DH Definitive Healthcare Corp.

NASDAQ
$1.02

Definitive Healthcare Corp. (DH) Institutional Ownership

What the institutions did with DH last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.

Managers compared
134
filed both this quarter and last
Managers holding
99
-18 on the quarter
Buyers
53
17 opened new
Sellers
71
35 sold out entirely
Buyer share
42.7%
of managers who traded it
Breadth
-14.5
net buyers, as a share of those trading

Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.

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Ownership map

Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.

Cut Unchanged Added Color saturates at ±50%.

Largest holders

Manager Shares % of reported
Advent International, L.P. 62.5M 72.1%
GOLDMAN SACHS GROUP INC 6.0M 6.9%
D. E. Shaw & Co., Inc. 2.0M 2.3%
VANGUARD CAPITAL MANAGEMENT LLC 1.8M 2.1%
KENNEDY CAPITAL MANAGEMENT LLC 1.7M 2.0%
DIMENSIONAL FUND ADVISORS LP 1.5M 1.7%
BlackRock, Inc. 1.4M 1.6%
AQR CAPITAL MANAGEMENT LLC 899.1K 1.0%
GEODE CAPITAL MANAGEMENT, LLC 550.8K 0.6%
GSA CAPITAL PARTNERS LLP 525.9K 0.6%
RENAISSANCE TECHNOLOGIES LLC 525.0K 0.6%
TWO SIGMA INVESTMENTS, LP 509.3K 0.6%
JACOBS LEVY EQUITY MANAGEMENT, INC 472.7K 0.5%
Corient Private Wealth LP 454.5K 0.5%
ACADIAN ASSET MANAGEMENT LLC 448.6K 0.5%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 404.1K 0.5%
Squarepoint Ops LLC 351.6K 0.4%
BARCLAYS PLC 323.7K 0.4%
MILLENNIUM MANAGEMENT LLC 275.9K 0.3%
PINNACLE ASSOCIATES LTD 260.0K 0.3%
Pinnacle Wealth Management Advisory Group, LLC 260.0K 0.3%
MORGAN STANLEY 254.1K 0.3%
VANGUARD FIDUCIARY TRUST CO 250.5K 0.3%
STATE STREET CORP 241.7K 0.3%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 201.9K 0.2%

Largest changes

Manager Action Previous Current Change
KENNEDY CAPITAL MANAGEMENT LLC New 0 1.7M +1.7M
BlackRock, Inc. Reduced 3.0M 1.4M -1.6M
GEODE CAPITAL MANAGEMENT, LLC Reduced 1.2M 550.8K -628.9K
STATE STREET CORP Reduced 856.2K 241.7K -614.5K
Corient Private Wealth LP New 0 454.5K +454.5K
NORTHERN TRUST CORP Reduced 435.9K 104.3K -331.6K
MILLENNIUM MANAGEMENT LLC Reduced 590.4K 275.9K -314.5K
TWO SIGMA INVESTMENTS, LP Increased 233.6K 509.3K +275.7K
CITADEL ADVISORS LLC Reduced 433.4K 166.3K -267.1K
ACADIAN ASSET MANAGEMENT LLC Increased 203.3K 448.6K +245.3K
CLARK ESTATES INC/NY Sold Out 239.6K 0 -239.6K
VANGUARD PORTFOLIO MANAGEMENT LLC Reduced 286.7K 54.6K -232.1K
DIMENSIONAL FUND ADVISORS LP Reduced 1.7M 1.5M -213.2K
AQR CAPITAL MANAGEMENT LLC Increased 702.0K 899.1K +197.1K
GSA CAPITAL PARTNERS LLP Increased 335.7K 525.9K +190.2K
SEI INVESTMENTS CO New 0 181.5K +181.5K
JACOBS LEVY EQUITY MANAGEMENT, INC Increased 299.5K 472.7K +173.2K
MORGAN STANLEY Reduced 424.3K 254.1K -170.2K
STIFEL FINANCIAL CORP Reduced 164.1K 26.3K -137.8K
D. E. Shaw & Co., Inc. Reduced 2.1M 2.0M -126.4K
ALLIANCEBERNSTEIN L.P. Sold Out 123.4K 0 -123.4K
Cambria Investment Management, L.P. Sold Out 117.2K 0 -117.2K
PANAGORA ASSET MANAGEMENT INC Sold Out 114.6K 0 -114.6K
Bank of New York Mellon Corp Reduced 194.8K 81.5K -113.4K
XTX Topco Ltd Increased 23.5K 135.4K +111.9K
Squarepoint Ops LLC Increased 239.9K 351.6K +111.6K
MARSHALL WACE, LLP Increased 73.5K 164.0K +90.5K
DEUTSCHE BANK AG\ Sold Out 90.3K 0 -90.3K
GOLDMAN SACHS GROUP INC Reduced 6.0M 6.0M -84.8K
Vanguard Global Advisers, LLC Reduced 93.0K 16.3K -76.7K
CITIGROUP INC Increased 1.9K 77.3K +75.3K
Hillsdale Investment Management Inc. Sold Out 75.3K 0 -75.3K
Nuveen, LLC Sold Out 67.6K 0 -67.6K
ALGERT GLOBAL LLC Sold Out 61.8K 0 -61.8K
Irenic Capital Management LP Sold Out 58.1K 0 -58.1K
Jefferies Financial Group Inc. Sold Out 50.0K 0 -50.0K
BRIDGEWAY CAPITAL MANAGEMENT, LLC Increased 44.2K 94.2K +50.0K
Jain Global LLC New 0 48.8K +48.8K
Williams & Novak, LLC Increased 30.7K 78.6K +47.9K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Reduced 249.7K 201.9K -47.7K
IEQ CAPITAL, LLC Increased 55.1K 101.2K +46.2K
Hennion & Walsh Asset Management, Inc. Sold Out 43.5K 0 -43.5K
BLAIR WILLIAM & CO/IL New 0 40.2K +40.2K
Balyasny Asset Management L.P. New 0 38.5K +38.5K
RHUMBLINE ADVISERS Reduced 52.0K 14.1K -37.9K
VANGUARD CAPITAL MANAGEMENT LLC Reduced 1.9M 1.8M -36.9K
UBS Group AG Reduced 77.6K 48.7K -28.9K
JANE STREET GROUP, LLC Increased 41.2K 69.3K +28.1K
BANK OF AMERICA CORP /DE/ Reduced 45.5K 17.7K -27.8K
NINE MASTS CAPITAL Ltd Sold Out 27.2K 0 -27.2K
AMERICAN CENTURY COMPANIES INC Sold Out 26.9K 0 -26.9K
Centiva Capital, LP Sold Out 25.5K 0 -25.5K
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Reduced 428.9K 404.1K -24.8K
Mariner, LLC Increased 15.2K 39.9K +24.7K
Connor, Clark & Lunn Investment Management Ltd. Reduced 37.1K 14.1K -23.0K
Point72 Asset Management, L.P. Sold Out 21.7K 0 -21.7K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Sold Out 21.6K 0 -21.6K
Cerity Partners LLC New 0 19.4K +19.4K
PRICE T ROWE ASSOCIATES INC /MD/ Sold Out 19.0K 0 -19.0K
M&T Bank Corp Sold Out 17.1K 0 -17.1K

13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.