Definitive Healthcare Corp. - Class A Common Stock, par value $0.001 per share (DH) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2021 to Q4 2025

Type / Class
Equity / Class A Common Stock, par value $0.001 per share
Symbol
DH on Nasdaq
Shares outstanding
104,139,175
Price per share
$2.87
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
22,194,803
Total reported value
$63,694,201
% of total 13F portfolios
0%
Share change
-3,782,072
Value change
-$11,334,955
Number of holders
80
Price from insider filings
$2.87
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Definitive Healthcare Corp. - Class A Common Stock, par value $0.001 per share (DH) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
ADVENT INTERNATIONAL, L.P. 55% $163,069,593 58,869,889 ADVENT INTERNATIONAL, L.P. 31 Mar 2025
Krantz Jason Ronald 17% $61,381,713 22,159,463 Jason Ronald Krantz 31 Mar 2025
GOLDMAN SACHS GROUP INC 5.7% -25% $17,036,128 -$7,967,014 5,935,933 -32% THE GOLDMAN SACHS GROUP, INC. 31 Dec 2025
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 4.3% $13,746,815 4,962,749 Massachusetts Financial Services Company 31 Dec 2024

As of 31 Dec 2025, 80 institutional investors reported holding 22,194,803 shares of Definitive Healthcare Corp. - Class A Common Stock, par value $0.001 per share (DH). This represents 21% of the company’s total 104,139,175 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Definitive Healthcare Corp. - Class A Common Stock, par value $0.001 per share (DH) together control 20% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
GOLDMAN SACHS GROUP INC 5.7% 5,941,951 -19% 0% $17,053,399
BlackRock, Inc. 2.8% 2,904,688 -7% 0% $8,336,455
VANGUARD GROUP INC 2.4% 2,526,079 -8.8% 0% $7,249,846
DIMENSIONAL FUND ADVISORS LP 1.8% 1,917,803 -7.5% 0% $5,503,439
MORGAN STANLEY 1.1% 1,123,646 -20% 0% $3,224,864
STATE STREET CORP 0.94% 978,683 -17% 0% $2,808,820
GEODE CAPITAL MANAGEMENT, LLC 0.93% 973,004 -8% 0% $2,793,518
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.67% 701,637 -42% 0% $2,013,698
RENAISSANCE TECHNOLOGIES LLC 0.51% 527,640 -21% 0% $1,514,327
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.34% 358,923 -4.2% 0% $1,030,109
UBS Group AG 0.31% 326,930 -13% 0% $938,289
PINNACLE ASSOCIATES LTD 0.25% 260,012 +100% 0.01% $746,234
Pinnacle Wealth Management Advisory Group, LLC 0.25% 260,012 +100% 0.05% $746,234
JANE STREET GROUP, LLC 0.25% 259,033 -20% 0% $743,425
CLARK ESTATES INC/NY 0.23% 239,630 0% 0.17% $687,738
GSA CAPITAL PARTNERS LLP 0.23% 238,775 0.06% $685,000
BARCLAYS PLC 0.22% 228,349 +353% 0% $655,362
Connor, Clark & Lunn Investment Management Ltd. 0.21% 220,985 -13% 0% $634,227
Bank of New York Mellon Corp 0.21% 216,214 +7.8% 0% $620,534
JACOBS LEVY EQUITY MANAGEMENT, INC 0.19% 195,118 0% $559,989
TOCQUEVILLE ASSET MANAGEMENT L.P. 0.16% 165,000 -23% 0.01% $473,550
MARSHALL WACE, LLP 0.15% 153,438 +665% 0% $440,368
Verition Fund Management LLC 0.14% 147,728 -0.68% 0% $423,979
Walleye Capital LLC 0.11% 113,900 0% $326,893
PANAGORA ASSET MANAGEMENT INC 0.11% 113,384 +0.05% 0% $325,412

Institutional Holders of Definitive Healthcare Corp. - Class A Common Stock, par value $0.001 per share (DH) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 22,194,803 $63,694,201 -$11,334,955 $2.87 80
2025 Q3 95,534,543 $387,822,392 -$9,933,596 $4.06 127
2025 Q2 97,972,684 $382,095,091 -$10,879,378 $3.90 120
2025 Q1 102,223,415 $295,430,701 -$19,223,412 $2.89 135
2024 Q4 105,002,680 $431,561,963 -$4,204,709 $4.11 127
2024 Q3 105,482,311 $471,507,498 -$38,682,283 $4.47 123
2024 Q2 112,234,896 $612,700,742 -$45,797,075 $5.46 141
2024 Q1 114,517,287 $924,031,994 -$3,597,464 $8.07 140
2023 Q4 114,820,420 $1,141,311,429 -$35,980,176 $9.94 136
2023 Q3 118,669,856 $948,162,108 +$8,152,353 $7.99 129
2023 Q2 117,350,923 $1,290,775,978 +$47,553,075 $11.00 134
2023 Q1 113,324,502 $1,170,641,715 +$50,921,386 $10.33 139
2022 Q4 108,510,002 $1,192,966,935 +$5,165,920 $10.99 131
2022 Q3 108,840,769 $1,691,286,496 +$41,279,273 $15.54 117
2022 Q2 104,223,018 $2,390,143,225 +$129,457,966 $22.93 112
2022 Q1 98,638,271 $2,431,387,918 +$31,628,129 $24.65 89
2021 Q4 96,994,684 $2,650,863,189 +$260,081,912 $27.33 89
2021 Q3 83,307,058 $3,568,038,000 +$3,568,037,991 $42.83 76