Cion Investment Management, Llc
SEC-registered
Investment Adviser · Mid-sized ($1B–$10B)
CRD 160386
· SEC file 801-77235
· New York, NY
· WWW.CIONBDC.COM
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ADV data as of Mar 27, 2026
- Regulatory AUM
- $1.8B
- Discretionary
- $1.8B
- Clients
- 1
- Avg AUM / client
- $1.8B
- Accounts
- 1
- Employees
- 27
AUM over time
$0
$2.0B
Dec 2011
Dec 2025
Annual snapshots from Form ADV filings · as of Mar 27, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Business development companies | 1 | $1.8B | 100.0% |
People (9)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Franz, Keith, Scott | Managing Director And Cfo | Sep 2011 (15y) | Less than 5% | |
| Gatto, Mark | Co Ceo, Director | Sep 2011 (15y) | ≈ 7.03% – 37.5% via Gatto Living Trust | |
| Reisner, Michael, Adam | Co Ceo, Director | Sep 2011 (15y) | ≈ 7.03% – 37.5% via Michael Reisner Revocable Living Trust | |
| Schill, Gregory, Michael | Managing Director | Sep 2011 (15y) | Less than 5% | |
| Roman, Stephen | Chief Compliance Officer | Feb 2016 (11y) | Less than 5% | |
| Bresner, Gregg, Alan | President And Chief Investment Officer | Apr 2016 (10y) | Less than 5% | |
| Widra, Howard, Todd | Director | Jul 2017 (9y) | Less than 5% | |
| Pinero, Eric, Anthony | Chief Legal Officer | Nov 2021 (5y) | Less than 5% | |
| Arestia, Charles | Managing Director | Mar 2024 (2y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Cion Investment Group, Llc | Member Series A Interests | Sep 2011 | A | 75% or more |
| Noic Ventures, Llc | Member Series B Interests | Dec 2013 | A | 75% or more |
| Apollo Investment Management, L.P. | Member Series C Interests | Jul 2017 | A | 75% or more |
| Apollo Management Holdings, L.P. | Limited Partner | Feb 2007 | B | ≈ 56.25% – 100% via Apollo Investment Management, L.P. |
| Amh Holdings (Cayman), L.P. | Limited Partner | Oct 2012 | B | ≈ 42.19% – 100% via Apollo Management Holdings, L.P. |
| Apollo Asset Management, Inc | Sole Member | Jan 2022 | B | ≈ 15.82% – 75% via Apo Corp. |
| Warrenton Capital Corp. | Member Series B | Jan 2020 | B | ≈ 37.5% – 75% via Cion Investment Group, Llc |
| Apo Corp. | Limited Partner | Oct 2012 | B | ≈ 21.09% – 75% via Amh Holdings (Cayman), L.P. |
| Apollo Global Management, Inc. | Limited Partner | Jan 2022 | B | ≈ 10.55% – 50% via Amh Holdings (Cayman), L.P. |
| Michael Reisner Revocable Living Trust | Shareholder | Feb 2024 | B | ≈ 9.38% – 37.5% via Warrenton Capital Corp. |
| Gatto Living Trust | Shareholder | Feb 2024 | B | ≈ 9.38% – 37.5% via Warrenton Capital Corp. |
| Acc Management, Llc | General Partner | Feb 2004 | B | GP / trustee / elected manager of Apollo Investment Management, L.P. (indirect) |
| Apollo Capital Management, L.P. | Sole Member Manager | Aug 2007 | B | GP / trustee / elected manager of Acc Management, Llc (indirect) |
| Apollo Capital Management Gp, Llc | General Partner | Aug 2007 | B | GP / trustee / elected manager of Apollo Capital Management, L.P. (indirect) |
| Apollo Management Holdings Gp, Llc | General Partner | Jan 2007 | B | GP / trustee / elected manager of Apollo Management Holdings, L.P. (indirect) |
| Amh Holdings Gp, Ltd. | General Partner | Oct 2012 | B | GP / trustee / elected manager of Amh Holdings (Cayman), L.P. (indirect) |
Estimated effective ownership (look-through of filed bands):
- Gatto, Mark: 75% – 100% of Gatto Living Trust × 25% – 50% of Warrenton Capital Corp. × 50% – 75% of Cion Investment Group, Llc × 75% – 100% direct ≈ 7.03% – 37.5% of the firm
- Reisner, Michael, Adam: 75% – 100% of Michael Reisner Revocable Living Trust × 25% – 50% of Warrenton Capital Corp. × 50% – 75% of Cion Investment Group, Llc × 75% – 100% direct ≈ 7.03% – 37.5% of the firm
- Apollo Management Holdings, L.P.: 75% – 100% of Apollo Investment Management, L.P. × 75% – 100% direct ≈ 56.25% – 100% of the firm
- Amh Holdings (Cayman), L.P.: 75% – 100% of Apollo Management Holdings, L.P. × 75% – 100% of Apollo Investment Management, L.P. × 75% – 100% direct ≈ 42.19% – 100% of the firm
- Apollo Asset Management, Inc: 75% – 100% of Apo Corp. × 50% – 75% of Amh Holdings (Cayman), L.P. × 75% – 100% of Apollo Management Holdings, L.P. × 75% – 100% of Apollo Investment Management, L.P. × 75% – 100% direct ≈ 15.82% – 75% of the firm
- Warrenton Capital Corp.: 50% – 75% of Cion Investment Group, Llc × 75% – 100% direct ≈ 37.5% – 75% of the firm
- Apo Corp.: 50% – 75% of Amh Holdings (Cayman), L.P. × 75% – 100% of Apollo Management Holdings, L.P. × 75% – 100% of Apollo Investment Management, L.P. × 75% – 100% direct ≈ 21.09% – 75% of the firm
- Apollo Global Management, Inc.: 25% – 50% of Amh Holdings (Cayman), L.P. × 75% – 100% of Apollo Management Holdings, L.P. × 75% – 100% of Apollo Investment Management, L.P. × 75% – 100% direct ≈ 10.55% – 50% of the firm
- Michael Reisner Revocable Living Trust: 25% – 50% of Warrenton Capital Corp. × 50% – 75% of Cion Investment Group, Llc × 75% – 100% direct ≈ 9.38% – 37.5% of the firm
- Gatto Living Trust: 25% – 50% of Warrenton Capital Corp. × 50% – 75% of Cion Investment Group, Llc × 75% – 100% direct ≈ 9.38% – 37.5% of the firm
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/27/2026 | 1.17 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
- • Performance-based fees
Services
- • Portfolio management for investment companies
Custody
Firm reports it does not have custody of client funds or securities (Item 9.A).
No custodian data reported or mined yet.
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 27, 2026.
View current Form ADV (SEC/IAPD) ↗