401(k) · DOL Form 5500 · 2023

Regeneron Pharmaceuticals, Inc. 401(k) Plan

Data updated 2026-08-25

$2.2B
Total assets Very large vs avg
9,850
Participants Very large workforce
99th
Percentile by assets National rank
$228,194
Avg per participant Above avg balance/head
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Official DOL plan name: Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan · Sponsored by Regeneron Pharmaceuticals, Inc. · New York · Manufacturing

$2.2B in assets, 9,850 participants

Regeneron Pharmaceuticals, Inc.'s Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan reported $2.2B in total assets and 9,850 participants in its 2023 DOL Form 5500 filing, ranking in the 99th 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.

  • #18,506 in Manufacturing (18,722 peers)

Coverage in New York

Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan covers 9,850 participants in New York, 12x the typical New York plan (state average ~798 per filing). Assets: $2.2B.

#18,506
in Manufacturing (18,722 peers)
+33.2%
assets growth YoY
23×
vs typical plan assets (national mean)

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

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

End-of-year total assets · plan year 2023 · DOL Form 5500

$2,247,714,975 Top 1% higher than 99% of 127,068 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 2023

Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan lands in the large band (9,850 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan reported net income rose from -$20M in the plan year 2022 filing to $560M in the plan year 2023 filing.
  • Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan end-of-year assets rose from $1.7B in the plan year 2022 filing to $2.2B in the plan year 2023 filing.
  • Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan reported participants rose from 8,564 in the plan year 2022 filing to 9,850 in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 133444607 · Regeneron Pharmaceuticals, Inc. PY 2023 · 401(k)

Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan · $2.2B · 9,850 · 99th

  • IND $2.2B
  • IND 9,850
  • IND 99th
  • IND 401(k)
  • IND near Enterprise 401(k) Plan
  • IND ind #18506

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 New York →

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

Union Pacific Agreement Employee 401(k) Retirement Thrift PlanUnion Pacific Agreement Empl…$2.3BWellspan 403(b) Retirement Savings PlanWellspan 403(b) Retirement S…$2.3BRegeneron Pharmaceuticals, Inc. 401(k) Savings PlanRegeneron Pharmaceuticals, I…$2.2BEnterprise 401(k) Plan$2.3BOld Dominion 401(k) Retirement PlanOld Dominion 401(k) Retireme…$2.3B
End-of-year total assets ($B) among Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

New York filing particulars

Total Assets (Beginning of Year)$1.7B
Net Assets (End of Year)$2.2B
Net Income$560M
Employer EIN133444607
Plan Effective Date1993-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Regeneron Pharmaceuticals, Inc.)

Sponsor-wide plan assets over time

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

Latest sponsor-wide plan assets
$2.6B 54.42599777748933% vs 2022
2024 filing year
$1.5B$2B$2.5B$3B 202220232024 $1.69B $2.61B ▲ +54.4%
Year Plans Participants Total Assets
2022 1 8,564 $1.7B
2023 1 9,850 $2.2B
2024 1 10,876 $2.6B

Nearby 401(k) Plans in New York

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

Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan vs. nearby 401(k) plans in New York, assets vs. participants Scatter plot of 6 data points. 050000100000150000 -20020406080 Total assets ($B) Participants Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan, Total assets ($B): 2.247714975 · Participants: 9850Regeneron Pharmaceuticals, Inc. 401(k) Savings PlanIBM 401 (K) Plus Plan, Total assets ($B): 57.428456306 · Participants: 54912IBM 401 (K) Plus PlanPfizer Savings Plan, Total assets ($B): 19.56134085 · Participants: 30033Pfizer Savings PlanMorgan Stanley 401(k) Plan, Total assets ($B): 19.235068266 · Participants: 55363Morgan Stanley 401(k) PlanThe Pepsico Savings Plan, Total assets ($B): 13.651296 · Participants: 133597The Pepsico Savings PlanThe Goldman Sachs 401(k) Plan, Total assets ($B): 11.428659742 · Participants: 24866The Goldman Sachs 401(k) Plan
Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan vs. nearby 401(k) plans in New York, assets vs. participants
Compare Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan side-by-side with 3 peers →

Scale composition for Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan

Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan reports $2.2B in end-of-year assets across 9,850 participants (0.018% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.010% of 93,925,755 covered participants) - about $228,194 per participant (1.7x the national average assets-per-participant) . Net income for plan year 2023 was $560M.

This plan identity (EIN 133444607, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.7B to $2.6B (+54.4%) while covered participants moved from 8,564 to 10,876 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 8,564 $1.7B Open filing
2023 9,850 $2.2B This page
2024 · index core 10,876 $2.6B Open filing

The same sponsor also keeps 1 other index-core plan on PlainRetire:

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

Outside New York, the nearest 401(k) by assets is Enterprise 401(k) Plan in TX ($2.3B); by covered participants it is Spb Hospitality LLC Retirement Savings Plan in TX (9,852 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($2.2B here).

Similar participant headcount

Nearest other-state filings by covered participants (9,850 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan assets move in 2023? ▼
Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan surged - up 33.2% during 2023, from $1.7B to $2.2B. Reported net income was $560M.
How have Regeneron Pharmaceuticals, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Regeneron Pharmaceuticals, Inc.'s sponsor-wide assets grew 54.4%, from $1.7B to $2.6B.
Where does Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan rank by assets among Form 5500 filers? ▼
Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan ranks in the 99th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Enterprise 401(k) Plan in TX ($2.3B, 7,369 participants).
Which 401(k) plans cover a similar participant headcount to Regeneron Pharmaceuticals, Inc. 401(k) Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Spb Hospitality LLC Retirement Savings Plan in TX (9,852 participants, $14M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 133444607.

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.