Skip to main content

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 2024

Institutional positions in Annexon, Inc. as of Mar 31, 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
127
+28 vs. Q4 2023
Shares held
95.0M
+14.2M (+17.6%) vs. Q4 2023
Total value
$679.4M
+$313.7M (+85.8%) vs. Q4 2023
New holders
39
42 more added
Sold out
11
27 more reduced

Compare with Q4 2023: 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 2024: 127 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 2024: $679.4M
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 2024

Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q4 2023.

Institutions holding ANNX in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Driehaus Capital Management LLC258,314$00.00%00.0%Unchanged
CWM, LLC17$00.00%+17New
Farther Finance Advisors, LLC1$70.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC9$640.00%+9New
Nisa Investment Advisors, LLC22$1580.00%+22New
Quadrant Capital Group LLC34$2440.00%+34New
Parallel Advisors, LLC122$8750.00%+122New
The PNC Financial Services Group, Inc.161$1.15K0.00%00.0%Unchanged
Lindbrook Capital, LLC290$2.08K0.00%+290New
HighMark Wealth Management LLC300$2.15K0.00%00.0%Unchanged
Private Wealth Management Group, LLC654$4.69K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.791$5.67K0.00%00.0%Unchanged
Sunbelt Securities, Inc.800$5.74K0.00%+800New
Russell Investments Group, Ltd.988$7.08K0.00%00.0%Unchanged
Federated Hermes, Inc.1,283$9.20K0.00%+1,283New
Royal Bank of Canada1,883$14.0K0.00%−11,018−85.4%Reduced
Amalgamated Bank2,290$16.0K0.00%−1,691−42.5%Reduced
Metropolitan Life Insurance Co3,603$25.8K0.00%+3,603New
Catalyst Funds Management Pty Ltd4,200$30.1K0.01%+4,200New
Legal & General Group Plc5,506$39.5K0.00%+1,978+56.1%Added
Group One Trading, L.P.5,520$39.6K0.00%+1,582+40.2%Added
Ameritas Investment Partners, Inc.6,718$48.2K0.00%+2,949+78.2%Added
California State Teachers Retirement System6,774$48.6K0.00%−738−9.8%Reduced
Quarry LP7,010$50.3K0.02%+7,010New
Tower Research Capital LLC (TRC)7,014$50.3K0.00%−4,910−41.2%Reduced
Cubist Systematic Strategies, LLC8,094$58.0K0.00%−9,050−52.8%Reduced
Kestra Advisory Services, LLC10,000$71.7K0.00%00.0%Unchanged
Comerica Bank10,000$71.7K0.00%+10,000New
Cambridge Investment Research Advisors, Inc.10,700$77.0K0.00%+700+7.0%Added
AQR Capital Management LLC11,378$81.6K0.00%+11,378New
New York State Common Retirement Fund11,947$85.7K0.00%+11,049+1,230.4%Added
ProShare Advisors LLC12,102$86.8K0.00%+12,102New
49 Wealth Management, LLC13,293$88.1K0.02%−2,801−17.4%Reduced
Citigroup Inc12,879$92.3K0.00%+5,825+82.6%Added
EntryPoint Capital, LLC13,618$97.6K0.09%+13,618New
J. Goldman & Co LP14,670$105.2K0.00%+14,670New
Qube Research & Technologies Ltd14,806$106.2K0.00%+14,806New
Forefront Analytics, LLC14,818$106.2K0.05%−16,462−52.6%Reduced
Belvedere Trading LLC16,446$117.9K0.01%+16,446New
Bayesian Capital Management, LP16,599$119.0K0.01%+16,599New
Coastal Bridge Advisors, LLC17,000$121.9K0.03%00.0%Unchanged
Voya Investment Management LLC21,507$154.2K0.00%+2,437+12.8%Added
Allegheny Financial Group LTD21,700$155.6K0.05%00.0%Unchanged
SG Americas Securities, LLC21,704$156.0K0.00%−3,631−14.3%Reduced
Gsa Capital Partners LLP25,712$184.0K0.01%+25,712New
Axq Capital, LP25,700$184.3K0.04%+25,700New
Wells Fargo & Company28,905$207.2K0.00%+12,473+75.9%Added
American International Group, Inc.33,197$238.0K0.00%+10,510+46.3%Added
Susquehanna Fundamental Investments, LLC33,570$240.7K0.01%+33,570New
Lincoln National Corp35,000$250.9K0.00%+35,000New
MetLife Investment Management35,007$251.0K0.00%+35,007New
DnB Asset Management AS35,911$257.5K0.00%+35,911New
Prudential Financial Inc37,125$266.2K0.00%−43,480−53.9%Reduced
PDT Partners, LLC39,505$283.3K0.03%+39,505New
Alliancebernstein L.P.40,620$291.2K0.00%00.0%Unchanged
HSBC Holdings PLC44,018$315.6K0.00%+7,612+20.9%Added
Cinctive Capital Management LP44,300$317.6K0.02%+44,300New
Virtu Financial LLC45,730$328.0K0.03%−2,884−5.9%Reduced
Cornercap Investment Counsel Inc46,698$334.8K0.05%00.0%Unchanged
Simplex Trading, LLC63,295$453.0K0.01%+56,542+837.3%Added
Barclays PLC74,900$537.0K0.00%−110,431−59.6%Reduced
Bank of America Corp75,886$544.1K0.00%+24,562+47.9%Added
American Century Companies Inc78,420$562.3K0.00%+44,556+131.6%Added
Rhumbline Advisers81,978$587.8K0.00%+22,658+38.2%Added
UBS Group AG91,046$652.8K0.00%+41,460+83.6%Added
Manufacturers Life Insurance Company, The93,806$672.6K0.00%+73,785+368.5%Added
Lighthouse Investment Partners, LLC122,784$880.4K0.05%+55,273+81.9%Added
Jane Street Group, LLC132,425$949.5K0.00%+100,781+318.5%Added
Connor, Clark & Lunn Investment Management Ltd.141,037$1.01M0.00%+52,946+60.1%Added
Susquehanna Portfolio Strategies, LLC141,562$1.01M0.02%00.0%Unchanged
Artia Global Partners LP147,485$1.06M0.26%+147,485New
Susquehanna International Group, LLP151,501$1.09M0.00%+127,556+532.7%Added
Superstring Capital Management LP155,728$1.12M0.74%+155,728New
Deutsche Bank AG155,883$1.12M0.00%−1,119−0.7%Reduced
Wellington Management Group LLP169,570$1.22M0.00%+169,570New
TD Asset Management Inc176,200$1.26M0.00%+176,200New
Bridgeway Capital Management, LLC177,500$1.27M0.03%−2,000−1.1%Reduced
Bank of New York Mellon Corp180,616$1.30M0.00%+46,339+34.5%Added
Charles Schwab Investment Management Inc181,051$1.30M0.00%+57,383+46.4%Added
Two Sigma Advisers, LP194,400$1.39M0.00%+109,600+129.2%Added
Jump Financial, LLC210,200$1.51M0.04%+210,200New
UBS Oconnor LLC248,277$1.78M0.05%−444,651−64.2%Reduced
Citadel Advisors LLC258,675$1.85M0.00%−799,012−75.5%Reduced
Soleus Capital Management, L.P.292,400$2.10M0.18%−223,000−43.3%Reduced
Nuveen Asset Management, LLC308,058$2.21M0.00%+113,460+58.3%Added
ExodusPoint Capital Management, LP315,155$2.26M0.03%−27,784−8.1%Reduced
Marshall Wace, LLP315,612$2.26M0.00%+315,612New
Dimensional Fund Advisors LP333,913$2.39M0.00%+246,866+283.6%Added
Parkman Healthcare Partners LLC346,687$2.49M0.30%+346,687New
Two Sigma Investments, LP373,448$2.68M0.01%+346,865+1,304.8%Added
Boothbay Fund Management, LLC375,276$2.69M0.08%−332,539−47.0%Reduced
D. E. Shaw & Co., Inc.379,254$2.72M0.00%+379,254New
Board of Trustees of The Leland Stanford Junior University482,550$3.46M0.30%00.0%Unchanged
Caption Management, LLC500,000$3.58M0.39%+500,000New
Northern Trust Corp555,566$3.98M0.00%+188,291+51.3%Added
Goldman Sachs Group Inc562,966$4.04M0.00%+278,033+97.6%Added
Deerfield Management Company, L.P. (Series C)583,913$4.19M0.07%00.0%Unchanged
StemPoint Capital LP605,117$4.34M1.16%−1,983−0.3%Reduced
Renaissance Technologies LLC671,200$4.81M0.01%+187,000+38.6%Added
Schonfeld Strategic Advisors LLC761,600$5.46M0.04%+744,600+4,380.0%Added