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 		$251K Sell
14,000
-171,800
-92% -$2.66M ﹤0.01% 4105
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 $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.