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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, Q3 2024

Institutional positions in Annexon, Inc. as of Sep 30, 2024. 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
142
+4 vs. Q2 2024
Shares held
110.2M
+9.36M (+9.3%) vs. Q2 2024
Total value
$651.8M
+$157.9M (+32.0%) vs. Q2 2024
New holders
22
57 more added
Sold out
18
38 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 142 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 heldQ3 2024: $651.8M
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, Q3 2024

Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q2 2024.

Institutions holding ANNX in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Farther Finance Advisors, LLC1$60.00%00.0%Unchanged
National Bank of Canada2$120.00%+2New
Lindbrook Capital, LLC83$4910.00%+83New
Signaturefd, LLC151$8940.00%00.0%Unchanged
Rothschild Investment LLC165$9770.00%+140+560.0%Added
Clear Street Markets LLC218$1.00K0.00%+218New
The PNC Financial Services Group, Inc.216$1.28K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC258$1.53K0.00%+71+38.0%Added
Sterling Capital Management LLC298$1.76K0.00%+298New
HighMark Wealth Management LLC300$1.78K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.457$2.71K0.00%00.0%Unchanged
Private Wealth Management Group, LLC654$3.87K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC670$3.97K0.00%00.0%Unchanged
Catalyst Funds Management Pty Ltd1,000$5.92K0.00%+1,000New
Russell Investments Group, Ltd.1,049$6.21K0.00%−5,049−82.8%Reduced
Capital Performance Advisors LLP1,438$8.51K0.00%+1,438New
Amalgamated Bank2,290$14.0K0.00%00.0%Unchanged
Federated Hermes, Inc.4,924$29.1K0.00%+2,042+70.9%Added
CWM, LLC5,352$32.0K0.00%+2,844+113.4%Added
Tower Research Capital LLC (TRC)5,591$33.1K0.00%−10,290−64.8%Reduced
Citadel Advisors LLC5,638$33.4K0.00%+5,638New
California State Teachers Retirement System6,994$41.4K0.00%+890+14.6%Added
Ameritas Investment Partners, Inc.9,689$57.4K0.00%+2,971+44.2%Added
Royal Bank of Canada9,786$58.0K0.00%−4,339−30.7%Reduced
Harbor Advisors LLC10,000$59.2K0.01%00.0%Unchanged
Sandia Investment Management LP10,000$59.2K0.10%00.0%Unchanged
Aigen Investment Management, LP10,048$59.5K0.01%−7,734−43.5%Reduced
SEI Investments Co10,319$61.1K0.00%+10,319New
Forefront Analytics, LLC10,483$62.1K0.03%−5,620−34.9%Reduced
Victory Capital Management Inc10,652$63.1K0.00%+307+3.0%Added
Cambridge Investment Research Advisors, Inc.11,400$67.0K0.00%+83+0.7%Added
E Fund Management Co., Ltd.11,361$67.3K0.00%+11,361New
State Board of Administration of Florida Retirement System11,857$70.2K0.00%00.0%Unchanged
Omers Administration Corp12,900$76.4K0.00%−11,500−47.1%Reduced
Legal & General Group Plc13,870$82.1K0.00%+1,207+9.5%Added
New York State Common Retirement Fund14,168$83.9K0.00%−20,500−59.1%Reduced
Nebula Research & Development LLC14,504$85.9K0.01%+14,504New
Virtus ETF Advisers LLC15,339$90.8K0.04%+276+1.8%Added
Coastal Bridge Advisors, LLC17,000$100.6K0.02%00.0%Unchanged
Corton Capital Inc.17,441$103.3K0.05%+5,963+52.0%Added
ProShare Advisors LLC18,073$107.0K0.00%+18,073New
Comerica Bank18,900$111.9K0.00%+8,900+89.0%Added
Virtu Financial LLC19,165$113.0K0.01%−10,499−35.4%Reduced
Quarry LP20,000$118.4K0.04%+20,000New
Invesco Ltd.21,270$125.9K0.00%−1,568−6.9%Reduced
Bayesian Capital Management, LP22,099$130.8K0.02%−16,500−42.7%Reduced
Cornercap Investment Counsel Inc22,604$133.8K0.04%−23,453−50.9%Reduced
Allegheny Financial Group LTD25,200$149.2K0.04%00.0%Unchanged
Simplex Trading, LLC25,830$152.0K0.01%+25,830New
State of Wisconsin Investment Board25,955$153.7K0.00%−38,354−59.6%Reduced
Intech Investment Management LLC26,013$154.0K0.00%+26,013New
Group One Trading, L.P.29,399$174.0K0.01%+15,066+105.1%Added
Voya Investment Management LLC30,030$177.8K0.00%+1,748+6.2%Added
Susquehanna International Group, LLP31,164$184.5K0.00%−308,114−90.8%Reduced
SG Americas Securities, LLC32,763$194.0K0.00%+17,723+117.8%Added
Gsa Capital Partners LLP34,581$205.0K0.02%+3,355+10.7%Added
Creative Planning34,779$205.9K0.00%+7,914+29.5%Added
Profund Advisors LLC35,447$209.8K0.01%+35,447New
Two Sigma Advisers, LP37,200$220.2K0.00%−82,200−68.8%Reduced
HSBC Holdings PLC37,825$229.2K0.00%+1,456+4.0%Added
Sherbrooke Park Advisers LLC43,031$254.7K0.06%−18,078−29.6%Reduced
DnB Asset Management AS46,804$277.1K0.00%+319+0.7%Added
Bridgeway Capital Management, LLC50,000$296.0K0.01%−35,000−41.2%Reduced
Corebridge Financial, Inc.51,138$302.7K0.00%+5,820+12.8%Added
MetLife Investment Management55,212$326.9K0.00%+5,814+11.8%Added
Mirae Asset Global ETFs Holdings Ltd.59,310$352.6K0.00%+25,143+73.6%Added
Franklin Resources Inc49,406$366.1K0.00%+49,406New
Advisor Group Holdings, Inc.62,625$370.7K0.00%00.0%Unchanged
AQR Capital Management LLC64,791$383.6K0.00%−214,672−76.8%Reduced
Jane Street Group, LLC66,864$395.8K0.00%−3,101−4.4%Reduced
Citigroup Inc70,006$414.4K0.00%−599,152−89.5%Reduced
Millennium Management LLC72,655$430.1K0.00%−274,557−79.1%Reduced
Alps Advisors Inc74,344$440.1K0.00%+3,267+4.6%Added
D. E. Shaw & Co., Inc.81,411$482.0K0.00%−10,674−11.6%Reduced
Driehaus Capital Management LLC258,314$490.5K0.00%00.0%Unchanged
Squarepoint Ops LLC106,591$631.0K0.00%+78,254+276.2%Added
Park Avenue Securities LLC118,068$699.0K0.01%+68,082+136.2%Added
Alliancebernstein L.P.127,360$754.0K0.00%−19,090−13.0%Reduced
Rhumbline Advisers135,998$805.1K0.00%+9,339+7.4%Added
TD Asset Management Inc133,648$820.6K0.00%00.0%Unchanged
Two Sigma Investments, LP140,917$834.2K0.00%−185,487−56.8%Reduced
American Century Companies Inc144,214$853.7K0.00%+28,552+24.7%Added
Bank of Montreal151,463$930.0K0.00%+151,463New
Ameriprise Financial Inc158,773$939.9K0.00%+158,773New
Manufacturers Life Insurance Company, The159,586$944.7K0.00%+2,450+1.6%Added
Point72 Europe (London) LLP159,953$946.9K0.08%−74,639−31.8%Reduced
Prudential Financial Inc161,280$954.8K0.00%+121,940+310.0%Added
Bank of America Corp167,160$989.6K0.00%+101,600+155.0%Added
Artia Global Partners LP172,226$1.02M0.29%+24,741+16.8%Added
Rafferty Asset Management, LLC176,825$1.05M0.00%+176,825New
Barclays PLC177,765$1.05M0.00%+120,789+212.0%Added
Cinctive Capital Management LP186,828$1.11M0.06%−31,262−14.3%Reduced
Wells Fargo & Company218,214$1.29M0.00%+67,598+44.9%Added
UBS Group AG219,127$1.30M0.00%+143,554+190.0%Added
Bank of New York Mellon Corp224,320$1.33M0.00%−33,713−13.1%Reduced
Hennion & Walsh Asset Management, Inc.259,404$1.54M0.07%+66,792+34.7%Added
Wellington Management Group LLP263,360$1.56M0.00%+69,941+36.2%Added
Marshall Wace, LLP292,374$1.73M0.00%−1,401,291−82.7%Reduced
UBS Oconnor LLC320,574$1.90M0.05%+92,297+40.4%Added
Parkman Healthcare Partners LLC328,613$1.95M0.25%+1,768+0.5%Added