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Livermore
Livermore
ZHEN

Definitive Healthcare Corp.

DH
Exchange
Nasdaq
Industry
Services-Prepackaged Software
SEC CIK
0001861795

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.

13F holders, Q1 2026

Institutional positions in Definitive Healthcare Corp. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
121
−1 vs. Q4 2025
Shares held
89.3M
+1.33M (+1.5%) vs. Q4 2025
Total value
$110.0M
−$143.6M (−56.6%) vs. Q4 2025
New holders
25
41 more added
Sold out
26
35 more reduced

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting DH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 121 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 76 institutionsQ4 2021: 92 institutionsQ1 2022: 95 institutionsQ2 2022: 117 institutionsQ3 2022: 124 institutionsQ4 2022: 137 institutionsQ1 2023: 145 institutionsQ2 2023: 137 institutionsQ3 2023: 134 institutionsQ4 2023: 138 institutionsQ1 2024: 143 institutionsQ2 2024: 144 institutionsQ3 2024: 125 institutionsQ4 2024: 128 institutionsQ1 2025: 136 institutionsQ2 2025: 122 institutionsQ3 2025: 129 institutionsQ4 2025: 124 institutionsQ1 2026: 121 institutionsQ2 2026: 101 institutions
Value heldQ1 2026: $110.0M
Q1 2021: $0Q2 2021: $0Q3 2021: $3.57BQ4 2021: $2.65BQ1 2022: $2.43BQ2 2022: $2.39BQ3 2022: $1.69BQ4 2022: $1.19BQ1 2023: $1.17BQ2 2023: $1.29BQ3 2023: $948.4MQ4 2023: $1.14BQ1 2024: $929.4MQ2 2024: $612.9MQ3 2024: $474.6MQ4 2024: $431.6MQ1 2025: $295.4MQ2 2025: $382.2MQ3 2025: $387.8MQ4 2025: $260.8MQ1 2026: $110.0MQ2 2026: $72.8M
Institutions holding DH and their total value by quarter
QuarterHoldersValue
Q2 2026101$72.8M
Q1 2026121$110.0M
Q4 2025124$260.8M
Q3 2025129$387.8M
Q2 2025122$382.2M
Q1 2025136$295.4M
Q4 2024128$431.6M
Q3 2024125$474.6M
Q2 2024144$612.9M
Q1 2024143$929.4M
Q4 2023138$1.14B
Q3 2023134$948.4M
Q2 2023137$1.29B
Q1 2023145$1.17B
Q4 2022137$1.19B
Q3 2022124$1.69B
Q2 2022117$2.39B
Q1 202295$2.43B
Q4 202192$2.65B
Q3 202176$3.57B
Q2 20210$0
Q1 20210$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Definitive Healthcare Corp.; share changes are against Q4 2025.

Institutions holding DH in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Advent International Corp62,493,676$76.9M1.81%00.0%Unchanged
Goldman Sachs Group Inc6,043,900$7.43M0.00%+101,949+1.7%Added
BlackRock, Inc.2,985,567$3.67M0.00%+80,879+2.8%Added
D. E. Shaw & Co., Inc.2,099,551$2.58M0.00%+31,863+1.5%Added
Vanguard Capital Management LLC1,866,329$2.30M0.00%+1,866,329New
Dimensional Fund Advisors LP1,666,369$2.05M0.00%−251,434−13.1%Reduced
Geode Capital Management, LLC1,179,694$1.45M0.00%+206,690+21.2%Added
State Street Corp856,178$1.05M0.00%−122,505−12.5%Reduced
AQR Capital Management LLC702,023$863.5K0.00%+138,336+24.5%Added
Millennium Management LLC590,382$726.2K0.00%+258,295+77.8%Added
Renaissance Technologies LLC511,140$628.7K0.00%−16,500−3.1%Reduced
CWM Advisors, LLC468,181$575.9K0.03%−230,786−33.0%Reduced
Northern Trust Corp435,884$536.1K0.00%+612+0.1%Added
Citadel Advisors LLC433,408$533.1K0.00%+143,108+49.3%Added
Arrowstreet Capital, Limited Partnership428,942$527.6K0.00%−272,695−38.9%Reduced
Morgan Stanley424,301$521.9K0.00%−699,345−62.2%Reduced
Gsa Capital Partners LLP335,697$413.0K0.03%+96,922+40.6%Added
Barclays PLC326,480$401.6K0.00%+98,131+43.0%Added
Jacobs Levy Equity Management, Inc299,473$368.4K0.00%+104,355+53.5%Added
Alliancebernstein L.P.123,390$354.1K0.00%00.0%Unchanged
Vanguard Portfolio Management LLC286,661$352.6K0.00%+286,661New
Vanguard Fiduciary Trust Co260,606$320.5K0.00%+260,606New
Pinnacle Associates Ltd260,000$319.8K0.00%−120.0%Reduced
Pinnacle Wealth Management Advisory Group, LLC260,000$319.8K0.02%−120.0%Reduced
Charles Schwab Investment Management Inc249,650$307.1K0.00%−109,273−30.4%Reduced
Squarepoint Ops LLC239,941$295.1K0.00%+239,941New
Clark Estates Inc239,630$294.7K0.07%00.0%Unchanged
Two Sigma Investments, LP233,581$287.3K0.00%+95,757+69.5%Added
Acadian Asset Management LLC203,322$249.0K0.00%+192,498+1,778.4%Added
Bank of New York Mellon Corp194,849$239.7K0.00%−21,365−9.9%Reduced
Tocqueville Asset Management L.P.165,000$202.9K0.00%00.0%Unchanged
Stifel Financial Corp164,146$201.9K0.00%+58,199+54.9%Added
Invesco Ltd.121,558$149.5K0.00%+4,131+3.5%Added
Cambria Investment Management, L.P.117,196$144.2K0.01%+45,075+62.5%Added
Panagora Asset Management Inc114,580$140.9K0.00%+1,196+1.1%Added
The PNC Financial Services Group, Inc.93,219$114.7K0.00%+10,033+12.1%Added
Vanguard Global Advisers, LLC92,959$114.3K0.00%+92,959New
Deutsche Bank AG90,265$111.0K0.00%+54,700+153.8%Added
UBS Group AG77,620$95.5K0.00%−249,310−76.3%Reduced
Hillsdale Investment Management Inc.75,300$92.6K0.00%00.0%Unchanged
Marshall Wace, LLP73,519$90.4K0.00%−79,919−52.1%Reduced
Flywheel Private Wealth LLC67,743$83.3K0.05%+67,743New
Nuveen, LLC67,607$83.2K0.00%00.0%Unchanged
Algert Global LLC61,758$76.0K0.00%+11,510+22.9%Added
Baker Tilly Wealth Management, LLC60,080$73.9K0.02%00.0%Unchanged
Irenic Capital Management LP58,088$71.4K0.01%+58,088New
Ieq Capital, LLC55,063$67.7K0.00%+7,378+15.5%Added
Rhumbline Advisers51,986$63.9K0.00%−2,710−5.0%Reduced
Valeo Financial Advisors, LLC51,582$63.4K0.00%00.0%Unchanged
Jefferies Financial Group Inc.50,000$61.5K0.00%00.0%Unchanged
Bank of America Corp45,513$56.0K0.00%−28,641−38.6%Reduced
Bridgeway Capital Management, LLC44,200$54.4K0.00%+44,200New
Hennion & Walsh Asset Management, Inc.43,455$53.5K0.00%−752−1.7%Reduced
Russell Investments Group, Ltd.41,529$51.1K0.00%+4,983+13.6%Added
Jane Street Group, LLC41,225$50.7K0.00%−217,808−84.1%Reduced
Connor, Clark & Lunn Investment Management Ltd.37,142$45.7K0.00%−183,843−83.2%Reduced
Engineers Gate Manager LP36,963$45.5K0.00%+10,562+40.0%Added
Ameriprise Financial Inc31,426$38.7K0.00%+12,526+66.3%Added
Nine Masts Capital Ltd27,241$33.5K0.01%+27,241New
Williams & Novak, LLC30,730$33.5K0.03%+30,730New
American Century Companies Inc26,904$33.1K0.00%−256−0.9%Reduced
CWM, LLC26,438$32.5K0.00%+10,863+69.7%Added
Centiva Capital, LP25,476$31.3K0.00%+25,476New
FMR LLC25,443$31.3K0.00%+20,041+371.0%Added
EP Wealth Advisors, LLC25,182$31.0K0.00%+25,182New
XTX Topco Ltd23,507$28.9K0.00%−51,799−68.8%Reduced
Point72 Asset Management, L.P.21,709$26.7K0.00%−39,440−64.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.21,588$26.6K0.00%+1,136+5.6%Added
Price T Rowe Associates Inc18,961$24.0K0.00%00.0%Unchanged
JustInvest LLC19,475$24.0K0.00%+19,475New
Occudo Quantitative Strategies LP23,716$22.6K0.00%−9,458−28.5%Reduced
M&T Bank Corp17,111$21.0K0.00%00.0%Unchanged
New York State Common Retirement Fund17,102$21.0K0.00%00.0%Unchanged
Mariner, LLC15,241$18.7K0.00%+15,241New
Public Employees Retirement System of Ohio15,000$18.4K0.00%+7,200+92.3%Added
Abel Hall, LLC14,621$18.0K0.00%+14,621New
Susquehanna International Group, LLP13,635$16.8K0.00%−31,355−69.7%Reduced
Tower Research Capital LLC (TRC)12,737$15.7K0.00%+8,597+207.7%Added
Wealth Enhancement Advisory Services, LLC14,101$15.2K0.00%+1,951+16.1%Added
JPMorgan Chase & Co12,462$14.5K0.00%+214+1.7%Added
Mercer Global Advisors Inc11,436$14.1K0.00%+11,436New
Wells Fargo & Company11,346$14.0K0.00%−22,318−66.3%Reduced
State of Alaska, Department of Revenue11,433$13.0K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey10,394$12.8K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.8,634$10.6K0.00%+6,253+262.6%Added
Meeder Asset Management Inc7,001$8.61K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA6,573$8.09K0.00%−10,264−61.0%Reduced
Ameritas Investment Partners, Inc.4,806$5.91K0.00%00.0%Unchanged
Legal & General Group Plc3,253$4.00K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.2,360$2.90K0.00%−100−4.1%Reduced
Citigroup Inc1,919$2.36K0.00%−67,304−97.2%Reduced
California State Teachers Retirement System1,623$2.00K0.00%−215−11.7%Reduced
EverSource Wealth Advisors, LLC1,204$1.48K0.00%+652+118.1%Added
Sterling Capital Management LLC994$1.22K0.00%−736−42.5%Reduced
UMA Financial Services, Inc.952$1.17K0.00%+952New
Advisors Asset Management, Inc.898$1.10K0.00%00.0%Unchanged
Allworth Financial LP876$1.08K0.00%+772+742.3%Added
Essential Partners LLC681$8380.00%−395−36.7%Reduced
Advisory Services Network, LLC661$8130.00%+661New
SBI Securities Co., Ltd.503$6190.00%+89+21.5%Added