Fidelity Investments
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Fidelity Investments’s Amylyx Pharmaceuticals AMLX Stock Holding History

Fidelity Investments’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 		$231M Buy
16,630,541
+112,122
+0.7% +$1.58M 0.01% 793
2025
Q4 		$200M Buy
16,518,419
+5,139,212
+45% +$69.8M 0.01% 862
2025
Q3 		$155M Buy
11,379,207
+8,331,188
+273% +$78.4M 0.01% 964
2025
Q2 		$19.5M Buy
3,048,019
+1,890,031
+163% +$9.19M ﹤0.01% 1709
2025
Q1 		$4.1M Buy
1,157,988
+426,632
+58% +$1.52M ﹤0.01% 2210
2024
Q4 		$2.76M Buy
731,356
+510,355
+231% +$2.4M ﹤0.01% 2342
2024
Q3 		$716K Buy
221,001
+164,622
+292% +$370K ﹤0.01% 2719
2024
Q2 		$107K Buy
56,379
+36,989
+191% +$71.7K ﹤0.01% 3274
2024
Q1 		$55.1K Sell
19,390
-1,416,761
-99% -$18.5M ﹤0.01% 3536
2023
Q4 		$21.1M Buy
1,436,151
+997,465
+227% +$15.3M ﹤0.01% 1603
2023
Q3 		$8.03M Sell
438,686
-10,296
-2% -$218K ﹤0.01% 1894
2023
Q2 		$9.68M Buy
448,982
+441,752
+6,110% +$11.9M ﹤0.01% 1876
2023
Q1 		$212K Sell
7,230
-574
-7% -$19.9K ﹤0.01% 2948
2022
Q4 		$288K Buy
7,804
+7,468
+2,223% +$265K ﹤0.01% 2897
2022
Q3 		$9K Sell
336
-122,107
-100% -$3.05M ﹤0.01% 4111
2022
Q2 		$2.36M Buy
122,443
+34,318
+39% +$407K ﹤0.01% 2456
2022
Q1 		$1.13M Buy
+88,125
New +$1.99M ﹤0.01% 2758

Other funds holding AMLX

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
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Fidelity Investments's AMLX Position: Q1 2026 in Review

Fidelity Investments increased its Amylyx Pharmaceuticals (AMLX) stake by 0.68% in Q1 2026, buying an estimated $1.58M and bringing the position to 16,630,541 shares worth $231M. The position accounts for 0.01% of the portfolio, ranked #793.

Fidelity Investments first reported a position in AMLX in Q1 2022 and has held it in 17 quarters since. 171 funds tracked by Wall St. Rank hold AMLX as of Q1 2026.

  • Fidelity Investments held 16,630,541 shares of Amylyx Pharmaceuticals worth $231M as of Q1 2026.
  • Fidelity Investments bought 112,122 Amylyx Pharmaceuticals shares in Q1 2026, an estimated $1.58M.
  • Amylyx Pharmaceuticals made up 0.01% of Fidelity Investments's portfolio in Q1 2026, its #793 holding.
  • Fidelity Investments first reported a position in Amylyx Pharmaceuticals in Q1 2022 and has held it in 17 quarters since.
  • 171 funds tracked by Wall St. Rank held Amylyx Pharmaceuticals as of Q1 2026.

Based on Fidelity Investments's 13F filing for Q1 2026, filed 15 May 2026.