Back to filter
Original filing (PDF)20250610130919NAL0011627939001
PHOSPHOREX, LLC
Form 5500-SF
FILING_RECEIVED
PHOSPHOREX, LLC 401(K) P/S PLAN
401(k) retirement plan
Active participants
19
Accounts w/ balance
28
Plan assets (EOY)
$1.7M
Net assets (EOY)
$1.7M
Plan health score (directional)
89
/ 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
75
Total plan cost
75
Vendor stack
100
Participation health
100
Helping the score
- Concentration not scored — Schedule of Assets PDF not yet parsed for this plan.
- No Schedule C compensation disclosed — likely a small plan or unbundled.
Decision-maker contacts
CFO / Head of HR / Benefits Manager — verified email + LinkedIn for PHOSPHOREX, LLC.
Plan sponsor
Name
PHOSPHOREX, LLC
EIN
20-2276160
Address
35 PARKWOOD DR STE 210 · HOPKINTON, MA · 01748
Phone
(857) 406-1836
Industry
Professional & Technical Servicessee all
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
2025-06-10
Pension benefit codes
2E · Profit-sharing
3D · Pre-approved plan (master / prototype / VS)
2G · Total participant-directed accounts
2J · 401(k) feature
2K · 401(m) arrangement
2F · ERISA section 404(c)
2T · Default investment account (QDIA)
Audit & trust (Schedule H)
Auditor
—
Trustee / custodian
—
Trustee phone
—
Small plan (5500-SF) — Schedule H data not available.
Service providers (Schedule C)
Small plans don't disclose service providersRelated plans
Similar-size Professional & Technical Services plans
UII AMERICA INC
UII AMERICA, INC. 401K PLAN
$1.7M · 18 participants
ENVERA LIC, LLC.
ENVERA LIC L. L. C. 401(K) PROFIT SHARING PLAN
$1.7M · 35 participants
DENVER RESEARCH INSTITUTE
DENVER RESEARCH INSTITUTE 403(B) PLAN
$1.7M · 36 participants
BOOMTOWN OIL
BOOMTOWN OIL 401(K) PLAN
$1.7M · 14 participants
GREAT LAKES NEUROTECHNOLOGIES INC.
GREAT LAKES NEUROTECHNOLOGIES INC. 401(K) SAVINGS PLAN
$1.7M · 12 participants
AINSTEIN AI INC.
AINSTEIN AI 401(K) PLAN
$1.7M · 21 participants
Large plans in Massachusetts
FIDELITY MANAGEMENT TRUST COMPANY
FIDELITY GROWTH COMPANY COMMINGLED POOL
$91.5B
STATE STREET GLOBAL ADVISORS TRUST COMPANY
STATE STREET S&P 500(R) INDEX NON-LENDING SERIES FUND CLASS A
$91.0B
FIDELITY MANAGEMENT TRUST COMPANY
FIDELITY CONTRAFUND COMMINGLED POOL
$59.7B
STATE STREET GLOBAL ADVISORS TRUST COMPANY
STATE STREET S&P 500(R) INDEX SECURITIES LENDING SERIES FUND CLASS I
$53.6B
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC
SPARTAN GROUP TRUST FOR EMPLOYEE BENEFIT PLANS SPARTAN 500 INDEX POOL
$47.6B
STATE STREET GLOBAL ADVISORS TRUST COMPANY
STATE STREET S&P 500(R) INDEX SECURITIES LENDING SERIES FUND CLASS II
$46.7B
