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Definitive Healthcare Corp.

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Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.

Definitive Healthcare Corp.

CIK 0001861795DH· quarter ending 2026-06-30
Shares outstanding
106,744,713
as of 2026-08-06 · 10-Q cover page, filed 2026-08-10
Held by 13F filers
86,674,594
81.2% of shares outstanding
Holders
99
-20 vs 2026-03-31 · 17 new, 37 exited
Value
$72.0M
shares -2.4% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-08-10, as of 2026-08-06)

ClassListedShares outstandingHeld by 13F filers% of classHoldersCUSIP
Common stockDH · NASDAQ106,744,71386,674,59481.2%9924477E103

Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.

Securities (CUSIPs held in 13F this quarter)

tick to combine
CountCUSIPClass (as filers write it)HoldersShares heldClass shares% of classValueOptionsMapped via
24477E103CLASS A COM9986,674,594106,744,71381.2%$72.0M—13DGholders →

Totals combine the ticked CUSIPs and update as you tick: common-stock classes by default; preferreds, notes, warrants and depositary shares are listed but not counted. "holders →" shows a single CUSIP on its own. Bonds are held as a principal amount, not shares. Options positions are never counted as holdings.

Top holders (99 of 99 · 24477E103)

change vs 2026-03-31
#FilerShares% of classValueChange
1Advent International, L.P.62,493,67658.54%$51.9M—
2GOLDMAN SACHS GROUP INC5,959,1435.58%$5.0M-84,757 (-1.4%)
3D. E. Shaw & Co., Inc.1,973,1931.85%$1.6M-126,358 (-6.0%)
4VANGUARD CAPITAL MANAGEMENT LLC1,829,4631.71%$1.5M-36,866 (-2.0%)
5KENNEDY CAPITAL MANAGEMENT LLC1,737,0441.63%$1.4MNEW
6DIMENSIONAL FUND ADVISORS LP1,453,2091.36%$1.2M-213,160 (-12.8%)
7BlackRock, Inc.1,408,6211.32%$1.2M-1,576,946 (-52.8%)
8AQR CAPITAL MANAGEMENT LLC899,1320.84%$747K+197,109 (+28.1%)
9GEODE CAPITAL MANAGEMENT, LLC550,7530.52%$458K-628,941 (-53.3%)
10GSA CAPITAL PARTNERS LLP525,8960.49%$437K+190,199 (+56.7%)
11RENAISSANCE TECHNOLOGIES LLC525,0400.49%$436K+13,900 (+2.7%)
12TWO SIGMA INVESTMENTS, LP509,3280.48%$423K+275,747 (+118.1%)
13JACOBS LEVY EQUITY MANAGEMENT, INC472,7100.44%$393K+173,237 (+57.8%)
14Corient Private Wealth LP454,4860.43%$378KNEW
15ACADIAN ASSET MANAGEMENT LLC448,6290.42%$368K+245,307 (+120.6%)
16ARROWSTREET CAPITAL, LIMITED PARTNERSHIP404,1240.38%$336K-24,818 (-5.8%)
17Squarepoint Ops LLC351,5750.33%$292K+111,634 (+46.5%)
18BARCLAYS PLC323,6700.30%$269K-2,810 (-0.9%)
19MILLENNIUM MANAGEMENT LLC275,8960.26%$229K-314,486 (-53.3%)
20PINNACLE ASSOCIATES LTD260,0370.24%$216K+37 (+0.0%)
21Pinnacle Wealth Management Advisory Group, LLC260,0370.24%$216K+37 (+0.0%)
22MORGAN STANLEY254,1490.24%$211K-170,152 (-40.1%)
23VANGUARD FIDUCIARY TRUST CO250,5450.23%$208K-10,061 (-3.9%)
24STATE STREET CORP241,6710.23%$201K-614,507 (-71.8%)
25CHARLES SCHWAB INVESTMENT MANAGEMENT INC201,9010.19%$168K-47,749 (-19.1%)
26SEI INVESTMENTS CO181,5350.17%$151KNEW
27CITADEL ADVISORS LLC166,2910.16%$138K-267,117 (-61.6%)
28TOCQUEVILLE ASSET MANAGEMENT L.P.165,0000.15%$137K—
29MARSHALL WACE, LLP163,9810.15%$136K+90,462 (+123.0%)
30XTX Topco Ltd135,3700.13%$112K+111,863 (+475.9%)
31Invesco Ltd.107,7290.10%$90K-13,829 (-11.4%)
32NORTHERN TRUST CORP104,3270.10%$87K-331,557 (-76.1%)
33IEQ CAPITAL, LLC101,2400.09%$84K+46,177 (+83.9%)
34BRIDGEWAY CAPITAL MANAGEMENT, LLC94,2000.09%$78K+50,000 (+113.1%)
35PNC Financial Services Group, Inc.93,0780.09%$77K-141 (-0.2%)
36Bank of New York Mellon Corp81,4870.08%$68K-113,362 (-58.2%)
37Williams & Novak, LLC78,6100.07%$65K+47,880 (+155.8%)
38CITIGROUP INC77,2670.07%$64K+75,348 (+3926.4%)
39JANE STREET GROUP, LLC69,3440.06%$58K+28,119 (+68.2%)
40Flywheel Private Wealth LLC67,7430.06%$56K—
41BAKER TILLY WEALTH MANAGEMENT, LLC60,0800.06%$50K—
42VANGUARD PORTFOLIO MANAGEMENT LLC54,6110.05%$45K-232,050 (-80.9%)
43Valeo Financial Advisors, LLC51,5820.05%$43K—
44Jain Global LLC48,7730.05%$41KNEW
45UBS Group AG48,7170.05%$40K-28,903 (-37.2%)
46Russell Investments Group, Ltd.42,1910.04%$35K+662 (+1.6%)
47BLAIR WILLIAM & CO/IL40,2200.04%$33KNEW
48Mariner, LLC39,9370.04%$33K+24,696 (+162.0%)
49Balyasny Asset Management L.P.38,4920.04%$32KNEW
50FMR LLC37,6660.04%$31K+12,223 (+48.0%)
51AMERIPRISE FINANCIAL INC31,3260.03%$26K-100 (-0.3%)
52EP Wealth Advisors, LLC30,1520.03%$25K+4,970 (+19.7%)
53WEALTH ENHANCEMENT ADVISORY SERVICES, LLC29,2530.03%$24K+15,152 (+107.5%)
54MERCER GLOBAL ADVISORS INC /ADV26,8870.03%$22K+15,451 (+135.1%)
55STIFEL FINANCIAL CORP26,3060.02%$22K-137,840 (-84.0%)
56Engineers Gate Manager LP24,6250.02%$20K-12,338 (-33.4%)
57Cerity Partners LLC19,4250.02%$16KNEW
58BANK OF AMERICA CORP /DE/17,6780.02%$15K-27,835 (-61.2%)
59OCCUDO QUANTITATIVE STRATEGIES LP16,5050.02%$14K-7,211 (-30.4%)
60Vanguard Global Advisers, LLC16,3000.02%$14K-76,659 (-82.5%)
61CAPTRUST FINANCIAL ADVISORS15,8040.01%$13KNEW
62OVERSEA-CHINESE BANKING Corp Ltd15,4590.01%$13KNEW
63Abel Hall, LLC15,1650.01%$13K+544 (+3.7%)
64PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO15,0000.01%$12K—
65Schonfeld Strategic Advisors LLC14,9280.01%$12KNEW
66Connor, Clark & Lunn Investment Management Ltd.14,1390.01%$12K-23,003 (-61.9%)
67RHUMBLINE ADVISERS14,0750.01%$12K-37,911 (-72.9%)
68Arax Advisory Partners13,9440.01%$12K+13,923 (+66300.0%)
69JMN Financial LLC12,9940.01%$11KNEW
70Creative Planning12,7970.01%$11KNEW
71JPMORGAN CHASE & CO12,7020.01%$9K+240 (+1.9%)
72Ariadne Wealth Management, LP12,5900.01%$10KNEW
73Vanguard Personalized Indexing Management, LLC11,8690.01%$10K-7,606 (-39.1%)
74MEEDER ASSET MANAGEMENT INC11,6740.01%$10K+4,673 (+66.7%)
75State of Alaska, Department of Revenue11,4330.01%$8K—
76Tower Research Capital LLC (TRC)5,8410.01%$5K-6,896 (-54.1%)
77Rockefeller Capital Management L.P.2,3810.00%$2K-6,253 (-72.4%)
78OSAIC HOLDINGS, INC.2,3600.00%$2K—
79EverSource Wealth Advisors, LLC2,0280.00%$2K+824 (+68.4%)
80ROYAL BANK OF CANADA7840.00%$1K+430 (+121.5%)
81Essential Partners LLC7350.00%$611+54 (+7.9%)
82SBI Securities Co., Ltd.6960.00%$578+193 (+38.4%)
83NISA INVESTMENT ADVISORS, LLC5840.00%$485+287 (+96.6%)
84ROTHSCHILD INVESTMENT LLC5670.00%$471+459 (+425.0%)
85Farther Finance Advisors, LLC4920.00%$398+200 (+68.5%)
86Optiver Holding B.V.3160.00%$263—
87FIFTH THIRD BANCORP2690.00%$223-45 (-14.3%)
88GAMMA Investing LLC2590.00%$215-62 (-19.3%)
89True Wealth Design, LLC2460.00%$205-93 (-27.4%)
90BNP PARIBAS FINANCIAL MARKETS2310.00%$192-6,342 (-96.5%)
91IFP Advisors, Inc1750.00%$145+45 (+34.6%)
92Fortitude Family Office, LLC690.00%$57NEW
93Basecamp Wealth Advisors LLC540.00%$45+52 (+2600.0%)
94SJS Investment Consulting Inc.430.00%$36+40 (+1333.3%)
95Wealth Enhancement Trust Services, Inc.230.00%$19NEW
96JPL Wealth Management, LLC90.00%$8NEW
97WELLS FARGO & COMPANY/MN10.00%$0-11,345 (-100.0%)
98HUNTINGTON NATIONAL BANK10.00%$1—
99Caitong International Asset Management Co., Ltd10.00%$1NEW
Exited since 2026-03-31 (37 filers; largest 25 shown)
CLARK ESTATES INC/NY−239,630
ALLIANCEBERNSTEIN L.P.−123,390
Cambria Investment Management, L.P.−117,196
PANAGORA ASSET MANAGEMENT INC−114,580
DEUTSCHE BANK AG\−90,265
Hillsdale Investment Management Inc.−75,300
Nuveen, LLC−67,607
ALGERT GLOBAL LLC−61,758
Irenic Capital Management LP−58,088
Jefferies Financial Group Inc.−50,000
Hennion & Walsh Asset Management, Inc.−43,455
NINE MASTS CAPITAL Ltd−27,241
AMERICAN CENTURY COMPANIES INC−26,904
CWM, LLC−26,438
Centiva Capital, LP−25,476
Point72 Asset Management, L.P.−21,709
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.−21,588
PRICE T ROWE ASSOCIATES INC /MD/−18,961
M&T Bank Corp−17,111
NEW YORK STATE COMMON RETIREMENT FUND−17,102
SUSQUEHANNA INTERNATIONAL GROUP, LLP−13,635
Police & Firemen's Retirement System of New Jersey−10,394
Ameritas Investment Partners, Inc.−4,806
Legal & General Group Plc−3,253
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM−1,623

Large holders from 13D/13G (latest per reporting person, last 2 years)

Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.

Reporting personFormFiledEventShares% of class
Advent International GPE IX-H Limited PartnershipSCHEDULE 13D/A2026-10-012026-09-295,428,9155.09%
Advent International, L.P.SCHEDULE 13D/A2026-10-012026-09-2962,493,67658.54%
Advent International GP, LLCSCHEDULE 13D/A2026-10-012026-09-2962,493,67658.54%
Advent International GPE IX Limited PartnershipSCHEDULE 13D/A2026-10-012026-09-2916,955,51015.88%
Jason Ronald KrantzSCHEDULE 13D2026-09-022026-09-0122,497,97817.6%
THE GOLDMAN SACHS GROUP, INC.SCHEDULE 13G/A2026-02-092025-12-315,935,9335.7%
GOLDMAN SACHS & CO. LLCSCHEDULE 13G/A2026-02-092025-12-315,935,9335.7%
Advent International GPE IX-I Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-313,075,0532.86%
Advent Global Technology-A SCSPSCHEDULE 13G/A2025-05-152025-03-311,885,0691.76%
Advent Global Technology GP Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-3110,326,1069.62%
Advent Global Technology GP S.a r.l.SCHEDULE 13G/A2025-05-152025-03-311,885,0691.76%
Advent Global Technology Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-313,818,7703.56%
Advent Global Technology LLCSCHEDULE 13G/A2025-05-152025-03-3112,617,98011.75%
Advent Global Technology Strategic Investors Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-3130,5420.03%
Advent International GPE IX-A SCSpSCHEDULE 13G/A2025-05-152025-03-314,985,8504.64%
Advent International GPE IX-B Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-313,359,8093.13%
Advent International GPE IX-C Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-311,394,7661.3%
Advent International GPE IX-D SCSpSCHEDULE 13G/A2025-05-152025-03-311,061,2410.99%
Advent International GPE IX-E SCSpSCHEDULE 13G/A2025-05-152025-03-312,156,7232.01%
Advent International GPE IX-F Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-311,463,3801.36%
Advent International GPE IX-G Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-314,815,2264.49%
Advent Global Technology-C Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-311,609,0701.5%
Adam KatzSCHEDULE 13G/A2025-05-152025-03-3100%
Advent Global Technology-B Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-312,971,8792.77%
Advent International GPE IX, LLCSCHEDULE 13G/A2025-05-152025-03-3146,251,90943.09%
Advent International GPE IX Strategic Investors SCSpSCHEDULE 13G/A2025-05-152025-03-3197,4270.09%
Advent Global Technology-D Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-311,926,3871.79%
Advent Global Opportunities Master Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-313,623,7873.38%
Advent Partners AGT-A Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-3127,3730.03%
Advent Partners AGT-C Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-31317,3290.3%
Advent Partners AGT Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-3131,5610.03%
Advent Partners GPE IX-A Cayman Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-3154,1210.05%
Advent Partners GPE IX-A Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-31128,6690.12%
Advent Partners GPE IX-B Cayman Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-31898,5070.84%
Advent Partners GPE IX-C Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-31321,0700.3%
Advent Partners GPE IX Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-3155,6420.05%
Andrew DodgeSCHEDULE 13G/A2025-05-152025-03-3100%
AP AGT GP Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-31406,8050.38%
AP GPE IX GP Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-311,458,0091.36%
Advent Global Opportunities Management LLCSCHEDULE 13G/A2025-05-152025-03-313,623,7873.38%
GPE IX GP Limited PartnershipSCHEDULE 13G/A2025-05-152025-03-3136,492,65934%
GPE IX GP S.a r.lSCHEDULE 13G/A2025-05-152025-03-318,301,2417.73%
Irenic Capital Evergreen Master Fund LPSCHEDULE 13G/A2025-05-152025-03-3100%
Irenic Capital Management LPSCHEDULE 13G/A2025-05-152025-03-3100%
Advent Global Opportunities GP LPSCHEDULE 13G/A2025-05-152025-03-313,623,7873.38%
Advent Global Opportunities GP LLCSCHEDULE 13G/A2025-05-152025-03-313,623,7873.38%
Massachusetts Financial Services CompanySCHEDULE 13G/A2025-02-132024-12-314,962,7494.3%

Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.