FormDSignal
50

Spectrum XI Investment Managers' Fund closes $4.39M private equity fund in Boston

New fund · Private equity / buyout · Closed · BOSTON, MA · Form D filed 2026-10-09 · sponsor: Spectrum · all Spectrum vehicles

Spectrum XI Investment Managers' Fund, a Delaware limited partnership, closed a $4.39M private equity fund on September 30, 2026, with 32 investors under Regulation D exemptions 3(c)(1) and 3(c)(7). The fund is managed by SEA XI Management, LLC, with eight managing directors listed as related persons.

Note: Fund numeral XI suggests repeat manager, but firstTimeManager field is false and sponsor identity inferred only from entity name with low confidence.

First filing by this entityrepeat_fund_numeralPrivate equity / buyout

How this compares

  • $4.4M is larger than 48% of the 3,018 private equity / buyout fund launches with a stated size in the last two years; the median is $5.1M.
  • Among 439 fund launches filed from MA in the same window it is larger than 56%; the MA median is $2M.
  • Across 493 private equity / buyout sponsors with more than one launch on EDGAR, the median gap between consecutive funds is 5 months.
  • No earlier fund launch by this sponsor appears on EDGAR.

Computed from every Form D fund launch on EDGAR since late 2024, not sampled. Amounts are the stated offering size; indefinite offerings are excluded.

Registered adviser

brand-level match

SPECTRUM ASSET MANAGEMENT, INC.

Registration
SEC-registered adviser · since 1987-09-28
Regulatory AUM
$18.3B
Employees
27
Private funds on Form ADV
Yes
Office
Stamford, CT

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Incumbent service providers

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Other Form D filings by this adviser

2 other filings on EDGAR under this adviser, with size, strategy and date. Subscribe to unlock

People on the filing

N/A SEA XI Management, LLCExecutive Officer
John ConnollyExecutive Officer
Ronan CunninghamExecutive Officer
Michael W. FarrellExecutive Officer
Jeffrey C. HaywoodExecutive Officer
Parag KhandelwalExecutive Officer
Stephen M. LeSieurExecutive Officer
Adam J. MargolinExecutive Officer
Christopher T. MitchellExecutive Officer
Matthew NeidlingerExecutive Officer
Leah J. PalmerExecutive Officer
Michael RadonichExecutive Officer
Brian M. ReganExecutive Officer
Benjamin C. SperoExecutive Officer

[email protected] · observed Work emails for the people on the filing, where the firm publishes or patterns them, labelled by confidence — subscribers

Signed by Benjamin C. Spero, Managing Director.

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