Deerfield Management’s Annexon ANNX Stock Holding History

Deerfield Management’s Portfolio ANNX Stock Details ANNX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$3.23M	Hold	583,913	–	–	0.04%	71
2025 Q4	$2.93M	Hold	583,913	–	–	0.04%	80
2025 Q3	$1.78M	Hold	583,913	–	–	0.03%	103
2025 Q2	$1.4M	Hold	583,913	–	–	0.03%	80
2025 Q1	$1.13M	Hold	583,913	–	–	0.02%	85
2024 Q4	$3M	Hold	583,913	–	–	0.06%	75
2024 Q3	$3.46M	Hold	583,913	–	–	0.05%	74
2024 Q2	$2.86M	Hold	583,913	–	–	0.05%	76
2024 Q1	$4.19M	Hold	583,913	–	–	0.07%	74
2023 Q4	$2.65M	Hold	583,913	–	–	0.05%	61
2023 Q3	$1.38M	Hold	583,913	–	–	0.03%	75
2023 Q2	$2.06M	Hold	583,913	–	–	0.04%	85
2023 Q1	$2.25M	Hold	583,913	–	–	0.05%	87
2022 Q4	$3.02M	Hold	583,913	–	–	0.06%	80
2022 Q3	$3.61M	Hold	583,913	–	–	0.07%	100
2022 Q2	$2.2M	Hold	583,913	–	–	0.05%	102
2022 Q1	$1.59M	Hold	583,913	–	–	0.04%	98
2021 Q4	$6.71M	Hold	583,913	–	–	0.14%	99
2021 Q3	$10.9M	Hold	583,913	–	–	0.21%	89
2021 Q2	$13.1M	Hold	583,913	–	–	0.23%	101
2021 Q1	$16.3M	Sell	583,913 -583,913	-50%	-$16.1M	0.34%	81
2020 Q4	$29.2M	Sell	1,167,826 -450,000	-28%	-$11.6M	0.58%	56
2020 Q3	$48.9M	Buy	+1,617,826	New	+$38M	1.19%	24

Other funds holding ANNX

Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

BCLSI

Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return

Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return

MCO

MAK Capital One New York $679M AUM 29.02% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

Deerfield Management's ANNX Position: Q1 2026 in Review

Deerfield Management held its Annexon (ANNX) position steady in Q1 2026 at 583,913 shares worth $3.23M. The position accounts for 0.04% of the portfolio, ranked #71.

Deerfield Management first reported a position in ANNX in Q3 2020 and has held it in 23 quarters since. The position peaked at $48.9M in Q3 2020. 217 funds tracked by Wall St. Rank hold ANNX as of Q1 2026.

Deerfield Management held 583,913 shares of Annexon worth $3.23M as of Q1 2026.
Deerfield Management left its Annexon share count unchanged in Q1 2026.
Annexon made up 0.04% of Deerfield Management's portfolio in Q1 2026, its #71 holding.
Deerfield Management first reported a position in Annexon in Q3 2020 and has held it in 23 quarters since.
Deerfield Management's Annexon position peaked at $48.9M in Q3 2020.
217 funds tracked by Wall St. Rank held Annexon as of Q1 2026.

Based on Deerfield Management's 13F filing for Q1 2026, filed 15 May 2026.