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Original filing (PDF)20251009113105NAL0003861987001

ATI INC.

Form 5500
FILING_RECEIVED
ALLEGHENY TECHNOLOGIES INCORPORATED MASTER PENSION TRUST
Pooled investment trusta fund that other plans invest in — not a participant plan
Signals · 2
16 failed disclosures96% in single holding
Active participants
Accounts w/ balance
Plan assets (EOY)
$280.4M
Net assets (EOY)
$280.0M
How this plan invests
1 plans
invest in this fund
This trust
pooled vehicle
5 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)
$280.4M
Net assets (EOY)
$280.0M
Participating plans
1
latest filings citing this trust
Cited interest
$280.0M
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 ATI INC..
Plan sponsor
Name
ATI INC.
EIN
25-6224599
Address
116 15TH STREET · STE 301 · PITTSBURGH, PA · 15222
Phone
(412) 394-2800
Plan administrator
Same as plan sponsor.
Plan characteristics
Plan number
040
Plan year
2024
Plan year begin
2024-01-01
Tax period
2024-12-31
Filed
2025-10-09
Audit & trust (Schedule H)
Auditor
Trustee / custodian
Trustee phone

Service providers (Schedule C)

5 rows
Other
5
NameEINLocationRelationDirect compIndirect comp
LEGAL AND GENERAL INVESTMENT MGMTNONE$204K
ANTIN INFRASTRUCTURE PARTNERSNONE$182K
SYLEBRA CAPITAL PARTNERS OFFSHORENONE$19K
LEGAL AND GENERAL INVESTMENT MGMT20-8058531NONE$19K
HBK MULTI-STRATEGY OFFSHORE FUND LT98-0497416NONE$0

Failed / refused disclosures (Sched C Part 2)

ProviderNondisclosure info
ARROWSTREET INTL EQUITY ACWI EX USDID NOT PROVIDE EIC DISCLOSURE
ASCENDENT CAPITAL PARTNERS III, L.PDID NOT PROVIDE EIC DISCLOSURE
BLACKROCKDID NOT PROVIDE EIC DISCLOSURE
BURGUNDY ASSET MANAGEMENT LTD.DID NOT PROVIDE EIC DISCLOSURE
COATUE CAPITAL, LLCDID NOT PROVIDE EIC DISCLOSURE
COATUE MANAGEMENT, LLCDID NOT PROVIDE EIC DISCLOSURE
DAVIDSON KEMPNER CAPITAL MANAGEMENTDID NOT PROVIDE EIC DISCLOSURE
DAVIDSON KEMPNER INTERNATIONAL BVIDID NOT PROVIDE EIC DISCLOSURE
GARDNER RUSSO & GARDNER LLCDID NOT PROVIDE EIC DISCLOSURE
HS MANAGEMENT PARTNERS LLCDID NOT PROVIDE EIC DISCLOSURE
INSIGHT NORTH AMERICA LLCDID NOT PROVIDE EIC DISCLOSURE
JPM REI 150 FUNDDID NOT PROVIDE EIC DISCLOSURE
PARAMETRICDID NOT PROVIDE EIC DISCLOSURE
RCP DIRECT, LPDID NOT PROVIDE EIC DISCLOSURE
TRINITY STREET ASSET MANAGEMENT LLPDID NOT PROVIDE EIC DISCLOSURE
VAUGHAN NELSON INV MGMT LPDID NOT PROVIDE EIC DISCLOSURE

Investments

1 direct security · 8 pooled funds· $5.9M(2% of reported assets)

Rows tagged as a trust or pooled fund hold many underlying securities. Click one to drill into its own Schedule of Assets — where the individual funds, shares, and CUSIPs live.

Common Collective Trust
$5.9M
8 holdings
Uncategorized
$16
1 holding
PIInvestmentTypeShares / unitsCostCurrent value% of plan
COLLECTIVE US GOVT STIF 15 BPS
THE BANK OF NEW YORK MELLON · EIN 13-6154008 / PN 012
Common Collective Trust
$5.6M2.0%
BRINSON PARTNERSHIP FUND TR-2001 PR
UBS GLOBAL ASSET MANAGEMENT TRUST COMPANY · EIN 36-4395877 / PN 001
Common Collective Trust
$129K<0.1%
BRINSON PARTNERSHIP FUND TR-2000 PR
UBS GLOBAL ASSET MANAGEMENT TRUST COMPANY · EIN 36-4309907 / PN 001
Common Collective Trust
$118K<0.1%
SHORT-TERM INVESTMENT FUND
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. · EIN 94-6450621 / PN 001
Common Collective Trust
$1K<0.1%
[DFE: EB TEMPORARY INVESTMENT FUND OF THE BANK OF NEW YORK MELLON (extraction pending)]$16<0.1%
EB TEMP INV FD VAR RT 12/31/49 FEE
THE BANK OF NEW YORK MELLON · EIN 25-6078093 / PN 023
Common Collective Trust
$16<0.1%
BRINSON PARTNERSHIP FUND TR-1998 PR
UBS GLOBAL ASSET MANAGEMENT TRUST COMPANY · EIN 36-4196249 / PN 001
Common Collective Trust
$0<0.1%
BRINSON PARTNERSHIP FUND TR-2002 PR
UBS GLOBAL ASSET MANAGEMENT TRUST COMPANY · EIN 36-4486493 / PN 001
Common Collective Trust
$0<0.1%
BRINSON PARTNERSHIP FUND TR-1999 PR
UBS GLOBAL ASSET MANAGEMENT TRUST COMPANY · EIN 36-7252247 / PN 001
Common Collective Trust
$0<0.1%