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Original filing (PDF)20250813162503NAL0025898450001
NORTHWESTERN CORPORATION
Form 5500
FILING_RECEIVED
NORTHWESTERN ENERGY 401(K) RETIREMENT SAVINGS PLAN
401(k) retirement plan
Active participants
1,590
Accounts w/ balance
2,033
Plan assets (EOY)
$512.8M
Net assets (EOY)
$512.8M
How this plan invests
This plan
15 pooled trusts
Schedule D
24 securities
funds · stocks · CUSIPs
Holdings are itemized directly on this plan's Schedule of Assets, below.
Plan health score (directional)
100
/ 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
100
Vendor stack
100
Participation health
100
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
Industry
Utilitiessee all
Plan administrator
Name
EMPLOYEE BENEFITS ADMINISTRATION COMMITTEE
EIN
46-0172280
City
SIOUX FALLS, SD
Phone
(605) 978-2826
Plan characteristics
Plan number
103
Plan year
2024
Plan year begin
2024-01-01
Tax period
2024-12-31
Filed
2025-08-13
Pension benefit codes
2E · Profit-sharing
2F · ERISA section 404(c)
2G · Total participant-directed accounts
2J · 401(k) feature
2K · 401(m) arrangement
2S · Automatic enrollment
2T · Default investment account (QDIA)
Audit & trust (Schedule H)
Auditor
EIDE BAILLY LLP
Trustee / custodian
—
Trustee phone
—
Service providers (Schedule C)
4 rowsRecordkeeper
1| Name | EIN | Location | Relation | Direct comp | Indirect comp |
|---|---|---|---|---|---|
| FIDELITY INVESTMENTS INSTITUTIONAL | 04-2647786 | — | RECORDKEEPER | $122K | — |
Advisor / Consultant
2| Name | EIN | Location | Relation | Direct comp | Indirect comp |
|---|---|---|---|---|---|
| STRATEGIC ADVISORS INC | 04-2654524 | — | INVESTMENT ADVISOR | $73K | — |
| MERCER INVESTMENTS LLC | 36-2668272 | — | INVESTMENT ADVISOR | $40K | — |
Other
1| Name | EIN | Location | Relation | Direct comp | Indirect comp |
|---|---|---|---|---|---|
| FIDUCIENT ADVISORS LLC | 36-4001764 | — | OTHER SERVICES | $16K | — |
Investments
9 direct securities · 15 pooled funds· $512.8M(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
$268.6M
15 holdings
Uncategorized
$244.1M
9 holdings
| PI | Investment | Type | Shares / units | Cost | Current value | % of plan |
|---|---|---|---|---|---|---|
| Dodge & Cox Stock Fund Class X Mutual fund | — | — | — | $72.9M | 14.2% | |
| JP Morgan Large Cap Growth Fund Class R6 Mutual fund | — | — | — | $56.4M | 11.0% | |
| Vanguard Institutional Index Fund Mutual fund | — | — | — | $53.4M | 10.4% | |
| STATE STREET TARGET RETIREMENT 2050 STATE STREET GLOBAL ADVISORS TRUST COMPANY · EIN 90-0337987 / PN 320 | Common Collective Trust | — | — | $31.5M | 6.1% | |
| Fidelity® Investments Money Market Government Portfolio Institutional Class Fund * Mutual fund | — | — | — | $31.4M | 6.1% | |
| STATE STREET TARGET RETIREMENT 2030 STATE STREET GLOBAL ADVISORS TRUST COMPANY · EIN 90-0337987 / PN 316 | Common Collective Trust | — | — | $30.8M | 6.0% | |
| STATE STREET TARGET RETIREMENT 2045 STATE STREET GLOBAL ADVISORS TRUST COMPANY · EIN 90-0337987 / PN 319 | Common Collective Trust | — | — | $30.2M | 5.9% | |
| STATE STREET TARGET RETIREMENT 2035 STATE STREET GLOBAL ADVISORS TRUST COMPANY · EIN 90-0337987 / PN 317 | Common Collective Trust | — | — | $29.6M | 5.8% | |
| STATE STREET TARGET RETIREMENT 2025 STATE STREET GLOBAL ADVISORS TRUST COMPANY · EIN 90-0337987 / PN 315 | Common Collective Trust | — | — | $28.7M | 5.6% | |
| STATE STREET TARGET RETIREMENT 2040 STATE STREET GLOBAL ADVISORS TRUST COMPANY · EIN 90-0337987 / PN 318 | Common Collective Trust | — | — | $28.4M | 5.5% | |
| JENNISON SMALL/MID-CAP EQUITY FUND PRUDENTIAL TRUST COMPANY · EIN 23-6994310 / PN 232 | Common Collective Trust | — | — | $22.5M | 4.4% | |
| STATE STREET TARGET RETIREMENT 2055 STATE STREET GLOBAL ADVISORS TRUST COMPANY · EIN 90-0337987 / PN 325 | Common Collective Trust | — | — | $17.6M | 3.4% | |
| MFS INSTITUTIONAL INTERNATIONAL EQ MFS HERITAGE TRUST COMPANY · EIN 57-1187281 / PN 013 | Common Collective Trust | — | — | $15.2M | 3.0% | |
| Vanguard Total Bond Market Index Fund Institutional Shares Mutual fund | — | — | — | $11.5M | 2.2% | |
| PRUDENTIAL CORE PLUS BOND FUND PRUDENTIAL TRUST COMPANY · EIN 23-6994310 / PN 165 | Common Collective Trust | — | — | $9.5M | 1.9% | |
| STATE STREET TARGET RETIREMENT 2060 STATE STREET GLOBAL ADVISORS TRUST COMPANY · EIN 90-0337987 / PN 454 | Common Collective Trust | — | — | $9.2M | 1.8% | |
| Fidelity® Extended Market Index Fund - Premium Class* Mutual fund | — | — | — | $8.4M | 1.6% | |
| Participant loans* 2025 - 2044 - | — | — | — | $5.9M | 1.2% | |
| STATE STREET TARGET RETIREMENT 2020 STATE STREET GLOBAL ADVISORS TRUST COMPANY · EIN 90-0337987 / PN 314 | Common Collective Trust | — | — | $5.2M | 1.0% | |
| STATE STREET TARGET RETIREMENT 2065 STATE STREET GLOBAL ADVISORS TRUST COMPANY · EIN 32-6528132 / PN 049 | Common Collective Trust | — | — | $4.1M | 0.8% | |
| AQR EMERGING EQUITY CIT GLOBAL TRUST COMPANY · EIN 90-6194032 / PN 003 | Common Collective Trust | — | — | $3.5M | 0.7% | |
| STATE STREET TARGET RETIREMENT SL I STATE STREET GLOBAL ADVISORS TRUST COMPANY · EIN 90-0337987 / PN 326 | Common Collective Trust | — | — | $2.6M | 0.5% | |
| iShares MSCI Total International Index Fund Class K Mutual fund | — | — | — | $2.6M | 0.5% | |
| PIMCO Inflation Response Multi-Asset Fund Institutional Mutual fund | — | — | — | $1.6M | 0.3% |