DEFINITIVE HEALTHCARE CORP

Ticker: DH CUSIP: 24477E103 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
ADVENT INTERNATIONAL, L.P.62,493,676$180,534
GOLDMAN SACHS GROUP INC5,941,951$17,053
BlackRock, Inc.2,904,688$8,336
VANGUARD GROUP INC2,526,079$7,250
D. E. Shaw & Co., Inc.2,067,688$5,934
DIMENSIONAL FUND ADVISORS LP1,917,803$5,503
MORGAN STANLEY1,123,646$3,225
STATE STREET CORP978,683$2,809
GEODE CAPITAL MANAGEMENT, LLC973,004$2,794
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP701,637$2,014
AQR CAPITAL MANAGEMENT LLC563,687$1,618
RENAISSANCE TECHNOLOGIES LLC527,640$1,514
NORTHERN TRUST CORP435,272$1,249
CHARLES SCHWAB INVESTMENT MANAGEMENT INC358,923$1,030
MILLENNIUM MANAGEMENT LLC332,087$953
UBS Group AG326,930$938
CITADEL ADVISORS LLC290,300$833
PINNACLE ASSOCIATES LTD260,012$746
Pinnacle Wealth Management Advisory Group, LLC260,012$746
JANE STREET GROUP, LLC259,033$743
CLARK ESTATES INC/NY239,630$688
GSA CAPITAL PARTNERS LLP238,775$1
BARCLAYS PLC228,349$655
Connor, Clark & Lunn Investment Management Ltd.220,985$634
Bank of New York Mellon Corp216,214$621
JACOBS LEVY EQUITY MANAGEMENT, INC195,118$560
TOCQUEVILLE ASSET MANAGEMENT L.P.165,000$474
MARSHALL WACE, LLP153,438$440
Verition Fund Management LLC147,728$424
TWO SIGMA ADVISERS, LP142,400$409
TWO SIGMA INVESTMENTS, LP137,824$396
ALLIANCEBERNSTEIN L.P.123,390$354
Invesco Ltd.117,427$337
Walleye Capital LLC113,900$327
PANAGORA ASSET MANAGEMENT INC113,384$325
STIFEL FINANCIAL CORP105,947$304
Graham Capital Management, L.P.85,677$246
PNC Financial Services Group, Inc.83,186$239
XTX Topco Ltd75,306$216
Hillsdale Investment Management Inc.75,300$216
BANK OF AMERICA CORP /DE/74,154$213
Cambria Investment Management, L.P.72,121$207
CITIGROUP INC69,223$199
Nuveen, LLC67,607$194
Point72 Asset Management, L.P.61,149$175
BAKER TILLY WEALTH MANAGEMENT, LLC60,080$172
RHUMBLINE ADVISERS54,696$157
Brevan Howard Capital Management LP54,034$155
Valeo Financial Advisors, LLC51,582$148
ALGERT GLOBAL LLC50,248$0
Jefferies Financial Group Inc.50,000$144
IEQ CAPITAL, LLC47,685$137
SUSQUEHANNA INTERNATIONAL GROUP, LLP44,990$129
Hennion & Walsh Asset Management, Inc.44,207$127
PharVision Advisers, LLC41,769$120
Russell Investments Group, Ltd.36,546$105
DEUTSCHE BANK AG\35,565$102
BNP Paribas Investment Partners S.A.34,934$0
WELLS FARGO & COMPANY/MN33,664$97
OCCUDO QUANTITATIVE STRATEGIES LP33,174$95
BOOTHBAY FUND MANAGEMENT, LLC32,168$92
AMERICAN CENTURY COMPANIES INC27,160$78
Engineers Gate Manager LP26,401$76
Jain Global LLC26,197$75
Strengthening Families & Communities, LLC20,519$59
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.20,452$59
PRICE T ROWE ASSOCIATES INC /MD/18,961$0
AMERIPRISE FINANCIAL INC18,900$54
CANADA PENSION PLAN INVESTMENT BOARD17,900$51
M&T Bank Corp17,111$49
NEW YORK STATE COMMON RETIREMENT FUND17,102$49
PRELUDE CAPITAL MANAGEMENT, LLC17,000$49
BNP PARIBAS ARBITRAGE, SA16,837$48
HRT FINANCIAL LP16,651$0
INTECH INVESTMENT MANAGEMENT LLC16,523$47
ExodusPoint Capital Management, LP16,360$47
State of Wyoming16,342$47
SG Americas Securities, LLC15,887$0
CWM, LLC15,575$0
JPMORGAN CHASE & CO12,248$35
Cerity Partners LLC12,189$35
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC12,150$31
Schonfeld Strategic Advisors LLC12,058$35
State of Alaska, Department of Revenue11,433$0
ACADIAN ASSET MANAGEMENT LLC10,824$0
Police & Firemen's Retirement System of New Jersey10,394$30
NEUBERGER BERMAN GROUP LLC10,217$29
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO7,800$22
MEEDER ASSET MANAGEMENT INC7,001$20
FMR LLC5,402$16
Ameritas Investment Partners, Inc.4,806$14
Tower Research Capital LLC (TRC)4,140$12
Legal & General Group Plc3,253$9
Quarry LP3,157$9
OSAIC HOLDINGS, INC.2,460$7
Rockefeller Capital Management L.P.2,381$7
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM1,838$5
Sterling Capital Management LLC1,730$5
GAMMA Investing LLC1,645$5
GROUP ONE TRADING, L.P.1,387$4
21 other institutions8,342$22
Total (121 institutions)89,760,058$257,598