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Original filing (PDF)20250930154255NAL0016674707001
NORTHWESTERN CORPORATION
Form 5500
FILING_RECEIVED
NORTHWESTERN ENERGY MASTER RETIREMENT TRUST
Employee benefit plan
Active participants
—
Accounts w/ balance
—
Plan assets (EOY)
$395.3M
Net assets (EOY)
$395.2M
How this plan invests
This plan
13 pooled trusts
Schedule D
14 securities
funds · stocks · CUSIPs
Holdings are itemized directly on this plan's Schedule of Assets, below.
Plan health score (directional)
90
/ 100
Grade A
Top-tier plan health
Directional indicator computed from public Form 5500 data — compliance, concentration, cost, vendor stack and participation. Not a fiduciary tool.
Compliance & disclosures
100
Concentration risk
100
Total plan cost
65
Vendor stack
100
Participation health
90
Knocking points off
- 20 bps in Schedule C fees — 96% above peer band of 10 bps.
- No active participants reported but plan still holds assets.
Decision-maker contacts
CFO / Head of HR / Benefits Manager — verified email + LinkedIn for NORTHWESTERN CORPORATION.
Plan sponsor
Name
NORTHWESTERN CORPORATION
DBA
NORTHWESTERN ENERGY
EIN
46-0172280
Address
11 EAST PARK STREET · BUTTE, MT · 597011711
Phone
(605) 978-2826
Plan administrator
Name
EMPLOYEE BENEFITS ADMINISTRATION COMMITTEE
EIN
46-0172280
City
SIOUX FALLS, SD
Phone
(605) 978-2826
Plan characteristics
Plan number
104
Plan year
2024
Plan year begin
2024-01-01
Tax period
2024-12-31
Filed
2025-09-30
Audit & trust (Schedule H)
Auditor
—
Trustee / custodian
—
Trustee phone
—
Service providers (Schedule C)
2 rowsTrustee
1| Name | EIN | Location | Relation | Direct comp | Indirect comp |
|---|---|---|---|---|---|
| THE NORTHERN TRUST COMPANY | 36-1561860 | — | TRUSTEE | $99K | — |
Other
1| Name | EIN | Location | Relation | Direct comp | Indirect comp |
|---|---|---|---|---|---|
| MERCER INVESTMENT MANAGEMENT | 30-0282430 | — | FIDUCIARY | $674K | — |
Investments
2 direct securities · 13 pooled funds· $395.8M(100% 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
$395.3M
13 holdings
Uncategorized
$502K
2 holdings
| PI | Investment | Type | Shares / units | Cost | Current value | % of plan |
|---|---|---|---|---|---|---|
| MERCER ACTIVE LONG CORPORATE FIXED MERCER TRUST COMPANY · EIN 45-6178743 / PN 004 | Common Collective Trust | — | $85.2M | $94.8M | 24.0% | |
| MERCER US LG CAP CORE PASSIVE EQTY MERCER TRUST COMPANY · EIN 03-0566613 / PN 005 | Common Collective Trust | — | $45.6M | $72.7M | 18.4% | |
| MERCER OPPORTUNISTIC FIXED INCOME F MERCER TRUST COMPANY · EIN 36-7630030 / PN 020 | Common Collective Trust | — | $37.4M | $39.7M | 10.0% | |
| MERCER LONG STRIPS FIXED INCOME FUN MERCER TRUST COMPANY · EIN 80-6243236 / PN 019 | Common Collective Trust | — | $50.4M | $38.1M | 9.6% | |
| MERCER NON-US CORE EQUITY FUND MERCER TRUST COMPANY · EIN 03-0566617 / PN 009 | Common Collective Trust | — | $21.6M | $32.8M | 8.3% | |
| MERCER PASSIVE LONG GOVERNMENT FIXE MERCER TRUST COMPANY · EIN 51-0560117 / PN 010 | Common Collective Trust | — | $31.0M | $26.6M | 6.7% | |
| MERCER ACTIVE INTERMEDIATE CREDIT MERCER TRUST COMPANY · EIN 85-2621954 / PN 048 | Common Collective Trust | — | $22.3M | $23.3M | 5.9% | |
| MERCER US CORE REAL ESTATE FUND MERCER TRUST COMPANY · EIN 87-1321612 / PN 022 | Common Collective Trust | — | $25.0M | $21.2M | 5.4% | |
| MERCER EMERGING MARKETS EQUITY FUND MERCER TRUST COMPANY · EIN 32-6219484 / PN 017 | Common Collective Trust | — | $14.7M | $14.3M | 3.6% | |
| SSGA INTERMEDIATE US GOV'T BOND IND STATE STREET GLOBAL ADVISORS · EIN 90-0337987 / PN 209 | Common Collective Trust | — | $13.6M | $13.7M | 3.5% | |
| MERCER US SMALL/MID CAP EQUITY FUND MERCER TRUST COMPANY · EIN 03-0566611 / PN 003 | Common Collective Trust | — | $6.3M | $12.0M | 3.0% | |
| MERCER GLOBAL LOW VOLATILITY EQUITY MERCER TRUST COMPANY · EIN 35-7004395 / PN 018 | Common Collective Trust | — | $3.3M | $5.6M | 1.4% | |
| Collective Short-Term Investment Fund of The Northern Trust Company 500,032.820 shrs. at $1.00/share | — | — | $500K | $500K | 0.1% | |
| NT GLOBAL INVESTMENTS COLLECTIVE FU THE NORTHERN TRUST COMPANY · EIN 45-6138589 / PN 084 | Common Collective Trust | — | — | $500K | 0.1% | |
| Cash and Cash Equivalents Other Receivables | — | — | $2K | $2K | <0.1% |