# Blackstone ISG-II Advisors L.L.C.

> Blackstone ISG-II Advisors L.L.C. is an SEC-registered investment advisory firm in New York, NY, registered since 2017, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated March 30, 2026.

- CRD: 289550
- Filed as: BLACKSTONE ISG-II ADVISORS L.L.C.
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: New York, NY
- Filing period: October 2026
- Form ADV filing dated: March 30, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/289550
- AdvisorCensus page: https://advisorcensus.com/firm/blackstone-isg-ii-advisors-l-l-c-new-york-ny-289550

## Quick answers

**How is Blackstone ISG-II Advisors L.L.C. compensated?**
On its Form ADV (Item 5.E, October 2026), Blackstone ISG-II Advisors L.L.C. reports these compensation arrangements: a percentage of assets under its management; performance-based fees. The amounts are in Item 5 of its Form ADV Part 2A brochure.

**Where is Blackstone ISG-II Advisors L.L.C. located?**
Blackstone ISG-II Advisors L.L.C.'s principal office is in New York, NY, according to its Form ADV; the April 2026 filing also lists 4 other offices (Schedule D, Section 1.F).

**Is Blackstone ISG-II Advisors L.L.C. registered with the SEC or a state?**
Blackstone ISG-II Advisors L.L.C. is an SEC-registered investment advisory firm, registered since 2017. Status as filed: Approved. CRD 289550.

**How much does Blackstone ISG-II Advisors L.L.C. manage?**
Blackstone ISG-II Advisors L.L.C. reports $8,006,994,436 in regulatory assets under management in its Form ADV filing dated March 30, 2026 (100% discretionary).

**How have Blackstone ISG-II Advisors L.L.C.'s assets and staff changed since 2021?**
In the Form ADV data for Blackstone ISG-II Advisors L.L.C.: Regulatory assets under management: $3,265,130,073 in the October 2021 data and $8,006,994,436 in the October 2026 data, up 145%. Total employees: 33 in October 2021 and 114 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Blackstone ISG-II Advisors L.L.C. serve?**
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (8).

**Does Blackstone ISG-II Advisors L.L.C. 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/289550

**What changed in Blackstone ISG-II Advisors L.L.C.'s recent Form ADV filings?**
In the April 2026 filing data: Employees performing advisory functions went from 32 to 44. Regulatory assets under management went from $14,468,008,713 to $8,006,994,436 (-45%). Added an office in Hong Kong. Added an office in Singapore.

## From the Form ADV filing

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

### Regulatory assets under management (Item 5.F)
- Total: $8,006,994,436
- Discretionary: $8,006,994,436
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 0 | $0 |
| High net worth individuals | 0 | $0 |
| Banking or thrift institutions | 0 | $0 |
| Investment companies | 0 | $0 |
| Business development companies | 0 | $0 |
| Pooled investment vehicles (other than investment companies and business development companies) | 8 | $8,006,994,436 |
| Pension and profit sharing plans (but not the plan participants or government pension plans) | 0 | $0 |
| Charitable organizations | 0 | $0 |
| State or municipal government entities (including government pension plans) | 0 | $0 |
| Other investment advisers | 0 | $0 |
| Insurance companies | 0 | $0 |
| Sovereign wealth funds and foreign official institutions | 0 | $0 |
| Corporations or other businesses not listed above | 0 | $0 |
| Other | 0 | $0 |

### Advisory services (Item 5.G)
- Portfolio management for pooled investment vehicles (other than investment companies)
- Selection of other advisers (including private fund managers)

### Firm details
- Registered since: 2017 (9 years)
- Employees: 114 total, 44 performing advisory functions
- Wrap fee program participation: No
- 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
- Hong Kong
- London
- Marunouchi, Chiyoda-Ku, Tokyo
- Singapore

### Websites listed on Form ADV (Item 1.I)
- [apple.co/31Pe1Gg](https://apple.co/31Pe1Gg)
- [blackstone.com](https://blackstone.com)
- [blackstone.podbean.com](https://blackstone.podbean.com)
- [mp.weixin.qq.com/s/FtddoP2F9zDZ1QFBgOQAAA](https://mp.weixin.qq.com/s/FtddoP2F9zDZ1QFBgOQAAA)
- [open.spotify.com/artist/52Eom8vQxM8Lk75ZZlf2hJ](https://open.spotify.com/artist/52Eom8vQxM8Lk75ZZlf2hJ)
- [pandora.com/artist/blackstone/ARvlPz9Plblrlmg](https://pandora.com/artist/blackstone/ARvlPz9Plblrlmg)
- [soundcloud.com/BLACKSTONE-300250613](https://soundcloud.com/BLACKSTONE-300250613)
- [spoti.fi/2LJ1tHG](https://spoti.fi/2LJ1tHG)
- Facebook @BLACKSTONE
- Instagram @BLACKSTONE
- LinkedIn @blackstonegroup
- X @BLACKSTONE
- YouTube @BLACKSTONEGROUP

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $3,265,130,073 | 33 | June 17, 2021 |
| October 2022 | $6,551,808,950 | 43 | April 29, 2022 |
| October 2023 | $6,532,506,174 | 61 | March 31, 2023 |
| October 2024 | $14,290,273,102 | 72 | April 29, 2024 |
| October 2025 | $14,468,008,713 | 97 | March 28, 2025 |
| October 2026 | $8,006,994,436 | 114 | March 30, 2026 |

Regulatory assets under management: $3,265,130,073 in the October 2021 data and $8,006,994,436 in the October 2026 data, up 145%.
Total employees: 33 in October 2021 and 114 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Employees performing advisory functions went from 32 to 44.
- Regulatory assets under management went from $14,468,008,713 to $8,006,994,436 (-45%).
- Added an office in Hong Kong.
- Added an office in Singapore.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Blackstone ISG-II Advisors L.L.C. (CRD 289550): Form ADV filing data as of October 2026.