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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 2023

Institutional positions in Annexon, Inc. as of Mar 31, 2023. 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
100
+16 vs. Q4 2022
Shares held
53.8M
+5.48M (+11.3%) vs. Q4 2022
Total value
$207.6M
−$35.7M (−14.7%) vs. Q4 2022
New holders
32
30 more added
Sold out
16
15 more reduced

Compare with Q4 2022: 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 2023: 100 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 2023: $207.6M
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 2023

Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q4 2022.

Institutions holding ANNX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BVF Inc0$00.00%−3,780,694−100.0%Sold out
Fairmount Funds Management LLC0$00.00%−3,358,563−100.0%Sold out
Pura Vida Investments, LLC0$00.00%−302,734−100.0%Sold out
Candriam Luxembourg S.C.A.0$00.00%−164,558−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−161,360−100.0%Sold out
K2 Principal Fund, L.P.0$00.00%−145,564−100.0%Sold out
Bank of Montreal0$00.00%−65,380−100.0%Sold out
Invesco Ltd.0$00.00%−50,263−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−26,800−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−21,605−100.0%Sold out
EWG Elevate Inc.0$00.00%−15,000−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−11,836−100.0%Sold out
Belvedere Trading LLC0$00.00%−8,301−100.0%Sold out
UBS Group AG0$00.00%−4,100−100.0%Sold out
Freedom Wealth Alliance, LLC0$00.00%−3,889−100.0%Sold out
Ellevest, Inc.0$00.00%−405−100.0%Sold out