140 Summer Partners Lp
- Regulatory AUM
- $3.9B
- Discretionary
- $3.9B
- Clients
- 3
- Avg AUM / client
- $1.3B
- Accounts
- 3
- Employees
- 14
AUM over time
Annual snapshots from Form ADV filings · as of Mar 20, 2026
Investments (13F portfolio — 24 positions, $1,636,264,496)
13F period Mar 31, 2026| # | Issuer | Class | Value | Shares | % of 13F | % of AUM |
|---|---|---|---|---|---|---|
| 1 | Ishares Tr | RUSSELL 2000 ETF | $273,792,000 | 1,104,000 | 16.7% | 7.07% |
| 2 | United Airls Hldgs Inc | COM | $125,445,375 | 1,362,500 | 7.67% | 3.24% |
| 3 | Mastec Inc | COM | $105,923,243 | 329,220 | 6.47% | 2.74% |
| 4 | Aercap Holdings Nv | SHS | $104,060,084 | 758,566 | 6.36% | 2.69% |
| 5 | Pg&E Corp | COM | $86,668,646 | 4,932,763 | 5.3% | 2.24% |
| 6 | Viking Holdings Ltd | ORD SHS | $84,468,273 | 1,149,541 | 5.16% | 2.18% |
| 7 | Gaming & Leisure Pptys Inc | COM | $82,702,264 | 1,863,923 | 5.05% | 2.14% |
| 8 | T Mobile Us Inc | COM | $81,222,382 | 386,718 | 4.96% | 2.1% |
| 9 | Kodiak Gas Svcs Inc | COM | $75,578,171 | 1,295,922 | 4.62% | 1.95% |
| 10 | Vistra Corp | COM | $72,569,402 | 482,734 | 4.44% | 1.87% |
| 11 | Capital One Finl Corp | COM | $71,571,302 | 392,322 | 4.37% | 1.85% |
| 12 | Echostar Corp | CL A | $62,097,908 | 530,434 | 3.8% | 1.6% |
| 13 | Globalstar Inc | COM NEW | $60,940,350 | 917,500 | 3.72% | 1.57% |
| 14 | Telephone & Data Sys Inc | COM NEW | $56,276,375 | 1,336,731 | 3.44% | 1.45% |
| 15 | Somnigroup International Inc | COM | $52,989,996 | 716,856 | 3.24% | 1.37% |
| 16 | Huntington Bancshares Inc | COM | $51,556,061 | 3,294,317 | 3.15% | 1.33% |
| 17 | Viasat Inc | COM | $41,585,026 | 907,970 | 2.54% | 1.07% |
| 18 | Jbt Marel Corporation | COM | $40,304,880 | 315,202 | 2.46% | 1.04% |
| 19 | Brookdale Sr Living Inc | COM | $39,247,920 | 2,869,000 | 2.4% | 1.01% |
| 20 | Bank Hawaii Corp | COM | $29,883,026 | 402,465 | 1.83% | 0.77% |
| 21 | Grupo Aeromexico Sab De Cv | SPONSORED ADS | $18,190,416 | 1,298,388 | 1.11% | 0.47% |
| 22 | Uwm Holdings Corporation | COM CL A | $9,303,400 | 2,570,000 | 0.57% | 0.24% |
| 23 | Bitdeer Technologies Group | CL A ORD SHS | $6,656,564 | 769,545 | 0.41% | 0.17% |
| 24 | Optimum Communications Inc | CL A | $3,231,432 | 2,485,717 | 0.2% | 0.08% |
Top 25 of 24 positions from the manager's latest Form 13F · source filing (EDGAR) ↗. 13F covers long US-listed positions only. "% of AUM" is share of the firm's total regulatory AUM (Form ADV Item 5.F).
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Pooled investment vehicles (non-investment companies) | 3 | $3.9B | 100.0% |
Private funds (3)
Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $3.7B combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| 140 Summer Partners Master Fund Lp master | Hedge Fund | Cayman Islands | $2.1B | 179 |
| 140 Summer Partners Onshore Lp feeder | Hedge Fund | Delaware | $981M | 88 |
| 140 Summer Partners Offshore Ltd. feeder | Hedge Fund | Cayman Islands | $618M | 91 |
Retirement plan clients
Plans that reported this firm as an investment service provider on Form 5500 Schedule C.
| Plan | Location | Plan year |
|---|---|---|
| Metropolitan Opera Association Retirement Plan Metropolitan Opera Association, Inc | 2024 |
People (4)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Rosenblum, Peter, Watkins | Managing Partner & Cio | Oct 2019 (7y) | 75% or more | |
| Arps, Kevin, Raymond | Chief Financial Officer & Chief Compliance Officer | Nov 2019 (7y) | Less than 5% | |
| Davis, Jessica, Abigail | Chief Operating Officer & Head Of Business Development | Mar 2020 (6y) | Less than 5% | |
| Watkins, Eloise | Trustee | Jun 2020 (6y) | GP / trustee / elected manager of 140 Summer Trust (indirect) |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| 140 Summer Trust | Limited Partner | Jun 2020 | A | 10% – 25% |
| 140 Summer Partners Gp Llc | General Partner | Oct 2019 | A | Less than 5% |
Undisclosed: 0% – 15% of the firm is not attributable from the filed Schedule A bands.
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 (3, $3.7B gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| 140 Summer Partners Master Fund Lp | Hedge Fund | $2.1B | $5.0M | 179 |
| 140 Summer Partners Onshore Lp | Hedge Fund | $981M | $5.0M | 88 |
| 140 Summer Partners Offshore Ltd. | Hedge Fund | $618M | $5.0M | 91 |
From Form ADV Section 7.B private fund reporting.
Retirement plans served (1)
| Plan | Sponsor | Participants | Plan assets | As of |
|---|---|---|---|---|
| Metropolitan Opera Association Retirement Plan | Metropolitan Opera Association, Inc | 715 | $278M | 08/01/2024 |
From Form 5500 service-provider disclosures.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/20/2026 | 1.6 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 20, 2026.
View current Form ADV (SEC/IAPD) ↗