Adage Capital Partners Gp, L.L.C. Annexon, Inc. Transaction History

Adage Capital Partners Gp, L.L.C.

$59.7 Billion
Q3 2025

A detailed history of Adage Capital Partners Gp, L.L.C. transactions in Annexon, Inc. stock. As of the latest transaction made, Adage Capital Partners Gp, L.L.C. holds 1,500,000 shares of ANNX stock, worth $4.29 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares

1,500,000

Holding current value

$4.29 Million

% of portfolio

0.01%

13 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$2.05 - $3.37 $3.07 Million - $5.06 Million	1,500,000 New	1,500,000 $4.47 Million
Q2 2024 Aug 14, 2024	SELL	$4.33 - $6.79 $6.41 Million - $10 Million	-1,479,830 Reduced 34.26%	2,840,145 $13.9 Million
Q1 2024 May 15, 2024	SELL	$4.03 - $7.81 $2.74 Million - $5.31 Million	-680,000 Reduced 13.6%	4,319,975 $31 Million
Q4 2023 Feb 14, 2024	BUY	$1.63 - $4.63 $4.32 Million - $12.3 Million	2,650,000 Added 112.77%	4,999,975 $22.7 Million
Q2 2023 Aug 14, 2023	SELL	$2.1 - $6.37 $2.52 Million - $7.64 Million	-1,200,000 Reduced 33.8%	2,349,975 $8.27 Million
Q4 2022 Feb 14, 2023	SELL	$4.56 - $6.61 $196,079 - $284,230	-43,000 Reduced 1.2%	3,549,975 $18.4 Million
Q3 2022 Nov 14, 2022	BUY	$3.75 - $6.63 $9.89 Million - $17.5 Million	2,637,345 Added 275.98%	3,592,975 $22.2 Million
Q2 2022 Aug 15, 2022	SELL	$2.11 - $4.06 $8,862 - $17,052	-4,200 Reduced 0.44%	955,630 $3.6 Million
Q4 2021 Feb 14, 2022	SELL	$11.49 - $22.0 $574,500 - $1.1 Million	-50,000 Reduced 4.95%	959,830 $11 Million
Q3 2021 Nov 15, 2021	BUY	$16.35 - $23.4 $817,500 - $1.17 Million	50,000 Added 5.21%	1,009,830 $18.8 Million
Q2 2021 Aug 16, 2021	SELL	$17.81 - $27.48 $890,499 - $1.37 Million	-50,000 Reduced 4.95%	959,830 $21.6 Million
Q4 2020 Feb 16, 2021	SELL	$20.81 - $30.55 $2.08 Million - $3.06 Million	-100,000 Reduced 9.01%	1,009,830 $25.3 Million
Q3 2020 Nov 16, 2020	BUY	$17.5 - $30.23 $19.4 Million - $33.6 Million	1,109,830 New	1,109,830 $33.6 Million

Others Institutions Holding ANNX

# of Institutions

153

Shares Held

101M

Call Options Held

88.6K

Put Options Held

32.5K

View Full List

About Annexon, Inc.

Ticker ANNX
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 47,617,700
Market Cap $136M
Description
Annexon, Inc., a clinical-stage biopharmaceutical company, discovers and develops therapeutics for autoimmune, neurodegenerative, and ophthalmic disorders. The company's C1q is an initiating molecule of the classical complement pathway that targets distinct disease processes, such as antibody-mediated autoimmune disease and complement-mediated n...

More about ANNX

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Adage Capital Partners Gp, L.L.C., based on Form 13F filings with the SEC.

News

Stay updated on Adage Capital Partners Gp, L.L.C. with notifications on news.

Account

Adage Capital Partners Gp, L.L.C. Annexon, Inc. Transaction History