Skip to main content

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
Satter Management Co., L.P.7,056,024$24.8M32.31%00.0%Unchanged
Bain Capital Life Sciences Investors, LLC5,701,926$20.1M2.07%+815,310+16.7%Added
Redmile Group, LLC3,503,190$12.3M0.47%00.0%Unchanged
Logos Global Management LP3,500,000$12.3M1.70%+3,500,000New
BlackRock Inc.3,479,896$12.2M0.00%+2,318,780+199.7%Added
Federated Hermes, Inc.3,057,800$10.8M0.03%00.0%Unchanged
GMT Capital Corp2,464,571$8.68M0.33%+1,055,874+75.0%Added
Adage Capital Partners GP, L.L.C.2,349,975$8.27M0.02%−1,200,000−33.8%Reduced
Pictet Asset Management SA1,879,575$6.62M0.01%+646,862+52.5%Added
Vanguard Group Inc1,749,770$6.16M0.00%+179,799+11.5%Added
Octagon Capital Advisors LP1,660,000$5.84M0.82%+470,000+39.5%Added
FMR LLC1,405,278$4.95M0.00%+1,404,108+120,009.2%Added
Blackstone Group Inc.910,494$3.20M0.01%+2830.0%Added
Geode Capital Management, LLC883,510$3.11M0.00%+496,427+128.2%Added
Acadian Asset Management LLC820,566$2.89M0.01%+15,287+1.9%Added
State Street Corp794,244$2.80M0.00%+638,445+409.8%Added
Massachusetts Financial Services Co775,854$2.73M0.00%−8,176−1.0%Reduced
Citadel Advisors LLC732,640$2.58M0.00%−1,680,477−69.6%Reduced
Woodline Partners LP704,623$2.48M0.03%+156,149+28.5%Added
Vontobel Holding Ltd.674,629$2.37M0.02%+342,323+103.0%Added
Sectoral Asset Management Inc674,629$2.37M0.40%+347,823+106.4%Added
Simplify Asset Management Inc.653,483$2.30M0.42%00.0%Unchanged
Soleus Capital Management, L.P.620,400$2.18M0.24%−295,000−32.2%Reduced
Millennium Management LLC617,833$2.17M0.00%−746,510−54.7%Reduced
Driehaus Capital Management LLC752,518$2.10M0.03%−338,468−31.0%Reduced
Deerfield Management Company, L.P. (Series C)583,913$2.06M0.04%00.0%Unchanged
Board of Trustees of The Leland Stanford Junior University482,550$1.70M0.17%00.0%Unchanged
Velan Capital Investment Management LP459,746$1.62M1.52%+359,746+359.7%Added
UBS Oconnor LLC425,556$1.50M0.03%+258,649+155.0%Added
Renaissance Technologies LLC422,200$1.49M0.00%+65,100+18.2%Added
Silverarc Capital Management, LLC389,911$1.37M0.46%+389,911New
Northern Trust Corp379,200$1.33M0.00%+298,491+369.8%Added
ExodusPoint Capital Management, LP339,097$1.19M0.01%+119,989+54.8%Added
Two Sigma Advisers, LP250,100$880.4K0.00%+147,100+142.8%Added
Two Sigma Investments, LP238,301$838.8K0.00%+141,377+145.9%Added
Susquehanna International Group, LLP195,098$686.7K0.00%−29,401−13.1%Reduced
Nuveen Asset Management, LLC188,136$662.2K0.00%+188,136New
Jane Street Group, LLC156,149$549.6K0.00%−4,321−2.7%Reduced
Bank of New York Mellon Corp154,277$543.1K0.00%+116,610+309.6%Added
Connor, Clark & Lunn Investment Management Ltd.141,723$498.9K0.00%+81,022+133.5%Added
Gsa Capital Partners LLP130,042$458.0K0.05%+130,042New
Deutsche Bank AG126,812$446.4K0.00%00.0%Unchanged
Charles Schwab Investment Management Inc123,668$435.3K0.00%+104,336+539.7%Added
Morgan Stanley107,337$377.8K0.00%−30,767−22.3%Reduced
Occudo Quantitative Strategies LP99,692$350.9K0.04%+99,692New
Bridgeway Capital Management, LLC92,500$325.6K0.01%+92,500New
Goldman Sachs Group Inc87,406$307.7K0.00%−248,710−74.0%Reduced
Cubist Systematic Strategies, LLC79,323$279.2K0.00%−9,375−10.6%Reduced
DnB Asset Management AS59,534$209.6K0.00%+59,534New
Dimensional Fund Advisors LP58,506$205.9K0.00%−200.0%Reduced
Rhumbline Advisers55,030$193.7K0.00%+55,030New
Ergoteles LLC51,300$180.6K0.01%+51,300New
Simplex Trading, LLC50,020$176.0K0.01%+40,002+399.3%Added
Cornercap Investment Counsel Inc47,261$166.4K0.03%+2,204+4.9%Added
Bank of America Corp47,103$165.8K0.00%+3,360+7.7%Added
Group One Trading, L.P.47,004$165.5K0.01%+44,977+2,218.9%Added
Alliancebernstein L.P.40,620$143.0K0.00%+40,620New
Barclays PLC38,724$136.3K0.00%−29,303−43.1%Reduced
Algert Global LLC38,660$136.1K0.01%+4,350+12.7%Added
JPMorgan Chase & Co38,141$134.3K0.00%+36,423+2,120.1%Added
New York State Common Retirement Fund27,700$97.5K0.00%+27,700New
Mirae Asset Global Investments Co., Ltd.27,695$97.5K0.00%+27,695New
UBS Group AG26,931$94.8K0.00%+26,931New
Forefront Analytics, LLC26,790$94.3K0.05%+11,539+75.7%Added
Kestra Advisory Services, LLC25,000$88.0K0.00%+10,000+66.7%Added
MetLife Investment Management24,368$85.8K0.00%+24,368New
Schonfeld Strategic Advisors LLC22,500$79.2K0.00%+10,589+88.9%Added
American International Group, Inc.21,968$77.3K0.00%+21,968New
Bayesian Capital Management, LP21,230$74.7K0.01%+21,230New
Manufacturers Life Insurance Company, The20,021$70.5K0.00%+20,021New
Nomura Holdings Inc20,000$70.4K0.00%+20,000New
American Century Companies Inc19,128$67.3K0.00%+9,061+90.0%Added
Voya Investment Management LLC18,772$66.1K0.00%+18,772New
Invesco Ltd.18,462$65.0K0.00%+18,462New
Wells Fargo & Company17,381$61.2K0.00%+17,104+6,174.7%Added
Coastal Bridge Advisors, LLC17,000$59.8K0.01%00.0%Unchanged
Graham Capital Management, L.P.16,841$59.3K0.00%+16,841New
California State Teachers Retirement System15,183$53.4K0.00%+15,183New
Citigroup Inc14,917$52.5K0.00%−68,157−82.0%Reduced
Values First Advisors, Inc.12,309$43.3K0.03%−5,887−32.4%Reduced
Prospera Financial Services Inc11,078$39.0K0.00%−1,598−12.6%Reduced
Cambridge Investment Research Advisors, Inc.10,000$35.0K0.00%00.0%Unchanged
Belvedere Trading LLC9,373$33.0K0.01%+9,373New
Advisor Group Holdings, Inc.5,791$20.4K0.00%00.0%Unchanged
Royal Bank of Canada4,773$17.0K0.00%+4,764+52,933.3%Added
Amalgamated Bank4,439$16.0K0.00%+4,439New
Legal & General Group Plc4,372$15.4K0.00%+4,372New
Tower Research Capital LLC (TRC)3,858$13.6K0.00%−4,134−51.7%Reduced
Ameritas Investment Partners, Inc.3,769$13.3K0.00%+3,769New
Metropolitan Life Insurance Co2,525$8.89K0.00%+2,525New
The PNC Financial Services Group, Inc.1,390$4.89K0.00%+1,078+345.5%Added
China Universal Asset Management Co., Ltd.695$2.45K0.00%+49+7.6%Added
Red Tortoise LLC583$2.05K0.00%−146−20.0%Reduced
HighMark Wealth Management LLC300$1.06K0.00%00.0%Unchanged
Daiwa Securities Group Inc.131$00.00%00.0%Unchanged
VR Adviser, LLC0$00.00%−3,220,050−100.0%Sold out
Eventide Asset Management, LLC0$00.00%−1,867,250−100.0%Sold out
Cormorant Asset Management, LP0$00.00%−1,250,000−100.0%Sold out
Artal Group S.A.0$00.00%−1,018,303−100.0%Sold out
Polar Capital Holdings Plc0$00.00%−1,000,000−100.0%Sold out