | 813.0k $4.5m | Reduced -311.2k |
| Portolan Capital Management, LLC 0.38% of their portfolio | 783.6k $4.3m | Reduced -260.0k |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 752.2k $4.1m | Added +22.2k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 724.7k $4.0m | Added +385.7k |
| STATE STREET CORP 0.00% of their portfolio | 626.9k $3.4m | Added +499.3k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 461.4k $2.5m | Added +269.1k |
| MORGAN STANLEY 0.00% of their portfolio | 392.8k $2.2m | Added +391.1k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.04% of their portfolio | 331.3k $1.8m | Unchanged |
| BARD ASSOCIATES INC 0.61% of their portfolio | 286.9k $1.6m | Reduced -4.4k |
| Archon Capital Management LLC 0.56% of their portfolio | 279.4k $1.5m | Reduced -1.1m |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 265.6k $1.5m | Added +132.3k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 230.2k $1.3m | Added +78.9k |
| GREENWOOD CAPITAL ASSOCIATES LLC 0.18% of their portfolio | 227.9k $1.3m | Reduced -48.4k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 224.2k $1.2m | Added +89.7k |
| Informed Momentum Co LLC 0.21% of their portfolio | 205.0k $1.1m | Reduced -140.6k |
| ClariVest Asset Management LLC 0.05% of their portfolio | 198.7k $1.1m | Added +67.6k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.03% of their portfolio | 198.4k $1.1m | Unchanged |
| Acuitas Investments, LLC 0.58% of their portfolio | 180.3k $989.8k | New |
| Pasadena Private Wealth, LLC 0.27% of their portfolio | 172.5k $946.9k | Added +38.3k |
| GLOBEFLEX CAPITAL L P 0.10% of their portfolio | 167.3k $918.6k | Added +38.0k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 140.0k $768.6k | New |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 135.9k $745.9k | Added +40.4k |
| Assenagon Asset Management S.A. 0.00% of their portfolio | 134.7k $739.2k | Added +72.5k |
| TWO SIGMA ADVISERS, LP 0.00% of their portfolio | 124.9k $685.5k | Added +33.3k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 120.1k $659.5k | Added +51.5k |
| Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio | 98.6k $541.6k | New |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio | 97.6k $536.0k | Reduced -21.6k |
| STRS OHIO 0.00% of their portfolio | 91.5k $502.0k | New |
| CORNERCAP INVESTMENT COUNSEL INC 0.08% of their portfolio | 79.2k $434.6k | New |
| Engineers Gate Manager LP 0.02% of their portfolio | 74.5k $408.9k | Added +59.5k |
| Jump Financial, LLC 0.01% of their portfolio | 61.2k $335.9k | New |
| MARSHALL WACE, LLP 0.00% of their portfolio | 54.6k $300.0k | New |
| Legato Capital Management LLC 0.04% of their portfolio | 49.8k $273.4k | Reduced -18.0k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 47.0k $258.2k | Added +9.9k |
| Riverwater Partners LLC 0.22% of their portfolio | 44.3k $243.3k | Reduced -13.0k |
| OCCUDO QUANTITATIVE STRATEGIES LP 0.02% of their portfolio | 39.3k $216.0k | New |
| WINTON GROUP Ltd 0.02% of their portfolio | 36.4k $200.1k | New |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 34.6k $189.7k | New |
| Cubist Systematic Strategies, LLC 0.00% of their portfolio | 33.1k $181.8k | New |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 31.2k $171.2k | Added +30.3k |
| Triton Wealth Management, PLLC 0.08% of their portfolio | 30.3k $137.1k | Unchanged |
| UBS Group AG 0.00% of their portfolio | 26.9k $147.6k | Added +23.4k |
| Verition Fund Management LLC 0.00% of their portfolio | 25.4k $139.5k | New |
| ALGERT GLOBAL LLC 0.01% of their portfolio | 25.1k $137.9k | New |
| Hillsdale Investment Management Inc. 0.01% of their portfolio | 23.9k $131.3k | New |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 21.0k $115.1k | New |
| MetLife Investment Management, LLC 0.00% of their portfolio | 20.8k $114.2k | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 20.8k $114.1k | Added +2.3k |
| Virtu Financial LLC 0.01% of their portfolio | 20.0k $110.0k | New |
| Invesco Ltd. 0.00% of their portfolio | 20.0k $109.7k | New |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.00% of their portfolio | 19.1k $104.9k | New |
| AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio | 18.8k $103.4k | New |
| DENALI ADVISORS LLC 0.04% of their portfolio | 18.2k $99.9k | New |
| Man Group plc 0.00% of their portfolio | 17.7k $97.3k | New |
| VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio | 17.1k $93.8k | Unchanged |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 16.5k $90.5k | New |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 16.5k $90.4k | Added +16.2k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 16.0k $88.0k | New |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 15.5k $84.9k | New |
| XTX Topco Ltd 0.01% of their portfolio | 15.1k $82.7k | New |
| CERTUITY, LLC 0.01% of their portfolio | 14.3k $78.7k | Unchanged |
| EAGLE ASSET MANAGEMENT INC 0.00% of their portfolio | 13.8k $76.0k | Unchanged |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 13.0k $71.4k | New |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 12.8k $70.1k | Added +12.7k |
| PRELUDE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 12.5k $68.6k | New |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 12.5k $68.5k | New |
| CM WEALTH ADVISORS LLC 0.02% of their portfolio | 11.8k $56.5k | Reduced -136.9k |
| CITIGROUP INC 0.00% of their portfolio | 11.6k $64.0k | New |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio | 11.1k $61.0k | New |
| Janney Montgomery Scott LLC 0.00% of their portfolio | 11.0k $60.0k | Unchanged |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 8.9k $49.0k | Reduced -27.2k |
| BARCLAYS PLC 0.00% of their portfolio | 7.8k $43.0k | New |
| AMALGAMATED BANK 0.00% of their portfolio | 5.9k $33.0k | New |
| Brown Shipley& Co Ltd 0.01% of their portfolio | 4.8k $26.3k | Unchanged |
| Legal & General Group Plc 0.00% of their portfolio | 4.7k $26.0k | New |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 4.4k $24.0k | Added +4.4k |
| LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio | 4.2k $23.0k | New |
| Dorsey Wright & Associates 0.01% of their portfolio | 4.1k $22.5k | New |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 3.8k $20.7k | Reduced -26.9k |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 3.2k $17.7k | New |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 2.7k $15.1k | New |
| EARNEST PARTNERS LLC 0.00% of their portfolio | 2.6k $14.3k | Unchanged |
| Metropolitan Life Insurance Co/NY 0.00% of their portfolio | 2.2k $11.8k | New |
| Colonial Trust Co / SC 0.00% of their portfolio | 954 $5.3k | Reduced -284 |
| TSFG, LLC 0.00% of their portfolio | 300 $2.0k | Unchanged |
| Financial Connections Group, Inc. 0.00% of their portfolio | 300 $1.0k | Unchanged |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 100 $549 | New |
| FMR LLC 0.00% of their portfolio | 40 $220 | New |