Harvard Bioscience, Inc. (HBIO) is held by institutional investors who disclose positions via SEC 13F filings. View the full list of institutional holders on HoldingsIntel.

Are institutions buying or selling HBIO?

HoldingsIntel tracks quarter-over-quarter changes in institutional positions for Harvard Bioscience, Inc., showing new buyers, position increases, decreases, and exits with conviction-weighted sentiment.

What is the Smart Money Verdict on HBIO?

The Smart Money Verdict combines four independent signals (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for Harvard Bioscience, Inc..

Is institutional money flowing into HBIO?

38 institutional investors hold Harvard Bioscience, Inc. (HBIO). View detailed buyer/seller breakdown on HoldingsIntel.

What do hedge funds think about HBIO?

Track institutional sentiment and conviction scores for Harvard Bioscience, Inc. (HBIO) including Smart Money Verdict and position changes on HoldingsIntel.

Harvard Bioscience, Inc.

HBIO·416906105·US·equity·Healthcare - Medical Instruments & Supplies-Activist

HBIO (Harvard Bioscience, Inc.) is held by 38 institutional investors as of Q4 2025. Largest holders: VANGUARD GROUP INC ($1.3M), RENAISSANCE TECHNOLOGIES LLC ($683,006), TWO SIGMA INVESTMENTS, LP ($677,104). Net institutional sentiment: Bullish.

Holders

Avg rating(3 Elite)

$5.5M

Total Value

69% (39)

Fund Consensus

22 buying - 10 selling

Smart Money VerdictView all

55Mixed MomentumStrong Convergence

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See how HBIO's score breaks down across 4 SEC sources

Held by 38 funds

3 elite

Who's Trading

ActivistBroadOak Income Fund, L.P.15.3%Mar 23, 2026

13F: Dec 31, 2025Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VANGUARD GROUP INC	Increased	1.9M(+3.9%)	$1.3M	0.0%	-78.43%	18
RENAISSANCE TECHNOLOGIES LLC	Increased	1M(+17.6%)	$683,006	0.0%	-76.12%	29
TWO SIGMA INVESTMENTS, LP	Increased	1M(+113.5%)	$677,104	0.0%	-19.18%	40
TWO SIGMA ADVISERS, LP	Increased	878,556(+261.3%)	$587,578	0.0%	-13.06%	39
BlackRock, Inc.	Increased	622,296(+0.1%)	$416,191	0.0%	-71.75%	16
MILLENNIUM MANAGEMENT LLC	Decreased	546,067(-4.5%)	$365,210	0.0%	+23.91%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	460,793(+4.3%)	$308,248	0.0%	-86.82%	17
JANE STREET GROUP, LLC	Increased	415,159(+923.5%)	$277,658	0.0%	-16.15%	26
CITIGROUP INC	Increased	193,828(+127x)	$129,632	0.0%	-15.00%	36
STATE STREET CORP	Unchanged	149,352	$99,887	0.0%	-88.87%	0
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Increased	139,869(+65.8%)	$93,544	0.0%	-28.26%	22
Assenagon Asset Management S.A.	Decreased	139,218	$93,109	0.0%	-55.00%	0
Bank of New York Mellon Corp	Unchanged	126,223	$84,418	0.0%	-89.34%	0
NORTHERN TRUST CORP	Decreased	91,973(-36.6%)	$61,512	0.0%	-87.92%	0
Virtu Financial LLC	New	59,508	$40,000	0.0%	-13.64%	28
GAMCO INVESTORS, INC. ET AL	New	57,000	$38,122	0.0%	-13.64%	28
GOLDMAN SACHS GROUP INC	Increased	49,751(+291.9%)	$33,273	0.0%	-35.91%	22
CITADEL ADVISORS LLC	New	42,992	$28,753	0.0%	-13.64%	30
XTX Topco Ltd	New	39,349	$26,317	0.0%	-13.64%	27
GABELLI FUNDS LLC	Unchanged	39,000	$26,083	0.0%	-79.32%	0
FMR LLC	Decreased	32,899(-27.8%)	$22,003	0.0%	-6.17%	0
DIMENSIONAL FUND ADVISORS LP	Decreased	27,792(-94.4%)	$18,587	0.0%	-86.67%	0
GROUP ONE TRADING LLC	Increased	25,513(+1307.2%)	$17,063	0.0%	-12.42%	20
UBS Group AG	Increased	21,213(+59.8%)	$14,192	0.0%	-3.26%	18
Qube Research & Technologies Ltd	Decreased	17,029(-54.3%)	$11,389	0.0%	+23.91%	0
MORGAN STANLEY	Decreased	16,686(-0.1%)	$11,160	0.0%	-76.78%	0
Vanguard Personalized Indexing Management, LLC	New	16,542	$11,063	0.0%	-13.64%	24
Point72 Asset Management, L.P.	New	14,717	$9,843	0.0%	-13.64%	26
SIMPLEX TRADING, LLC	Increased	13,790(+401.6%)	$9,225	0.0%	-7.48%	18
ROYAL BANK OF CANADA	Decreased	4,795(-35.3%)	$3,000	0.0%	+20.38%	0
NISA INVESTMENT ADVISORS, LLC	Unchanged	2,289	$1,531	0.0%	-31.05%	0
JPMORGAN CHASE & CO	Increased	1,960(+19.7%)	$1,311	0.0%	+19.67%	9
FEDERATED HERMES, INC.	Unchanged	1,656	$1,108	0.0%	-6.56%	0
BNP PARIBAS FINANCIAL MARKETS	Unchanged	680	$455	0.0%	-86.16%	0
BANK OF AMERICA CORP /DE/	Increased	451(+2.0%)	$301	0.0%	-71.40%	8
PNC FINANCIAL SERVICES GROUP, INC.	Decreased	144(-98.1%)	$96	0.0%	-62.93%	0
BARCLAYS PLC	Increased	21(+2000.0%)	$14	0.0%	-27.46%	12
Optiver Holding B.V.	Unchanged	14	$9	0.0%	+29.55%	0
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	Exited	0(-100.0%)	$833	0.0%	+50.00%	0

Harvard Bioscience, Inc.

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