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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, Q2 2021

Institutional positions in Annexon, Inc. as of Jun 30, 2021. 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
74
+2 vs. Q1 2021
Shares held
38.9M
+1.43M (+3.8%) vs. Q1 2021
Total value
$873.7M
−$167.1M (−16.1%) vs. Q1 2021
New holders
13
33 more added
Sold out
11
14 more reduced

Compare with Q1 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 holdersQ2 2021: 74 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 2021: $873.7M
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 2021

Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q1 2021.

Institutions holding ANNX in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Redmile Group, LLC3,425,038$77.1M1.14%−33,792−1.0%Reduced
Bain Capital Life Sciences Investors, LLC3,241,628$73.0M4.78%00.0%Unchanged
BlackRock Inc.3,135,818$70.6M0.00%+237,497+8.2%Added
Blackstone Group Inc.2,730,635$61.5M0.14%00.0%Unchanged
NEA Management Company, LLC2,497,661$56.2M0.73%00.0%Unchanged
Eventide Asset Management, LLC2,409,166$53.3M0.72%+404,550+20.2%Added
Federated Hermes, Inc.2,000,700$45.0M0.08%00.0%Unchanged
Citadel Advisors LLC1,995,403$44.9M0.05%−98,022−4.7%Reduced
FMR LLC1,980,247$44.6M0.00%−366,866−15.6%Reduced
Satter Management Co., L.P.1,954,978$44.0M23.89%00.0%Unchanged
Alliancebernstein L.P.1,597,523$36.0M0.01%+150,368+10.4%Added
Farallon Capital Management, L.L.C.1,358,107$30.6M0.15%−97,739−6.7%Reduced
Price T Rowe Associates Inc1,310,484$29.5M0.00%−28,877−2.2%Reduced
Pictet Asset Management Ltd1,042,731$23.5M0.03%+32,675+3.2%Added
Adage Capital Partners GP, L.L.C.959,830$21.6M0.04%−50,000−5.0%Reduced
State Street Corp936,670$21.1M0.00%+178,578+23.6%Added
Vanguard Group Inc902,937$20.3M0.00%+60,646+7.2%Added
Massachusetts Financial Services Co729,713$16.4M0.00%−2,106−0.3%Reduced
Deerfield Management Company, L.P. (Series C)583,913$13.1M0.23%00.0%Unchanged
Janus Henderson Group PLC581,747$13.1M0.01%+581,747New
Board of Trustees of The Leland Stanford Junior University482,550$10.9M1.01%00.0%Unchanged
Geode Capital Management, LLC405,732$9.13M0.00%+43,598+12.0%Added
Point72 Asset Management, L.P.351,112$7.90M0.04%+102,618+41.3%Added
Northern Trust Corp293,908$6.62M0.00%+36,548+14.2%Added
Rhenman & Partners Asset Management AB250,000$5.63M0.38%+70,000+38.9%Added
First Light Asset Management, LLC206,077$4.64M0.28%+206,077New
Logos Global Management LP159,622$3.59M0.31%00.0%Unchanged
Sphera Funds Management Ltd.148,318$3.34M0.32%+148,318New
Charles Schwab Investment Management Inc140,865$3.17M0.00%+11,946+9.3%Added
Nuveen Asset Management, LLC125,048$2.81M0.00%+38,184+44.0%Added
Alyeska Investment Group, L.P.102,593$2.31M0.03%+102,593New
Morgan Stanley96,654$2.17M0.00%+61,709+176.6%Added
Bank of New York Mellon Corp94,385$2.13M0.00%+15,915+20.3%Added
Alps Advisors Inc50,389$1.13M0.01%+50,389New
Citigroup Inc45,805$1.03M0.00%+14,293+45.4%Added
California State Teachers Retirement System42,999$968.0K0.00%+2,773+6.9%Added
Rhumbline Advisers36,806$829.0K0.00%+11,410+44.9%Added
TD Asset Management Inc37,273$785.0K0.00%00.0%Unchanged
State of Wisconsin Investment Board33,689$758.0K0.00%+12,889+62.0%Added
Swiss National Bank33,600$756.0K0.00%+3,400+11.3%Added
New York State Common Retirement Fund28,947$652.0K0.00%+11,131+62.5%Added
Rafferty Asset Management, LLC27,714$624.0K0.00%+3,912+16.4%Added
Goldman Sachs Group Inc22,293$502.0K0.00%−110,896−83.3%Reduced
Deutsche Bank AG18,511$417.0K0.00%+931+5.3%Added
Manufacturers Life Insurance Company, The18,052$406.0K0.00%+3,105+20.8%Added
American International Group, Inc.17,471$393.0K0.00%+1,928+12.4%Added
JPMorgan Chase & Co17,476$392.0K0.00%+3,966+29.4%Added
One Wealth Advisors, LLC17,000$383.0K0.12%+17,000New
Maven Securities LTD15,996$368.0K0.04%−12,942−44.7%Reduced
Cna Financial Corp16,030$361.0K0.10%+690+4.5%Added
ProShare Advisors LLC14,963$337.0K0.00%+2,460+19.7%Added
Susquehanna International Group, LLP14,074$317.0K0.00%+14,074New
Voya Investment Management LLC12,330$278.0K0.00%+956+8.4%Added
DekaBank Deutsche Girozentrale12,000$265.0K0.00%00.0%Unchanged
Invesco Ltd.11,785$265.0K0.00%+11,785New
Victory Capital Management Inc11,400$257.0K0.00%−500−4.2%Reduced
Bank of America Corp10,768$243.0K0.00%+1,444+15.5%Added
MetLife Investment Management10,674$240.3K0.00%00.0%Unchanged
Qube Research & Technologies Ltd10,122$228.0K0.00%+10,122New
Virtus ETF Advisers LLC9,515$214.0K0.09%−2,656−21.8%Reduced
Metropolitan Life Insurance Co8,725$196.4K0.00%+924+11.8%Added
Legal & General Group Plc3,062$69.0K0.00%−270−8.1%Reduced
O'Shaughnessy Asset Management, LLC2,267$51.0K0.00%+2,267New
Royal Bank of Canada2,195$49.0K0.00%−21−0.9%Reduced
Ameritas Investment Partners, Inc.2,169$49.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,922$43.0K0.00%+551+40.2%Added
HighMark Wealth Management LLC1,454$33.0K0.02%+1,454New
State of Wyoming1,059$24.0K0.02%+642+154.0%Added
Great West Life Assurance Co923$21.0K0.00%00.0%Unchanged
Penserra Capital Management LLC870$19.0K0.00%+10+1.2%Added
Nisa Investment Advisors, LLC200$5.00K0.00%+200New
Advisor Group Holdings, Inc.241$5.00K0.00%+241New
Wells Fargo & Company111$2.00K0.00%−3,812−97.2%Reduced
Daiwa Securities Group Inc.72$2.00K0.00%00.0%Unchanged
Holocene Advisors, LP0$00.00%−284,647−100.0%Sold out
Avidity Partners Management LP0$00.00%−70,000−100.0%Sold out
California Public Employees Retirement System0$00.00%−30,300−100.0%Sold out
STRS Ohio0$00.00%−12,900−100.0%Sold out
Laurion Capital Management LP0$00.00%−10,000−100.0%Sold out
Credit Suisse AG0$00.00%−9,613−100.0%Sold out
HRT Financial LP0$00.00%−7,538−100.0%Sold out
SG Americas Securities, LLC0$00.00%−5,536−100.0%Sold out
Bank of Montreal0$00.00%−810−100.0%Sold out
Pacer Advisors, Inc.0$00.00%−558−100.0%Sold out
UBS Group AG0$00.00%−364−100.0%Sold out