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
Q2 		$300M Buy
16,727,909
+97,368
+0.6% +$1.51M 0.01% 752
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 $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
FLAM
First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return

Fidelity Investments's AMLX Position: Q2 2026 in Review

Fidelity Investments increased its Amylyx Pharmaceuticals (AMLX) stake by 0.59% in Q2 2026, buying an estimated $1.51M and bringing the position to 16,727,909 shares worth $300M. The position accounts for 0.01% of the portfolio, ranked #752.

Fidelity Investments first reported a position in AMLX in Q1 2022 and has held it in 18 quarters since. 207 funds tracked by Wall St. Rank hold AMLX as of Q2 2026.

  • Fidelity Investments held 16,727,909 shares of Amylyx Pharmaceuticals worth $300M as of Q2 2026.
  • Fidelity Investments bought 97,368 Amylyx Pharmaceuticals shares in Q2 2026, an estimated $1.51M.
  • Amylyx Pharmaceuticals made up 0.01% of Fidelity Investments's portfolio in Q2 2026, its #752 holding.
  • Fidelity Investments first reported a position in Amylyx Pharmaceuticals in Q1 2022 and has held it in 18 quarters since.
  • 207 funds tracked by Wall St. Rank held Amylyx Pharmaceuticals as of Q2 2026.

Based on Fidelity Investments's 13F filing for Q2 2026, filed 13 Aug 2026.