Definitive Healthcare Corp. (DH) shareholders
DHNasdaqServices-Prepackaged SoftwareFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 5/3067% below fair value
$1.31+0.06 (+4.80%)
Close on Nov 13, 2026Market cap $139.84MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
81.2%
87M of 107M shares
Institutional holders
100
18 new, 35 sold out
Net institutional buying
-2M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Advent International GP, LLC Joint filing with Advent International, L.P. (58.54%), Advent International GPE IX Limited Partnership (15.88%) and 1 more | 62,493,676 | 58.54% | 13D (active) amendment | Sep 29, 2026 |
| Advent International, L.P. Joint filing with Advent International GP, LLC (58.54%), Advent International GPE IX Limited Partnership (15.88%) and 1 more | 62,493,676 | 58.54% | 13D (active) | Sep 1, 2026 |
| Jason Ronald Krantz | 22,497,978 | 17.60% | 13D (active) | Sep 1, 2026 |
| S) SEA VII Management, LLC Joint filing with S) Spectrum Equity Associates VII, L.P. (11.70%), S) Se Vii Dhc Aiv, L.P. (10.60%) | 15,284,815 | – | 13G (passive) amendment | Dec 31, 2023 |
| Goldman Sachs & Co. LLC Joint filing with The Goldman Sachs Group, Inc. (5.70%) | 5,935,933 | 5.70% | 13G (passive) amendment | Dec 31, 2025 |
| Conestoga Capital Advisors, LLC | 5,824,812 | 5.01% | 13G (passive) | Dec 31, 2023 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of DH | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Advent International, L.P. | 62,493,676 | 58.54% | $51.93M | – | 0.29% |
| Goldman Sachs Group Inc | 5,959,143 | 5.58% | $4.95M | −84,757 | 0.00% |
| D. E. Shaw & Co., Inc. | 1,973,193 | 1.85% | $1.64M | −126,358 | 0.00% |
| Vanguard Capital Management LLC | 1,829,463 | 1.71% | $1.52M | −36,866 | 0.00% |
| Kennedy Capital Management LLC | 1,737,044 | 1.63% | $1.44M | New | 0.03% |
| Dimensional Fund Advisors LP | 1,453,209 | 1.36% | $1.21M | −213,160 | 0.00% |
| BlackRock, Inc. | 1,408,621 | 1.32% | $1.17M | −1,576,946 | 0.00% |
| Aqr Capital Management LLC | 899,132 | 0.84% | $747.09K | +197,109 | 0.00% |
| Geode Capital Management, LLC | 550,753 | 0.52% | $457.94K | −628,941 | 0.00% |
| Gsa Capital Partners Llp | 525,896 | 0.49% | $437.00K | +190,199 | 0.03% |
| Renaissance Technologies LLC | 525,040 | 0.49% | $436.26K | +13,900 | 0.00% |
| Two Sigma Investments, LP | 509,328 | 0.48% | $423.20K | +275,747 | 0.00% |
| Jacobs Levy Equity Management, Inc | 472,710 | 0.44% | $392.78K | +173,237 | 0.00% |
| Corient Private Wealth LLC | 454,486 | 0.43% | $377.63K | New | 0.00% |
| Acadian Asset Management LLC | 448,629 | 0.42% | $368.00K | +245,307 | 0.00% |
| Arrowstreet Capital, Limited Partnership | 404,124 | 0.38% | $335.79K | −24,818 | 0.00% |
| Squarepoint Ops LLC | 351,575 | 0.33% | $292.12K | +111,634 | 0.00% |
| Barclays PLC | 323,670 | 0.30% | $268.94K | −2,810 | 0.00% |
| Millennium Management LLC | 275,896 | 0.26% | $229.24K | −314,486 | 0.00% |
| Pinnacle Wealth Management Advisory Group, LLC | 260,037 | 0.24% | $216.07K | +37 | 0.01% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 100 | 87M | 81.2% | 18 / 36 | 36 / 35 | 4M | 6M |
| Q1 2026 | 119 | 89M | 83.2% | 25 / 40 | 34 / 26 | 5M | 3M |
| Q4 2025 | 122 | 90M | 84.1% | 24 / 28 | 53 / 27 | 3M | 8M |
| Q3 2025 | 129 | 96M | 89.6% | 26 / 24 | 56 / 18 | 2M | 4M |
| Q2 2025 | 121 | 98M | 91.8% | 22 / 46 | 37 / 35 | 5M | 9M |
| Q1 2025 | 136 | 102M | 95.8% | 30 / 44 | 43 / 21 | 12M | 15M |
| Q4 2024 | 128 | 105M | 98.4% | 22 / 50 | 37 / 19 | 4M | 5M |
| Q3 2024 | 125 | 106M | 99.7% | 23 / 39 | 39 / 39 | 14M | 15M |
| Q2 2024 | 144 | 112M | 100.0% | 37 / 56 | 39 / 35 | 13M | 17M |
| Q1 2024 | 143 | 116M | 100.0% | 27 / 59 | 39 / 22 | 6M | 5M |
| Q4 2023 | 138 | 115M | 100.0% | 23 / 51 | 45 / 17 | 6M | 9M |
| Q3 2023 | 134 | 119M | 100.0% | 17 / 57 | 37 / 20 | 5M | 3M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
122 funds held DH in Q1 2026, 68% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of DH | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 1,327,702 | 1.24% | $1.10M | 0.00% | Jun 30, 2026 |
| iShares U.S. Small-Cap Equity Factor ETF | 550,305 | 0.52% | $375.47K | 0.01% | Jul 31, 2026 |
| Inspire Small/Mid Cap ETF | 487,717 | 0.46% | $453.97K | 0.14% | May 31, 2026 |
| Vanguard Extended Market Index Fund | 477,665 | 0.45% | $396.89K | 0.00% | Jun 30, 2026 |
| U.S. Small Cap Portfolio | 430,844 | 0.40% | $293.96K | 0.00% | Jul 31, 2026 |
| Fidelity Extended Market Index Fund | 379,870 | 0.36% | $353.58K | 0.00% | May 31, 2026 |
| U.S. Micro Cap Portfolio | 274,823 | 0.26% | $187.51K | 0.00% | Jul 31, 2026 |
| Dimensional U.S. Core Equity 2 ETF | 204,300 | 0.19% | $139.39K | 0.00% | Jul 31, 2026 |
| Dimensional U.S. Small Cap ETF | 204,135 | 0.19% | $139.28K | 0.00% | Jul 31, 2026 |
| Schwab U.S. Small-Cap ETF | 201,568 | 0.19% | $187.62K | 0.00% | May 31, 2026 |
| Vanguard Russell 2000 Index Fund | 155,066 | 0.15% | $144.34K | 0.00% | May 31, 2026 |
| iShares Micro-Cap ETF | 137,070 | 0.13% | $113.89K | 0.01% | Jun 30, 2026 |
| Vanguard Health Care Index Fund | 112,535 | 0.11% | $104.75K | 0.00% | May 31, 2026 |
| Fidelity Total Market Index Fund | 96,233 | 0.09% | $89.57K | 0.00% | May 31, 2026 |
| Ultra-Small Company Market Fund | 94,200 | 0.09% | $78.27K | 0.05% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Clay Brian Ritchey | Chief Executive Officer, Director | 2,631,263 | 2.47% | Oct 27, 2026 |
| Kevin Coop | Chief Executive Officer, Director | 4,975,229 | 4.66% | Jul 6, 2026 |
| Casey Heller | Chief Financial Officer | 1,784,079 | 1.67% | Nov 3, 2026 |
| Jonathan Paris | Chief Legal Officer | 864,534 | 0.81% | Oct 5, 2026 |
| Benjamin Graboske | EVP, Chief Data Officer | 1,312,027 | 1.23% | Feb 26, 2026 |
| Kate Marie Shamsuddin | CHIEF OPERATING OFFICER | 694,149 | 0.65% | Aug 5, 2025 |
| Richard Douglas Booth | CHIEF FINANCIAL OFFICER | 652,630 | 0.61% | May 5, 2025 |
| William Moschella | Chief Product & Tech Officer | 451,302 | 0.42% | Feb 4, 2025 |
| Jason Ronald Krantz | Director, 10% owner | 2,077,106 | 1.95% | Nov 3, 2026 |
| Samuel A. Hamood | Director | 340,978 | 0.32% | Jun 9, 2026 |
| Scott G. Stephenson | Director | 313,314 | 0.29% | Jun 8, 2026 |
| Sastry Chilukuri | Director | 315,984 | 0.30% | Jun 8, 2026 |
| Kathleen A. Winters | Director | 308,982 | 0.29% | Jun 8, 2026 |
| Jill Larsen | Director | 114,751 | 0.11% | Jun 9, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Jason Ronald Krantz Director, 10% owner | Nov 1, 2026 | Tax withholding | −12,166 | $1.12 | $13.63K | 1,177,106 |
| Casey Heller Chief Financial Officer | Nov 1, 2026 | Tax withholding | −1,881 | $1.12 | $2.11K | 1,784,079 |
| Clay Brian Ritchey Chief Executive Officer, Director | Oct 23, 2026 | Award | +2,626,263 | – | – | 2,626,263 |
| Casey Heller Chief Financial Officer | Oct 1, 2026 | Tax withholding | −12,542 | $0.94 | $11.74K | 1,785,960 |
| Jonathan Paris Chief Legal Officer | Oct 1, 2026 | Tax withholding | −7,729 | $0.94 | $7.24K | 864,534 |
| Casey Heller Chief Financial Officer | Sep 1, 2026 | Tax withholding | −41,093 | $0.90 | $36.98K | 1,798,502 |
| Casey Heller Chief Financial Officer | Aug 1, 2026 | Tax withholding | −1,881 | $0.68 | $1.28K | 1,839,595 |
| Jason Ronald Krantz Director, 10% owner | Aug 1, 2026 | Tax withholding | −12,166 | $0.68 | $8.27K | 1,189,272 |
| Jonathan Paris Chief Legal Officer | Jul 1, 2026 | Tax withholding | −30,591 | $0.80 | $24.47K | 872,263 |
| Kevin Coop Chief Executive Officer, Director | Jul 1, 2026 | Tax withholding | −37,593 | $0.80 | $30.07K | 4,975,229 |
| Samuel A. Hamood Director | Jun 4, 2026 | Award | +189,190 | – | – | 289,396 |
| Sastry Chilukuri Director | Jun 4, 2026 | Award | +189,190 | – | – | 315,984 |
| Scott G. Stephenson Director | Jun 4, 2026 | Award | +189,190 | – | – | 313,314 |
| Kathleen A. Winters Director | Jun 4, 2026 | Award | +189,190 | – | – | 308,982 |
| Casey Heller Chief Financial Officer | Jun 1, 2026 | Tax withholding | −164,377 | $0.99 | $162.73K | 1,841,476 |
| Kevin Coop Chief Executive Officer, Director | Jun 1, 2026 | Tax withholding | −66,050 | $0.99 | $65.39K | 5,012,822 |
| Casey Heller Chief Financial Officer | May 1, 2026 | Tax withholding | −1,469 | $0.99 | $1.45K | 2,005,853 |
| Jason Ronald Krantz Director, 10% owner | May 1, 2026 | Tax withholding | −12,166 | $0.99 | $12.04K | 1,201,438 |
| Jason Ronald Krantz Director, 10% owner | Apr 1, 2026 | Tax withholding | −45,154 | $1.09 | $49.22K | 1,213,604 |
| Kevin Coop Chief Executive Officer, Director | Apr 1, 2026 | Tax withholding | −37,593 | $1.09 | $40.98K | 5,078,872 |
| Kevin Coop Chief Executive Officer, Director | Mar 1, 2026 | Tax withholding | −175,524 | $1.28 | $224.67K | 5,116,465 |
| Benjamin Graboske EVP, Chief Data Officer | Feb 24, 2026 | Award | +631,068 | – | – | 1,312,027 |
| Jason Ronald Krantz Director, 10% owner | Feb 24, 2026 | Award | +242,719 | – | – | 1,258,758 |
| Kevin Coop Chief Executive Officer, Director | Feb 24, 2026 | Award | +1,735,437 | – | – | 5,291,989 |
| Jonathan Paris Chief Legal Officer | Feb 24, 2026 | Award | +481,505 | – | – | 902,854 |
| Casey Heller Chief Financial Officer | Feb 24, 2026 | Award | +733,301 | – | – | 2,007,322 |
| Casey Heller Chief Financial Officer | Feb 1, 2026 | Tax withholding | −1,469 | $2.32 | $3.41K | 1,274,021 |
| Jason Ronald Krantz Director, 10% owner | Feb 1, 2026 | Tax withholding | −44,545 | $2.32 | $103.34K | 1,016,039 |
| Casey Heller Chief Financial Officer | Jan 5, 2026 | Award | +195,313 | – | – | 1,275,490 |
| Kevin Coop Chief Executive Officer, Director | Jan 1, 2026 | Tax withholding | −28,236 | $2.87 | $81.04K | 3,556,552 |
| Benjamin Graboske EVP, Chief Data Officer | Dec 22, 2025 | Tax withholding | −341,417 | $2.53 | $863.79K | 676,913 |
| Casey Heller Chief Financial Officer | Nov 1, 2025 | Tax withholding | −1,244 | $2.77 | $3.45K | 1,080,177 |
| Jason Ronald Krantz Director, 10% owner | Nov 1, 2025 | Tax withholding | −18,796 | $2.77 | $52.06K | 1,060,584 |
| Kevin Coop Chief Executive Officer, Director | Oct 1, 2025 | Tax withholding | −37,593 | $3.56 | $133.83K | 3,584,788 |
| Casey Heller Chief Financial Officer | Oct 1, 2025 | Tax withholding | −8,300 | $3.56 | $29.55K | 1,081,421 |
| Jason Ronald Krantz Director, 10% owner | Sep 14, 2025 | Tax withholding | −4,093 | $4.15 | $16.99K | 1,079,380 |
| Casey Heller Chief Financial Officer | Aug 1, 2025 | Tax withholding | −1,244 | $3.74 | $4.65K | 1,089,721 |
| Jason Ronald Krantz Director, 10% owner | Aug 1, 2025 | Tax withholding | −18,796 | $3.74 | $70.30K | 1,083,473 |
| Kate Marie Shamsuddin CHIEF OPERATING OFFICER | Aug 1, 2025 | Tax withholding | −4,741 | $3.74 | $17.73K | 694,149 |
| Kevin Coop Chief Executive Officer, Director | Jul 1, 2025 | Tax withholding | −116,750 | $4.05 | $472.84K | 3,622,381 |
| Jonathan Paris Chief Legal Officer | Jul 1, 2025 | Award | +421,349 | – | – | 421,349 |
| Jason Ronald Krantz Director, 10% owner | Jun 14, 2025 | Tax withholding | −4,093 | $3.65 | $14.94K | 1,102,269 |
| Kate Marie Shamsuddin CHIEF OPERATING OFFICER | Jun 14, 2025 | Tax withholding | −1,012 | $3.65 | $3.69K | 698,890 |
| Casey Heller Chief Financial Officer | Jun 10, 2025 | Award | +485,881 | – | – | 1,090,965 |
| Jill Larsen Director | Jun 5, 2025 | Award | +55,911 | – | – | 114,751 |
| Kathleen A. Winters Director | Jun 5, 2025 | Award | +55,911 | – | – | 119,792 |
| Samuel A. Hamood Director | Jun 5, 2025 | Award | +55,911 | – | – | 100,206 |
| Scott G. Stephenson Director | Jun 5, 2025 | Award | +55,911 | – | – | 124,124 |
| Sastry Chilukuri Director | Jun 5, 2025 | Award | +55,911 | – | – | 126,794 |
| Casey Heller Chief Financial Officer | Jun 2, 2025 | Award | +498,339 | – | – | 605,084 |
| Richard Douglas Booth CHIEF FINANCIAL OFFICER | May 1, 2025 | Tax withholding | −7,873 | $2.75 | $21.65K | 652,630 |
| Jason Ronald Krantz Director, 10% owner | May 1, 2025 | Tax withholding | −18,795 | $2.75 | $51.69K | 1,106,362 |
| Kate Marie Shamsuddin CHIEF OPERATING OFFICER | May 1, 2025 | Tax withholding | −4,595 | $2.75 | $12.64K | 699,902 |
| Kate Marie Shamsuddin CHIEF OPERATING OFFICER | Apr 28, 2025 | Award | +243,446 | – | – | 704,497 |
| Jason Ronald Krantz Director, 10% owner | Apr 3, 2025 | Award | +153,847 | – | – | 1,125,157 |
| Jason Ronald Krantz Director, 10% owner | Mar 14, 2025 | Tax withholding | −4,093 | $2.59 | $10.60K | 971,310 |
| Kate Marie Shamsuddin CHIEF OPERATING OFFICER | Mar 14, 2025 | Tax withholding | −1,012 | $2.59 | $2.62K | 461,051 |
| Richard Douglas Booth CHIEF FINANCIAL OFFICER | Mar 14, 2025 | Tax withholding | −963 | $2.59 | $2.49K | 660,503 |
| Benjamin Graboske EVP, Chief Data Officer | Mar 3, 2025 | Award | +1,018,330 | – | – | 1,018,330 |
| Kevin Coop Chief Executive Officer, Director | Mar 1, 2025 | Award | +2,382,892 | – | – | 3,739,131 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of shares outstanding
1.52%
2M shares short
Days to cover
3.8
At 0M shares a day
Change since last report
-16.0%
From 2M shares
Short volume, 20 days
34.6%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Definitive Healthcare's stock actually held short. Settlement fails (shares not delivered on time) peaked at 27,016 shares on Sep 4, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| William Moschella Officer | Dec 3, 2024 | 45,000 | $209.25K | Dec 3, 2024 | RESTRICTED STOCK |
| Spectrum VII Investment Managers' Fund, L.P. Director | Aug 24, 2023 | 4,202 | $39.92K | Aug 24, 2023 | Private Placement |
| Spectrum VII Co-Investment Fund, L.P. Director | Aug 24, 2023 | 2,454 | $23.31K | Aug 24, 2023 | Private Placement |
| Spectrum VII Co-Investment Fund, L.P. Shareholder | May 12, 2023 | 2,301 | $21.28K | May 12, 2023 | Private Placement |
| Spectrum VII Investment Managers' Fund, L.P. Shareholder | May 12, 2023 | 3,939 | $36.44K | May 12, 2023 | Private Placement |
See a number that looks wrong?