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Original filing (PDF)20251010123920NAL0017964994001
ALNYLAM PHARMACEUTICALS, INC.
Form 5500
FILING_RECEIVED
ALNYLAM PHARMACEUTICALS, INC. SAVINGS & INVESTMENT PLAN
401(k) retirement plan
Active participants
1,815
Accounts w/ balance
2,324
Plan assets (EOY)
$344.0M
Net assets (EOY)
$344.0M
How this plan invests
This plan
1 pooled trust
Schedule D
37 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 ALNYLAM PHARMACEUTICALS, INC..
Plan sponsor
Name
ALNYLAM PHARMACEUTICALS, INC.
EIN
04-3696884
Address
300 THIRD STREET · 3RD FLOOR · CAMBRIDGE, MA · 02142
Phone
(617) 551-8342
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
2025-10-10
Pension benefit codes
2G · Total participant-directed accounts
2J · 401(k) feature
2K · 401(m) arrangement
2T · Default investment account (QDIA)
2F · ERISA section 404(c)
3D · Pre-approved plan (master / prototype / VS)
Audit & trust (Schedule H)
Auditor
RSM US LLP
Trustee / custodian
—
Trustee phone
—
Service providers (Schedule C)
3 rowsRecordkeeper
1| Name | EIN | Location | Relation | Direct comp | Indirect comp |
|---|---|---|---|---|---|
| FIDELITY INVESTMENTS INSTITUTIONAL | 04-2647786 | — | RECORDKEEPER | $250K | — |
Advisor / Consultant
1| Name | EIN | Location | Relation | Direct comp | Indirect comp |
|---|---|---|---|---|---|
| MERRILL LYNCH PIERCE FENNER & SMIT | 13-5674085 | — | INVESTMENT ADVISOR | $77K | — |
Accountant / Auditor
1| Name | EIN | Location | Relation | Direct comp | Indirect comp |
|---|---|---|---|---|---|
| RSM US LLP | 42-0714325 | — | ACCOUNTANT/AUDITOR | $34K | — |
Investments
37 direct securities · 1 pooled fund· $346.5M(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.
Uncategorized
$344.0M
37 holdings
Common Collective Trust
$2.5M
1 holding
| PI | Investment | Type | Shares / units | Cost | Current value | % of plan |
|---|---|---|---|---|---|---|
| Fidelity 500 Index Mutual fund n/a | — | — | — | $49.5M | 14.4% | |
| American Funds 2045 Target Date Mutual fund n/a | — | — | — | $29.1M | 8.4% | |
| American Funds 2050 Target Date Mutual fund n/a | — | — | — | $25.6M | 7.4% | |
| American Funds 2040 Target Date Mutual fund n/a | — | — | — | $25.3M | 7.4% | |
| Alnylam Pharmaceuticals, Inc. Common Stock Common stock | — | — | $8.0M | $25.0M | 7.3% | |
| American Funds 2035 Target Date Mutual fund n/a | — | — | — | $23.9M | 7.0% | |
| American Funds 2055 Target Date Mutual fund n/a | — | — | — | $20.6M | 6.0% | |
| American Funds 2030 Target Date Mutual fund n/a | — | — | — | $19.5M | 5.7% | |
| Fidelity Contrafund Mutual fund n/a | — | — | — | $16.0M | 4.7% | |
| Franklin Dynatech Fund Mutual fund n/a | — | — | — | $13.7M | 4.0% | |
| American Funds 2060 Target Date Mutual fund n/a | — | — | — | $10.6M | 3.1% | |
| Fidelity Mid Cap Index Fund Mutual fund n/a | — | — | — | $9.8M | 2.8% | |
| Fidelity Small Cap Index Fund Mutual fund n/a | — | — | — | $7.6M | 2.2% | |
| Fidelity International Index Fund Mutual fund n/a | — | — | — | $6.6M | 1.9% | |
| American Funds 2025 Target Date Mutual fund n/a | — | — | — | $5.8M | 1.7% | |
| Fidelity US Bond Index Mutual fund n/a | — | — | — | $5.0M | 1.4% | |
| Fidelity Small Cap Growth Fund Mutual fund n/a | — | — | — | $4.4M | 1.3% | |
| Carillon Eagle Mid Cap Growth Fund Mutual fund n/a | — | — | — | $4.4M | 1.3% | |
| T. Rowe Price Value Fund Advisor Class Mutual fund n/a | — | — | — | $4.2M | 1.2% | |
| Victory Sycamore Established Value Fund Mutual fund n/a | — | — | — | $4.2M | 1.2% | |
| BlackRock Health Sciences Opportunities Portfolio Fund Mutual fund n/a | — | — | — | $3.7M | 1.1% | |
| Calvert US Large Cap Core Responsible Index Fund Mutual fund n/a | — | — | — | $3.1M | 0.9% | |
| Fidelity Government Money Market Money market fund n/a | — | — | — | $3.0M | 0.9% | |
| American Funds World Mutual fund n/a | — | — | — | $2.7M | 0.8% | |
| Fidelity Managed Income Portfolio Common/collective trust fund n/a | — | — | — | $2.5M | 0.7% | |
| MIP CL 2 FIDELITY MANAGEMENT TRUST COMPANY · EIN 04-3022712 / PN 024 | Common Collective Trust | — | — | $2.5M | 0.7% | |
| Columbia Balanced Mutual fund n/a | — | — | — | $2.4M | 0.7% | |
| Undiscovered Managers Behavioral Value Mutual fund n/a | — | — | — | $2.4M | 0.7% | |
| Thornburg Strategic Income Mutual fund n/a | — | — | — | $2.3M | 0.7% | |
| John Hancock Bond Fund Mutual fund n/a | — | — | — | $2.1M | 0.6% | |
| Participants maturing through 2034 - | — | — | — | $2.1M | 0.6% | |
| Goldman Sachs GQG Partners Int. Opp. Fund Class R6 Mutual fund n/a | — | — | — | $2.0M | 0.6% | |
| PIMCO Real Return Fund Mutual fund n/a | — | — | — | $1.4M | 0.4% | |
| American Funds 2065 Target Date Mutual fund n/a | — | — | — | $1.2M | 0.3% | |
| C&S Real Estate Mutual fund n/a | — | — | — | $1.1M | 0.3% | |
| American Funds 2020 Target Date Mutual fund n/a | — | — | — | $903K | 0.3% | |
| American Funds 2010 Target Date Mutual fund n/a | — | — | — | $383K | 0.1% | |
| American Funds 2015 Target Date Mutual fund n/a | — | — | — | $105K | <0.1% |