SummitTX Capital’s Annexon ANNX Stock Holding History

SummitTX Capital’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	–	Sell	-438,497	Closed	-$2.2M	–	757
2025 Q4	$2.2M	Buy	438,497 +196,506	+81%	+$751K	0.07%	295
2025 Q3	$738K	Buy	+241,991	New	+$601K	0.03%	445

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

SummitTX Capital's ANNX Position: Q1 2026 in Review

SummitTX Capital sold out of Annexon (ANNX) in Q1 2026, closing a stake of 438,497 shares — an estimated $2.2M sold.

SummitTX Capital first reported a position in ANNX in Q3 2025 and held it in 2 quarters. The position peaked at $2.2M in Q4 2025. 217 funds tracked by Wall St. Rank hold ANNX as of Q1 2026.

SummitTX Capital reported no remaining Annexon position as of Q1 2026 after selling out during the quarter.
SummitTX Capital sold 438,497 Annexon shares in Q1 2026, an estimated $2.2M.
SummitTX Capital first reported a position in Annexon in Q3 2025 and held it in 2 quarters.
SummitTX Capital's Annexon position peaked at $2.2M in Q4 2025.
217 funds tracked by Wall St. Rank held Annexon as of Q1 2026.

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