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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.

Q4 2021 vs. Q3 2021

How the institutions holding Annexon, Inc. changed between Q3 2021 and Q4 2021.

All holders in Q4 2021All holders in Q3 2021

13F holders of ANNX: Q3 2021 compared with Q4 2021
MeasureQ3 2021Of which not filed for Q4 2021Q4 2021Change
Holders82197+16
Shares38.1M38.1K38.8M+748.0K (+2.0%)
Value$708.6M$709.0K$445.7M−$262.2M (−37.0%)

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (25)

Institutions that held Annexon, Inc. at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to ANNX in Q4 2021
InstitutionSharesValue% of portfolio
Renaissance Technologies LLC100,900$1.16M0.00%
Rafferty Asset Management, LLC71,681$824.0K0.00%
Two Sigma Investments, LP55,558$638.0K0.00%
UBS Group AG54,146$622.0K0.00%
Walleye Capital LLC52,527$604.0K0.02%
Susquehanna International Group, LLP45,470$522.0K0.00%
Jump Financial, LLC40,397$464.0K0.03%
Trexquant Investment LP36,340$418.0K0.03%
Verition Fund Management LLC35,000$402.0K0.01%
Dimensional Fund Advisors LP28,669$329.0K0.00%
Coastal Bridge Advisors, LLC17,000$195.0K0.04%
Walleye Trading LLC15,365$177.0K0.00%
Credit Suisse AG14,529$166.0K0.00%
HRT Financial LP14,133$162.0K0.00%
PDT Partners, LLC12,415$143.0K0.01%
Squarepoint Ops LLC11,453$132.0K0.00%
Ensign Peak Advisors, Inc8,370$96.0K0.00%
Simplex Trading, LLC7,395$84.0K0.00%
Marshall Wace, LLP6,260$73.0K0.00%
SG3 Management, LLC2,000$23.0K0.00%
US Bancorp462$5.00K0.00%
Point72 Hong Kong Ltd188$2.00K0.00%
Kayne Anderson Rudnick Investment Management LLC2$00.00%
Northwestern Mutual Wealth Management Co15$00.00%
Ellevest, Inc.10$00.00%

Sold out (9)

Institutions that held Annexon, Inc. at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of ANNX in Q4 2021
InstitutionShares, Q3 2021Value, Q3 2021
Novo Holdings A/S114,330$2.13M
AlpInvest Partners B.V.93,141$1.73M
Mirabella Financial Services LLP14,120$263.0K
Pinz Capital Management, LP13,229$246.0K
Bessemer Group Inc12,703$236.0K
DekaBank Deutsche Girozentrale12,000$217.0K
Penserra Capital Management LLC875$16.0K
Red Tortoise LLC729$5.00K
Signaturefd, LLC37$1.00K

Not filed for Q4 2021 yet (1)

Institutions that held Annexon, Inc. at the end of Q3 2021 and haven't filed a 13F for Q4 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ANNX in Q3 2021 that haven't filed for Q4 2021
InstitutionShares, Q3 2021Value, Q3 2021
Spring Creek Investment Management, LLC38,109$709.0K