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
Q2 		$29.2K Buy
+1,624
New +$25.1K ﹤0.01% 5760
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 $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
CC
Commodore Capital New York $1.68B AUM 375.52% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
SVCM
Saturn V Capital Management Austin, Texas $697M AUM 628.57% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return

Group One Trading's AMLX Position: Q2 2026 in Review

Group One Trading opened a new position in Amylyx Pharmaceuticals (AMLX) in Q2 2026: 1,624 shares worth $29.2K. The stake represents ﹤0.01% of the portfolio and ranks #5760 among its holdings. This is a return to the name: Group One Trading previously reported a position in AMLX as recently as Q2 2025.

Group One Trading first reported a position in AMLX in Q1 2022 and has held it in 15 quarters since. The position peaked at $7.41M in Q4 2023. 206 funds tracked by Wall St. Rank hold AMLX as of Q2 2026.

  • Group One Trading held 1,624 shares of Amylyx Pharmaceuticals worth $29.2K as of Q2 2026.
  • Amylyx Pharmaceuticals was a new Group One Trading position in Q2 2026.
  • Amylyx Pharmaceuticals made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #5760 holding.
  • Group One Trading first reported a position in Amylyx Pharmaceuticals in Q1 2022 and has held it in 15 quarters since.
  • Group One Trading's Amylyx Pharmaceuticals position peaked at $7.41M in Q4 2023.
  • 206 funds tracked by Wall St. Rank held Amylyx Pharmaceuticals as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.