ARDSLEY ADVISORY PARTNERS LP

HTTP://WWW.ARDSLEY.COM/ STAMFORD, CT Investment Advisor Hedge Fund How do I update this listing?

Also known as:

  • ARDSLEY PARTNERS
  • PHILIP HEMPLEMAN
  • ARDSLEY ADVISORY PARTNERS
  • MARRONE ORGANICS INNOVATIONS INC
  • ARDSLEY PARTNERS I
  • ARDSLEY PARTNERS I LP
  • ARDSLEY PARTNERS FUND II L P

Ardsley Advisory Partners is based out of Stamford. Ardsley Advisory Partners is a large advisory firm with 7 clients and discretionary assets under management (AUM) of $895,315,000 (Form ADV from 2017-05-01). Their last reported 13F filing for Q2 2019 included $633,749,000 in managed 13F securities and a top 10 holdings concentration of 42.47%. Ardsley Advisory Partners's largest holding is VanEck Vect Semiconductor ETF with shares held of 350,000. Ardsley Advisory Partners has met the qualifications for inclusion in our WhaleScore system. Whalewisdom has at least 79 13F filings, 11 13D filings, 148 13G filings, and 1 Form 4 filings

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06/30/2019

13F Sector Allocation Over Time

06/30/2019

13F Activity

  • Market Value $633.749 Million
  • Prior Market Value $521.164 Million
  • New Purchases66 stocks
  • Additional Purchases36 stocks
  • Sold out of49 stocks
  • Reduced holdings in30 stocks
  • Top 10 Holdings % 42.47 %
  • Turnover % [1]:77.70%
  • Turnover Alt % [2]: 40.74 %
  • Time Held Top20:3.60 quarters
  • Time Held Top10:2.80 quarters
  • Time Held All:3.41 quarters

[1]: Turnover is calculated by taking the # of new holdings (initial purchases) + the # of positions sold out of (not just reduced) divided by the total # of holdings for the quarter.

[2]: Alt Turnover is calculated by taking either the total MV of new purchases or the MV of securities sold, whichever is less, divided by the total MV of the fund.

Portfolio Performance

Top 20 equal-weighted holdings. Performance numbers calculated through 2019-08-14

Performance for Q2 2019: -8.57%
Performance Last 4 Quarters: -11.08%
Performance Metrics
Stdev (5-yrs): Subscription required BETA (5-yrs): Subscription required ALPHA (3-yrs): Subscription required
Max Drawdown (all-years): Subscription required Annualized Perf (3-yrs): Subscription required Batting Avg vs S&P. (3-yrs): Subscription required
Sortino (3-yrs): Subscription required Stutzer (3-yrs): Subscription required Treynor (3-yrs): Subscription required
Sterling (3-yrs): Subscription required Calmar (3-yrs): Subscription required Information Ratio (3-yrs): Subscription required
Tracking Error (3 yrs): Subscription required Stdev Down (3-yrs): Subscription required Winning Months %: Subscription required
Losing Months %: Subscription required Best 12 Months: Subscription required Worst 12 Months: Subscription required
Efficiency Ratio (3-yrs): Subscription required Sharpe: Subscription required Stdev Sectors: Subscription required
Skewness (3-yrs): Subscription required Kurtosis (3-yrs): Subscription required Upside Potential (3-yrs): Subscription required

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13F Filings Available:
  • 2019-06-30 - 13F-HR/A (Subscription required)
  • 2019-06-30 - 13F-HR (Subscription required)
  • 2019-03-31 - 13F-HR (Subscription required)
  • 2018-12-31 - 13F-HR (Subscription required)
  • 2018-09-30 - 13F-HR (Subscription required)
  • 2018-06-30 - 13F-HR (Subscription required)
  • 2018-03-31 - 13F-HR (Subscription required)
  • 2017-12-31 - 13F-HR (Subscription required)
  • 2017-09-30 - 13F-HR (Subscription required)
  • 2017-06-30 - 13F-HR/A (Subscription required)
  • 2017-06-30 - 13F-HR (Subscription required)
  • 2017-03-31 - 13F-HR (Subscription required)
  • 2016-12-31 - 13F-HR (Subscription required)
  • 2016-09-30 - 13F-HR (Subscription required)
  • 2016-06-30 - 13F-HR (Subscription required)
  • 2016-03-31 - 13F-HR (Subscription required)
  • 2015-12-31 - 13F-HR (Subscription required)
  • 2015-09-30 - 13F-HR (Subscription required)
  • 2015-06-30 - 13F-HR (Subscription required)
  • 2015-03-31 - 13F-HR (Subscription required)
  • 2014-12-31 - 13F-HR (Subscription required)
  • 2014-09-30 - 13F-HR (Subscription required)
  • 2014-06-30 - 13F-HR (Subscription required)
  • 2014-03-31 - 13F-HR (Subscription required)
  • 2013-12-31 - 13F-HR (Subscription required)
  • 2013-09-30 - 13F-HR/A (Subscription required)
  • 2013-09-30 - 13F-HR (Subscription required)
  • 2013-06-30 - 13F-HR (Subscription required)
  • 2013-03-31 - 13F-HR (Subscription required)
  • 2012-12-31 - 13F-HR (Subscription required)
  • 2012-09-30 - 13F-HR (Subscription required)
  • 2012-06-30 - 13F-HR (Subscription required)
  • 2012-03-31 - 13F-HR (Subscription required)
  • 2011-12-31 - 13F-HR (Subscription required)
  • 2011-09-30 - 13F-HR (Subscription required)
  • 2011-06-30 - 13F-HR (Subscription required)
  • 2011-03-31 - 13F-HR (Subscription required)
  • 2010-12-31 - 13F-HR (Subscription required)
  • 2010-09-30 - 13F-HR (Subscription required)
  • 2010-06-30 - 13F-HR (Subscription required)
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  • 2009-12-31 - 13F-HR (Subscription required)
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  • 2007-12-31 - 13F-HR (Subscription required)
  • 2007-09-30 - 13F-HR (Subscription required)
  • 2007-06-30 - 13F-HR (Subscription required)
  • 2007-03-31 - 13F-HR (Subscription required)
  • 2006-12-31 - 13F-HR (Subscription required)
  • 2006-09-30 - 13F-HR (Subscription required)
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  • 2005-12-31 - 13F-HR (Subscription required)
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  • 2005-06-30 - 13F-HR (Subscription required)
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  • 2004-12-31 - 13F-HR (Subscription required)
  • 2004-09-30 - 13F-HR (Subscription required)
  • 2004-06-30 - 13F-HR (Subscription required)
  • 2004-03-31 - 13F-HR (Subscription required)
  • 2003-12-31 - 13F-HR (Subscription required)
  • 2003-09-30 - 13F-HR/A (Subscription required)
  • 2003-09-30 - 13F-HR (Subscription required)
  • 2003-06-30 - 13F-HR (Subscription required)
  • 2003-03-31 - 13F-HR (Subscription required)
  • 2002-12-31 - 13F-HR (Subscription required)
  • 2002-09-30 - 13F-HR (Subscription required)
  • 2002-06-30 - 13F-HR (Subscription required)
  • 2002-03-31 - 13F-HR (Subscription required)
  • 2001-12-31 - 13F-HR (Subscription required)
  • 2001-09-30 - 13F-HR (Subscription required)
  • 2001-06-30 - 13F-HR (Subscription required)
  • 2001-03-31 - 13F-HR (Subscription required)

View Last Form Adv Compilation Report on Record

ARDSLEY PARTNERS
Classified as Hedge Fund
262 HARBOR DRIVE 4TH FLOOR
STAMFORD CT    06902
Country: United States

Business Phone: 203-564-4200
Fax: 203-355-0715
Professional Investment Advisor Data
SEC Registration as : Large Advisory Firm
Form of Organization: Partnership
Organized in: NY
Number of employees: 13
Other Business Activities: commodity pool operator or commodity trading advisor
Advisor Fees/Compensation: Percentage of assets under management,Performance-based fees
Amount of client funds and securities: 122,859,000
Total Number of Clients: 7
Amount of client funds and securities by related persons: 772,456,000
Total Number of clients from related persons: 3
Disclosures: 11.C (2),11.C (4),11.C (5)
Data above was derived from SEC filings.

Active Schedule 13D and 13G events

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ARDSLEY ADVISORY PARTNERS LP

ownership team - last updated 2019-03-08
Name Title Start Date Direct/Indirect % Ownership
HEMPLEMAN, PHILIP, JAY LIMITED PARTNER 12/01/1986 Direct 50 - 75%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS MANAGING PARTNER direct 1986-12-01
ARDSLEY ADVISORY PARTNERS MANAGING PARTNER direct 1986-12-01
BALZER, KIRK, DANIEL LIMITED PARTNER 01/01/1998 Direct 10 - 25%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 1998-01-01
ARDSLEY ADVISORY PARTNERS PARTNER direct 1998-01-01
GORMAN, GEORGE, ARTHUR LIMITED PARTNER 03/01/1994 Direct less than 5%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 1994-03-01
ARDSLEY ADVISORY PARTNERS PARTNER direct 1994-03-01
NAPOLI, STEVEN, NICHOLAS LIMITED PARTNER, CHIEF FINANCIAL OFFICER, CHIEF COMPLIANCE OFFICER 11/01/2001 Direct less than 5%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER, CHIEF FINANCIAL OFFICER, CHIEF COMPLIANCE OFFICER direct 2001-11-01
ARDSLEY ADVISORY PARTNERS PARTNER,CFO,CHIEF COMPLIANCE OFFICER direct 2001-11-01
ARDSLEY ADVISORY PARTNERS CFO direct 2001-11-01 2003-01-23
ARDSLEY ADVISORY PARTNERS PARTNER direct 2001-11-01 2004-09-14
ARDSLEY ADVISORY PARTNERS PARTNER,CFO,CCO direct 2001-11-01 2006-01-18
HEMPLEMAN, SPENCER, JAY LIMITED PARTNER 01/01/2006 Direct 10 - 25%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 2006-01-01
ARDSLEY ADVISORY PARTNERS PARTNER direct 2006-01-01
BLOCK, BENJAMIN, IAN LIMITED PARTNER 06/01/2007 Direct less than 5%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 2007-06-01
ARDSLEY ADVISORY PARTNERS GP LLC GENERAL PARTNER 11/01/2018 Direct less than 5%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS GENERAL PARTNER direct 2018-11-01
ARDSLEY ADVISORY PARTNERS LP GENERAL PARTNER direct 2018-11-01
HEMPLEMAN, PHILIP, JAY MANAGING MEMBER ARDSLEY ADVISORY PARTNERS GP LLC 10/01/2018 Indirect 50 - 75%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS MANAGING PARTNER direct 1986-12-01
ARDSLEY ADVISORY PARTNERS MANAGING PARTNER direct 1986-12-01
HEMPLEMAN, SPENCER, JAY MANAGING MEMBER ARDSLEY ADVISORY PARTNERS GP LLC 10/01/2018 Indirect 50 - 75%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 2006-01-01
ARDSLEY ADVISORY PARTNERS PARTNER direct 2006-01-01

Private Funds

Name Country Fund Identification Number Fund Type Gross Asset Value Minimum Investment Other
ARDSLEY CONWAY FUND, LP United States 805-1472884558 Hedge Fund 3,194,497 1,000,000
ARDSLEY PARTNERS RENEWABLE ENERGY FUND, LP United States 805-3796359022 Hedge Fund 167,102,983 1,000,000
ARDSLEY DUCKDIVE FUND, L.P. United States 805-6080744152 Hedge Fund 49,214,710 1,000,000
ARDSLEY HEALTHCARE FUND, L.P. United States 805-7198887890 Hedge Fund 31,944,828 1,000,000
ARDSLEY PARTNERS ADVANCED HEALTHCARE FUND, L.P. United States 805-3678376240 Hedge Fund 297,469,094 1,000,000
ARDSLEY PARTNERS FUND II, LP United States 805-6544305413 Hedge Fund 102,754,741 1,000,000
ARDSLEY WORLD INFORMATION TECHNOLOGY FUND, L.P. United States 805-3431924397 Hedge Fund 54,984,638 1,000,000

ARDSLEY ADVISORY PARTNERS

ownership team - last updated 2019-01-23
Name Title Start Date Direct/Indirect % Ownership
HEMPLEMAN, PHILIP, JAY LIMITED PARTNER 12/01/1986 Direct 50 - 75%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS MANAGING PARTNER direct 1986-12-01
ARDSLEY ADVISORY PARTNERS MANAGING PARTNER direct 1986-12-01
BALZER, KIRK, DANIEL LIMITED PARTNER 01/01/1998 Direct 10 - 25%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 1998-01-01
ARDSLEY ADVISORY PARTNERS PARTNER direct 1998-01-01
GORMAN, GEORGE, ARTHUR LIMITED PARTNER 03/01/1994 Direct less than 5%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 1994-03-01
ARDSLEY ADVISORY PARTNERS PARTNER direct 1994-03-01
NAPOLI, STEVEN, NICHOLAS LIMITED PARTNER, CHIEF FINANCIAL OFFICER, CHIEF COMPLIANCE OFFICER 11/01/2001 Direct less than 5%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER, CHIEF FINANCIAL OFFICER, CHIEF COMPLIANCE OFFICER direct 2001-11-01
ARDSLEY ADVISORY PARTNERS PARTNER,CFO,CHIEF COMPLIANCE OFFICER direct 2001-11-01
ARDSLEY ADVISORY PARTNERS CFO direct 2001-11-01 2003-01-23
ARDSLEY ADVISORY PARTNERS PARTNER direct 2001-11-01 2004-09-14
ARDSLEY ADVISORY PARTNERS PARTNER,CFO,CCO direct 2001-11-01 2006-01-18
HEMPLEMAN, SPENCER, JAY LIMITED PARTNER 01/01/2006 Direct 10 - 25%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 2006-01-01
ARDSLEY ADVISORY PARTNERS PARTNER direct 2006-01-01
BLOCK, BENJAMIN, IAN LIMITED PARTNER 06/01/2007 Direct less than 5%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 2007-06-01
ARDSLEY ADVISORY PARTNERS GP LLC GENERAL PARTNER 11/01/2018 Direct less than 5%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS GENERAL PARTNER direct 2018-11-01
ARDSLEY ADVISORY PARTNERS LP GENERAL PARTNER direct 2018-11-01
HEMPLEMAN, PHILIP, JAY MANAGING MEMBER ARDSLEY ADVISORY PARTNERS GP LLC 10/01/2018 Indirect 50 - 75%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS MANAGING PARTNER direct 1986-12-01
ARDSLEY ADVISORY PARTNERS MANAGING PARTNER direct 1986-12-01
HEMPLEMAN, SPENCER, JAY MANAGING MEMBER ARDSLEY ADVISORY PARTNERS GP LLC 10/01/2018 Indirect 50 - 75%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 2006-01-01
ARDSLEY ADVISORY PARTNERS PARTNER direct 2006-01-01

Private Funds

Name Country Fund Identification Number Fund Type Gross Asset Value Minimum Investment Other
ARDSLEY RIDGECREST PARTNERS FUND, L.P. United States 805-2894055481 Hedge Fund 22,568,219 1,000,000
ARDSLEY HEALTHCARE FUND, L.P. United States 805-7198887890 Hedge Fund 34,821,000 1,000,000
ARDSLEY WORLD INFORMATION TECHNOLOGY FUND, L.P. United States 805-3431924397 Hedge Fund 40,772,000 1,000,000
ARDSLEY DUCKDIVE FUND, L.P. United States 805-6080744152 Hedge Fund 43,813,000 1,000,000
ARDSLEY PARTNERS ADVANCED HEALTHCARE FUND, L.P. United States 805-3678376240 Hedge Fund 373,451,000 1,000,000
ARDSLEY PARTNERS RENEWABLE ENERGY FUND, LP United States 805-3796359022 Hedge Fund 234,187,000 1,000,000
ARDSLEY PARTNERS FUND II, LP United States 805-6544305413 Hedge Fund 164,818,000 1,000,000
ARDSLEY CONWAY FUND, LP United States 805-1472884558 Hedge Fund 3,453,000 1,000,000

ARDSLEY ADVISORY PARTNERS

ownership team - last updated 2017-04-17
Name Title Start Date Direct/Indirect % Ownership
HEMPLEMAN, PHILIP, JAY MANAGING PARTNER 12/01/1986 Direct 50 - 75%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS MANAGING PARTNER direct 1986-12-01
ARDSLEY ADVISORY PARTNERS MANAGING PARTNER direct 1986-12-01
BALZER, KIRK, DANIEL PARTNER 01/01/1998 Direct 10 - 25%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 1998-01-01
ARDSLEY ADVISORY PARTNERS PARTNER direct 1998-01-01
GORMAN, GEORGE, ARTHUR PARTNER 03/01/1994 Direct less than 5%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 1994-03-01
ARDSLEY ADVISORY PARTNERS PARTNER direct 1994-03-01
NAPOLI, STEVEN, NICHOLAS PARTNER, CHIEF FINANCIAL OFFICER, CHIEF COMPLIANCE OFFICER 11/01/2001 Direct less than 5%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER, CHIEF FINANCIAL OFFICER, CHIEF COMPLIANCE OFFICER direct 2001-11-01
ARDSLEY ADVISORY PARTNERS PARTNER,CFO,CHIEF COMPLIANCE OFFICER direct 2001-11-01
ARDSLEY ADVISORY PARTNERS CFO direct 2001-11-01 2003-01-23
ARDSLEY ADVISORY PARTNERS PARTNER direct 2001-11-01 2004-09-14
ARDSLEY ADVISORY PARTNERS PARTNER,CFO,CCO direct 2001-11-01 2006-01-18
HEMPLEMAN, SPENCER, JAY PARTNER 01/01/2006 Direct 10 - 25%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 2006-01-01
ARDSLEY ADVISORY PARTNERS PARTNER direct 2006-01-01
BLOCK, BENJAMIN, IAN PARTNER 06/01/2007 Direct less than 5%
Fund Name Position direct/indirect start date end date
ARDSLEY ADVISORY PARTNERS PARTNER direct 2007-06-01

Private Funds

Name Country Fund Identification Number Fund Type Gross Asset Value Minimum Investment Other
ARDSLEY DUCKDIVE FUND, L.P. United States 805-6080744152 Hedge Fund 30,129,828 1,000,000
ARDSLEY HEALTHCARE FUND, L.P. United States 805-7198887890 Hedge Fund 20,692,098 1,000,000
ARDSLEY PARTNERS INSTITUTIONAL FUND, LP United States 805-7871013638 Hedge Fund 198,032,173 1,000,000
ARDSLEY WORLD INFORMATION TECHNOLOGY FUND, L.P. United States 805-3431924397 Hedge Fund 41,022,917 1,000,000
ARDSLEY PARTNERS ADVANCED HEALTHCARE FUND, L.P. United States 805-3678376240 Hedge Fund 121,509,810 1,000,000
ARDSLEY PARTNERS RENEWABLE ENERGY FUND, LP United States 805-3796359022 Hedge Fund 196,294,534 1,000,000
ARDSLEY PARTNERS FUND II, LP United States 805-6544305413 Hedge Fund 184,904,981 1,000,000

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