Cinctive Capital Management’s Annexon ANNX Stock Holding History

Cinctive Capital 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	$1.49M	Sell	268,640 -90,346	-25%	-$509K	0.1%	228
2025 Q4	$1.8M	Buy	358,986 +293,520	+448%	+$1.12M	0.1%	226
2025 Q3	$200K	Sell	65,466 -70,000	-52%	-$174K	0.01%	384
2025 Q2	$325K	Hold	135,466	–	–	0.02%	337
2025 Q1	$261K	Hold	135,466	–	–	0.02%	289
2024 Q4	$695K	Sell	135,466 -51,362	-27%	-$316K	0.04%	301
2024 Q3	$1.11M	Sell	186,828 -31,262	-14%	-$185K	0.06%	282
2024 Q2	$1.07M	Buy	218,090 +173,790	+392%	+$899K	0.05%	303
2024 Q1	$318K	Buy	+44,300	New	+$230K	0.01%	357

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

Cinctive Capital Management's ANNX Position: Q1 2026 in Review

Cinctive Capital Management reduced its Annexon (ANNX) stake by 25% in Q1 2026, selling an estimated $509K and leaving 268,640 shares worth $1.49M. The position accounts for 0.1% of the portfolio, ranked #228.

Cinctive Capital Management first reported a position in ANNX in Q1 2024 and has held it in 9 quarters since. The position peaked at $1.8M in Q4 2025. 217 funds tracked by Wall St. Rank hold ANNX as of Q1 2026.

Cinctive Capital Management held 268,640 shares of Annexon worth $1.49M as of Q1 2026.
Cinctive Capital Management sold 90,346 Annexon shares in Q1 2026, an estimated $509K.
Annexon made up 0.1% of Cinctive Capital Management's portfolio in Q1 2026, its #228 holding.
Cinctive Capital Management first reported a position in Annexon in Q1 2024 and has held it in 9 quarters since.
Cinctive Capital Management's Annexon position peaked at $1.8M in Q4 2025.
217 funds tracked by Wall St. Rank held Annexon as of Q1 2026.

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