$DH

$1.11 +$0.02 (2.31%) Close

$DH Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 106.7M shares outstanding

Who owns DH?

By type of holder

Institutions 81.2% Insiders 0.0% Everyone else 18.8%

Concentration Top 10 holders own 94.4%

Advent International, L.P. 58.5% · Jason Ronald Krantz 21.1%

Institutional ownership

81.2%

-2.0 pts vs last qtr

Institutional holders

-20 vs last qtr

Net shares bought

−2.1M

by institutions in Q2 2026

New / sold out

17 / 37

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Kennedy Capital Management LLC NEW +1.7M
Corient Private Wealth LP NEW +454.5K

Biggest sellers in Q2 2026

BlackRock, Inc. −1.6M
Geode Capital Management, LLC −628.9K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Definitive Healthcare Corp in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2021–FY2025

+16.0%

+3.79% a year

Each share's claim on the business

−13.8%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$71.8M vs $162M

over 5 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years90% 1–3 years4% Under 1 year6%

Quarterly turnover

6.1%

of institutional shares changed hands

Top 10 managers, median time held

4.8 years

Super Investors

Investment managers reporting DH on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
AI Advent International, L.P. 13D · 58.5%	62.5M	58.54%	Unchanged	2021	0.3%
Shares held by quarter Peak holding62.5M (Q3'24) Change over 8 quarters0 Share of the company58.540% Disclosed stake13D · 58.5% Advent International, L.P.'s full portfolio →
GS Goldman Sachs Group Inc	6.0M	5.58%	−84.8K (−1.4%)	2021	0.0%
Shares held by quarter Peak holding8.7M (Q2'25) Change over 8 quarters+4.9M Share of the company5.580% Goldman Sachs Group Inc's full portfolio →

Advent International, L.P.

13D · 58.5%

62.5M

% of company

58.54%

Change vs last qtr

Unchanged

Held since

2021

Goldman Sachs Group Inc

6.0M

% of company

5.58%

Change vs last qtr

−84.8K (−1.4%)

Held since

2021

28 more super investors behind a free account

See every manager holding Definitive Healthcare Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting DH on Form N-PORT; together they hold 7.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$1.1M	1.3M	1.24%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$979K	796.3K	0.75%	0.00%	March 31, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$1.1M

% of company

1.24%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$979K

% of company

0.75%

% of the fund

0.00%

As of

March 31, 2026

23 more funds behind a free account

See every fund holding Definitive Healthcare Corp and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
JR Jason Ronald Krantz 5%+ holder 13D · 17.6%	22.5M	21.08%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company21.080% Disclosed stake13D · 17.6% View the 13D/G filing →

Jason Ronald Krantz

5%+ holder13D · 17.6%

22.5M

% of company

21.08%

Change vs last qtr

—

Held since

—

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