Definitive Healthcare Corp.

Exchange: Nasdaq
Industry: Services-Prepackaged Software
SEC CIK: 0001861795

SEC filings (opens in a new tab)

No open-market purchases or sales by Definitive Healthcare Corp. insiders were filed in the last 90 days; 101 institutions reported holding it in 13F filings for Q2 2026, worth $72.8M in total; no superinvestor holds it.

Q1 2026 vs. Q4 2025

How the institutions holding Definitive Healthcare Corp. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026 All holders in Q4 2025

13F holders of DH: Q4 2025 compared with Q1 2026
Measure	Q4 2025	Of which not filed for Q1 2026	Q1 2026	Change
Holders	124	2	121	−1
Shares	90.5M	2.53M	89.3M	+1.33M (+1.5%)
Value	$260.8M	$7.25M	$110.0M	−$143.6M (−56.6%)

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (25)

Institutions that held Definitive Healthcare Corp. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to DH in Q1 2026
Institution	Shares	Value	% of portfolio
Vanguard Capital Management LLC	1,866,329	$2.30M	0.00%
Vanguard Portfolio Management LLC	286,661	$352.6K	0.00%
Vanguard Fiduciary Trust Co	260,606	$320.5K	0.00%
Squarepoint Ops LLC	239,941	$295.1K	0.00%
Vanguard Global Advisers, LLC	92,959	$114.3K	0.00%
Flywheel Private Wealth LLC	67,743	$83.3K	0.05%
Irenic Capital Management LP	58,088	$71.4K	0.01%
Bridgeway Capital Management, LLC	44,200	$54.4K	0.00%
Nine Masts Capital Ltd	27,241	$33.5K	0.01%
Williams & Novak, LLC	30,730	$33.5K	0.03%
Centiva Capital, LP	25,476	$31.3K	0.00%
EP Wealth Advisors, LLC	25,182	$31.0K	0.00%
JustInvest LLC	19,475	$24.0K	0.00%
Mariner, LLC	15,241	$18.7K	0.00%
Abel Hall, LLC	14,621	$18.0K	0.00%
Mercer Global Advisors Inc	11,436	$14.1K	0.00%
UMA Financial Services, Inc.	952	$1.17K	0.00%
Advisory Services Network, LLC	661	$813	0.00%
Nisa Investment Advisors, LLC	297	$365	0.00%
Root Financial Partners, LLC	53	$65	0.00%
Transamerica Financial Advisors, Inc.	44	$54	0.00%
SJS Investment Consulting Inc.	3	$4	0.00%
Basecamp Wealth Advisors LLC	2	$2	0.00%
Caitong International Asset Management Co., Ltd	1	$1	0.00%
SRS Capital Advisors, Inc.	21	–	–

Sold out (26)

Institutions that held Definitive Healthcare Corp. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of DH in Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Verition Fund Management LLC	147,728	$424.0K
Two Sigma Advisers, LP	142,400	$408.7K
Walleye Capital LLC	113,900	$326.9K
Graham Capital Management, L.P.	85,677	$245.9K
Brevan Howard Capital Management LP	54,034	$155.1K
PharVision Advisers, LLC	41,769	$119.9K
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	34,934	$100.0K
Boothbay Fund Management, LLC	32,168	$92.3K
Jain Global LLC	26,197	$75.2K
Strengthening Families & Communities, LLC	20,519	$58.9K
Canada Pension Plan Investment Board	17,900	$51.4K
Prelude Capital Management, LLC	17,000	$48.8K
Intech Investment Management LLC	16,523	$47.4K
HRT Financial LP	16,651	$47.0K
ExodusPoint Capital Management, LP	16,360	$47.0K
State of Wyoming	16,342	$46.9K
SG Americas Securities, LLC	15,887	$46.0K
Cerity Partners LLC	12,189	$35.0K
Schonfeld Strategic Advisors LLC	12,058	$34.6K
Neuberger Berman Group LLC	10,217	$29.3K
Quarry LP	3,157	$9.06K
Group One Trading, L.P.	1,387	$3.98K
Amalgamated Bank	943	$3.00K
Umb Bank N A	841	$2.41K
Torren Management, LLC	135	$387
Northwestern Mutual Wealth Management Co	31	$89

Not filed for Q1 2026 yet (2)

Institutions that held Definitive Healthcare Corp. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding DH in Q4 2025 that haven't filed for Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Vanguard Group Inc	2,526,079	$7.25M
Comerica Bank	424	$1.22K