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Essex Woodlands Management

Private funds

The Woodlands, TXCRD 158263Updated

Essex Woodlands Management is an investment adviser based in The Woodlands, TX, registered with the SEC since 2012. It provides investment management. Its clients include pooled investment vehicles. Its regulatory assets under management total $2.06 billion, as filed on 12 May 2026.

19
Clients
Not reported
AUM per individual client
13
Advisory staff
3
Offices

From Form ADV filed 12 May 2026SEC record

Services and clients

Essex Woodlands Management provides portfolio management for pooled vehicles. The firm advises 19 private funds.

Essex Woodlands Management reports 19 pooled investment vehicles. These counts refer to investment vehicles, rather than the individual investors in them. Of its assets, 100.0% ($2.06B across 19 accounts) are managed with discretion.

Clients and assets by client type
Clients19 clients
Assets$2.06B
Client typeClientsAssets
Pooled investment vehicles100%100%
Client breakdown and activity details
Pooled investment vehicles
Clients
19
Regulatory AUM
$2.06B
AUM share
100.0%
Avg. per client
$108M

Total

Clients
19
Regulatory AUM
$2.06B
AUM share
100%
Avg. per client
$108M
Clients outside the U.S.
0%
Clients advised without assets under management last fiscal year
0
Private funds advised
19

Fees and minimums

Essex Woodlands Management is paid through a percentage of assets under management, performance-based fees and other compensation; its fees and minimums are set out in its brochures on the SEC website.

Ownership and people

Immanuel Thangaraj owns 25% to 50% of Essex Woodlands Management. The leadership team of Essex Woodlands Management includes President Martin Sutter. It has 13 employees.

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Staff

  • 13 employees
  • 13 in advisory functions
Who owns the firm
Essex Woodlands Management, Inc.· the adviser
  • Immanuel Thangaraj

    Control person · since November 2003

    Owns 25% to 50% of Essex Woodlands Management, Inc.
  • Martin Sutter

    Control person · since November 2003

    Owns 25% to 50% of Essex Woodlands Management, Inc.
  • Petri Vainio

    Control person · since November 2003

    Owns 25% to 50% of Essex Woodlands Management, Inc.
  • Jeff Himawan

    Control person · since November 2003

    Owns 10% to 25% of Essex Woodlands Management, Inc.

Growth and acquisitions

Essex Woodlands Management’s regulatory assets fell from $3.22B (April 2021) to $2.06B (May 2026); clients fell from 21 to 19 and employees from 20 to 13.

By annual filing
Measure
Figures from each annual filing
FiledRegulatory AUMClientsStaffEmployeesOffices
May 2026May 2026$2.06B19133
May 2025May 2025$2.05B19163
Jul 2024July 2024$2.24B22173
May 2023May 2023$2.08B20183
Jun 2022June 2022$2.3B20193
Apr 2021April 2021$3.22B21204

Offices and registration details

Besides its headquarters, Essex Woodlands Management has 2 offices, with 3 listed addresses in the U.S. and abroad.

Listed office addresses by state

Texas · 1 listed address

  • 21 Waterway Avenue, Suite 150, The WoodlandsHQ

International offices

  • 5TH FLOOR, LONDON, SW1Y 4JH, United Kingdom

Contact and registration details

Legal name
Essex Woodlands Management, Inc.
Headquarters
21 Waterway Avenue, Suite 150, The Woodlands, TX 77380-3099
SEC file
801-73888
Structure
Delaware corporation
Fiscal year end
December

Custodians

Essex Woodlands Management has custody of client assets.

Investments and reported holdings

Essex Woodlands Management’s reported 13F holdings for the quarter ended 30 June 2026 total $254M across 5 positions; the largest are Bioventus Inc. (48.3%), Mimedx Group Inc. (42.7%) and Eyepoint Pharmaceuticals Inc. (6.1%).

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Common questions

How many clients does Essex Woodlands Management have?

Essex Woodlands Management has 19 clients and manages $2.06 billion for them, as of May 2026. They include 19 pooled investment vehicles.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 12 May 2026

What services does Essex Woodlands Management offer?

Essex Woodlands Management provides portfolio management for pooled vehicles.

Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file

How many financial advisors does Essex Woodlands Management have?

Essex Woodlands Management has 0 investment adviser representatives registered with state securities authorities, out of 13 employees, and 13 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.

Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file

Who owns Essex Woodlands Management?

Essex Woodlands Management’s direct owners are Immanuel Thangaraj, Martin Sutter, Petri Vainio and Jeff Himawan, each holding 50% or less.

Source: Form ADV Part 1A, Schedules A and B, filed 12 May 2026

How does Essex Woodlands Management get paid?

Essex Woodlands Management is paid through a percentage of assets under management, performance-based fees and other compensation. Its Form ADV lists no commissions among how it is paid.

Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file

How do I contact Essex Woodlands Management?

Essex Woodlands Management’s main office is at 21 Waterway Avenue, Suite 150, The Woodlands, TX 77380-3099. Its phone number is 281-364-1555. Its website is ewhealthcare.com.

Source: Form ADV Part 1A, Item 1.F, filed 12 May 2026

Sources and methodology

  1. Form ADV Part 1A, amendment filed 12 May 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. IAPD firm record, CRD 158263.
  3. SEC registered adviser data, annual Form ADV amendments filed 30 April 2021 to 12 May 2026. Items 1.F and 5.
  4. Form 13F-HR, filed 4 August 2026 for the quarter ended 30 June 2026.

Retrieved 15 October 2026. All are published by the SEC and may have been amended since. Disciplinary history is not yet shown here. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one.

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