DOSSIER · 13F Holders · Q2 2026
DH

DEFINITIVE HEALTHCARE CORP

111 institutions still hold DEFINITIVE HEALTHCARE CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 24477E103·111 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$74M
visible holders
Holders
111
filers reporting
Concentration
70.42%
ADVENT INTERNATIONAL, L.P. #1
top holder share
AI Holders Summary · Q2 2026

111 institutions reported DH in Q2 2026. ADVENT INTERNATIONAL, L.P. leads at 70.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
ADVENT INTERNATIONAL, L.P.
CIK 0001034196
$52M62.5M0.29%Q2 2026
02
D. E. Shaw & Co., Inc.
CIK 0001009207
$6M2.1M0.00%Q4 2025
03
GOLDMAN SACHS GROUP INC
CIK 0000886982
$5M6.0M0.00%Q2 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$2M1.8M0.00%Q2 2026
05
KENNEDY CAPITAL MANAGEMENT LLC
CIK 0000884589
$1M1.7M0.03%Q2 2026
06
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$1M1.5M0.00%Q2 2026
07
BlackRock, Inc.
CIK 0002012383
$1M1.4M0.00%Q2 2026
08
CITADEL ADVISORS LLC
CIK 0001423053
$867K302K0.00%Q4 2025
09
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$747K899K0.00%Q2 2026
10
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$458K551K0.00%Q2 2026
11
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$436K525K0.00%Q2 2026
12
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$423K509K0.00%Q2 2026
13
GSA CAPITAL PARTNERS LLP
CIK 0001362033
$413K336K0.03%Q1 2026
14
Corient Private Wealth LLC
CIK 0001948780
$374K450K0.00%Q2 2026
15
JACOBS LEVY EQUITY MANAGEMENT, INC
CIK 0000884414
$368K299K0.00%Q1 2026
16
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$354K123K0.00%Q1 2026
17
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$336K404K0.00%Q2 2026
18
Squarepoint Ops LLC
CIK 0001642575
$292K352K0.00%Q2 2026
19
BARCLAYS PLC
CIK 0000312069
$269K324K0.00%Q2 2026
20
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$249K203K0.00%Q1 2026
Page 1 of 6
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Insiders at DEFINITIVE HEALTHCARE CORP
Heller CaseyKrantz Jason RonaldParis JonathanCoop KevinHamood Samuel AStephenson Scott GWinters Kathleen AGraboske Benjamin