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Annexon, Inc.

ANNX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001528115

In the last 90 days, Annexon, Inc. insiders filed 1 open-market purchase and 0 sales; 216 institutions reported holding it in 13F filings for Q2 2026, worth $1.02B in total; no superinvestor holds it.

13F holders, Q1 2025

Institutional positions in Annexon, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
148
−3 vs. Q4 2024
Shares held
99.8M
−2.29M (−2.2%) vs. Q4 2024
Total value
$192.1M
−$330.5M (−63.2%) vs. Q4 2024
New holders
25
55 more added
Sold out
28
40 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ANNX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 148 institutions
Q1 2021: 72 institutionsQ2 2021: 74 institutionsQ3 2021: 82 institutionsQ4 2021: 97 institutionsQ1 2022: 100 institutionsQ2 2022: 78 institutionsQ3 2022: 72 institutionsQ4 2022: 84 institutionsQ1 2023: 100 institutionsQ2 2023: 95 institutionsQ3 2023: 93 institutionsQ4 2023: 99 institutionsQ1 2024: 127 institutionsQ2 2024: 140 institutionsQ3 2024: 142 institutionsQ4 2024: 153 institutionsQ1 2025: 148 institutionsQ2 2025: 129 institutionsQ3 2025: 144 institutionsQ4 2025: 168 institutionsQ1 2026: 217 institutionsQ2 2026: 216 institutions
Value heldQ1 2025: $192.1M
Q1 2021: $1.04BQ2 2021: $873.7MQ3 2021: $708.6MQ4 2021: $445.7MQ1 2022: $105.9MQ2 2022: $144.9MQ3 2022: $292.3MQ4 2022: $243.3MQ1 2023: $207.6MQ2 2023: $190.0MQ3 2023: $126.0MQ4 2023: $365.7MQ1 2024: $679.4MQ2 2024: $526.9MQ3 2024: $651.8MQ4 2024: $574.6MQ1 2025: $192.1MQ2 2025: $238.7MQ3 2025: $309.2MQ4 2025: $687.2MQ1 2026: $863.7MQ2 2026: $1.02B
Institutions holding ANNX and their total value by quarter
QuarterHoldersValue
Q2 2026216$1.02B
Q1 2026217$863.7M
Q4 2025168$687.2M
Q3 2025144$309.2M
Q2 2025129$238.7M
Q1 2025148$192.1M
Q4 2024153$574.6M
Q3 2024142$651.8M
Q2 2024140$526.9M
Q1 2024127$679.4M
Q4 202399$365.7M
Q3 202393$126.0M
Q2 202395$190.0M
Q1 2023100$207.6M
Q4 202284$243.3M
Q3 202272$292.3M
Q2 202278$144.9M
Q1 2022100$105.9M
Q4 202197$445.7M
Q3 202182$708.6M
Q2 202174$873.7M
Q1 202172$1.04B

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q4 2024.

Institutions holding ANNX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Farther Finance Advisors, LLC1$20.00%00.0%Unchanged
IFP Advisors, Inc0$150.00%0Unchanged
True Wealth Design, LLC17$330.00%+17New
SBI Securities Co., Ltd.25$480.00%+14+127.3%Added
EverSource Wealth Advisors, LLC74$1430.00%+64+640.0%Added
Parkside Financial Bank & Trust140$2730.00%+140New
The PNC Financial Services Group, Inc.294$5670.00%+78+36.1%Added
HighMark Wealth Management LLC300$5790.00%00.0%Unchanged
Rothschild Investment LLC420$8110.00%+345+460.0%Added
Group One Trading, L.P.438$8450.00%−9,844−95.7%Reduced
Daiwa Securities Group Inc.352$1.00K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC670$1.03K0.00%00.0%Unchanged
Private Wealth Management Group, LLC654$1.26K0.00%00.0%Unchanged
Sterling Capital Management LLC1,685$3.25K0.00%−1,379−45.0%Reduced
Nisa Investment Advisors, LLC1,891$3.65K0.00%+1,708+933.3%Added
GF Fund Management Co. Ltd.2,729$5.27K0.00%+491+21.9%Added
Amalgamated Bank3,370$7.00K0.00%+1,080+47.2%Added
Mirae Asset Global Investments Co., Ltd.3,567$8.03K0.00%+15+0.4%Added
CWM, LLC5,668$11.0K0.00%+4,066+253.8%Added
BNP Paribas Arbitrage, SA5,885$11.4K0.00%−5,519−48.4%Reduced
Point72 Asia (Singapore) Pte. Ltd.5,994$11.6K0.00%+5,994New
Royal Bank of Canada6,834$13.0K0.00%−5,466−44.4%Reduced
Ameritas Investment Partners, Inc.9,689$18.7K0.00%00.0%Unchanged
Harbor Advisors LLC10,000$19.3K0.00%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.10,700$21.0K0.00%−500−4.5%Reduced
Dynamic Technology Lab Private Ltd10,947$21.0K0.00%+10,947New
Gsa Capital Partners LLP11,425$22.0K0.00%+11,425New
Victory Capital Management Inc11,467$22.1K0.00%+399+3.6%Added
Catalyst Funds Management Pty Ltd11,760$22.7K0.01%+11,760New
Citadel Advisors LLC12,455$24.0K0.00%−12,643−50.4%Reduced
LPL Financial LLC12,926$24.9K0.00%+12,926New
Axq Capital, LP14,117$27.2K0.01%+14,117New
Great West Life Assurance Co14,935$29.0K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System15,607$30.1K0.00%+3,750+31.6%Added
Coastal Bridge Advisors, LLC17,000$32.8K0.00%00.0%Unchanged
Quantinno Capital Management LP17,770$34.3K0.00%+17,770New
Quadrature Capital Ltd17,732$34.5K0.00%+17,732New
KLP Kapitalforvaltning AS19,100$36.9K0.00%00.0%Unchanged
Teacher Retirement System of Texas19,462$37.6K0.00%−1,106−5.4%Reduced
Arizona State Retirement System19,875$38.4K0.00%−20−0.1%Reduced
Lido Advisors, LLC20,000$38.6K0.00%+20,000New
Police & Firemen's Retirement System of New Jersey20,587$39.7K0.00%00.0%Unchanged
Virginia Retirement Systems Et Al20,600$39.8K0.00%+20,600New
Quarry LP21,000$40.5K0.01%−37,000−63.8%Reduced
China Universal Asset Management Co., Ltd.21,381$41.3K0.00%−1,221−5.4%Reduced
CIBC World Markets Corp21,667$41.8K0.00%+21,667New
Alpine Global Management, LLC25,145$48.5K0.01%+25,145New
Allegheny Financial Group LTD25,200$48.6K0.01%00.0%Unchanged
Comerica Bank25,607$49.4K0.00%+2,424+10.5%Added
ProShare Advisors LLC25,948$50.1K0.00%−6,600−20.3%Reduced
Tower Research Capital LLC (TRC)26,104$50.4K0.00%+1,212+4.9%Added
Voya Investment Management LLC27,455$53.0K0.00%−1,134−4.0%Reduced
Forefront Analytics, LLC28,591$55.3K0.06%+12,158+74.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)34,026$65.7K0.00%+21,143+164.1%Added
New York State Common Retirement Fund34,479$66.5K0.00%00.0%Unchanged
Shay Capital LLC35,162$67.9K0.02%+4,162+13.4%Added
Virtus Investment Advisers, Inc.36,399$70.3K0.02%+36,399New
MetLife Investment Management37,411$72.2K0.00%−27,556−42.4%Reduced
HSBC Holdings PLC36,935$72.9K0.00%+6,136+19.9%Added
Janus Henderson Group PLC34,500$77.8K0.00%00.0%Unchanged
Susquehanna Fundamental Investments, LLC41,011$79.2K0.00%−78,714−65.7%Reduced
Point72 Europe (London) LLP43,722$84.4K0.01%−111,851−71.9%Reduced
Point72 Asset Management, L.P.45,714$88.2K0.00%−5,581,082−99.2%Reduced
TD Asset Management Inc46,848$90.4K0.00%−86,800−64.9%Reduced
Corebridge Financial, Inc.47,838$92.3K0.00%−709−1.5%Reduced
Franklin Resources Inc49,123$94.8K0.00%−201−0.4%Reduced
EntryPoint Capital, LLC53,271$102.8K0.05%+53,271New
Driehaus Capital Management LLC258,314$104.3K0.00%00.0%Unchanged
Prudential Financial Inc57,120$110.2K0.00%−114,560−66.7%Reduced
Mirae Asset Global ETFs Holdings Ltd.57,263$110.5K0.00%−6,139−9.7%Reduced
XTX Topco Ltd58,130$112.2K0.01%+22,979+65.4%Added
Jain Global LLC61,276$118.3K0.00%+61,276New
Brevan Howard Capital Management LP62,074$119.8K0.00%+62,074New
SG Americas Securities, LLC63,161$122.0K0.00%+32,193+104.0%Added
Y-Intercept (Hong Kong) Ltd65,918$127.2K0.01%+65,918New
California State Teachers Retirement System66,375$128.1K0.00%00.0%Unchanged
Intech Investment Management LLC67,265$129.8K0.00%+21,539+47.1%Added
AQR Capital Management LLC73,790$142.4K0.00%+40,637+122.6%Added
DnB Asset Management AS74,379$143.6K0.00%+26,714+56.0%Added
Citigroup Inc74,664$144.1K0.00%−94,123−55.8%Reduced
HRT Financial LP78,100$150.0K0.00%+78,100New
UBS Asset Management Americas Inc78,857$152.2K0.00%+29,795+60.7%Added
Ieq Capital, LLC80,000$154.4K0.00%+80,000New
State of Wisconsin Investment Board81,636$157.6K0.00%+12,388+17.9%Added
Alps Advisors Inc82,626$159.5K0.00%−3,568−4.1%Reduced
Park Avenue Securities LLC83,068$160.0K0.00%−35,000−29.6%Reduced
Legal & General Group Plc85,535$165.1K0.00%00.0%Unchanged
Invesco Ltd.91,409$176.4K0.00%+59,528+186.7%Added
Balyasny Asset Management LLC96,752$186.7K0.00%+96,752New
Jane Street Group, LLC99,924$192.9K0.00%+7,553+8.2%Added
Schonfeld Strategic Advisors LLC111,201$214.6K0.00%+63,901+135.1%Added
Alliancebernstein L.P.111,300$214.8K0.00%00.0%Unchanged
Squarepoint Ops LLC132,997$256.7K0.00%+75,844+132.7%Added
Manufacturers Life Insurance Company, The134,562$259.7K0.00%−24,457−15.4%Reduced
Swiss National Bank135,000$260.6K0.00%00.0%Unchanged
Cinctive Capital Management LP135,466$261.4K0.02%00.0%Unchanged
Rhumbline Advisers136,400$263.2K0.00%−5,452−3.8%Reduced
Syon Capital LLC144,485$278.9K0.02%+144,485New
Barclays PLC165,132$318.7K0.00%−41,859−20.2%Reduced
Millennium Management LLC175,303$338.3K0.00%+19,627+12.6%Added