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Original filing (PDF)20250925093958NAL0009593952001

HARBOURVEST PARTNERS X L.P.

Form 5500
FILING_RECEIVED
HARBOURVEST PARTNERS X L.P.
Pooled investment trusta fund that other plans invest in — not a participant plan
Signals · 1
54% in single holding
Active participants
Accounts w/ balance
Plan assets (EOY)
$189.6M
Net assets (EOY)
$189.6M
How this plan invests
2 plans
invest in this fund
This trust
pooled vehicle
2 securities
Schedule of Assets

This is a pooled fund: many plans invest in it, and it holds the underlying securities.

Master trust / DFE filing
Pooled investment vehicle

This filing is a Direct Filing Entity (DFE) — a master trust or collective investment trust that pools assets from multiple participating plans. It does not have plan participants of its own, and the Plan Health Score formula doesn’t apply. Individual participant-facing plans that invest in this trust are the appropriate target for fiduciary analysis.

Pooled assets (EOY)
$189.6M
Net assets (EOY)
$189.6M
Participating plans
2
latest filings citing this trust
Cited interest
$19.7M
across citing plans' latest filings

Cited interest vs pooled assets: cited interest sums what each participating plan reported holding in this trust, measured at that plan’s own year-end — and those filings span different years. Pooled assets is this single filing’s balance at one date. They’re independent measurements, so cited interest can land slightly above or below the pooled balance and won’t reconcile exactly.

Why no Schedule of Assets here? DFE holdings often live on the master trust’s own audited statement, not as a 4i schedule on the participating plans’ filings. We’re extending the parsing pipeline to cover DFE filings — see Methodology.

Decision-maker contacts
CFO / Head of HR / Benefits Manager — verified email + LinkedIn for HARBOURVEST PARTNERS X L.P..
Plan sponsor
Name
HARBOURVEST PARTNERS X L.P.
EIN
98-1208489
Address
HARBOURVEST PARTNERS, LLC · 1 LINCOLN ST STE 1700 · BOSTON, MA · 021112908
Phone
(617) 348-3707
Plan administrator
Same as plan sponsor.
Plan characteristics
Plan number
001
Plan year
2024
Plan year begin
2024-01-01
Tax period
2024-12-31
Filed
2025-09-25
Audit & trust (Schedule H)
Auditor
ERNST&YOUNG
Trustee / custodian
Trustee phone

Service providers (Schedule C)

No Schedule C providers reported

Investments

2 direct securities· $189.6M(100% of reported assets)
PIInvestmentTypeShares / unitsCostCurrent value% of plan
Fund X Buyout Feeder L.P. Partnership Investment$64.8M$102.5M54.1%
Primary Investments Fund X Venture Feeder L.P. Partnership Investment$34.2M$87.1M45.9%

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