# Alterra IOS Manager, LLC

> Alterra IOS Manager, LLC is an SEC-registered investment advisory firm in Radnor, PA, registered since 2023, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated March 27, 2026.

- CRD: 324445
- Filed as: ALTERRA IOS MANAGER, LLC
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Radnor, PA
- Filing period: October 2026
- Form ADV filing dated: March 27, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/324445
- AdvisorCensus page: https://advisorcensus.com/firm/alterra-ios-manager-llc-radnor-pa-324445

## Quick answers

**How is Alterra IOS Manager, LLC compensated?**
On its Form ADV (Item 5.E, October 2026), Alterra IOS Manager, LLC reports these compensation arrangements: a percentage of assets under its management; performance-based fees.

**Where is Alterra IOS Manager, LLC located?**
Alterra IOS Manager, LLC's principal office is in Radnor, PA, according to its Form ADV; the April 2026 filing also lists 1 other office (Schedule D, Section 1.F).

**Is Alterra IOS Manager, LLC registered with the SEC or a state?**
Alterra IOS Manager, LLC is an SEC-registered investment advisory firm, registered since 2023. Status as filed: Approved. CRD 324445.

**How much does Alterra IOS Manager, LLC manage?**
Alterra IOS Manager, LLC reports $3,185,889,654 in regulatory assets under management in its Form ADV filing dated March 27, 2026 (100% discretionary).

**How have Alterra IOS Manager, LLC's assets and staff changed since 2023?**
In the Form ADV data for Alterra IOS Manager, LLC: Regulatory assets under management: $1,070,488,063 in the October 2023 data and $3,185,889,654 in the October 2026 data, up 198%. Total employees: 25 in October 2023 and 44 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Alterra IOS Manager, LLC serve?**
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (5).

**Does Alterra IOS Manager, 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/324445

**Does Alterra IOS Manager, LLC state an account minimum?**
Its Form ADV Part 2A brochure dated March 27, 2026 says: "The offering documents of each Fund contain minimum amounts for investment by prospective investors, generally $5,000,000, which may be waived by the applicable General Partner at its discretion."

**What changed in Alterra IOS Manager, LLC's recent Form ADV filings?**
In the April 2026 filing data: Employees performing advisory functions went from 15 to 20. Regulatory assets under management went from $2,674,984,113 to $3,185,889,654 (+19%).

## From the Form ADV filing

### Compensation (Item 5.E)
- A percentage of assets under your management
- Performance-based fees

### Fees and minimums (Form ADV Part 2A brochure dated March 27, 2026)

- Account minimum: $5,000,000 (the brochure says it may be waived or negotiated)

> The offering documents of each Fund contain minimum amounts for investment by prospective investors, generally $5,000,000, which may be waived by the applicable General Partner at its discretion.

As stated in the firm's brochure. Fees can differ by service and may be negotiable.

### Regulatory assets under management (Item 5.F)
- Total: $3,185,889,654
- Discretionary: $3,185,889,654
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Pooled investment vehicles (other than investment companies and business development companies) | 5 | $3,185,889,654 |

### Advisory services (Item 5.G)
- Portfolio management for pooled investment vehicles (other than investment companies)

### Firm details
- Registered since: 2023 (3 years)
- Employees: 44 total, 20 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: PA
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the April 2026 filing
- Philadelphia, PA

### Websites listed on Form ADV (Item 1.I)
- ios.alterraproperty.com
- LinkedIn @alterraproperty

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2023 | $1,070,488,063 | 25 | May 11, 2023 |
| October 2024 | $2,129,075,769 | 36 | March 29, 2024 |
| October 2025 | $2,674,984,113 | 42 | March 31, 2025 |
| October 2026 | $3,185,889,654 | 44 | March 27, 2026 |

Regulatory assets under management: $1,070,488,063 in the October 2023 data and $3,185,889,654 in the October 2026 data, up 198%.
Total employees: 25 in October 2023 and 44 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Employees performing advisory functions went from 15 to 20.
- Regulatory assets under management went from $2,674,984,113 to $3,185,889,654 (+19%).

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Alterra IOS Manager, LLC (CRD 324445): Form ADV filing data as of October 2026.