Annexon, Inc. ANNX

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4.33 USD +0.14 (+3.34%)

At closeNov 4, 2026, 4:01 PM EST

4.33 0.00 0.00%

After hours · Nov 4, 4:01 PM ET

4.16 Day range 4.52

2.54 52-week range 7.18

Held by insiders 0.40%

Held by institutions 92.44%

Float held by institutions 92.81%

Institutions 224

Top institutional holders
Holder	% held	Shares	Value	Reported
FMR, LLC	6.29%	10,222,470	63.38M	Dec 30, 2025
Redmile Group, LLC	6.18%	10,050,644	62.31M	Dec 30, 2025
BVF Inc.	5.62%	9,128,080	56.59M	Dec 30, 2025
Blackrock Inc.	5.51%	8,960,434	55.55M	Dec 30, 2025
Vanguard Group Inc	4.77%	7,753,387	48.07M	Dec 30, 2025
Adage Capital Partners GP L.L.C.	3.38%	5,500,000	34.10M	Dec 30, 2025

Top mutual fund holders
Holder	% held	Shares	Value	Reported
Fidelity Select Portfolios-Select Biotechnology Portfolio	2.91%	4,733,596	29.35M	Feb 27, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	2.65%	4,314,036	26.75M	Dec 30, 2025
iShares Trust-iShares Russell 2000 ETF	1.49%	2,422,177	15.02M	Feb 27, 2026
SPDR SERIES TRUST-State Street SPDR S&P Biotech ETF	1.45%	2,357,790	14.62M	Feb 27, 2026
Columbia Acorn Trust-Columbia Acorn Fund	1.10%	1,786,958	11.08M	Dec 30, 2025
College Retirement Equities Fd.-College Retirement Equities Fd. - Tota	0.92%	1,499,900	9.30M	Dec 30, 2025

ANNX insiders
Insider	Relation	Latest transaction	Date	Shares held
ARTIS DEAN RICHARD PH.D.	Officer	Sale	Mar 1, 2026	180,093
CARSON WILLIAM H.	Director	Purchase	Apr 9, 2026	70,405
CHOI JUNG E.	Director	Purchase	Nov 30, 2025	0
DANANBERG JAMIE	Officer	Sale	Mar 1, 2026	123,582
LEW JENNIFER	Chief Financial Officer	Sale	Mar 1, 2026	170,700
LOVE DOUGLAS ESQ.	Chief Executive Officer	Sale	Feb 12, 2025	351,554

Held by funds