Group One Trading
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Group One Trading’s Amylyx Pharmaceuticals AMLX Stock Holding History

Group One Trading’s Portfolio AMLX Stock Details AMLX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$84.8K Sell
6,100
-200
-3% -$2.81K ﹤0.01% 4874
2025
Q4 		$76.1K Buy
6,300
+4,500
+250% +$61.1K ﹤0.01% 5226
2025
Q3 		$24.5K Buy
1,800
+700
+64% +$6.59K ﹤0.01% 6546
2025
Q2 		$7.05K Sell
1,100
-81,500
-99% -$396K ﹤0.01% 6925
2025
Q1 		$292K Buy
82,600
+400
+0.5% +$1.42K ﹤0.01% 3627
2024
Q4 		$311K Sell
82,200
-113,600
-58% -$535K ﹤0.01% 3553
2024
Q3 		$634K Sell
195,800
-519,900
-73% -$1.17M ﹤0.01% 2680
2024
Q2 		$1.36M Sell
715,700
-111,100
-13% -$215K 0.01% 1748
2024
Q1 		$2.35M Buy
826,800
+356,300
+76% +$4.66M 0.01% 1368
2023
Q4 		$6.93M Buy
470,500
+337,200
+253% +$5.17M 0.02% 917
2023
Q3 		$2.44M Sell
133,300
-23,800
-15% -$503K 0.01% 1467
2023
Q2 		$3.39M Buy
157,100
+64,800
+70% +$1.75M 0.01% 1268
2023
Q1 		$2.71M Buy
92,300
+35,000
+61% +$1.22M 0.01% 1284
2022
Q4 		$2.12M Sell
57,300
-218,300
-79% -$7.75M ﹤0.01% 1770
2022
Q3 		$7.76M Buy
275,600
+236,600
+607% +$5.9M 0.02% 881
2022
Q2 		$751K Buy
+39,000
New +$463K ﹤0.01% 3024

Other funds holding AMLX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
CC
Commodore Capital New York $1.73B AUM 298.96% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
SVCM
Saturn V Capital Management Austin, Texas $552M AUM 551.78% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
FLAM
First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return

Group One Trading's AMLX Position: Q3 2025 in Review

Group One Trading sold out of Amylyx Pharmaceuticals (AMLX) in Q3 2025, closing a stake of 25,856 shares — an estimated $243K sold.

Group One Trading first reported a position in AMLX in Q1 2022 and held it in 14 quarters. The position peaked at $7.41M in Q4 2023. 169 funds tracked by Wall St. Rank hold AMLX as of Q3 2025.

  • Group One Trading reported no remaining Amylyx Pharmaceuticals position as of Q3 2025 after selling out during the quarter.
  • Group One Trading sold 25,856 Amylyx Pharmaceuticals shares in Q3 2025, an estimated $243K.
  • Group One Trading first reported a position in Amylyx Pharmaceuticals in Q1 2022 and held it in 14 quarters.
  • Group One Trading's Amylyx Pharmaceuticals position peaked at $7.41M in Q4 2023.
  • 169 funds tracked by Wall St. Rank held Amylyx Pharmaceuticals as of Q3 2025.

Based on Group One Trading's 13F filing for Q3 2025, filed 12 Nov 2025.