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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 2022

Institutional positions in Annexon, Inc. as of Mar 31, 2022. 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
+3 vs. Q4 2021
Shares held
38.7M
−37.3K (−0.1%) vs. Q4 2021
Total value
$105.9M
−$339.8M (−76.2%) vs. Q4 2021
New holders
24
34 more added
Sold out
21
24 more reduced

Compare with Q4 2021: 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 2022: 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 2022: $105.9M
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 2022

Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q4 2021.

Institutions holding ANNX in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Eventide Asset Management, LLC3,626,508$9.90M0.16%+776,508+27.2%Added
Bain Capital Life Sciences Investors, LLC3,241,628$8.85M0.86%00.0%Unchanged
Redmile Group, LLC3,202,917$8.74M0.27%−26,000−0.8%Reduced
Federated Hermes, Inc.3,052,651$8.33M0.02%+1,027,051+50.7%Added
BlackRock Inc.2,569,897$7.02M0.00%−44,694−1.7%Reduced
Alliancebernstein L.P.2,483,650$6.78M0.00%+393,295+18.8%Added
Pictet Asset Management SA2,229,555$6.09M0.01%+70,871+3.3%Added
Satter Management Co., L.P.1,954,978$5.34M9.04%00.0%Unchanged
Citadel Advisors LLC1,740,970$4.75M0.01%+263,348+17.8%Added
Price T Rowe Associates Inc1,324,733$3.62M0.00%−1,551,934−53.9%Reduced
Fairmount Funds Management LLC1,249,143$3.41M0.81%+1,249,143New
Vanguard Group Inc1,095,032$2.99M0.00%+19,722+1.8%Added
Adage Capital Partners GP, L.L.C.959,830$2.62M0.00%00.0%Unchanged
Blackstone Group Inc.910,211$2.48M0.01%00.0%Unchanged
Massachusetts Financial Services Co735,304$2.01M0.00%+20,523+2.9%Added
Renaissance Technologies LLC596,529$1.63M0.00%+495,629+491.2%Added
Deerfield Management Company, L.P. (Series C)583,913$1.59M0.04%00.0%Unchanged
State Street Corp556,144$1.52M0.00%−738,038−57.0%Reduced
Geode Capital Management, LLC514,431$1.40M0.00%+34,223+7.1%Added
Board of Trustees of The Leland Stanford Junior University482,550$1.32M0.07%00.0%Unchanged
Millennium Management LLC411,968$1.13M0.00%+57,198+16.1%Added
Goldman Sachs Group Inc328,001$896.0K0.00%+165,336+101.6%Added
Two Sigma Investments, LP303,619$829.0K0.00%+248,061+446.5%Added
Northern Trust Corp272,597$744.0K0.00%−21,589−7.3%Reduced
Morgan Stanley268,322$732.0K0.00%−31,975−10.6%Reduced
Farallon Capital Management, L.L.C.255,705$698.0K0.00%−202,059−44.1%Reduced
Rhenman & Partners Asset Management AB250,000$683.0K0.07%00.0%Unchanged
Walleye Capital LLC245,254$670.0K0.02%+192,727+366.9%Added
Alyeska Investment Group, L.P.210,000$573.0K0.01%+10,000+5.0%Added
Nuveen Asset Management, LLC166,803$570.0K0.00%+56,395+51.1%Added
Charles Schwab Investment Management Inc188,717$516.0K0.00%−6,235−3.2%Reduced
D. E. Shaw & Co., Inc.163,379$446.0K0.00%+163,379New
State of Wisconsin Investment Board147,200$402.0K0.00%+106,900+265.3%Added
Deutsche Bank AG143,736$392.0K0.00%+124,792+658.7%Added
Acadian Asset Management LLC142,893$388.0K0.00%+142,893New
HRT Financial LP128,175$349.0K0.00%+114,042+806.9%Added
Two Sigma Advisers, LP125,100$342.0K0.00%+125,100New
Jacobs Levy Equity Management, Inc116,867$319.0K0.00%+116,867New
PDT Partners, LLC106,479$291.0K0.03%+94,064+757.7%Added
Bank of New York Mellon Corp99,041$270.0K0.00%−2,239−2.2%Reduced
JPMorgan Chase & Co91,090$249.0K0.00%+17,550+23.9%Added
Schroder Investment Management Group84,493$236.0K0.00%00.0%Unchanged
Cubist Systematic Strategies, LLC82,839$226.0K0.00%+50,573+156.7%Added
FMR LLC79,124$216.0K0.00%−1,260,903−94.1%Reduced
Occudo Quantitative Strategies LP75,797$207.0K0.02%+75,797New
AQR Capital Management LLC58,881$161.0K0.00%+58,881New
Swiss National Bank54,500$149.0K0.00%+3,900+7.7%Added
Schonfeld Strategic Advisors LLC54,700$149.0K0.00%+54,700New
Bank of America Corp53,588$146.0K0.00%−42,759−44.4%Reduced
Invesco Ltd.53,594$146.0K0.00%+42,433+380.2%Added
Manufacturers Life Insurance Company, The43,459$120.7K0.00%+26,142+151.0%Added
TD Asset Management Inc42,908$117.0K0.00%−43,165−50.1%Reduced
Alps Advisors Inc39,788$109.0K0.00%−4,621−10.4%Reduced
Gsa Capital Partners LLP39,644$108.0K0.01%+39,644New
Rhumbline Advisers38,917$106.0K0.00%+1,142+3.0%Added
Jump Financial, LLC36,900$101.0K0.00%−3,497−8.7%Reduced
XTX Topco Ltd36,742$100.0K0.04%+36,742New
Squarepoint Ops LLC34,483$94.0K0.00%+23,030+201.1%Added
California State Teachers Retirement System32,890$90.0K0.00%−3,377−9.3%Reduced
Trexquant Investment LP31,367$86.0K0.00%−4,973−13.7%Reduced
Susquehanna International Group, LLP31,160$85.0K0.00%−14,310−31.5%Reduced
DAFNA Capital Management LLC30,796$84.0K0.02%00.0%Unchanged
Dimensional Fund Advisors LP28,669$78.0K0.00%00.0%Unchanged
Marshall Wace, LLP28,172$77.0K0.00%+21,912+350.0%Added
Cna Financial Corp23,423$64.0K0.02%+3,713+18.8%Added
Forefront Analytics, LLC22,285$63.0K0.02%+22,285New
New York State Common Retirement Fund22,019$60.0K0.00%+37+0.2%Added
Credit Suisse AG21,348$58.0K0.00%+6,819+46.9%Added
UBS Asset Management Americas Inc19,529$53.3K0.00%+19,529New
ExodusPoint Capital Management, LP18,382$50.0K0.00%+18,382New
Coastal Bridge Advisors, LLC17,000$46.0K0.01%00.0%Unchanged
Jane Street Group, LLC16,786$46.0K0.00%+16,786New
American International Group, Inc.15,480$42.0K0.00%−1,090−6.6%Reduced
Dynamic Technology Lab Private Ltd14,921$41.0K0.00%+14,921New
Kestra Advisory Services, LLC15,000$41.0K0.00%+15,000New
NinePointTwo Capital12,717$34.0K0.01%+12,717New
Voya Investment Management LLC12,269$33.0K0.00%00.0%Unchanged
Barclays PLC12,205$33.0K0.00%+12,205New
Values First Advisors, Inc.11,937$33.0K0.02%+11,937New
Virtus ETF Advisers LLC11,398$31.0K0.01%−680−5.6%Reduced
Parametric Portfolio Associates LLC11,306$31.0K0.00%+11,306New
Citigroup Inc10,357$28.0K0.00%−53,458−83.8%Reduced
Victory Capital Management Inc10,455$27.0K0.00%+66+0.6%Added
Quantbot Technologies LP9,500$25.0K0.00%+8,200+630.8%Added
Ensign Peak Advisors, Inc8,370$23.0K0.00%00.0%Unchanged
Prospera Financial Services Inc8,309$23.0K0.00%+8,309New
Legal & General Group Plc7,422$21.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)6,608$18.0K0.00%+2,754+71.5%Added
Amalgamated Bank3,770$10.0K0.00%+3,770New
Amalgamated Financial Corp.3,770$10.0K0.00%+3,770New
Point72 Hong Kong Ltd3,347$9.00K0.00%+3,159+1,680.3%Added
Wells Fargo & Company2,839$8.00K0.00%−11,183−79.8%Reduced
Ameritas Investment Partners, Inc.2,169$6.00K0.00%00.0%Unchanged
Royal Bank of Canada1,915$5.00K0.00%−4,059−67.9%Reduced
HighMark Wealth Management LLC1,300$4.00K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.791$3.00K0.00%−300−27.5%Reduced
Great West Life Assurance Co923$3.00K0.00%00.0%Unchanged
Toronto Dominion Bank192$1.00K0.00%+192New
Simplex Trading, LLC207$00.00%−7,188−97.2%Reduced
Daiwa Securities Group Inc.131$00.00%00.0%Unchanged