Senator Investment Group Lp
- Regulatory AUM
- $4.9B
- Discretionary
- $4.9B
- Clients
- 9
- Avg AUM / client
- $547M
- Accounts
- 9
- Employees
- 26
AUM over time
Annual snapshots from Form ADV filings · as of Mar 26, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Pooled investment vehicles (non-investment companies) | 9 | $4.9B | 100.0% |
Private funds (5)
Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $5.3B combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Senator Global Opportunity Master Fund Lp master | Hedge Fund | Cayman Islands | $5.2B | 199 |
| Senator Innovation And Sustainability Fund Lp | Private Equity Fund | Delaware | $138M | 44 |
| Senator Strategic Catalysts Master Fund Lp master | Hedge Fund | Cayman Islands | $19.2M | 4 |
| Senator Strategic Resources Master Fund Lp master | Hedge Fund | Cayman Islands | $11.4M | 3 |
| Sig Nassau Hall Lp | Hedge Fund | Delaware | $0 | 2 |
Retirement plan clients
Plans that reported this firm as an investment service provider on Form 5500 Schedule C.
| Plan | Location | Plan year |
|---|---|---|
| American Federation Of Musicians And Employers' Pension Fund And Subsidiary Board Of Trustees Of The American Federation Of Musicians And Employe | 2024 |
People (5)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Silverman, Douglas, Nathan | Chief Executive Officer | Feb 2008 (19y) | ≈ 56.25% – 100% via Silverman Family Investments Llc | |
| Larmann, Edward, John | Chief Operating Officer | May 2008 (18y) | Less than 5% | |
| Klabin, Alexander, Mathew | Manager | Dec 2009 (17y) | ≈ 7.5% – 25% via Klabin Family Investments Llc | |
| Gartenlaub, Evan, Robert | General Counsel | Jan 2010 (17y) | Less than 5% | |
| Hamilton, Kyla, Margaret | Chief Compliance Officer | Mar 2022 (4y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Silverman Family Investments Llc | Class A Partner | Dec 2009 | A | 75% or more |
| Klabin Family Investments Llc | Reduced Interest Partner | Dec 2009 | A | 10% – 25% |
| Bsch Master I Sub (Sen Mgr) L.P. | Class B Partner | Feb 2014 | A | 10% – 25% |
| Bsch Master Ii Sub (Sen Gp) L.P. | Class B Partner | Feb 2014 | A | 10% – 25% |
| Senator Management Llc | General Partner | Feb 2008 | A | Less than 5% |
| Silverman Family Investments Llc | Limited Partner | Dec 2009 | B | ≈ 0% – 5% via Senator Management Llc |
| Bsch Master I L.P. | Limited Partner | Jan 2014 | B | ≈ 7.5% – 25% via Bsch Master I Sub (Sen Mgr) L.P. |
| Bsch A (Sen Mgr) L.L.C. | Limited Partner | Jan 2014 | B | ≈ 2.81% – 18.75% via Bsch A Intermediate L.P. |
| Blackstone Strategic Capital Holdings (Cayman) L.P. | Sole Member | Jan 2014 | B | ≈ 2.11% – 18.75% via Bsch A (Sen Mgr) L.L.C. |
| Bsch Master Ii L.P. | Limited Partner | Jan 2014 | B | ≈ 7.5% – 25% via Bsch Master Ii Sub (Sen Gp) L.P. |
| Bsch B (Sen Gp) Ltd. | Limited Partner | Jan 2014 | B | ≈ 2.81% – 18.75% via Bsch B Intermediate L.P. |
| Blackstone Strategic Captial Holdings (Cayman) L.P. | Shareholder | Jan 2014 | B | ≈ 2.11% – 18.75% via Bsch B (Sen Gp) Ltd. |
| Bsch A Intermediate L.P. | Limited Partner | Jan 2014 | B | ≈ 3.75% – 18.75% via Bsch Master I L.P. |
| Bsch B Intermediate L.P. | Limited Partner | Jan 2014 | B | ≈ 3.75% – 18.75% via Bsch Master Ii L.P. |
| Blackstone Strategic Capital Holdings L.P. | Limited Partner | Jan 2014 | B | ≈ 1.88% – 12.5% via Bsch Master I L.P. |
| Blackstone Strategic Captial Holdings B L.P. | Limited Partner | Jan 2014 | B | ≈ 1.88% – 12.5% via Bsch Master Ii L.P. |
| Asf Pollock, L.P | Limited Partner | Apr 2018 | B | ≈ 0.47% – 6.25% via Blackstone Strategic Capital Holdings L.P. |
| Blackstone Strategic Capital Associates L.L.C. | General Partner | Oct 2013 | B | GP / trustee / elected manager of Blackstone Strategic Capital Holdings L.P. (indirect) |
| Blackstone Strategic Capital Associates B L.L.C. | General Partner | Jan 2014 | B | GP / trustee / elected manager of Blackstone Strategic Captial Holdings B L.P. (indirect) |
Estimated effective ownership (look-through of filed bands):
- Silverman, Douglas, Nathan: 75% – 100% of Silverman Family Investments Llc × 75% – 100% direct ≈ 56.25% – 100% of the firm
- Klabin, Alexander, Mathew: 75% – 100% of Klabin Family Investments Llc × 10% – 25% direct ≈ 7.5% – 25% of the firm
- Silverman Family Investments Llc: 75% – 100% of Senator Management Llc × 0% – 5% direct ≈ 0% – 5% of the firm
- Bsch Master I L.P.: 75% – 100% of Bsch Master I Sub (Sen Mgr) L.P. × 10% – 25% direct ≈ 7.5% – 25% of the firm
- Bsch A (Sen Mgr) L.L.C.: 75% – 100% of Bsch A Intermediate L.P. × 50% – 75% of Bsch Master I L.P. × 75% – 100% of Bsch Master I Sub (Sen Mgr) L.P. × 10% – 25% direct ≈ 2.81% – 18.75% of the firm
- Blackstone Strategic Capital Holdings (Cayman) L.P.: 75% – 100% of Bsch A (Sen Mgr) L.L.C. × 75% – 100% of Bsch A Intermediate L.P. × 50% – 75% of Bsch Master I L.P. × 75% – 100% of Bsch Master I Sub (Sen Mgr) L.P. × 10% – 25% direct ≈ 2.11% – 18.75% of the firm
- Bsch Master Ii L.P.: 75% – 100% of Bsch Master Ii Sub (Sen Gp) L.P. × 10% – 25% direct ≈ 7.5% – 25% of the firm
- Bsch B (Sen Gp) Ltd.: 75% – 100% of Bsch B Intermediate L.P. × 50% – 75% of Bsch Master Ii L.P. × 75% – 100% of Bsch Master Ii Sub (Sen Gp) L.P. × 10% – 25% direct ≈ 2.81% – 18.75% of the firm
- Blackstone Strategic Captial Holdings (Cayman) L.P.: 75% – 100% of Bsch B (Sen Gp) Ltd. × 75% – 100% of Bsch B Intermediate L.P. × 50% – 75% of Bsch Master Ii L.P. × 75% – 100% of Bsch Master Ii Sub (Sen Gp) L.P. × 10% – 25% direct ≈ 2.11% – 18.75% of the firm
- Bsch A Intermediate L.P.: 50% – 75% of Bsch Master I L.P. × 75% – 100% of Bsch Master I Sub (Sen Mgr) L.P. × 10% – 25% direct ≈ 3.75% – 18.75% of the firm
- Bsch B Intermediate L.P.: 50% – 75% of Bsch Master Ii L.P. × 75% – 100% of Bsch Master Ii Sub (Sen Gp) L.P. × 10% – 25% direct ≈ 3.75% – 18.75% of the firm
- Blackstone Strategic Capital Holdings L.P.: 25% – 50% of Bsch Master I L.P. × 75% – 100% of Bsch Master I Sub (Sen Mgr) L.P. × 10% – 25% direct ≈ 1.88% – 12.5% of the firm
- Blackstone Strategic Captial Holdings B L.P.: 25% – 50% of Bsch Master Ii L.P. × 75% – 100% of Bsch Master Ii Sub (Sen Gp) L.P. × 10% – 25% direct ≈ 1.88% – 12.5% of the firm
- Asf Pollock, L.P: 25% – 50% of Blackstone Strategic Capital Holdings L.P. × 25% – 50% of Bsch Master I L.P. × 75% – 100% of Bsch Master I Sub (Sen Mgr) L.P. × 10% – 25% direct ≈ 0.47% – 6.25% 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.
Private funds (5, $5.3B gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Senator Global Opportunity Master Fund Lp | Hedge Fund | $5.2B | $1.0M | 199 |
| Senator Innovation And Sustainability Fund Lp | Private Equity Fund | $138M | $1.0M | 44 |
| Senator Strategic Catalysts Master Fund Lp | Hedge Fund | $19.2M | $1.0M | 4 |
| Senator Strategic Resources Master Fund Lp | Hedge Fund | $11.4M | $1.0M | 3 |
| Sig Nassau Hall Lp | Hedge Fund | $0 | $1.0M | 2 |
From Form ADV Section 7.B private fund reporting.
Retirement plans served (1)
| Plan | Sponsor | Participants | Plan assets | As of |
|---|---|---|---|---|
| American Federation Of Musicians And Employers' Pension Fund And Subsidiary | Board Of Trustees Of The American Federation Of Musicians And Employe | 19,513 | $3.2B | 01/01/2024 |
From Form 5500 service-provider disclosures.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/26/2026 | 2.09 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 pooled investment vehicles
Custody
Firm reports having 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 26, 2026.
View current Form ADV (SEC/IAPD) ↗