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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, Q2 2023

Institutional positions in Annexon, Inc. as of Jun 30, 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
95
−5 vs. Q1 2023
Shares held
54.1M
+308.2K (+0.6%) vs. Q1 2023
Total value
$190.0M
−$17.6M (−8.5%) vs. Q1 2023
New holders
27
38 more added
Sold out
32
18 more reduced

Compare with Q1 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 holdersQ2 2023: 95 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 heldQ2 2023: $190.0M
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, Q2 2023

Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q1 2023.

Institutions holding ANNX in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Marshall Wace, LLP0$00.00%−464,819−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−461,284−100.0%Sold out
Luminus Management LLC0$00.00%−425,000−100.0%Sold out
Sphera Funds Management Ltd.0$00.00%−250,000−100.0%Sold out
Man Group plc0$00.00%–Sold out
Qube Research & Technologies Ltd0$00.00%−130,377−100.0%Sold out
HRT Financial LP0$00.00%−113,807−100.0%Sold out
Squarepoint Ops LLC0$00.00%−80,400−100.0%Sold out
Landscape Capital Management, L.L.C.0$00.00%−66,773−100.0%Sold out
Trexquant Investment LP0$00.00%−45,505−100.0%Sold out
Bailard, Inc.0$00.00%−33,550−100.0%Sold out
Jump Financial, LLC0$00.00%−31,366−100.0%Sold out
683 Capital Management, LLC0$00.00%−31,000−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−27,136−100.0%Sold out
LMR Partners LLP0$00.00%−25,192−100.0%Sold out
Virtu Financial LLC0$00.00%−20,135−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−16,274−100.0%Sold out
Caxton Associates LP0$00.00%−14,113−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−12,166−100.0%Sold out
Diametric Capital, LP0$00.00%−12,091−100.0%Sold out
Parallax Volatility Advisers, L.P.0$00.00%−11,609−100.0%Sold out
Lighthouse Investment Partners, LLC0$00.00%−11,250−100.0%Sold out
PDT Partners, LLC0$00.00%−10,140−100.0%Sold out
Point72 Middle East FZE0$00.00%−5,794−100.0%Sold out
Quantbot Technologies LP0$00.00%−800−100.0%Sold out
WealthPlan Investment Management, LLC0$00.00%−561−100.0%Sold out
Capital Advisors, Ltd. LLC0$00.00%−381−100.0%Sold out