HARVARD BIOSCIENCE INC
COM · CUSIP 416906105
101
institutional holders
+10 vs Q1 2024
31.8m
shares reported held*
$90.7mreported value*
19 new
42 added
25 reduced
10 sold out
net sold ≈ $2.6m (-900.7k 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. Holder counts are more reliable. Implied quarter-end price ≈ $2.85. Options: 3 managers hold calls ($31.9k notional), 3 hold puts ($17.4k).
Trends to Q2 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 79 |
| Q4 2022 | 69 |
| Q1 2023 | 67 |
| Q2 2023 | 101 |
| Q3 2023 | 95 |
| Q4 2023 | 94 |
| Q1 2024 | 91 |
| Q2 2024 | 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 |
| Q3 2023 | 48 | 41 |
| Q4 2023 | 41 | 36 |
| Q1 2024 | 35 | 50 |
| Q2 2024 | 61 | 35 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
CallsPuts
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2023 | $100.9k | $58.9k | 0.58 |
| Q4 2023 | $0 | $0 | — |
| Q1 2024 | $18.7k | $30.3k | 1.63 |
| Q2 2024 | $31.9k | $17.4k | 0.55 |
Biggest buyers
| Russell Investments Group, Ltd. | Added | +423.0k |
| HEARTLAND ADVISORS INC | Added | +310.9k |
| Boston Partners | New | +207.3k |
| Assenagon Asset Management S.A. | Added | +150.2k |
| MILLENNIUM MANAGEMENT LLC | Added | +129.5k |
| CITADEL ADVISORS LLC | Added | +106.4k |
| ROYCE & ASSOCIATES LP | Added | +92.7k |
| Acuitas Investments, LLC | Added | +80.8k |
| Granahan Investment Management, LLC | Added | +61.6k |
| GABELLI FUNDS LLC | New | +45.0k |
Biggest sellers
| 272 Capital LP | Reduced | -1.3m |
| Portolan Capital Management, LLC | Reduced | -685.8k |
| Archon Capital Management LLC | Sold out | -260.9k |
| MORGAN STANLEY | Reduced | -174.1k |
| NEW YORK STATE COMMON RETIREMENT FUND | Reduced | -161.5k |
| AMH Equity Ltd | Reduced | -124.3k |
| DIMENSIONAL FUND ADVISORS LP | Reduced | -98.7k |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Reduced | -54.6k |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | -41.0k |
| VANGUARD GROUP INC | Reduced | -34.2k |
Biggest calls
| GROUP ONE TRADING LLC | Added | $28.5k10.0k shares |
| CITADEL ADVISORS LLC | Reduced | $3.4k1.2k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| SIMPLEX TRADING, LLC | Unchanged | $14.0k5.0k shares |
| CITADEL ADVISORS LLC | Reduced | $3.4k1.2k 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 2024
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.00% of their portfolio | 2.8m $8.1m | Added +10.0k |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. 0.47% of their portfolio | 2.8m $7.9m | Unchanged |
| Harvey Partners, LLC 0.90% of their portfolio | 2.6m $7.3m | Unchanged |
| AMH Equity Ltd 9.30% of their portfolio | 2.2m $6.3m | Reduced -124.3k |
| VANGUARD GROUP INC 0.00% of their portfolio | 2.1m $6.0m | Reduced -34.2k |
| Granahan Investment Management, LLC 0.22% of their portfolio | 1.9m $5.5m | Added +61.6k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 1.8m $5.2m | Reduced -98.7k |
| 272 Capital LP 2.19% of their portfolio | 1.5m $4.4m | Reduced -1.3m |
| ROYCE & ASSOCIATES LP 0.04% of their portfolio | 1.4m $4.1m | Added +92.7k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.12% of their portfolio | 1.3m $3.8m | Reduced -8.5k |
| HEARTLAND ADVISORS INC 0.19% of their portfolio | 1.2m $3.4m | Added +310.9k |
| ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio | 963.1k $2.7m | Reduced -41.0k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 892.6k $2.5m | Added +36.4k |
| Meros Investment Management, LP 1.13% of their portfolio | 835.2k $2.4m | Added +13.4k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 745.3k $2.1m | Added +42.8k |
| STATE STREET CORP 0.00% of their portfolio | 709.6k $2.0m | Added +16.4k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 448.6k $1.3m | Reduced -7.5k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 423.0k $1.2m | Added +423.0k |
| Acuitas Investments, LLC 0.62% of their portfolio | 407.3k $1.2m | Added +80.8k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.02% of their portfolio | 320.1k $912.4k | Reduced -1.4k |
| BARD ASSOCIATES INC 0.32% of their portfolio | 297.0k $846.4k | Added +5.7k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 274.6k $782.7k | Added +31.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 239.7k $683.1k | Added +9.9k |
| Assenagon Asset Management S.A. 0.00% of their portfolio | 227.7k $648.9k | Added +150.2k |
| Boston Partners 0.00% of their portfolio | 207.3k $590.9k | New |
| GREENWOOD CAPITAL ASSOCIATES LLC 0.08% of their portfolio | 206.9k $589.8k | Reduced -9.7k |
| Pasadena Private Wealth, LLC 0.13% of their portfolio | 198.0k $564.4k | Added +25.6k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 184.5k $525.8k | Unchanged |
| STRS OHIO 0.00% of their portfolio | 154.0k $438.9k | Added +38.8k |
| Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio | 150.4k $428.6k | Added +6.3k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 148.4k $423.0k | Added +129.5k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 140.0k $399.0k | Unchanged |
| GLOBEFLEX CAPITAL L P 0.04% of their portfolio | 139.5k $397.6k | Reduced -8.3k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 125.4k $357.3k | Added +106.4k |
| ClariVest Asset Management LLC 0.03% of their portfolio | 114.3k $325.7k | Added +3.2k |
| Riverwater Partners LLC 0.22% of their portfolio | 106.0k $302.0k | Added +12.8k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 105.0k $299.3k | Added +29.0k |
| Invesco Ltd. 0.00% of their portfolio | 99.0k $282.3k | Added +41.7k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 77.8k $221.8k | Added +37.9k |
| TWO SIGMA ADVISERS, LP 0.00% of their portfolio | 75.7k $215.6k | Reduced -12.5k |
| MORGAN STANLEY 0.00% of their portfolio | 66.0k $188.1k | Reduced -174.1k |
| WINTON GROUP Ltd 0.01% of their portfolio | 63.9k $182.1k | Reduced -131 |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 61.5k $175.2k | Reduced -11.4k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 60.4k $172.0k | Added +40.8k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 59.2k $168.8k | Added +17.2k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 47.8k $136.1k | Added +9.5k |
| GABELLI FUNDS LLC 0.00% of their portfolio | 45.0k $128.2k | New |
| SHERBROOKE PARK ADVISERS LLC 0.02% of their portfolio | 42.4k $120.9k | New |
| Verition Fund Management LLC 0.00% of their portfolio | 38.3k $109.2k | New |
| Legato Capital Management LLC 0.01% of their portfolio | 36.4k $103.8k | Added +1.4k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 36.2k $103.2k | Added +2.8k |
| Virtu Financial LLC 0.01% of their portfolio | 35.4k $101.0k | New |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 28.4k $84.5k | New |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 25.9k $73.7k | Added +15.4k |
| Corebridge Financial, Inc. 0.00% of their portfolio | 21.9k $62.5k | First filing |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 21.2k $60.3k | First filing |
| PRELUDE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 20.2k $57.6k | Added +3.7k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 20.2k $57.6k | Added +900 |
| Squarepoint Ops LLC 0.00% of their portfolio | 19.6k $56.0k | New |
| Engineers Gate Manager LP 0.00% of their portfolio | 18.1k $51.5k | Reduced -85 |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 17.8k $50.8k | Added +4.5k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 16.8k $48.0k | Reduced -161.5k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 16.6k $47.2k | Added +320 |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 15.5k $44.1k | Reduced -7.3k |
| GAMCO INVESTORS, INC. ET AL 0.00% of their portfolio | 15.0k $42.8k | New |
| CERTUITY, LLC 0.00% of their portfolio | 14.7k $41.9k | Added +325 |
| BARCLAYS PLC 0.00% of their portfolio | 14.5k $41.3k | Reduced -14.2k |
| Cubist Systematic Strategies, LLC 0.00% of their portfolio | 14.1k $40.3k | New |
| UBS Group AG 0.00% of their portfolio | 13.9k $39.5k | Reduced -26.9k |
| Petrus Trust Company, LTA 0.00% of their portfolio | 13.8k $39.3k | Reduced -5.5k |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 13.8k $39.2k | Added +13.4k |
| Triton Wealth Management, PLLC 0.03% of their portfolio | 13.4k $44.3k | Unchanged |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 12.6k $36.0k | Unchanged |
| Portolan Capital Management, LLC 0.00% of their portfolio | 12.0k $34.2k | Reduced -685.8k |
| Janney Montgomery Scott LLC 0.00% of their portfolio | 11.1k $32.0k | Unchanged |
| Allspring Global Investments Holdings, LLC 0.00% of their portfolio | 10.8k $30.8k | New |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio | 10.0k $28.5k | Reduced -54.6k |
| CITIGROUP INC 0.00% of their portfolio | 9.5k $27.2k | Added +2.0k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 6.4k $18.0k | Added +4.9k |
| Brown Shipley& Co Ltd 0.01% of their portfolio | 4.8k $13.6k | Added +47 |
| FMR LLC 0.00% of their portfolio | 4.2k $12.1k | Added +4.2k |
| Legal & General Group Plc 0.00% of their portfolio | 3.8k $10.8k | Reduced -632 |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 3.2k $9.2k | Unchanged |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 3.0k $8.4k | Reduced -1.1k |
| Point72 (DIFC) Ltd 0.00% of their portfolio | 2.4k $6.9k | New |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 2.2k $6.0k | Added +2.1k |
| INNEALTA CAPITAL, LLC 0.00% of their portfolio | 1.7k $4.8k | New |
| Point72 Asia (Singapore) Pte. Ltd. 0.00% of their portfolio | 1.7k $4.7k | New |
| AMALGAMATED BANK 0.00% of their portfolio | 1.3k $4.0k | Unchanged |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 1.2k $3.5k | Reduced -24.1k |
| Avior Wealth Management, LLC 0.00% of their portfolio | 1.2k $3.4k | Added +549 |
| Colonial Trust Co / SC 0.00% of their portfolio | 954 $2.8k | Unchanged |
| EverSource Wealth Advisors, LLC 0.00% of their portfolio | 520 $1.7k | New |
| SUMMIT SECURITIES GROUP LLC 0.00% of their portfolio | 310 $1.0k | New |
| TSFG, LLC 0.00% of their portfolio | 300 $1.0k | Unchanged |
| Financial Connections Group, Inc. 0.00% of their portfolio | 300 $0 | New |
| CWM, LLC 0.00% of their portfolio | 211 $1.0k | New |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 134 $382 | New |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 56 $160 | Unchanged |
| PNC Financial Services Group, Inc. 0.00% of their portfolio | 54 $154 | New |