# HARVARD BIOSCIENCE INC COM

HARVARD BIOSCIENCE INC COM is a security (CUSIP 416906204) tracked across SEC portfolio filings. 29 institutional managers reported $4.8M on Form 13F as of 2026-06-30; 2 registered fund positions totaling $197K via N-PORT as of 2026-03-31.

## Summary

- Issuer: HARVARD BIOSCIENCE INC
- Class: COM
- CUSIP: 416906204
- Asset category: EC
- 13F holders: 29
- 13F value: $4.8M
- 13F period: 2026-06-30
- N-PORT fund positions: 2
- N-PORT value: $197K
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 29 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [WEBER CAPITAL MANAGEMENT LLC /ADV](https://search.stillhousedata.com/firm/109624) | SAN FRANCISCO, CA | $1.6M | 320,037 |
| [CORSAIR CAPITAL MANAGEMENT, L.P.](https://search.stillhousedata.com/firm/157029) | NEW YORK, NY | $608K | 124,810 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $556K | 114,117 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $494K | 101,427 |
| BlackRock, Inc. | New York, NY | $303K | 62,226 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $290K | 59,511 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $226K | 46,332 |
| [ESSEX INVESTMENT MANAGEMENT CO LLC](https://search.stillhousedata.com/firm/109962) | BOSTON, MA | $166K | 26,973 |
| [Williams & Novak, LLC](https://search.stillhousedata.com/firm/324173) | WESTLAKE VILLAGE, CA | $129K | 20,949 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $116K | 23,830 |
| RBF Capital, LLC | SAN FRANCISCO, CA | $78K | 16,000 |
| STATE STREET CORP | BOSTON, MA | $73K | 14,932 |
| Bank of New York Mellon Corp | NEW YORK, NY | $63K | 10,230 |
| UBS Group AG | Zurich, V8 | $41K | 8,405 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $21K | 4,463 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $194K | 0.02% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $3K | 0.01% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/416906204.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.