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Shay Capital’s Annexon ANNX Stock Holding History

Shay 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 		$55.4K Buy
+10,000
New +$56.3K ﹤0.01% 456
2025
Q2 		– Sell
-35,162
Closed -$67.9K – 324
2025
Q1 		$67.9K Buy
35,162
+4,162
+13% +$13.9K 0.01% 282
2024
Q4 		$159K Buy
+31,000
New +$191K 0.02% 265

Other funds holding ANNX

RG
Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return
State Street
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
BG
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
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

Shay Capital's ANNX Position: Q1 2026 in Review

Shay Capital opened a new position in Annexon (ANNX) in Q1 2026: 10,000 shares worth $55.4K. The stake represents ﹤0.01% of the portfolio and ranks #456 among its holdings. This is a return to the name: Shay Capital previously reported a position in ANNX as recently as Q1 2025.

Shay Capital first reported a position in ANNX in Q4 2024 and has held it in 3 quarters since. The position peaked at $159K in Q4 2024. 217 funds tracked by Wall St. Rank hold ANNX as of Q1 2026.

  • Shay Capital held 10,000 shares of Annexon worth $55.4K as of Q1 2026.
  • Annexon was a new Shay Capital position in Q1 2026.
  • Annexon made up ﹤0.01% of Shay Capital's portfolio in Q1 2026, its #456 holding.
  • Shay Capital first reported a position in Annexon in Q4 2024 and has held it in 3 quarters since.
  • Shay Capital's Annexon position peaked at $159K in Q4 2024.
  • 217 funds tracked by Wall St. Rank held Annexon as of Q1 2026.

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