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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 2021

Institutional positions in Annexon, Inc. as of Mar 31, 2021. 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
72
No complete 13F data for Q4 2020
Shares held
37.4M
No complete 13F data for Q4 2020
Total value
$1.04B
No complete 13F data for Q4 2020

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 2021: 72 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 2021: $1.04B
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 2021

Shares, value and share of portfolio for each institution holding Annexon, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding ANNX in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Redmile Group, LLC3,458,830$96.3M1.36%––
Bain Capital Life Sciences Investors, LLC3,241,628$90.2M5.11%––
BlackRock Inc.2,898,321$80.7M0.00%––
Blackstone Group Inc.2,730,635$76.0M0.18%––
NEA Management Company, LLC2,497,661$69.5M1.57%––
FMR LLC2,347,113$65.3M0.01%––
Citadel Advisors LLC2,093,425$58.3M0.06%––
Federated Hermes, Inc.2,000,700$55.7M0.11%––
Eventide Asset Management, LLC2,004,616$54.7M0.81%––
Satter Management Co., L.P.1,954,978$54.4M24.08%––
Farallon Capital Management, L.L.C.1,455,846$40.5M0.21%––
Alliancebernstein L.P.1,447,155$40.3M0.02%––
Price T Rowe Associates Inc1,339,361$37.3M0.00%––
Pictet Asset Management Ltd1,010,056$28.1M0.03%––
Adage Capital Partners GP, L.L.C.1,009,830$28.1M0.06%––
Vanguard Group Inc842,291$23.4M0.00%––
State Street Corp758,092$21.1M0.00%––
Massachusetts Financial Services Co731,819$20.4M0.01%––
Deerfield Management Company, L.P. (Series C)583,913$16.3M0.34%––
Board of Trustees of The Leland Stanford Junior University482,550$13.4M1.19%––
Geode Capital Management, LLC362,134$10.1M0.00%––
Holocene Advisors, LP284,647$7.92M0.05%––
Northern Trust Corp257,360$7.17M0.00%––
Point72 Asset Management, L.P.248,494$6.92M0.04%––
Rhenman & Partners Asset Management AB180,000$5.01M0.35%––
Logos Global Management LP159,622$4.44M0.43%––
Goldman Sachs Group Inc133,189$3.71M0.00%––
Charles Schwab Investment Management Inc128,919$3.59M0.00%––
Nuveen Asset Management, LLC86,864$2.42M0.00%––
Bank of New York Mellon Corp78,470$2.18M0.00%––
Avidity Partners Management LP70,000$1.95M0.05%––
California State Teachers Retirement System40,226$1.12M0.00%––
TD Asset Management Inc37,273$1.04M0.00%––
Morgan Stanley34,945$973.0K0.00%––
Citigroup Inc31,512$877.0K0.00%––
California Public Employees Retirement System30,300$844.0K0.00%––
Swiss National Bank30,200$841.0K0.00%––
Maven Securities LTD28,938$758.0K0.07%––
Rhumbline Advisers25,396$707.0K0.00%––
Rafferty Asset Management, LLC23,802$663.0K0.00%––
State of Wisconsin Investment Board20,800$579.0K0.00%––
New York State Common Retirement Fund17,816$496.0K0.00%––
Deutsche Bank AG17,580$490.0K0.00%––
American International Group, Inc.15,543$433.0K0.00%––
Cna Financial Corp15,340$427.0K0.13%––
Manufacturers Life Insurance Company, The14,947$416.0K0.00%––
JPMorgan Chase & Co13,510$376.0K0.00%––
STRS Ohio12,900$359.0K0.00%––
ProShare Advisors LLC12,503$348.0K0.00%––
Virtus ETF Advisers LLC12,171$339.0K0.14%––
Victory Capital Management Inc11,900$331.0K0.00%––
Voya Investment Management LLC11,374$317.0K0.00%––
MetLife Investment Management10,674$297.2K0.00%––
DekaBank Deutsche Girozentrale12,000$297.0K0.00%––
Laurion Capital Management LP10,000$278.0K0.00%––
Credit Suisse AG9,613$267.0K0.00%––
Bank of America Corp9,324$260.0K0.00%––
Metropolitan Life Insurance Co7,801$217.2K0.00%––
HRT Financial LP7,538$209.0K0.00%––
SG Americas Securities, LLC5,536$154.0K0.00%––
Wells Fargo & Company3,923$109.0K0.00%––
Legal & General Group Plc3,332$93.0K0.00%––
Royal Bank of Canada2,216$62.0K0.00%––
Ameritas Investment Partners, Inc.2,169$60.0K0.00%––
Tower Research Capital LLC (TRC)1,371$38.0K0.00%––
Great West Life Assurance Co923$25.0K0.00%––
Penserra Capital Management LLC860$23.0K0.00%––
Bank of Montreal810$20.0K0.00%––
Pacer Advisors, Inc.558$16.0K0.00%––
State of Wyoming417$12.0K0.02%––
UBS Group AG364$10.0K0.00%––
Daiwa Securities Group Inc.72$2.00K0.00%––