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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.

Q1 2023 vs. Q4 2022

How the institutions holding Annexon, Inc. changed between Q4 2022 and Q1 2023.

All holders in Q1 2023All holders in Q4 2022

13F holders of ANNX: Q4 2022 compared with Q1 2023
MeasureQ4 2022Q1 2023Change
Holders84100+16
Shares48.3M53.8M+5.48M (+11.3%)
Value$243.3M$207.6M−$35.7M (−14.7%)

New holders (32)

Institutions that held Annexon, Inc. at the end of Q1 2023 but not at the end of Q4 2022.

Institutions new to ANNX in Q1 2023
InstitutionSharesValue% of portfolio
GMT Capital Corp1,408,697$5.42M0.21%
Cormorant Asset Management, LP1,250,000$4.81M0.32%
Octagon Capital Advisors LP1,190,000$4.58M0.66%
Artal Group S.A.1,018,303$3.92M0.23%
Polar Capital Holdings Plc1,000,000$3.85M0.03%
Soleus Capital Management, L.P.915,400$3.52M0.44%
Simplify Asset Management Inc.653,483$2.52M0.45%
Luminus Management LLC425,000$1.64M0.40%
Vontobel Holding Ltd.332,306$1.28M0.01%
Sectoral Asset Management Inc326,806$1.26M0.24%
Sphera Funds Management Ltd.250,000$962.5K0.21%
UBS Oconnor LLC166,907$642.6K0.02%
HRT Financial LP113,807$438.0K0.01%
Velan Capital Investment Management LP100,000$385.0K0.34%
Two Sigma Investments, LP96,924$373.2K0.00%
Squarepoint Ops LLC80,400$309.5K0.00%
Landscape Capital Management, L.L.C.66,773$257.1K0.03%
Connor, Clark & Lunn Investment Management Ltd.60,701$233.7K0.00%
Trexquant Investment LP45,505$175.2K0.00%
Algert Global LLC34,310$132.1K0.01%
Bailard, Inc.33,550$129.2K0.00%
LMR Partners LLP25,192$97.0K0.00%
Virtu Financial LLC20,135$78.0K0.01%
Caxton Associates LP14,113$54.3K0.01%
Prospera Financial Services Inc12,676$48.8K0.00%
Prelude Capital Management, LLC12,166$46.8K0.00%
Diametric Capital, LP12,091$46.5K0.02%
Parallax Volatility Advisers, L.P.11,609$44.7K0.00%
Point72 Middle East FZE5,794$22.3K0.00%
American Century Companies Inc10,067$22.2K0.00%
Group One Trading, L.P.2,027$7.80K0.00%
WealthPlan Investment Management, LLC561$2.16K0.00%

Sold out (16)

Institutions that held Annexon, Inc. at the end of Q4 2022 and filed for Q1 2023 without it.

Institutions that sold out of ANNX in Q1 2023
InstitutionShares, Q4 2022Value, Q4 2022
BVF Inc3,780,694$19.5M
Fairmount Funds Management LLC3,358,563$17.4M
Pura Vida Investments, LLC302,734$1.57M
Candriam Luxembourg S.C.A.164,558$850.7K
Gsa Capital Partners LLP161,360$834.0K
K2 Principal Fund, L.P.145,564$752.6K
Bank of Montreal65,380$365.0K
Invesco Ltd.50,263$259.9K
State of Wisconsin Investment Board26,800$138.6K
Balyasny Asset Management LLC21,605$111.7K
EWG Elevate Inc.15,000$77.5K
Mirabella Financial Services LLP11,836$61.2K
Belvedere Trading LLC8,301$42.9K
UBS Group AG4,100$21.2K
Freedom Wealth Alliance, LLC3,889$20.1K
Ellevest, Inc.405$2.09K