Definitive Healthcare DH Institutional Ownership

NASDAQ DH

$1.10 +0.10 (+10.00%)

At close: Oct 19, 2026 · 4:00 PM EDT

Institutions by Trading Activity

99 Institutions

Increased 57 57.6%

Unchanged 10 10.1%

Reduced 32 32.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

81.92%

▼-0.52 pp QoQ

Shares Held by Institutions

86.68Mn

of 105.81Mn outstanding

▲+0.44% QoQ

Shares Outstanding

105.81Mn

19.13Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▼-16 vs prior quarter

Net Shares Added (QoQ)

+382.57K

accumulated since last quarter

Value of Holdings

$86.68Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Definitive Healthcare Corp. (NASDAQ:DH) counted 99 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

These investors held 81.92% of Definitive Healthcare's outstanding shares at the end of Q2 2026, down from 82.44% in Q1 2026.
Total shares held in DH rose 0.44% from Q1 2026; the number of holders fell 16.81% from Q2 2025.
Among the 99 holders of Definitive Healthcare, 57 added to their positions, 32 reduced their stakes and 10 left their positions unchanged.
Combined, institutional investors held 86.68Mn shares of DH as of Q2 2026, up 382.57K from the prior quarter and down 9.41Mn from a year earlier.
As of June 30, 2026, Advent International, L.P. held the largest stake in Definitive Healthcare with 62.49Mn shares, or 59.06% of shares outstanding.
The biggest increases in DH positions during Q2 2026 came from Two Sigma Investments, LP (+275.75K shares), Acadian Asset Management LLC (+245.31K shares), AQR Capital Management LLC (+197.11K shares), GSA Capital Partners LLP (+190.2K shares) and Jacobs Levy Equity Management, Inc (+173.24K shares).
Among holders that kept a stake in Definitive Healthcare, the biggest sellers in Q2 2026 were BlackRock, Inc. (-1.58Mn shares), Geode Capital Management, LLC (-628.94K shares), State Street Corp (-614.51K shares), Northern Trust Corp (-331.56K shares) and Millennium Management LLC (-314.49K shares).
Per Business Quant data, the 10 largest holders of Definitive Healthcare at the end of Q2 2026 were Advent International, L.P. (62.49Mn shares), Goldman Sachs Group Inc (5.96Mn shares), D. E. Shaw & Co., Inc. (1.97Mn shares), Vanguard Capital Management LLC (1.83Mn shares), Kennedy Capital Management LLC (1.74Mn shares), Dimensional Fund Advisors LP (1.45Mn shares), BlackRock, Inc. (1.41Mn shares), AQR Capital Management LLC (899.13K shares), Geode Capital Management, LLC (550.75K shares) and GSA Capital Partners LLP (525.9K shares).

Form 13F Holdings

99 Institutional Holders

Report period 30 Jun, 2026

Total shares held 86.68Mn

Of outstanding 81.92%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	ADVENT INTERNATIONAL, L.P.	0001034196	62,493,676	59.06%	0	0.00%	$51.93Mn
2	Goldman Sachs Group Inc	0000886982	5,959,143	5.63%	▼84,757	-1.40%	$4.95Mn
3	D. E. Shaw & Co., Inc.	0001009207	1,973,193	1.86%	▼126,358	-6.02%	$1.64Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,829,463	1.73%	▲1,829,463	0.00%	$1.52Mn
5	KENNEDY CAPITAL MANAGEMENT LLC	0000884589	1,737,044	1.64%	▲1,737,044	0.00%	$1.44Mn
6	DIMENSIONAL FUND ADVISORS LP	0000354204	1,453,209	1.37%	▼213,160	-12.79%	$1.21Mn
7	BlackRock, Inc.	0002012383	1,408,621	1.33%	▼1,576,946	-52.82%	$1.17Mn
8	AQR CAPITAL MANAGEMENT LLC	0001167557	899,132	0.85%	▲197,109	+28.08%	$747.09K
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	550,753	0.52%	▼628,941	-53.31%	$457.94K
10	GSA CAPITAL PARTNERS LLP	0001362033	525,896	0.50%	▲190,199	+56.66%	$437
11	RENAISSANCE TECHNOLOGIES LLC	0001037389	525,040	0.50%	▲13,900	+2.72%	$436.26K
12	TWO SIGMA INVESTMENTS, LP	0001179392	509,328	0.48%	▲275,747	+118.05%	$423.20K
13	JACOBS LEVY EQUITY MANAGEMENT, INC	0000884414	472,710	0.45%	▲173,237	+57.85%	$392.78K
14	Corient Private Wealth LP	0001948780	450,036	0.43%	▲450,036	0.00%	$373.94K
15	ACADIAN ASSET MANAGEMENT LLC	0000916542	448,629	0.42%	▲245,307	+120.65%	$368
16	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	404,124	0.38%	▼24,818	-5.79%	$335.79K
17	Squarepoint Ops LLC	0001642575	351,575	0.33%	▲111,634	+46.53%	$292.12K
18	Barclays Plc	0000312069	323,670	0.31%	▼2,810	-0.86%	$268.94K
19	MILLENNIUM MANAGEMENT LLC	0001273087	275,896	0.26%	▼314,486	-53.27%	$229.24K
20	PINNACLE ASSOCIATES LTD	0000743127	260,037	0.25%	▲37	+0.01%	$216.07K

Showing 1 to 20 of 99 holders