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 		$110K Hold
6,100
– – ﹤0.01% 4779
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 $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.