401(k) · DOL Form 5500 · 2024

Apellis Pharmaceuticals, Inc. 401(k) Plan

Data updated 2026-08-25

$88M
Total assets Below avg plan size
579
Participants Below avg headcount
89th
Percentile by assets National rank
$152,052
Avg per participant Above avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Apellis Pharmaceuticals, Inc. 401(k) Plan · Sponsored by Apellis Pharmaceuticals, Inc. · Massachusetts · Manufacturing

$88M in assets, 579 participants

Apellis Pharmaceuticals, Inc.'s Apellis Pharmaceuticals, Inc. 401(k) Plan reported $88M in total assets and 579 participants in its 2024 DOL Form 5500 filing, ranking in the 89th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #15,035 in Manufacturing (17,777 peers)

Where Apellis Pharmaceuticals, Inc. 401(k) Plan sits by assets

Apellis Pharmaceuticals, Inc. 401(k) Plan sits in the top quartile of all filed plans by assets, $88M for 579 participants (~$152,052/participant), up 35.4% in 2024.

#15,035
in Manufacturing (17,777 peers)
+35.4%
assets growth YoY
0.9×
vs typical plan assets (national mean)

Apellis Pharmaceuticals, Inc. 401(k) Plan's outsized position by total assets

Apellis Pharmaceuticals, Inc. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$88,038,236 Top 11% higher than 89% of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Apellis Pharmaceuticals, Inc. 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Apellis Pharmaceuticals, Inc. 401(k) Plan sits mid-pack in the medium band (579 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Apellis Pharmaceuticals, Inc. 401(k) Plan end-of-year assets rose from $65M in the plan year 2023 filing to $88M in the plan year 2024 filing.
  • Apellis Pharmaceuticals, Inc. 401(k) Plan reported participants fell from 694 in the plan year 2023 filing to 579 in the plan year 2024 filing.
  • Apellis Pharmaceuticals, Inc. 401(k) Plan reported net income fell from $24M in the plan year 2023 filing to $23M in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 271537290 · Apellis Pharmaceuticals, Inc. PY 2024 · 401(k)

Apellis Pharmaceuticals, Inc. 401(k) Plan · $88M · 579 · 89th

  • PCT $88M
  • EIN 579
  • RANK 89th
  • PHOTO 401(k)
  • IND near Sbm Offshore USA, Inc. Savings and Retirement Plan
  • EOY ind #15035

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Manufacturing retirement plans → · Plans in Massachusetts →

Apellis Pharmaceuticals, Inc. 401(k) Plan in the asset neighbourhood

Team Brandt, LLC 401(k) and Profit Sharing PlanTeam Brandt, LLC 401(k) and …$88MApellis Pharmaceuticals, Inc. 401(k) PlanApellis Pharmaceuticals, Inc…$88MSbm Offshore USA, Inc. Savings and Retirement PlanSbm Offshore USA, Inc. Savin…$88MHoward Industries, Inc. Retirement Savings PlanHoward Industries, Inc. Reti…$88MCentromotion 401(k) Plan$88M
End-of-year total assets ($M) among Apellis Pharmaceuticals, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$65M
Net Assets (End of Year)$88M
Net Income$23M
Employer EIN271537290
Plan Effective Date2010-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Apellis Pharmaceuticals, Inc.)

Sponsor-wide plan assets over time

All Apellis Pharmaceuticals, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$88M 115.20120444690276% vs 2022
2024 filing year
$20M$40M$60M$80M$100M 202220232024 $40.9M $88M ▲ +115.2%
Year Plans Participants Total Assets
2022 1 451 $41M
2023 1 694 $65M
2024 1 579 $88M

Nearby 401(k) Plans in Massachusetts

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Apellis Pharmaceuticals, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Apellis Pharmaceuticals, Inc. 401(k) Plan, Total assets ($B): 0.088038236 · Participants: 579Apellis Pharmaceuticals, Inc. 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 34.201609937 · Participants: 66907Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 11.352606499 · Participants: 34618Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 7.720373045 · Participants: 14762Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 6.775289067 · Participants: 20639Boston Scientific Corporation 401(k) Retirement Savings PlanState Street Salary Savings Program, Total assets ($B): 6.532301643 · Participants: 12777State Street Salary Savings Program
Apellis Pharmaceuticals, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Apellis Pharmaceuticals, Inc. 401(k) Plan side-by-side with 3 peers →

Apellis Pharmaceuticals, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Sbm Offshore USA, Inc. Savings and Retirement Plan in TX ($88M); by covered participants it is Triumph Foods, LLC 401(k) Plan in MO (579 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (579 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Apellis Pharmaceuticals, Inc. 401(k) Plan assets move in 2024? ▼
Apellis Pharmaceuticals, Inc. 401(k) Plan surged - up 35.4% during 2024, from $65M to $88M. Reported net income was $23M.
How have Apellis Pharmaceuticals, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Apellis Pharmaceuticals, Inc.'s sponsor-wide assets grew 115.2%, from $41M to $88M.
Where does Apellis Pharmaceuticals, Inc. 401(k) Plan rank by assets among Form 5500 filers? ▼
Apellis Pharmaceuticals, Inc. 401(k) Plan ranks in the 89th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Apellis Pharmaceuticals, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Sbm Offshore USA, Inc. Savings and Retirement Plan in TX ($88M, 32 participants).
Which 401(k) plans cover a similar participant headcount to Apellis Pharmaceuticals, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Triumph Foods, LLC 401(k) Plan in MO (579 participants, $15M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 271537290.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.