1248 Partners LLC

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1248 Partners LLC
CRD #325304
SEC #801-130387
CIK #
AUM 323.4 M (2026-06-30)
Employees 4 (75% Investors, 0% Brokers)
Fees
Minimum
Phone913-904-5500
Address4622 Pennsylvania Ave, Ste 600
Kansas City, MO 64112
Source [IAPD] [Website]
Total AUM ($M)
3502802101407002010201520212027
Fees and Compensation — Form ADV Part 2A (3/31/2026) [Brochure]
Item 5 – Fees and Compensation

Fees

The fees and expenses for each Fund are described in the Offering Documents for the respective
Fund. For Funds that charge an annual management fee, the fee is generally payable either
quarterly or annually in advance. Performance-based compensation is generally payable at the time
when the investor has received distributions equal to the amount of its capital contribution. Please
refer to the applicable Fund’s Offering Documents for more information.

In addition to the fees paid to 1248, to the extent a Fund invests in other funds, the Fund will bear
its pro rata share of the fees (including asset-based and performance-based compensation) and
expenses of such underlying funds.

Operating and Other Expenses

Funds managed by 1248 will either bear their own Organizational Expenses, Investment Expenses
and Operating Expenses or the Manager will bear these expenses. These fees are detailed in each
Fund’s Offering Documents. Please refer to a Fund’s Offering Documents for additional
information regarding fees and expenses, as these documents contain important information
specific to each respective Fund.
Account Minimums and Types of Clients — Form ADV Part 2A (3/31/2026) [Brochure]
Item 7 – Types of Clients

1248 and its affiliates serve as general partner, managing member, or investment manager to
private investment funds. Any applicable investment minimums for a Fund are described in the
corresponding Offering Documents for such Fund. Investors in the Funds are required to meet
various suitability requirements.
Type Form D Funds Date Sold AUM
PE MPOF 2024 LP [2025-03-31] 35.9 M 35.7 M
Offered $35,900,000 · Filed 2025-05-20 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $50,000 · Duration One year or less · Revenue Decline to Disclose
PE MPOF 2023 LP [2024-03-29] 17.1 M 28.3 M
Offered $17,150,000 · Filed 2023-10-12 (D) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $50,000 · Duration One year or less · Revenue Decline to Disclose
PE Montage-LGP SPV LLC [2023-03-01] 125.1 M 141.8 M
Offered $125,130,000 · Filed 2022-07-15 (D) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $250,000 · Duration One year or less · Revenue Decline to Disclose
PE MPOF 2022 LP [2023-03-01] 27.2 M 40.8 M
Offered $27,245,000 · Filed 2022-09-13 (D) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $50,000 · Duration One year or less · Revenue Decline to Disclose
PE Mariner 2021 Private Opportunities Fund LP [2022-03-30] 31.8 M 34.1 M
Offered $31,800,000 · Filed 2021-08-18 (D) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $100,000 · Duration One year or less · Revenue Decline to Disclose
PE Mariner 2020 Private Opportunities Fund LP [2021-03-30] 18.1 M 27.1 M
Offered $18,125,000 · Filed 2021-08-09 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $100,000 · Duration One year or less · Revenue Decline to Disclose
PE Mariner 2019 Private Opportunities Fund LP [2020-03-29] 26.0 M 15.5 M
Offered $25,975,000 · Filed 2021-08-09 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $100,000 · Duration One year or less · Revenue Decline to Disclose
AUM Breakdown Accounts AUM ($M)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 0 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 0 0.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 7 323.4
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 0 0.0
(n) Other 0 0.0
Total 7 323.4
By Discretionary
Discretionary 7 323.4
Non-Discretionary 0 0.0
Total 7 323.4
By Non-United States Persons
Non-United States Persons 0.0
United States Persons 323.4
Total 7 323.4
Form D Directors Role # Filings # Firms 2011 - 2026
Martin Bicknell Executive Officer 33 7
Mariner LLC Executive Officer 3 2
Montage Fund Advisors LLC Executive Officer 5 1
Mariner Private Opportunities Fund GP LLC Executive Officer 4 1
1248 Partners LLC Executive Officer 2 1
Mpof23 GP LLC Executive Officer 1 1
Mpof24 GP LLC Executive Officer 1 1
Firm Profile (Form ADV)
Clients7
ServesInstitutional
Fund TypesPrivate Equity
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