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
2025
Q3 		– Sell
-25,856
Closed -$243K – 8334
2025
Q2 		$166K Sell
25,856
-17,378
-40% -$84.5K ﹤0.01% 4521
2025
Q1 		$153K Sell
43,234
-6,665
-13% -$23.7K ﹤0.01% 4240
2024
Q4 		$189K Sell
49,899
-79,391
-61% -$374K ﹤0.01% 3977
2024
Q3 		$419K Sell
129,290
-159,991
-55% -$360K ﹤0.01% 2998
2024
Q2 		$550K Buy
289,281
+66,559
+30% +$129K ﹤0.01% 2476
2024
Q1 		$633K Sell
222,722
-280,950
-56% -$3.67M ﹤0.01% 2514
2023
Q4 		$7.41M Buy
503,672
+466,301
+1,248% +$7.15M 0.02% 869
2023
Q3 		$684K Buy
37,371
+35,489
+1,886% +$750K ﹤0.01% 2616
2023
Q2 		$40.6K Sell
1,882
-1,720
-48% -$46.5K ﹤0.01% 5431
2023
Q1 		$106K Sell
3,602
-21,936
-86% -$762K ﹤0.01% 4271
2022
Q4 		$944K Sell
25,538
-63,447
-71% -$2.25M ﹤0.01% 2464
2022
Q3 		$2.5M Sell
88,985
-66,403
-43% -$1.66M ﹤0.01% 1714
2022
Q2 		$2.99M Buy
155,388
+154,145
+12,401% +$1.83M ﹤0.01% 1697
2022
Q1 		$16K Buy
+1,243
New +$28.1K ﹤0.01% 6897

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.