HARVARD BIOSCIENCE INC - Common Stock, par value $0.01 per share (HBIO)

CUSIP: 416906105

Q2 2025 13F Holders as of 30 Jun 2025

Type / Class
Equity / Common Stock, par value $0.01 per share
Shares outstanding
5,297,433
Total 13F shares
18,909,639
Share change
-6,669,672
Total reported value
$8,390,056
Put/Call ratio
22%
Price per share
$0.44
Number of holders
63
Value change
-$3,556,213
Number of buys
32
Number of sells
62

Quarterly Holders Quick Answers

What is CUSIP 416906105?
CUSIP 416906105 identifies HBIO - HARVARD BIOSCIENCE INC - Common Stock, par value $0.01 per share in SEC institutional holdings data.

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Top shareholders of HBIO - HARVARD BIOSCIENCE INC - Common Stock, par value $0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
Bertrand Loy
3/4/5
Director
class O/S missing
556,208
$2,286,015 21 May 2024
AMH Equity Ltd
13F
Company
64%
3,387,355
$1,917,243 31 Mar 2025
13F
BlackRock, Inc.
13F 13D/G
Company
2.5%
from 13D/G
2,820,462
$1,596,382 31 Mar 2025
Michael A. Rossi
3/4/5
Chief Financial Officer
class O/S missing
260,540
$1,393,889 29 Dec 2022
Harvey Partners, LLC
13F 13D/G
Company
5%
from 13D/G
2,187,500
$1,238,125 31 Mar 2025
WEBER CAPITAL MANAGEMENT LLC /ADV
13D/G
Weber Capital Management, LLC
7.3%
3,200,380
$1,216,144 +$259,711 31 Mar 2025
Thomas W. Loewald
3/4/5
Director
class O/S missing
295,311
$1,213,728 21 May 2024
VANGUARD GROUP INC
13F
Company
40%
2,138,749
$1,210,532 31 Mar 2025
13F
Alan I. Edrick
3/4/5
Director
class O/S missing
273,911
$1,125,774 21 May 2024
ROYCE & ASSOCIATES LP
13F
Company
34%
1,777,894
$1,006,288 31 Mar 2025
13F
Granahan Investment Management, LLC
13F
Company
29%
1,527,894
$864,788 31 Mar 2025
13F
Kenneth Fletcher Olson
3/4/5
Chief Operating Officer
class O/S missing
155,595
$832,433 29 Dec 2021
DIMENSIONAL FUND ADVISORS LP
13F
Company
27%
1,437,808
$813,906 31 Mar 2025
13F
HEARTLAND ADVISORS INC
13F
Company
21%
1,108,578
$627,455 31 Mar 2025
13F
ACADIAN ASSET MANAGEMENT LLC
13F
Company
20%
1,077,069
$606,000 31 Mar 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
17%
923,061
$522,523 31 Mar 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
17%
883,698
$500,173 31 Mar 2025
13F
Meros Investment Management, LP
13F
Company
15%
794,680
$449,789 31 Mar 2025
13F
STATE STREET CORP
13F
Company
14%
745,235
$421,803 31 Mar 2025
13F
Acuitas Investments, LLC
13F
Company
9.3%
491,092
$277,958 31 Mar 2025
13F
NORTHERN TRUST CORP
13F
Company
7.9%
418,614
$236,936 31 Mar 2025
13F
CITADEL ADVISORS LLC
13F
Company
6.2%
329,964
$186,759 31 Mar 2025
13F
BARD ASSOCIATES INC
13F
Company
4.8%
251,849
$142,547 31 Mar 2025
13F
Bank of New York Mellon Corp
13F
Company
4%
209,548
$118,604 31 Mar 2025
13F
STRS OHIO
13F
Company
3.9%
206,700
$116,992 31 Mar 2025
13F
Pasadena Private Wealth, LLC
13F
Company
3.7%
198,039
$112,090 31 Mar 2025
13F
Jennifer Cote
3/4/5
Chief Financial Officer
class O/S missing
159,019
$109,500 19 Mar 2025
RBF Capital, LLC
13F
Company
3.4%
180,912
$102,396 31 Mar 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
3.3%
173,326
$98,103 31 Mar 2025
13F
Squarepoint Ops LLC
13F
Company
3.2%
170,172
$96,317 31 Mar 2025
13F
GSA CAPITAL PARTNERS LLP
13F
Company
3.2%
168,444
$95,000 31 Mar 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
2.8%
146,305
$82,809 31 Mar 2025
13F
Nuveen, LLC
13F
Company
2.6%
139,999
$79,239 31 Mar 2025
13F
TWO SIGMA ADVISERS, LP
13F
Company
2.6%
135,556
$76,725 31 Mar 2025
13F
PANAGORA ASSET MANAGEMENT INC
13F
Company
2.3%
120,381
$68,136 31 Mar 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
1.9%
98,883
$55,968 31 Mar 2025
13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F
Company
1.7%
89,517
$50,667 31 Mar 2025
13F
GAMCO INVESTORS, INC. ET AL
13F
Company
1.6%
85,000
$48,110 31 Mar 2025
13F
MORGAN STANLEY
13F
Company
1.6%
84,702
$47,941 31 Mar 2025
13F
Williams & Novak, LLC
13F
Company
1.5%
77,770
$45,884 31 Mar 2025
13F
DEUTSCHE BANK AG\
13F
Company
1.4%
75,985
$43,312 31 Mar 2025
13F
GABELLI FUNDS LLC
13F
Company
1.2%
65,000
$36,790 31 Mar 2025
13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
Company
1.2%
62,814
$35,553 31 Mar 2025
13F
BNP PARIBAS FINANCIAL MARKETS
13F
Company
1.2%
62,301
$35,262 31 Mar 2025
13F
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.
13F
Company
1.1%
58,947
$33,364 31 Mar 2025
13F
Assenagon Asset Management S.A.
13F
Company
1%
54,426
$30,805 31 Mar 2025
13F
BARCLAYS PLC
13F
Company
0.79%
41,762
$23,638 31 Mar 2025
13F
RHUMBLINE ADVISERS
13F
Company
0.78%
41,396
$23,425 31 Mar 2025
13F
JPMORGAN CHASE & CO
13F
Company
0.77%
40,943
$23,173 31 Mar 2025
13F
INTECH INVESTMENT MANAGEMENT LLC
13F
Company
0.68%
35,911
$20,326 31 Mar 2025
13F

Institutional Holders of HARVARD BIOSCIENCE INC - Common Stock, par value $0.01 per share (HBIO) as of Q2 2025

As of 30 Jun 2025, HARVARD BIOSCIENCE INC - Common Stock, par value $0.01 per share (HBIO) was held by 63 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 18,909,639 shares. The largest 10 holders included AMH Equity Ltd, Harvey Partners, LLC, VANGUARD GROUP INC, Granahan Investment Management, LLC, DIMENSIONAL FUND ADVISORS LP, BlackRock, Inc., ACADIAN ASSET MANAGEMENT LLC, Meros Investment Management, LP, UBS Group AG, and RENAISSANCE TECHNOLOGIES LLC. This page lists 64 institutional shareholders reporting positions in this security for the Q2 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
88
Q2 2025 holders
63
Holder diff
-25
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 Value $ Q2 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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