Boothbay Fund Management’s Annexon ANNX Stock Holding History

Boothbay Fund 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	$921K	Buy	166,164 +102,095	+159%	+$575K	0.01%	993
2025 Q4	$322K	Buy	+64,069	New	+$245K	﹤0.01%	1388
2024 Q3	–	Sell	-103,493	Closed	-$507K	–	1596
2024 Q2	$507K	Sell	103,493 -271,783	-72%	-$1.41M	0.01%	990
2024 Q1	$2.69M	Sell	375,276 -332,539	-47%	-$1.73M	0.05%	408
2023 Q4	$3.21M	Buy	+707,815	New	+$1.75M	0.08%	340
2023 Q2	–	Sell	-16,274	Closed	-$62.7K	–	1786
2023 Q1	$62.7K	Buy	16,274 +831	+5%	+$4.57K	﹤0.01%	2003
2022 Q4	$79.8K	Buy	+15,443	New	+$84.9K	﹤0.01%	1840

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

Boothbay Fund Management's ANNX Position: Q1 2026 in Review

Boothbay Fund Management increased its Annexon (ANNX) stake by 159% in Q1 2026, buying an estimated $575K and bringing the position to 166,164 shares worth $921K. The position accounts for 0.01% of the portfolio, ranked #993.

Boothbay Fund Management first reported a position in ANNX in Q4 2022 and has held it in 7 quarters since. The position peaked at $3.21M in Q4 2023. 217 funds tracked by Wall St. Rank hold ANNX as of Q1 2026.

Boothbay Fund Management held 166,164 shares of Annexon worth $921K as of Q1 2026.
Boothbay Fund Management bought 102,095 Annexon shares in Q1 2026, an estimated $575K.
Annexon made up 0.01% of Boothbay Fund Management's portfolio in Q1 2026, its #993 holding.
Boothbay Fund Management first reported a position in Annexon in Q4 2022 and has held it in 7 quarters since.
Boothbay Fund Management's Annexon position peaked at $3.21M in Q4 2023.
217 funds tracked by Wall St. Rank held Annexon as of Q1 2026.

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