Civic Intelligence

Arrowhead Pharmaceuticals Inc.

Plan context: Arrowhead 401(K) Plan and Trust

EIN 46-0408024 • Pasadena, CA • 20 filings • 2 plans

225 South Lake AvenueSuite 1050Pasadena, CA 91101
Current Snapshot

Latest Year

2024

2024 Participants

611

2024 Assets

$60,304,173

2024 Contributions

$13,125,689

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$60,304,173$30,152,087$0200520152024YearValue
$60,304,173Latest year 2024

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

6113060200520152024YearValue
611Latest year 2024

Company Timeline

Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.

Year / FilingFilingsParticipantsAssetsContributionsContrib./Participant
20241611$60,304,173$13,125,689$21,482iApproximate average salary by contribution assumption: employee only about $537,058 at 4% or $358,038 at 6%; with 50% employer match about $358,038 at 4% or $238,692 at 6%; with 100% employer match about $268,529 at 4% or $179,019 at 6%.
Arrowhead 401(K) Plan and Trust-611$60,304,173$13,125,689$21,482iApproximate average salary by contribution assumption: employee only about $537,058 at 4% or $358,038 at 6%; with 50% employer match about $358,038 at 4% or $238,692 at 6%; with 100% employer match about $268,529 at 4% or $179,019 at 6%.
20231546$43,979,875$9,945,648$18,215iApproximate average salary by contribution assumption: employee only about $455,387 at 4% or $303,591 at 6%; with 50% employer match about $303,591 at 4% or $202,394 at 6%; with 100% employer match about $227,693 at 4% or $151,796 at 6%.
Arrowhead 401(K) Plan and Trust-546$43,979,875$9,945,648$18,215iApproximate average salary by contribution assumption: employee only about $455,387 at 4% or $303,591 at 6%; with 50% employer match about $303,591 at 4% or $202,394 at 6%; with 100% employer match about $227,693 at 4% or $151,796 at 6%.
20221428$29,371,639$7,636,323$17,842iApproximate average salary by contribution assumption: employee only about $446,047 at 4% or $297,365 at 6%; with 50% employer match about $297,365 at 4% or $198,243 at 6%; with 100% employer match about $223,023 at 4% or $148,682 at 6%.
Arrowhead 401(K) Plan and Trust-428$29,371,639$7,636,323$17,842iApproximate average salary by contribution assumption: employee only about $446,047 at 4% or $297,365 at 6%; with 50% employer match about $297,365 at 4% or $198,243 at 6%; with 100% employer match about $223,023 at 4% or $148,682 at 6%.
20211346$28,020,990$5,811,187$16,795iApproximate average salary by contribution assumption: employee only about $419,883 at 4% or $279,922 at 6%; with 50% employer match about $279,922 at 4% or $186,615 at 6%; with 100% employer match about $209,942 at 4% or $139,961 at 6%.
Arrowhead 401(K) Plan and Trust-346$28,020,990$5,811,187$16,795iApproximate average salary by contribution assumption: employee only about $419,883 at 4% or $279,922 at 6%; with 50% employer match about $279,922 at 4% or $186,615 at 6%; with 100% employer match about $209,942 at 4% or $139,961 at 6%.
20201251$20,344,163$4,779,942$19,044iApproximate average salary by contribution assumption: employee only about $476,090 at 4% or $317,393 at 6%; with 50% employer match about $317,393 at 4% or $211,595 at 6%; with 100% employer match about $238,045 at 4% or $158,697 at 6%.
Arrowhead 401(K) Plan and Trust-251$20,344,163$4,779,942$19,044iApproximate average salary by contribution assumption: employee only about $476,090 at 4% or $317,393 at 6%; with 50% employer match about $317,393 at 4% or $211,595 at 6%; with 100% employer match about $238,045 at 4% or $158,697 at 6%.
20191151$13,963,371$2,548,757$16,879iApproximate average salary by contribution assumption: employee only about $421,980 at 4% or $281,320 at 6%; with 50% employer match about $281,320 at 4% or $187,547 at 6%; with 100% employer match about $210,990 at 4% or $140,660 at 6%.
Arrowhead 401(K) Plan and Trust-151$13,963,371$2,548,757$16,879iApproximate average salary by contribution assumption: employee only about $421,980 at 4% or $281,320 at 6%; with 50% employer match about $281,320 at 4% or $187,547 at 6%; with 100% employer match about $210,990 at 4% or $140,660 at 6%.
20181120$10,202,144$1,787,718$14,898iApproximate average salary by contribution assumption: employee only about $372,441 at 4% or $248,294 at 6%; with 50% employer match about $248,294 at 4% or $165,529 at 6%; with 100% employer match about $186,221 at 4% or $124,147 at 6%.
Arrowhead 401(K) Plan and Trust-120$10,202,144$1,787,718$14,898iApproximate average salary by contribution assumption: employee only about $372,441 at 4% or $248,294 at 6%; with 50% employer match about $248,294 at 4% or $165,529 at 6%; with 100% employer match about $186,221 at 4% or $124,147 at 6%.
20171100$9,467,111$1,567,443$15,674iApproximate average salary by contribution assumption: employee only about $391,861 at 4% or $261,241 at 6%; with 50% employer match about $261,241 at 4% or $174,160 at 6%; with 100% employer match about $195,930 at 4% or $130,620 at 6%.
Arrowhead 401(K) Plan and Trust-100$9,467,111$1,567,443$15,674iApproximate average salary by contribution assumption: employee only about $391,861 at 4% or $261,241 at 6%; with 50% employer match about $261,241 at 4% or $174,160 at 6%; with 100% employer match about $195,930 at 4% or $130,620 at 6%.
2016192$8,055,275$1,823,547$19,821iApproximate average salary by contribution assumption: employee only about $495,529 at 4% or $330,353 at 6%; with 50% employer match about $330,353 at 4% or $220,235 at 6%; with 100% employer match about $247,765 at 4% or $165,176 at 6%.
Arrowhead 401(K) Plan and Trust-92$8,055,275$1,823,547$19,821iApproximate average salary by contribution assumption: employee only about $495,529 at 4% or $330,353 at 6%; with 50% employer match about $330,353 at 4% or $220,235 at 6%; with 100% employer match about $247,765 at 4% or $165,176 at 6%.
20151107$5,835,056$1,610,183$15,048iApproximate average salary by contribution assumption: employee only about $376,211 at 4% or $250,807 at 6%; with 50% employer match about $250,807 at 4% or $167,205 at 6%; with 100% employer match about $188,105 at 4% or $125,404 at 6%.
Arrowhead 401(K) Plan and Trust-107$5,835,056$1,610,183$15,048iApproximate average salary by contribution assumption: employee only about $376,211 at 4% or $250,807 at 6%; with 50% employer match about $250,807 at 4% or $167,205 at 6%; with 100% employer match about $188,105 at 4% or $125,404 at 6%.
2014192$4,321,943$1,123,348$12,210iApproximate average salary by contribution assumption: employee only about $305,258 at 4% or $203,505 at 6%; with 50% employer match about $203,505 at 4% or $135,670 at 6%; with 100% employer match about $152,629 at 4% or $101,753 at 6%.
Arrowhead 401(K) Plan and Trust-92$4,321,943$1,123,348$12,210iApproximate average salary by contribution assumption: employee only about $305,258 at 4% or $203,505 at 6%; with 50% employer match about $203,505 at 4% or $135,670 at 6%; with 100% employer match about $152,629 at 4% or $101,753 at 6%.
2013157$3,134,095$816,977$14,333iApproximate average salary by contribution assumption: employee only about $358,323 at 4% or $238,882 at 6%; with 50% employer match about $238,882 at 4% or $159,255 at 6%; with 100% employer match about $179,162 at 4% or $119,441 at 6%.
Arrowhead 401(K) Plan and Trust-57$3,134,095$816,977$14,333iApproximate average salary by contribution assumption: employee only about $358,323 at 4% or $238,882 at 6%; with 50% employer match about $238,882 at 4% or $159,255 at 6%; with 100% employer match about $179,162 at 4% or $119,441 at 6%.
2012152$2,017,298$852,871$16,401iApproximate average salary by contribution assumption: employee only about $410,034 at 4% or $273,356 at 6%; with 50% employer match about $273,356 at 4% or $182,237 at 6%; with 100% employer match about $205,017 at 4% or $136,678 at 6%.
Arrowhead 401(K) Plan and Trust-52$2,017,298$852,871$16,401iApproximate average salary by contribution assumption: employee only about $410,034 at 4% or $273,356 at 6%; with 50% employer match about $273,356 at 4% or $182,237 at 6%; with 100% employer match about $205,017 at 4% or $136,678 at 6%.
2011154$1,373,028$196,017$3,630iApproximate average salary by contribution assumption: employee only about $90,749 at 4% or $60,499 at 6%; with 50% employer match about $60,499 at 4% or $40,333 at 6%; with 100% employer match about $45,374 at 4% or $30,250 at 6%.
Arrowhead 401(K) Plan and Trust-54$1,373,028$196,017$3,630iApproximate average salary by contribution assumption: employee only about $90,749 at 4% or $60,499 at 6%; with 50% employer match about $60,499 at 4% or $40,333 at 6%; with 100% employer match about $45,374 at 4% or $30,250 at 6%.
2010144$1,803,507$175,785$3,995iApproximate average salary by contribution assumption: employee only about $99,878 at 4% or $66,585 at 6%; with 50% employer match about $66,585 at 4% or $44,390 at 6%; with 100% employer match about $49,939 at 4% or $33,293 at 6%.
Arrowhead 401(K) Plan and Trust-44$1,803,507$175,785$3,995iApproximate average salary by contribution assumption: employee only about $99,878 at 4% or $66,585 at 6%; with 50% employer match about $66,585 at 4% or $44,390 at 6%; with 100% employer match about $49,939 at 4% or $33,293 at 6%.
2009146$1,548,378$232,721$5,059iApproximate average salary by contribution assumption: employee only about $126,479 at 4% or $84,319 at 6%; with 50% employer match about $84,319 at 4% or $56,213 at 6%; with 100% employer match about $63,239 at 4% or $42,160 at 6%.
Arrowhead 401(K) Plan and Trust-46$1,548,378$232,721$5,059iApproximate average salary by contribution assumption: employee only about $126,479 at 4% or $84,319 at 6%; with 50% employer match about $84,319 at 4% or $56,213 at 6%; with 100% employer match about $63,239 at 4% or $42,160 at 6%.
2008151$1,694,574$923,499$18,108iApproximate average salary by contribution assumption: employee only about $452,696 at 4% or $301,797 at 6%; with 50% employer match about $301,797 at 4% or $201,198 at 6%; with 100% employer match about $226,348 at 4% or $150,899 at 6%.
Arrowhead 401(K) Plan and Trust-51$1,694,574$923,499$18,108iApproximate average salary by contribution assumption: employee only about $452,696 at 4% or $301,797 at 6%; with 50% employer match about $301,797 at 4% or $201,198 at 6%; with 100% employer match about $226,348 at 4% or $150,899 at 6%.
2007160$1,704,624$815,083$13,585iApproximate average salary by contribution assumption: employee only about $339,618 at 4% or $226,412 at 6%; with 50% employer match about $226,412 at 4% or $150,941 at 6%; with 100% employer match about $169,809 at 4% or $113,206 at 6%.
Arrowhead 401(K) Plan and Trust-60$1,704,624$815,083$13,585iApproximate average salary by contribution assumption: employee only about $339,618 at 4% or $226,412 at 6%; with 50% employer match about $226,412 at 4% or $150,941 at 6%; with 100% employer match about $169,809 at 4% or $113,206 at 6%.
2006139$991,870$567,954$14,563iApproximate average salary by contribution assumption: employee only about $364,073 at 4% or $242,715 at 6%; with 50% employer match about $242,715 at 4% or $161,810 at 6%; with 100% employer match about $182,037 at 4% or $121,358 at 6%.
Arrowhead 401(K) Plan and Trust-39$991,870$567,954$14,563iApproximate average salary by contribution assumption: employee only about $364,073 at 4% or $242,715 at 6%; with 50% employer match about $242,715 at 4% or $161,810 at 6%; with 100% employer match about $182,037 at 4% or $121,358 at 6%.
2005130$390,445$432,288$14,410iApproximate average salary by contribution assumption: employee only about $360,240 at 4% or $240,160 at 6%; with 50% employer match about $240,160 at 4% or $160,107 at 6%; with 100% employer match about $180,120 at 4% or $120,080 at 6%.
Arrowhead 401(K) Plan and Trust-30$390,445$432,288$14,410iApproximate average salary by contribution assumption: employee only about $360,240 at 4% or $240,160 at 6%; with 50% employer match about $240,160 at 4% or $160,107 at 6%; with 100% employer match about $180,120 at 4% or $120,080 at 6%.