Investment adviser · CRD 301116
ARDSLEY PARTNERS
Investment adviser filing (IA)
ARDSLEY ADVISORY PARTNERS LP
NORWALK, CT, United States · Form ADV filed May 6, 2026
- Regulatory AUM
- $1.64B Form ADV · Item 5.F
- Client accounts
- 11 Accounts, not individual clients
- Employees
- 11 Reported in this filing
- Advisory professionals
- 7 Investment advisory functions
Who they report serving
Form ADV · Item 5.DClient types and their share of reported regulatory assets.
| Client type | Clients | Regulatory assets | Share of AUM |
|---|---|---|---|
| Pooled investment vehicles | 9 | $1,426,203,216 | 87.2% |
| Other clients | 2 | $209,498,405 | 12.8% |
Filing source
Form ADV 2103387 · May 6, 2026 · Item 5.D
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
Private funds & service providers
8 Private fundsThe count excludes feeder funds. Funds in the latest filing appear first, ordered by reported gross assets. Earlier funds retain their last reported values.
ARDSLEY PARTNERS ADVANCED HEALTHCARE FUND, L.P.Hedge Fund · Last reported May 6, 2026$332MGross asset value
Form D fundraising filings
Ardsley Partners Advanced Healthcare Fund, L.P.
Provider details
- Annual audit
- No
- Prime brokers
- Yes
- Custodians
- Yes
- Administrator other than the adviser
- Yes
- External marketing
- No
GOLDMAN SACHS & CO. LLC
SEC 8-129
MORGAN STANLEY & CO. LLC
SEC 8-15869
NORTHERN TRUST SECURITIES, INC.
SEC 8-23689
GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129
MORGAN STANLEY & CO. LLC
CRD 8209 · SEC 8-15869
Fund details & source
- Fund ID
- 805-3678376240
- Reported beneficial owners
- 4
- Minimum commitment
- $1M
- Form D file number
- 021-259166
Form ADV 2103387 · May 6, 2026 · Schedule D 7.B.(1)
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
ARDSLEY SUSTAINABLE OPPORTUNITIES FUND, L.P.Hedge Fund · Last reported May 6, 2026$310MGross asset value
Form D fundraising filings
Ardsley Sustainable Opportunities Fund, L.P.
Provider details
- Annual audit
- Yes
- Prime brokers
- Yes
- Custodians
- Yes
- Administrator other than the adviser
- Yes
- External marketing
- Yes
BDO USA, LLP
PCAOB 243
BTIG, LLC
SEC 8-65473
GOLDMAN SACHS & CO. LLC
SEC 8-129
NORTHERN TRUST SECURITIES, INC.
SEC 8-23689
CASTLE HILL CAPITAL PARTNERS, INC.
CRD 44131 · SEC 8-50550
BTIG, LLC
CRD 122225 · SEC 8-65473
GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129
Fund details & source
- Fund ID
- 805-3796359022
- Reported beneficial owners
- 35
- Minimum commitment
- $1M
- Form D file number
- 021-139490
Form ADV 2103387 · May 6, 2026 · Schedule D 7.B.(1)
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
ARDSLEY WORLD INFORMATION TECHNOLOGY FUND, L.P.Hedge Fund · Last reported May 6, 2026$108MGross asset value
Form D fundraising filings
Ardsley World Information Technology Fund, L.P.
Feeder funds
- ARDSLEY WORLD INFORMATION TECHNOLOGY OFFSHORE FUND LTD.
Provider details
- Annual audit
- Yes
- Prime brokers
- Yes
- Custodians
- Yes
- Administrator other than the adviser
- Yes
- External marketing
- Yes
BDO USA, LLP
PCAOB 243
MAREX CAPITAL MARKETS INC.
SEC 8-69039
MORGAN STANLEY & CO. LLC
SEC 8-15869
NORTHERN TRUST SECURITIES, INC.
SEC 8-23689
CASTLE HILL CAPITAL PARTNERS, INC.
CRD 44131 · SEC 8-50550
MAREX CAPITAL MARKETS INC.
CRD 161014 · SEC 8-69039
MORGAN STANLEY & CO. LLC
CRD 8209 · SEC 8-15869
Fund details & source
- Fund ID
- 805-3431924397
- Reported beneficial owners
- 8
- Minimum commitment
- $1M
- Form D file number
- 021-326100
Form ADV 2103387 · May 6, 2026 · Schedule D 7.B.(1)
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
ARDSLEY PARTNERS FUND II, LPHedge Fund · Last reported May 6, 2026$54.3MGross asset value
Provider details
- Annual audit
- Yes
- Prime brokers
- Yes
- Custodians
- Yes
- Administrator other than the adviser
- Yes
- External marketing
- Yes
BDO USA, LLP
PCAOB 243
GOLDMAN SACHS & CO. LLC
SEC 8-129
MORGAN STANLEY & CO. LLC
SEC 8-15869
NORTHERN TRUST SECURITIES, INC.
SEC 8-23689
CASTLE HILL CAPITAL PARTNERS, INC.
CRD 44131 · SEC 8-50550
GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129
MORGAN STANLEY & CO. LLC
CRD 8209 · SEC 8-15869
Fund details & source
- Fund ID
- 805-6544305413
- Reported beneficial owners
- 11
- Minimum commitment
- $1M
- Form D file number
- 021-836048
Form ADV 2103387 · May 6, 2026 · Schedule D 7.B.(1)
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
ARDSLEY DUCKDIVE FUND LPHedge Fund · Last reported May 6, 2026$25.6MGross asset value
Form D fundraising filings
Provider details
- Annual audit
- No
- Prime brokers
- Yes
- Custodians
- Yes
- Administrator other than the adviser
- Yes
- External marketing
- No
GOLDMAN SACHS & CO. LLC
SEC 8-129
NORTHERN TRUST SECURITIES, INC.
SEC 8-23689
GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129
Fund details & source
- Fund ID
- 805-6080744152
- Reported beneficial owners
- 6
- Minimum commitment
- $1M
- Form D file number
- 021-264092
Form ADV 2103387 · May 6, 2026 · Schedule D 7.B.(1)
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
ARDSLEY RIDGECREST PARTNERS FUND, L.P.Hedge Fund · Last reported Jan 30, 2024$25.8MGross asset value
Form D fundraising filings
Ardsley Ridgecrest Partners Fund, L.P.
Provider details
- Annual audit
- No
- Prime brokers
- Yes
- Custodians
- Yes
- Administrator other than the adviser
- Yes
- External marketing
- No
MAREX CAPITAL MARKETS INC.
SEC 8-69039
NORTHERN TRUST SECURITIES, INC.
SEC 8-23689
MAREX CAPITAL MARKETS INC.
CRD 161014 · SEC 8-69039
Fund details & source
- Fund ID
- 805-2894055481
- Reported beneficial owners
- 4
- Minimum commitment
- $1M
- Form D file number
- 021-213953
Form ADV 1814119 · Jan 30, 2024 · Schedule D 7.B.(1)
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
ARDSLEY HEALTHCARE FUND, L.P.Hedge Fund · Last reported Mar 10, 2021$10.3MGross asset value
Form D fundraising filings
Provider details
- Annual audit
- No
- Prime brokers
- Yes
- Custodians
- Yes
- Administrator other than the adviser
- Yes
- External marketing
- No
COWEN AND COMPANY, LLC
SEC 8-22522
NORTHERN TRUST SECURITIES, INC.
SEC 8-23689
COWEN AND COMPANY
CRD 7616 · SEC 8-22522
Fund details & source
- Fund ID
- 805-7198887890
- Reported beneficial owners
- 2
- Minimum commitment
- $1M
- Form D file number
- 021-326117
Form ADV 1501085 · Mar 10, 2021 · Schedule D 7.B.(1)
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
Services & filing details
Most recent filing: May 6, 2026. View historical filings
Reported services
Pooled investment vehicle management · Business portfolio management
Compensation
Percentage of assets · Performance-based
Principal office
105 ROWAYTON AVE.NORWALK, CT, 06853, United States
CRD 301116
Filing source
Form ADV 2103387 · May 6, 2026 · Items 1 & 5
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.