Definitive Healthcare Corp.

DH • NASDAQ

Definitive Healthcare Corp. is a medical - healthcare information services company in the healthcare sector on NASDAQ, led by Kevin Coop, with a market cap of $238.6M. As of Q3 2025, 92% of shares are held by 128 institutional investors, with ADVENT INTERNATIONAL CORP/MA as the largest holder at 60.04%.

CEOKevin Coop

Market Cap$238.6M

Medical - Healthcare Information Services

Healthcare

Employees950.0

Websitedefinitivehc.com

Country

United States of America

Overview

Overview of institutional ownership in DH as of Q3 2025 with a market cap of $422.6M

All Institutions

Institutions: 128
Value Held: $387.9M
Shares Held: 95.5M
Avg Position: $3.0M
Median Position: $109.8K

Hedge Funds

Hedge Funds: 15
Value Held: $12.9M
Shares Held: 3.2M
Avg Position: $860.9K
Median Position: $404.0K

Ownership Breakdown

Institutional (non-HF)

88.72%

$374.9M

Hedge Funds

3.06%

$12.9M

Retail & Other

8.22%

$34.7M

Based on market cap of $422.6M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in DH as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
ADVENT INTERNATIONAL CORP/MA Private Equity	Susan Anne Gentile CFO	$253.7M 5.11% of portfolio	60.04% 62.5M shares	Q3 2021 Held for 4y 2m	$5.0B
GOLDMAN SACHS GROUP INC Institution	David M. Solomon CEO	$29.7M 0.00% of portfolio	7.02% 7.3M shares	Q3 2021 Held for 4y 2m	$691.34B
B BlackRock, Inc. Institution	-	$12.7M 0.00% of portfolio	3.00% 3.1M shares	Q3 2021 Held for 4y 2m	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$11.2M 0.00% of portfolio	2.66% 2.8M shares	Q3 2021 Held for 4y 2m	$6.69T
PALISADE CAPITAL MANAGEMENT LLC/NJ Long Only Manager	Alison Anne Berman CEO	$8.7M 0.27% of portfolio	2.06% 2.1M shares	Q2 2023 Held for 2y 5m	$3.3B
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$8.4M 0.00% of portfolio	1.99% 2.1M shares	Q4 2022 Held for 2y 11m	$466.32B
D D. E. Shaw & Co., Inc. Institution	-	$7.3M 0.01% of portfolio	1.73% 1.8M shares	Q4 2022 Held for 2y 11m	$115.81B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$5.7M 0.00% of portfolio	1.34% 1.4M shares	Q3 2021 Held for 4y 2m	$1.65T
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	Anthony Ryan CEO	$4.9M 0.00% of portfolio	1.17% 1.2M shares	Q2 2025 Held for 5 months	$158.92B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$4.8M 0.00% of portfolio	1.13% 1.2M shares	Q4 2021 Held for 3y 11m	$2.88T

Net Capital Flow

Institutional buying and selling activity for DH in Q3 2025

Traded: −$9.6M
Buyers: 49
Sellers: 74
Total Bought: +$7.9M
Total Sold: −$17.5M
Avg Position: $2.7M

Biggest Buyers

Institution	Net Bought	Current Position
C CI Private Wealth, LLC RIA/Wealth	+$1.8M +450.0K shares	$1.8M 450.0K shares
D D. E. Shaw & Co., Inc. Institution	+$1.6M +394.9K shares	$7.3M 1.8M shares
CITIGROUP INC Institution	+$646.3K +159.2K shares	$1.2M 289.1K shares
NORTHERN TRUST CORP Institution	+$590.3K +145.4K shares	$2.0M 490.9K shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	+$515.8K +127.1K shares	$4.9M 1.2M shares
CWM Advisors, LLC ETF Provider	+$468.5K +115.4K shares	$468.5K 115.4K shares
Hillsdale Investment Management Inc. Long Only Manager	+$305.7K +75.3K shares	$305.7K 75.3K shares
R Russell Investments Group, Ltd. RIA/Wealth	+$155.1K +38.2K shares	$155.1K 38.2K shares
Invesco Ltd. ETF Provider	+$154.8K +38.1K shares	$450.8K 111.0K shares
Round Rock Advisors, LLC RIA/Wealth	+$147.0K +36.2K shares	$147.0K 36.2K shares

Biggest Sellers

Institution	Net Sold	Current Position
GOLDMAN SACHS GROUP INC Institution	−$5.8M −1.4M shares	$29.7M 7.3M shares
BANK OF AMERICA CORP /DE/ Institution	−$1.5M −358.5K shares	$1.7M 410.9K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	−$1.3M −333.1K shares	Sold Off 0 shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$643.2K −158.4K shares	$407.4K 100.3K shares
VANGUARD GROUP INC Institution	−$624.5K −153.8K shares	$11.2M 2.8M shares
MORGAN STANLEY RIA/Wealth	−$618.7K −152.4K shares	$5.7M 1.4M shares
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	−$577.0K −148.0K shares	Sold Off 0 shares
Marshall Wace LLP Institution	−$553.9K −136.4K shares	$81.5K 20.1K shares
Connor, Clark & Lunn Investment Management Ltd. Long Only Manager	−$429.6K −105.8K shares	$1.0M 255.2K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	−$415.2K −102.3K shares	$62.4K 15.4K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited DH in Q3 2025

New Positions: 13
New Value: $3.3M
Exited Positions: 17
Exited Value: $3.2M

New Positions

Institution	Position Value
C CI Private Wealth, LLC RIA/Wealth	$1.8M 450.0K shares
CWM Advisors, LLC ETF Provider	$468.5K 115.4K shares
Hillsdale Investment Management Inc. Long Only Manager	$305.7K 75.3K shares
Round Rock Advisors, LLC RIA/Wealth	$147.0K 36.2K shares
Cambria Investment Management, L.P. ETF Provider	$145.4K 35.8K shares
Glenmede Investment Management, LP Long Only Manager	$125.9K 31.0K shares
P PharVision Advisers, LLC Hedge Fund•Long/Short	$120.0K 29.6K shares
A AMERICAN CENTURY COMPANIES INC Institution	$113.2K 27.9K shares
A Ariadne Wealth Management, LP RIA/Wealth	$36.3K 13.4K shares
S State of Alaska, Department of Revenue Institution	$22.2K 5.5K shares

Exited Positions

Institution	Previous Position
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$1.3M 333.1K shares
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$577.0K 148.0K shares
A AXA Institution	$288.3K 73.9K shares
ExodusPoint Capital Management, LP Hedge Fund•Multi-Strategy	$281.7K 72.2K shares
Jain Global LLC Hedge Fund•Multi-Strategy	$160.7K 41.2K shares
P Petrus Trust Company, LTA Institution	$96.6K 24.8K shares
Q Quadrature Capital Ltd Institution	$86.6K 22.2K shares
S Squarepoint Ops LLC Hedge Fund•Quant	$84.5K 21.7K shares
B Bayesian Capital Management, LP Hedge Fund•Quant	$55.0K 14.1K shares
ING INVESTMENT MANAGEMENT LLC Insurance Manager	$52.8K 13.5K shares

Options Activity

Institutions with the largest Call and Put options positions in DH as of Q3 2025

Call Positions: 1
Call Value: $49.9K
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$49.9K 123.0 contracts

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with DH as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
ADVENT INTERNATIONAL CORP/MA Private Equity	Susan Anne Gentile CFO	5.11% $253.7M	60.04% 62.5M shares	Q3 2021 Held for 4y 2m	$5.0B
PALISADE CAPITAL MANAGEMENT LLC/NJ Long Only Manager	Alison Anne Berman CEO	0.27% $8.7M	2.06% 2.1M shares	Q2 2023 Held for 2y 5m	$3.3B
C CLARK ESTATES INC/NY Institution	-	0.23% $972.9K	0.23% 239.6K shares	Q2 2024 Held for 1y 5m	$421.5M
P PharVision Advisers, LLC Hedge Fund•Long/Short	Blagovest Dimitrov Baychev CEO	0.07% $120.0K	0.03% 29.6K shares	Q3 2025 Held for 2 months	$176.9M
BAKER TILLY FINANCIAL, LLC RIA/Wealth	Theresa Meiners President	0.06% $243.9K	0.06% 60.1K shares	Q3 2023 Held for 2y 2m	$442.8M
CWM Advisors, LLC ETF Provider	Robert John Netzly CEO	0.05% $468.5K	0.11% 115.4K shares	Q3 2025 Held for 2 months	$1.0B
S State of Wyoming Institution	-	0.04% $375.8K	0.09% 92.6K shares	Q1 2024 Held for 1y 8m	$879.7M
Pinnacle Wealth Management Advisory Group, LLC RIA/Wealth	James F Ferrare Managing Partner	0.04% $527.8K	0.12% 130.0K shares	Q1 2025 Held for 8 months	$1.3B
Round Rock Advisors, LLC RIA/Wealth	Bert Thomas Bowler Managing Partner	0.02% $147.0K	0.03% 36.2K shares	Q3 2025 Held for 2 months	$631.2M
Heron Bay Capital Management RIA/Wealth	Paul Clark Seizert Managing Partner	0.02% $109.5K	0.03% 27.0K shares	Q4 2024 Held for 11 months	$535.8M