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Iridian Asset Management LLC

Westport, CTSEC-registered investment adviserCRD 104550

Filed as IRIDIAN ASSET MANAGEMENT LLC

Iridian Asset Management LLC is an SEC-registered investment advisory firm in Westport, CT, registered since 1995, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated August 12, 2026.

30 years
registered since 1995
$280,161,820
assets under management
2 arrangements
Percentage of assets, Performance-based
None
disclosure items (Item 11)

Quick answers

From the filing

How is Iridian Asset Management LLC compensated?

On its Form ADV (Item 5.E, October 2026), Iridian Asset Management LLC reports these compensation arrangements: a percentage of assets under its management; performance-based fees.

Where is Iridian Asset Management LLC located?

Iridian Asset Management LLC's principal office is in Westport, CT, according to its Form ADV.

Is Iridian Asset Management LLC registered with the SEC or a state?

Iridian Asset Management LLC is an SEC-registered investment advisory firm, registered since 1995. Status as filed: Approved. CRD 104550.

How much does Iridian Asset Management LLC manage?

Iridian Asset Management LLC reports $280,161,820 in regulatory assets under management in its Form ADV filing dated August 12, 2026 (100% discretionary).

How have Iridian Asset Management LLC's assets and staff changed since 2021?

In the Form ADV data for Iridian Asset Management LLC: Regulatory assets under management: $5,633,603,201 in the October 2021 data and $280,161,820 in the October 2026 data, down 95%. Total employees: 41 in October 2021 and 5 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does Iridian Asset Management LLC serve?

By number of clients on Form ADV Item 5.D: high net worth individuals (7); pooled investment vehicles (other than investment companies and business development companies) (4); other (2).

Which custodians does Iridian Asset Management LLC use?

Iridian Asset Management LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists BNY Mellon Private Wealth, CIBC Private Wealth and Northern Trust Securities, Inc. as custodians holding 10% or more of its separately managed account assets.

Does Iridian Asset Management LLC report any disciplinary disclosures?

Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/104550

What changed in Iridian Asset Management LLC's recent Form ADV filings?

In the April 2026 filing data: Employees performing advisory functions went from 5 to 3. Regulatory assets under management went from $366,873,060 to $280,161,820 (-24%).

From the Form ADV filing

Every figure below is as the firm filed it with regulators, as of October 2026.

How the firm is compensated

Item 5.E
  • A percentage of assets under your management
  • Performance-based fees

Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ

Fees and minimums

Form ADV Part 2A

The brochure lists different fees for different services or strategies. See the firm's brochure (dated August 12, 2026) for its fees and any account minimum, on the SEC's IAPD site.

Regulatory assets under management

Item 5.F
$280,161,820

$280,161,820 as of October 2026, filing dated August 12, 2026.

Discretionary: $280,161,820.Non-discretionary: $0.

A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means

Who the firm serves

Item 5.D
High net worth individuals
Clients 7 Assets $82,753,905 (30%)
Pooled investment vehicles (other than investment companies and business development companies)
Clients 4 Assets $164,504,183 (59%)
Corporations or other businesses not listed above
Clients 1 Assets $24,749,122 (9%)
Other
Clients 2 Assets $8,154,610 (3%)

A firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.

Advisory services

Item 5.G
  • Portfolio management for individuals and/or small businesses
  • Portfolio management for pooled investment vehicles (other than investment companies)
  • Portfolio management for businesses (other than small businesses) or institutional clients

Registration and firm details

Items 1, 2, 5
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
1995 (30 years)
Employees
Total: 5. Performing investment advisory functions: 3.
Wrap fee program participation
No.
Custodians (Schedule D, Section 5.K(3))
BNY Mellon Private WealthCIBC Private WealthNorthern Trust Securities, Inc.

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

States registered or notice-filed
5 states or jurisdictions
CTMAMINYTX

SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration

Disclosures

Item 11

None Reports no disclosure items on Form ADV Item 11. View on IAPD.

Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures

Assets and staff over time

Items 5.A, 5.F
$5.63B 2021 $1.7B 2022 $896M 2023 $372M 2024 $367M 2025 $280M 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$280,161,8205August 12, 2026
October 2025$366,873,0609July 2, 2025
October 2024$372,306,40511March 20, 2024
October 2023$895,701,16911March 15, 2023
October 2022$1,698,287,82720August 15, 2022
October 2021$5,633,603,20141March 29, 2021

Regulatory assets under management: $5,633,603,201 in the October 2021 data and $280,161,820 in the October 2026 data, down 95%.

Total employees: 41 in October 2021 and 5 in October 2026.

As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.

Changes in the filing

Last 12 months
  1. April 2026
    • Employees performing advisory functions went from 5 to 3.
    • Regulatory assets under management went from $366,873,060 to $280,161,820 (-24%).
  2. January 2026
    • No longer registered or notice-filed in WI.

Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.

Websites listed on Form ADV

Item 1.I
iridian.com

Source: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."

Cite this page

AdvisorCensus. Iridian Asset Management LLC (CRD 104550): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/iridian-asset-management-llc-westport-ct-104550