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 		$2.58M Sell
185,800
-12,700
-6% -$179K ﹤0.01% 1847
2025
Q4 		$2.4M Buy
198,500
+131,300
+195% +$1.78M ﹤0.01% 2122
2025
Q3 		$913K Buy
67,200
+48,100
+252% +$453K ﹤0.01% 3128
2025
Q2 		$122K Buy
19,100
+100
+0.5% +$486 ﹤0.01% 4795
2025
Q1 		$67.3K Sell
19,000
-43,100
-69% -$153K ﹤0.01% 4922
2024
Q4 		$235K Buy
62,100
+34,100
+122% +$160K ﹤0.01% 3811
2024
Q3 		$90.7K Sell
28,000
-36,300
-56% -$81.6K ﹤0.01% 4250
2024
Q2 		$122K Sell
64,300
-881,300
-93% -$1.71M ﹤0.01% 3801
2024
Q1 		$2.69M Buy
945,600
+764,900
+423% +$10M 0.01% 1275
2023
Q4 		$2.66M Buy
180,700
+57,300
+46% +$878K 0.01% 1629
2023
Q3 		$2.26M Buy
123,400
+22,900
+23% +$484K 0.01% 1546
2023
Q2 		$2.17M Buy
100,500
+21,700
+28% +$586K 0.01% 1639
2023
Q1 		$2.31M Buy
78,800
+22,000
+39% +$764K 0.01% 1411
2022
Q4 		$2.1M Sell
56,800
-370,400
-87% -$13.1M ﹤0.01% 1775
2022
Q3 		$12M Buy
427,200
+272,700
+177% +$6.8M 0.02% 630
2022
Q2 		$2.98M Buy
154,500
+154,300
+77,150% +$1.83M ﹤0.01% 1702
2022
Q1 		$3K Buy
+200
New +$4.52K ﹤0.01% 7600

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.