Skip to main content
Livermore
Livermore
ZHEN

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.

Q2 2026 vs. Q1 2026

How the institutions holding Annexon, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of ANNX: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders2174216+3
Shares155.9M99.9K178.4M+22.5M (+14.4%)
Value$863.7M$553.5K$1.02B+$155.2M (+18.0%)

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (31)

Institutions that held Annexon, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to ANNX in Q2 2026
InstitutionSharesValue% of portfolio
MPM Oncology Impact Management LP3,544,354$20.2M1.23%
Logos Global Management LP1,500,000$8.56M0.37%
Candriam Luxembourg S.C.A.1,195,142$6.82M0.03%
Panagora Asset Management Inc967,926$5.53M0.02%
Arrowstreet Capital, Limited Partnership737,935$4.21M0.00%
Moore Capital Management, LP425,332$2.43M0.06%
Jump Financial, LLC297,800$1.70M0.02%
Jain Global LLC64,719$369.5K0.00%
Diversified Trust Co61,797$352.9K0.01%
Jupiter Topco LLC59,100$338.3K0.00%
Virginia Retirement Systems Et Al54,300$310.1K0.00%
Jupiter Asset Management Ltd46,074$263.1K0.00%
Universal- Beteiligungs- und Servicegesellschaft mbH44,706$255.3K0.00%
SG Americas Securities, LLC42,823$245.0K0.00%
Blueshift Asset Management, LLC33,338$190.4K0.04%
Bridgefront Capital, LLC28,528$162.9K0.04%
Crown Wealth Group, LLC23,763$135.7K0.03%
Susquehanna Fundamental Investments, LLC21,010$120.0K0.00%
State of Wyoming19,479$111.2K0.01%
DLD Asset Management, LP15,000$85.7K0.01%
Private Advisor Group, LLC14,020$80.1K0.00%
Quantinno Capital Management LP12,263$70.0K0.00%
Principal Financial Group Inc11,876$67.8K0.00%
Group One Trading, L.P.10,087$57.6K0.00%
Fulcrum Asset Management LLP10,070$56.1K0.01%
Pacer Advisors, Inc.2,894$17.0K0.00%
Burnham & Co LLC1,000$5.71K0.00%
Global Retirement Partners, LLC181$1.03K0.00%
National Bank of Canada67$3830.00%
Clearstead Advisors, LLC15$860.00%
Silver Grove Financial Group, Inc.1$60.00%

Sold out (28)

Institutions that held Annexon, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of ANNX in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Longaeva Partners L.P.620,401$3.44M
Silverarc Capital Management, LLC496,461$2.75M
Rosalind Advisors, Inc.200,000$1.11M
Algert Global LLC154,840$857.8K
Man Group plc109,222$605.1K
Connor, Clark & Lunn Investment Management Ltd.92,707$513.6K
Polen Capital Management LLC70,152$388.6K
Axq Capital, LP58,185$322.3K
ADAR1 Capital Management, LLC55,000$304.7K
BIT Capital GmbH50,000$277.0K
Jane Street Group, LLC47,120$261.0K
Mirabella Financial Services LLP28,739$159.2K
Virtu Financial LLC28,450$158.0K
TD Asset Management Inc22,760$126.1K
Scientech Research LLC17,316$95.9K
ExodusPoint Capital Management, LP14,938$82.8K
Vontobel Holding Ltd.14,511$80.4K
Magnetar Financial LLC14,205$78.7K
American Century Companies Inc12,463$69.0K
nVerses Capital, LLC11,897$65.9K
Abel Hall, LLC10,921$60.5K
Integrated Wealth Concepts LLC10,232$56.7K
MAI Capital Management795$4.41K
Federated Hermes, Inc.753$4.17K
Root Financial Partners, LLC94$521
US Bancorp77$427
Advisory Services Network, LLC23$127
JPL Wealth Management, LLC13$73

Not filed for Q2 2026 yet (4)

Institutions that held Annexon, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ANNX in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Janus Henderson Group PLC59,100$327.7K
CWM, LLC39,652$219.7K
Trask Adam Roland1,000$5.54K
Sunbelt Securities, Inc.110$609