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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
Royal Bank of Canada9$00.00%00.0%Unchanged
Capital Advisors, Ltd. LLC381$1.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.131$1.00K0.00%00.0%Unchanged
Wells Fargo & Company277$1.07K0.00%+5+1.8%Added
HighMark Wealth Management LLC300$1.16K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.312$1.20K0.00%00.0%Unchanged
WealthPlan Investment Management, LLC561$2.16K0.00%+561New
China Universal Asset Management Co., Ltd.646$2.49K0.00%+162+33.5%Added
Red Tortoise LLC729$2.81K0.00%00.0%Unchanged
Quantbot Technologies LP800$3.08K0.00%−200−20.0%Reduced
FMR LLC1,170$4.50K0.00%−2−0.2%Reduced
JPMorgan Chase & Co1,718$7.00K0.00%−30,004−94.6%Reduced
Group One Trading, L.P.2,027$7.80K0.00%+2,027New
American Century Companies Inc10,067$22.2K0.00%+10,067New
Advisor Group Holdings, Inc.5,791$22.3K0.00%00.0%Unchanged
Point72 Middle East FZE5,794$22.3K0.00%+5,794New
Tower Research Capital LLC (TRC)7,992$31.0K0.00%+1,903+31.3%Added
Simplex Trading, LLC10,018$38.0K0.00%−34,742−77.6%Reduced
Cambridge Investment Research Advisors, Inc.10,000$39.0K0.00%00.0%Unchanged
PDT Partners, LLC10,140$39.0K0.01%−1,652−14.0%Reduced
Lighthouse Investment Partners, LLC11,250$43.3K0.00%−5,310−32.1%Reduced
Parallax Volatility Advisers, L.P.11,609$44.7K0.00%+11,609New
Schonfeld Strategic Advisors LLC11,911$45.9K0.00%−4,766−28.6%Reduced
Diametric Capital, LP12,091$46.5K0.02%+12,091New
Prelude Capital Management, LLC12,166$46.8K0.00%+12,166New
Prospera Financial Services Inc12,676$48.8K0.00%+12,676New
Caxton Associates LP14,113$54.3K0.01%+14,113New
Kestra Advisory Services, LLC15,000$57.8K0.00%00.0%Unchanged
Forefront Analytics, LLC15,251$58.7K0.03%−205−1.3%Reduced
Boothbay Fund Management, LLC16,274$62.7K0.00%+831+5.4%Added
Coastal Bridge Advisors, LLC17,000$65.5K0.02%00.0%Unchanged
Values First Advisors, Inc.18,196$70.1K0.04%+997+5.8%Added
Charles Schwab Investment Management Inc19,332$74.4K0.00%00.0%Unchanged
Virtu Financial LLC20,135$78.0K0.01%+20,135New
LMR Partners LLP25,192$97.0K0.00%+25,192New
D. E. Shaw & Co., Inc.27,136$104.5K0.00%−51,373−65.4%Reduced
683 Capital Management, LLC31,000$119.3K0.01%−1,658−5.1%Reduced
Jump Financial, LLC31,366$120.8K0.00%+19,246+158.8%Added
Bailard, Inc.33,550$129.2K0.00%+33,550New
Algert Global LLC34,310$132.1K0.01%+34,310New
Bank of New York Mellon Corp37,667$145.0K0.00%00.0%Unchanged
Bank of America Corp43,743$168.4K0.00%+34,805+389.4%Added
Cornercap Investment Counsel Inc45,057$173.5K0.03%+542+1.2%Added
Trexquant Investment LP45,505$175.2K0.00%+45,505New
Dimensional Fund Advisors LP58,526$225.3K0.00%+1,370+2.4%Added
Connor, Clark & Lunn Investment Management Ltd.60,701$233.7K0.00%+60,701New
Landscape Capital Management, L.L.C.66,773$257.1K0.03%+66,773New
Barclays PLC68,027$261.9K0.00%+34,661+103.9%Added
Squarepoint Ops LLC80,400$309.5K0.00%+80,400New
Northern Trust Corp80,709$310.7K0.00%−126−0.2%Reduced
Citigroup Inc83,074$319.8K0.00%+2,565+3.2%Added
Cubist Systematic Strategies, LLC88,698$341.5K0.00%+74,930+544.2%Added
Two Sigma Investments, LP96,924$373.2K0.00%+96,924New
Velan Capital Investment Management LP100,000$385.0K0.34%+100,000New
Two Sigma Advisers, LP103,000$396.6K0.00%+9,800+10.5%Added
HRT Financial LP113,807$438.0K0.01%+113,807New
Deutsche Bank AG126,812$488.2K0.00%00.0%Unchanged
Qube Research & Technologies Ltd130,377$502.0K0.00%+82,268+171.0%Added
Morgan Stanley138,104$531.7K0.00%+53,133+62.5%Added
Man Group plc–$562.2K0.00%––
State Street Corp155,799$599.8K0.00%+32,300+26.2%Added
Jane Street Group, LLC160,470$617.8K0.00%+136,859+579.6%Added
UBS Oconnor LLC166,907$642.6K0.02%+166,907New
ExodusPoint Capital Management, LP219,108$844.0K0.01%+81,059+58.7%Added
Susquehanna International Group, LLP224,499$864.3K0.00%+120,141+115.1%Added
Sphera Funds Management Ltd.250,000$962.5K0.21%+250,000New
Sectoral Asset Management Inc326,806$1.26M0.24%+326,806New
Vontobel Holding Ltd.332,306$1.28M0.01%+332,306New
Goldman Sachs Group Inc336,116$1.29M0.00%+282,238+523.8%Added
Renaissance Technologies LLC357,100$1.38M0.00%+47,000+15.2%Added
Geode Capital Management, LLC387,083$1.49M0.00%+15,016+4.0%Added
Luminus Management LLC425,000$1.64M0.40%+425,000New
Point72 Asset Management, L.P.461,284$1.78M0.01%−288,716−38.5%Reduced
Marshall Wace, LLP464,819$1.79M0.00%+435,963+1,510.8%Added
Board of Trustees of The Leland Stanford Junior University482,550$1.86M0.17%00.0%Unchanged
Woodline Partners LP548,474$2.11M0.03%+372,824+212.3%Added
Deerfield Management Company, L.P. (Series C)583,913$2.25M0.05%00.0%Unchanged
Simplify Asset Management Inc.653,483$2.52M0.45%+653,483New
Massachusetts Financial Services Co784,030$3.02M0.00%−665−0.1%Reduced
Acadian Asset Management LLC805,279$3.10M0.01%+408,467+102.9%Added
Blackstone Group Inc.910,211$3.50M0.01%00.0%Unchanged
Soleus Capital Management, L.P.915,400$3.52M0.44%+915,400New
Polar Capital Holdings Plc1,000,000$3.85M0.03%+1,000,000New
Artal Group S.A.1,018,303$3.92M0.23%+1,018,303New
Driehaus Capital Management LLC1,090,986$4.06M0.06%−200,586−15.5%Reduced
BlackRock Inc.1,161,116$4.47M0.00%+840+0.1%Added
Octagon Capital Advisors LP1,190,000$4.58M0.66%+1,190,000New
Pictet Asset Management SA1,232,713$4.75M0.01%00.0%Unchanged
Cormorant Asset Management, LP1,250,000$4.81M0.32%+1,250,000New
Millennium Management LLC1,364,343$5.25M0.01%+837,812+159.1%Added
GMT Capital Corp1,408,697$5.42M0.21%+1,408,697New
Vanguard Group Inc1,569,971$6.04M0.00%+21,100+1.4%Added
Eventide Asset Management, LLC1,867,250$7.19M0.13%−1,759,258−48.5%Reduced
Citadel Advisors LLC2,413,117$9.29M0.01%+546,334+29.3%Added
Federated Hermes, Inc.3,057,800$11.8M0.03%00.0%Unchanged
VR Adviser, LLC3,220,050$12.4M2.42%00.0%Unchanged
Redmile Group, LLC3,503,190$13.5M0.59%00.0%Unchanged
Adage Capital Partners GP, L.L.C.3,549,975$13.7M0.03%00.0%Unchanged
Bain Capital Life Sciences Investors, LLC4,886,616$18.8M2.35%00.0%Unchanged
Satter Management Co., L.P.7,056,024$27.2M35.90%+2,647,058+60.0%Added